| Toyo Tire & Rubber Co. Ltd. Patent applications |
| Patent application number | Title | Published |
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| 20190001537 | METHOD FOR MANUFACTURING SEAT PAD - A pad main body is bonded integrally with an inner pad while covering the front side of the inner pad. A back-side reinforced fabric located on the back side of the pad main body and the inner pad is integrally bonded on the back side of the inner pad and the pad main body by impregnation of foamed synthetic resin materials constituting the inner pad and the pad main body. This allows impregnation of the foamed synthetic resin materials in the back-side reinforced fabric located on the back side of the inner pad and the pad main body. This consequently allows providing a high hardness on the back side of the inner pad while ensuring hardness on the back side of the pad main body. | 01-03-2019 |
| 20180156291 | DYNAMIC DAMPER - A dynamic damper includes a tubular member, a mass body, a protruding section, an elastic coupling section, a fastening member, and a projecting section. The protruding section is positioned toward the second end of the tubular member with respect to the projecting section. The projecting section and the protruding section overlap in the axial direction of the tubular member at any position reached by relatively rotating the mass body around the axial center of the tubular member with respect to the tubular member. | 06-07-2018 |
| 20180154702 | PNEUMATIC TIRE - A shoulder land portion is sectioned into a main land portion and a sacrificed land portion by a narrow groove extending in a tire circumferential direction. A groove bottom portion of the narrow groove is formed by depressing a groove wall in the tread center side. A contour of the main land portion is formed by a first circular arc in a tread center side and a second circular arc in a tread end side. A radius of curvature R | 06-07-2018 |
| 20180154701 | PNEUMATIC TIRE - A pneumatic tire has a narrow groove which extends in a tire circumferential direction and is formed in a shoulder land portion of a tread. The shoulder land portion is sectioned into a main land portion in a tread center side and a sacrificed land portion in a tread end side by the narrow groove. A groove bottom portion of the narrow groove is formed by depressing a groove wall in the tread center side. A plurality of dimples obtained by depressing the groove wall of the narrow groove in the tread center side are provided between the groove bottom portion of the narrow groove and a tread end side edge of the main land portion. | 06-07-2018 |
| 20180154698 | PNEUMATIC TIRE - A pneumatic tire includes a tread portion having a plurality of grooves which extend along a tire peripheral direction, and a plurality of land portions which are comparted in the plurality of peripheral grooves, at least one the land portion includes at least one first land groove which extends so as to have one bent portion formed into a convex shape toward one side in the tire peripheral direction, and at least one second land groove which extends so as to have one bent portion formed into a convex shape toward the other side in the tire peripheral direction. | 06-07-2018 |
| 20180105682 | TIRE MEMBER, AND METHOD FOR PRODUCING THE SAME - A tire member, comprising a diene based rubber, a filler, a rubber powder, and a compound represented by the following formula (I): | 04-19-2018 |
| 20180105680 | TIRE MEMBER MANUFACTURING METHOD AND TIRE MANUFACTURING METHOD - A first tire member manufacturing method includes an operation in which master batch is made, and an operation in which the master batch and high-cis polybutadiene rubber are mixed. The operation in which the master batch is made includes an operation in which carbon-black-containing pre-coagulation rubber latex is coagulated to obtain a coagulum, an operation in which a compound according to Formula (I) is added to the water-containing coagulum, and an operation in which the compound according to Formula (I) is dispersed within the coagulum. | 04-19-2018 |
| 20180105676 | TIRE MEMBER MANUFACTURING METHOD AND TIRE MANUFACTURING METHOD - A first tire member manufacturing method includes an operation in which a master batch is made, and an operation in which the master batch, peptizing agent, and processing additive are mixed. The operation in which the master batch is made includes an operation in which carbon-black-containing pre-coagulation rubber latex is coagulated to obtain a coagulum, an operation in which a compound according to Formula (I), below, is added to the water-containing coagulum, and an operation in which the compound according to Formula (I) is dispersed within the coagulum. | 04-19-2018 |
| 20180105675 | TIRE MEMBER, TIRE, TIRE MEMBER MANUFACTURING METHOD, AND TIRE MANUFACTURING METHOD - A tire member in accordance with the present disclosure comprises a rubber composition comprising a compound according to Formula (I), below; a hydrazide compound; and carbon black. | 04-19-2018 |
| 20180105654 | METHOD FOR PRODUCING TIRE MEMBER - A method for producing a tire member yielded using at least a filler, a dispersing solvent and a rubber latex solution as raw materials comprises at least a step (iii) of dehydrating the rubber solidified product containing the filler to produce the tire member. The step (iii) is a step of adding, to the rubber solidified product containing the filler, a peptizer and a compound represented by the following formula (I): | 04-19-2018 |
| 20180105652 | METHOD FOR PRODUCING TIRE MEMBER - Provided is a method for producing a tire member that can give a vulcanized rubber high in fatigue resistance. The method includes: (i) mixing carbon black, a dispersing solvent and a rubber latex solution with each other to produce a rubber latex solution including the carbon black; (ii) solidifying the resultant rubber latex solution including the carbon black to produce a rubber solidified product including the carbon black; (iii) adding, to the resultant rubber solidified product including the carbon black, a compound represented by the following formula (I): | 04-19-2018 |
| 20180105651 | METHOD FOR PRODUCING WET RUBBER MASTERBATCH - A method for producing a wet rubber comprises a step (I) of dispersing the filler into the dispersing solvent, and adding, at the time of the dispersing, at least one portion of the rubber latex solution to the dispersing solvent to produce a slurry solution containing the filler to which particles of the rubber latex adhere, a step (II) of mixing the slurry solution containing the filler, to which the rubber latex particles adhere, with the rest of the rubber latex solution to produce a rubber latex solution containing the filler, to which the rubber latex particles adhere, and a step (III) of solidifying and drying the rubber latex solution containing the filler. About the filler, the ratio of the nitrogen adsorption specific surface area (N | 04-19-2018 |
| 20180105614 | TIRE MEMBER MANUFACTURING METHOD AND TIRE MANUFACTURING METHOD - A first tire member manufacturing method includes an operation in which a pre-coagulation rubber latex containing carbon black, for which a ratio of specific surface area as determined by nitrogen adsorption N | 04-19-2018 |
| 20180105612 | TIRE MANUFACTURING METHOD - A tire manufacturing method includes making a master batch, using the master batch to make a rubber composition, and making a green tire. The master batch is made wherein a carbon-black-containing pre-coagulation rubber latex is coagulated to obtain a coagulum; a compound according to Formula (I) is added to the water-containing coagulum; | 04-19-2018 |
| 20180104989 | METHOD FOR PRODUCING TIRE MEMBER - A method for producing a tire member that makes it possible to yield a vulcanized rubber high in antiaging property includes: (i) mixing carbon black, a dispersing solvent and a rubber latex solution with each other to produce a rubber latex solution including the carbon black, (ii) solidifying the rubber latex solution including the carbon black to produce a rubber solidified product including the carbon black; (iii) adding, to the rubber solidified product including the carbon black, a compound represented by the following formula (I): | 04-19-2018 |
| 20170200986 | DEFORMATION DETECTION METHOD FOR A SEALED-TYPE RECHARGEABLE BATTERY AND SEALED-TYPE RECHARGEABLE BATTERY - In a deformation detection method for a sealed-type rechargeable battery | 07-13-2017 |
| 20170174007 | PNEUMATIC TIRE - A pneumatic tire includes first and second side blocks formed respectively on a side portion such that the first and second side blocks extend toward the inside in a tire radial direction from a tread shoulder portion. The first and second side blocks are arranged alternately in a tire circumferential direction. The first side block has a recessed portion formed so as to be indented with respect to a side surface. In a first region, the second side block projects outwardly in a tire width direction more than the first side block. In a second region disposed inner side than the first region, the first side block projects outwardly in the tire width direction more than the second side block. In a third region disposed inner side than the second region, the second side block projects outwardly in the tire width direction more than the first side block. | 06-22-2017 |
| 20170173905 | TIRE VULCANIZING MOLD - Provided is a tire vulcanizing mold which includes: a molding surface | 06-22-2017 |
| 20170173904 | TIRE MOLD - In a tire mold, a side molds and a tread molds include contact portions which come into contact with each other when the molds are closed, | 06-22-2017 |
| 20170166013 | PNEUMATIC TIRE - A pneumatic tire includes a first projection foamed on a buttress portion, and projecting toward the outside in a tire width direction. The first projection includes a projection body projecting outwardly in the tire width direction from the buttress portion, a first side portion adjacent to the projection body in a tire circumferential direction, and a second side portion adjacent to the first side portion in the tire circumferential direction. The projection body has a main surface extending along the surface of the buttress portion. The first side portion has a first stepped surface positioned away from the main surface toward the inside in the tire width direction by a first distance. The second side portion has a second stepped surface positioned away from the main surface toward the inside in the tire width direction by a second distance which differs from the first distance. | 06-15-2017 |
| 20170157988 | PNEUMATIC TIRE - The present invention provides a pneumatic tire having excellent traction performance and excellent non-uniform wear resistance. In the pneumatic tire, a plurality of blocks are formed by a plurality of main grooves extending in a tire circumferential direction and a plurality of transverse grooves extending in a tire width direction. A first block and a second block disposed adjacently to each other in the tire circumferential direction are formed as one set, and a surface area of the second block is set larger than a surface area of the first block. The second block is arranged so as to be displaced a position of the second block from a position of the first block toward the inside in the tire width direction. | 06-08-2017 |
| 20170157986 | TIRE AND MANUFACTURING METHOD OF TIRE - In a tire, a ribbon rubber includes a first inclined portion which is placed at a slant with respect to a tire-circumferential direction from an outer second row of a tire-width direction to an outer first row, a first parallel portion having an end connected to an end of the first inclined portion, the first parallel portion being placed parallel to the tire-circumferential direction to configure the outer first row of the tire-width direction, and an outermost inclined portion having an end connected to an end of the first parallel portion, the outermost inclined portion being placed at a slant with respect to the tire-circumferential direction. The outermost inclined portion is placed along the first inclined portion, and is placed outside of the outer first row from the outer first row of the tire-width direction. | 06-08-2017 |
| 20170157875 | METHOD OF MANUFACTURING BEAD MEMBER - A bead member manufacturing method for manufacturing a bead member by forming an annular bead filler in an outer peripheral side of an annular bead core includes a step of arranging the bead core on a forming surface of a forming table, a step of forming a first bead filler portion by winding a first rubber in an area closer to an outer side in a width direction than a side surface which does not face toward the forming surface in the outer peripheral surface of the arranged bead core, a step of turning over and rearranging the bead core and the first bead filler portion on the forming surface, and a step of forming a second bead filler portion by winding a second rubber in the outer peripheral sides of the bead core and the first bead filler portion so as to form the bead filler. | 06-08-2017 |
| 20170157872 | APPARATUS AND METHOD OF ADHERING BELT-SHAPED TIRE MEMBER - There is provided an apparatus configured to adhere a belt-shaped tire member onto a mold drum including: a feeding device including the belt-shaped tire member arranged so as to be capable of being fed and a transferring and adhering device configured to transfer the belt-shaped tire member from the feeding device side to the mold drum side and adhere the belt-shaped tire member onto the mold drum, wherein the transferring and adhering device includes: a transferring device configured to circulate between the feeding device side and the mold drum side and transfer the belt-shaped tire member sucked on the feeding device side to the mold drum side; and a separating unit configured to separate the transferred belt-shaped tire member on the mold drum side from the transferring device and adhere the belt-shaped tire member onto the mold drum. | 06-08-2017 |
| 20170157871 | TIRE CURING MOLD AND MANUFACTURING METHOD FOR TIRE - A tire curing mold has a vent plug installed to an exhaust hole open to a molding surface. The vent plug has a tubular housing having an exhaust passage, a stem inserted to the housing, and an urging member which urges the steal toward the cavity so as to open the exhaust passage. The stem has a head portion which closes the exhaust passage by contacting with an inner surface of an opening portion in the housing. A top surface of the opening portion in the housing and a top surface of the head portion are formed by a flat surface. The top surface of the opening portion in the housing and the top surface of the head portion in a state in which the exhaust passage is closed are both arranged closer to an opposite side to the cavity than the molding surface. | 06-08-2017 |
| 20170152353 | PROCESS FOR PRODUCING WET RUBBER MASTERBATCH, WET RUBBER MASTERBATCH, AND RUBBER COMPOSITION CONTAINING WET RUBBER MASTERBATCH - A method for producing a wet rubber masterbatch uses a single-screw extruder. The single-screw extruder includes a screw, and an external cylinder in which a slit extended along the length direction of the external cylinder (the screw-shaft direction) is formed in an internal wall surface of the external cylinder, and when the width of the slit is represented by A and the clearance between a crest of the screw and the internal wall surface of the external cylinder is represented by B, the following expression (1) is satisfied: | 06-01-2017 |
| 20170137582 | RUBBER COMPOSITION AND PNEUMATIC TIRE - A rubber composition that can achieve both low heat generation performance and conductivity is provided. The rubber composition is obtained by dry mixing a wet masterbatch containing diene rubber and carbon black A having a nitrogen adsorption specific surface area (N | 05-18-2017 |
| 20170136830 | PNEUMATIC TIRE - A pneumatic tire according to an embodiment includes blocks formed by a main groove and a lateral groove on a tread portion. At least one block includes at least two sipes which divide the block into three or more sections in the tire circumferential direction. A pair of reinforcing projections which projects in the main groove is formed on both end portions of the block in the tire circumferential direction ranging from a side wall of the block to a groove bottom of the main groove. A connecting rib which connects distal end portions of the pair of reinforcing projections to each other is formed on the groove bottom of the main groove. | 05-18-2017 |
| 20170136829 | PNEUMATIC TIRE - In a pneumatic tire, in which a sub-groove | 05-18-2017 |
| 20170136828 | PNEUMATIC TIRE - A pneumatic tire has a plurality of polygonal shallow grooves. The polygonal shallow grooves are formed on a surface of a land portion of a tread surface, for constructing closed loops. The plurality of polygonal shallow grooves formed on one of the land portions have internal regions which are independent of each other. | 05-18-2017 |
| 20170136827 | PNEUMATIC TIRE - A plurality of land portions is formed on a tread portion of a pneumatic tire by main grooves extending in a tire circumferential direction and lateral grooves extending in a tire width direction. At least one stepped portion which is lowered on a downstream side in a water drain direction is formed on at least a portion of a groove wall which forms the land portion. | 05-18-2017 |
| 20170136825 | PNEUMATIC TIRE - An inner end ( | 05-18-2017 |
| 20170136823 | TIRE - In a tire, a ribbon rubber includes a first inclining portion which inclines with respect to a tire-circumferential direction from an outside second row of a tire-width direction toward an outside first row in a winding direction; and a first parallel portion placed parallel to the tire-circumferential direction to configure the outside first row of the tire-width direction, a winding-start end of the first parallel portion being connected to a winding-finishing end of the first inclining portion, the winding-finishing end of the first parallel portion is placed closer to the winding direction than the winding-finishing end of the first inclining portion, or is placed at the same position as the winding-finishing end. | 05-18-2017 |
| 20170136822 | PNEUMATIC TIRE - A pneumatic tire includes a cap ply disposed between a belt layer and a tread portion so as to wholly cover the belt layer in a tire width direction, and two edge plies disposed between the belt layer and the tread portion so as to respectively cover edge portions of the belt layer in a tire width direction. A first region and a second region are formed by dividing the tread portion in two by a tire equator plane. The first region has a first void ratio, and the second region has a second void ratio smaller than the first void ratio. | 05-18-2017 |
| 20170047621 | MONITORING SENSOR FOR SEALED SECONDARY BATTERY, SEALED SECONDARY BATTERY, AND MONITORING METHOD FOR SEALED SECONDARY BATTERY | 02-16-2017 |
| 20170045378 | SENSOR FOR DETECTING DEFORMATION OF SEALED SECONDARY BATTERY, SEALED SECONDARY BATTERY, AND METHOD FOR DETECTING DEFORMATION OF SEALED SECONDARY BATTERY | 02-16-2017 |
| 20170043679 | SYSTEM FOR DETECTING DEFORMATION OF CUSHION PAD AND PRODUCTION THEREOF | 02-16-2017 |
| 20170022352 | RUBBER COMPOSITION AND PNEUMATIC TIRE - A rubber composition comprises a diene rubber, a hydrocarbon type wax, cashew oil and a processing aid. The rubber composition can suppress whitening of a rubber surface and additionally can give black and luster to the rubber surface. The processing aid comprises at least one selected from the group consisting of a fatty acid metal salt, a fatty acid amide, a fatty acid ester and a fatty acid ester amide, wherein the proportion of constituent fatty acids having from 18 to 20 carbon atoms is from 20 to 60 mass %. A pneumatic tire has a rubber part (for example, a tread rubber, a side wall rubber or a rim strip) comprising the rubber composition. | 01-26-2017 |
| 20160376396 | LIQUID CRYSTALLINE POLYURETHANE ELASTOMER AND METHOD FOR PRODUCING SAME - A liquid crystalline polyurethane elastomer is produced by reacting an isocyanate component, a high-molecular-weight polyol component and a mesogenic diol represented by formula (1), and having a crosslinking site that is introduced by a tri-functional or higher isocyanate in the isocyanate component and/or a high-molecular-weight polyol having a number average molecular weight of 400 or more and less than 7000 and having three or more hydroxy groups, in the high-molecular-weight polyol component, wherein the melting point of a mesogenic unit does not exist in a temperature range lying between the glass transition temperature (Tg) and the (liquid crystal phase)-to-(isotropic phase) transition temperature (Ti) of the polyurethane elastomer, and a liquid crystal is developed at a temperature between the Tg and the Ti. (In the formula, X represents an alkylene group having 3 to 20 carbon atoms; and Y represents a single bond, —N═N—, —CO—, —CO—O— or —CH═N—.) | 12-29-2016 |
| 20160332402 | METHOD OF MANUFACTURING PNEUMATIC TIRE, SHAPING DEVICE AND PNEUMATIC TIRE - A method of manufacturing a pneumatic tire including forming a green case by cylindrically winding a tire component member which includes at least one layer of a carcass ply. A green tire is shaped by expanding the green case into a toroidal shape with the supply of a fluid into the green case so that the green case adheres to a tread ring arranged radially outside the green case. The green tire is subjected to vulcanization molding within a mold die. During the shaping of the green tire, the fluid is supplied in accordance with a pressure profile which changes in a stepwise manner. The pressure profile is set such that a former stage expansion rate in a former stage is set to slower than a final stage expansion rate in a final stage. | 11-17-2016 |
| 20160332401 | METHOD OF MANUFACTURING PNEUMATIC TIRE, SHAPING DEVICE AND PNEUMATIC TIRE - A method of manufacturing a pneumatic tire includes forming a green case by cylindrically winding a tire component member which includes at least one layer of a carcass ply. A green tire is shaped by expanding the green case into a toroidal shape with the supply of a fluid into the green case so that the green case adheres to a tread ring arranged radially outside the green case. The green tire is subjected to vulcanization molding within a mold die. During the shaping of the green tire, the fluid is supplied in accordance with a pressure profile which changes in a stepwise manner. The pressure profile is set such that a former stage pressure which is a pressure in a stage preceding a final stage is set lower than a final stage pressure which is a pressure in the final stage. | 11-17-2016 |
| 20160332400 | METHOD OF MANUFACTURING PNEUMATIC TIRE, SHAPING DEVICE AND PNEUMATIC TIRE - A method of manufacturing a pneumatic tire including forming a green case by cylindrically winding a tire component member which includes at least one layer of a carcass ply. The green tire is shaped by expanding the green case into a toroidal shape with the supply of a fluid into the green case so that the green case adheres to a tread ring arranged radially outside the green case. The green tire is subjected to vulcanization molding within a mold die. During the shaping of the green tire, the fluid is supplied in accordance with a pressure profile which changes in a stepwise manner. The pressure profile is set such that a former stage pressure which allows the green case to expand to 35% to 40% of a full expansion amount is set lower than a final stage pressure in a final stage. | 11-17-2016 |
| 20160186831 | LIQUID-SEALED ANTIVIBRATION DEVICE - [Problem] To provide a liquid-sealed antivibration device capable of improving the position accuracy of an outer fitting member and a diaphragm. | 06-30-2016 |
| 20160186830 | LIQUID-SEALED ANTIVIBRATION DEVICE - [Problem] To provide a liquid-sealed antivibration device capable of improving the position accuracy of an outer fitting member and a diaphragm. | 06-30-2016 |
| 20160185162 | PNEUMATIC TIRE AND MOLDING DIE THEREOF - A sipe is provided to a land portion provided to a tread of a pneumatic tire. The sipe is formed of a wide portion having a groove width W | 06-30-2016 |
| 20160185161 | PNEUMATIC TIRE AND MOLDING DIE THEREOF - A sipe is provided to a land portion provided to a tread of a pneumatic tire. The sipe includes a slit having a width of 0.6 mm or less. The slit has an arithmetic surface roughness Ra of 1.6 μm or less on a pair of opposing wall surfaces. A molding die of a pneumatic tire includes a sipe plate to shape a sipe. The sipe plate includes a thin plate having a thickness of 0.6 mm or less. The thin plate has an arithmetic mean roughness Ra of 1.8 μm or less on a pair of side surfaces. Owing to this configuration, deformation of a land portion when making contact with the ground is suppressed regardless of a sipe provided to the land portion. | 06-30-2016 |
| 20160159161 | PNEUMATIC TIRE - Provided is a pneumatic tire where grooves and blocks defined by the grooves are formed on a tread portion, wherein the block includes: a ground contact surface; a hole portion formed in a center portion of the ground contact surface; and sipes extending radially from the hole portion which is the center of radial extension of the sipes, and the sipes are formed such that inner ends of the sipes in a radial direction terminate at a position away from the hole portion, and outer ends of the sipes in the radial direction terminate within the block. | 06-09-2016 |
| 20160159160 | PNEUMATIC TIRE - A pneumatic tire includes: a tread portion; grooves formed on the tread portion; and land portions defined by the grooves, wherein each of the land portions includes: a pair of side walls which opposedly face each other with the groove sandwiched therebetween; a first projecting ridge formed on one of the pair of side walls; and a second projecting ridge formed on the other side wall, the first projecting ridge and the second projecting ridge extend along the groove, at least one of the first projecting ridge and the second projecting ridge is inclined such that a position of the projecting ridge in a groove depth direction changes along the groove, and the first projecting ridge intersects with the second projecting ridge as viewed in a width direction of the groove. | 06-09-2016 |
| 20160145423 | RUBBER-SILICA COMPOSITE AND METHOD FOR PRODUCING SAME, AND RUBBER COMPOSITION AND PNEUMATIC TIRE - Acido-basic properties of a system containing a polymer fragment obtained by oxidative cleavage of a carbon-carbon double bond of a diene rubber polymer and a functional molecule having in a structure thereof an alkoxysilyl group and at least one functional group selected from the group consisting of an aldehyde group and a carbonyl group are changed such that the system becomes basic when acidic, and becomes acidic when basic, thereby combining the polymer fragment with the functional molecule to form a modified diene rubber polymer having an alkoxysilyl group incorporated therein. A silane monomer comprising tetraalkoxysilane and/or alkyl trialkoxysilane is added to the system containing the modified diene rubber polymer, followed by condensation polymerization, thereby forming silica. | 05-26-2016 |
| 20160143442 | CUSHION PAD | 05-26-2016 |
| 20160137010 | PNEUMATIC TIRE - A pneumatic tire includes a plate-like member which is attached to a treadportion inner surface by at least two attaching portions arranged with a space in a tire circumferential direction, and has a space with respect to the tread portion inner surface between the two adjacent attaching portions, wherein a through hole penetrating toward the space is formed in the plate-like member, and wherein a support member capable of supporting the plate-like member is arranged in the space. | 05-19-2016 |
| 20160137003 | PNEUMATIC TIRE - On a tread portion, a plurality of blocks are formed by a plurality of main grooves annularly continuously extending in a tire circumferential direction, and a plurality of transverse grooves extending in a tire width direction, intersecting these main grooves. Each block has projections on side surfaces, which form each transverse groove, at corner regions thereof. | 05-19-2016 |
| 20160137002 | PNEUMATIC TIRE - On a tread portion, a plurality of blocks defined by a plurality of main grooves and a plurality of transverse grooves. The main grooves annularly and continuously extend in a tire circumferential direction. The transverse grooves extend in a tire width direction so as to intersect the main grooves. The plurality of blocks include a center block located at a center in the tire width direction and having, on a surface thereof, a first groove with closed both ends and a second groove joining the first groove. | 05-19-2016 |
| 20160129733 | PNEUMATIC TIRE - Provided is a pneumatic tire being excellent in property of protecting the tire from a mounted tire chain or being excellent in property of discharging mud from grooves formed on the tire. | 05-12-2016 |
| 20160121657 | PNEUMATIC TIRE - A pneumatic tire includes: a tread portion; three or more main grooves provided on the tread portion at intervals in a tire width direction so as to extend in a tire circumferential direction; and a plurality of land portions partitioned between the main grooves adjacent to each other in the tire width direction, wherein the plurality of land portions include: ground contact areas having an arc shape in cross section in the tire width direction; and depressed portions opening to the ground contact areas, and the land portion having a larger ratio of opening surface area a of the depressed portions opening in the area between the main grooves adjacent to each other in the tire width direction with respect to surface area A of the area (a/A) has an arc-shaped ground contact area with a cross section in the tire width direction having a smaller radius of curvature. | 05-05-2016 |
| 20160115305 | METHOD FOR PRODUCING RUBBER COMPOSITION - A method for producing a rubber composition that can improve wet grip performance is provided. The rubber composition includes 100 parts by mass of a rubber component, from 20 to 150 parts by mass of silica, and from 1 to 10 parts by mass of a polymer gel as crosslinked diene polymer particles, wherein from 30 to 90 parts by mass of at least one modified diene rubber selected from the group consisting of a styrene-butadiene rubber, a butadiene rubber and a natural rubber, each haying introduced therein a functional group having an interaction with the silica, and from 70 to 10 parts by mass of an unmodified dine rubber are used as 100 parts by mass of the rubber component, and a polymer gel having a functional group which has an interaction with a functional group of the modified diene rubber is used as the polymer gel. | 04-28-2016 |
| 20160115303 | RUBBER COMPOSITION FOR VIBRATION-PROOF RUBBER - A rubber composition for vibration-proof rubber, comprising 1 to 5 parts by weight of a paraffin wax for 100 parts by weight of rubber components;
| 04-28-2016 |
| 20160114633 | PNEUMATIC TIRE AND METHOD FOR MANUFACTURING THE SAME - Separation in a chafer edge is suppressed, thereby improving durability of a bead part. In a pneumatic tire including a bead core embedded in a bead part, a carcass ply folded around the bead core and locked, and a chafer having a reinforcing cord embedded therein arranged so as to cover the carcass ply around the bead core, a rubber sheet is prepared using a wet masterbatch containing natural rubber and/or polyisoprene rubber, and carbon black, and the rubber sheet is interposed between a folded part of the carcass ply and an edge of the chafer overlapping the folded part. | 04-28-2016 |
| 20160107403 | METHOD OF MANUFACTURING CORD INCLUDED RUBBER SHEET - A method for manufacturing a cord included rubber sheet has an arrangement step and a cutting step. In the arrangement step, a band-like material of a cord included rubber sheet is supplied to a processing table, and a portion to be cut is arranged onto a groove. In the cutting step, the band-like material is cut by pressing the pressure cutting die, and the cord included rubber sheet having a predetermined length is obtained. A leading end of the pressure cutting die enters the groove and a die surface of the pressure cutting die contacts with an opening edge of the groove, in the cutting step, and a cut surface of the cord is coated with the rubber of the band-like material in a process that the die surface comes into contact with the opening edge after the leading end contacts with the band-like material. | 04-21-2016 |
| 20160102194 | RUBBER COMPOSITION AND PNEUMATIC TIRE - A rubber composition comprising a diene rubber, a tackifier comprising a resin having a weight average molecular weight of from 1,500 to 2,500, and a wax is disclosed. The wax contains from 20.0 to 40.0 mass % of a linear saturated hydrocarbon having from 25 to 30 carbon atoms, from 8.0 to 18.0 mass % of a linear saturated hydrocarbon having from 35 to 40 carbon atoms, and from 1.0 to 6.0 mass % of a linear saturated hydrocarbon having 45 or more carbon atoms. The amount of the tackifier added is larger than the amount of the wax added. | 04-14-2016 |
| 20160101655 | PNEUMATIC TIRE - A pneumatic tire is provided with a tread having a shoulder portion isolated by a main groove, and a slit formed on the shoulder portion, wherein a first tapered portion is formed on a side wall of the slit which comes into contact with the ground first when the tire is rotating, and a second tapered portion is formed on the side wall of the slit which comes into contact with the ground later, an end of the first tapered portion on the main groove side is located at a position closer to the main groove than the end of the second tapered portion on the main groove side, and the second tapered portion is formed so that a width on an opening end of the slit opening at a contact surface is wider than the width of the portion where the second tapered portion is not formed. | 04-14-2016 |
| 20160083555 | ARTIFICIAL SOIL PARTICLE, AND METHOD FOR PRODUCING ARTIFICIAL SOIL PARTICLE - Attention is paid to a relationship between the structure and characteristics of an artificial soil particle, which has so far been little studied, and a novel artificial soil particle having great potential to achieve various advantages, and a technique of producing such an artificial soil particle, are provided. An artificial soil particle ( | 03-24-2016 |
| 20160082786 | PNEUMATIC TIRE - A pneumatic tire includes a carcass ply wound up from an inner side to an outer side around bead cores, chafers wound up from an outer side to an inner side around the bead cores, and an inner liner rubber which is arranged in an inner side of the carcass ply, wherein a squeegee rubber having a higher modulus than the inner liner rubber is provided closer to the inner liner rubber side than the chafers between the carcass ply and the inner liner rubber, and the squeegee rubber is arranged so as to cover inside wound-up ends of the chafers, and is provided with a thick portion which is thicker than the inner liner rubber, and thin portions which are arranged respectively in an inner side and an outer side in the tire diametrical direction of the thick portion and are thinner than the inner liner rubber. | 03-24-2016 |
| 20160082400 | SEPARATION MEMBRANE FOR TREATING ACID GAS-CONTAINING GAS, AND METHOD FOR MANUFACTURING SEPARATION MEMBRANE FOR TREATING ACID GAS-CONTAINING GAS - An acid gas-containing gas treatment separation membrane is provided which can separate acid gas, such as carbon dioxide, etc., or methane gas from biogas containing acid gas and methane gas, to obtain a gas having a high methane concentration. The acid gas-containing gas treatment separation membrane includes a polysiloxane network structure having an introduced hydrocarbon group, in which unreacted residual groups present on a surface of the polysiloxane network structure have been eliminated or reduced by reaction with at least one modifying silane compound selected from the group consisting of hydrocarbon group-containing monoalkoxysilanes, hydrocarbon group-containing dialkoxysilanes, hydrocarbon group-containing monochlorosilanes, hydrocarbon group-containing dichlorosilanes, and hydrocarbon group-containing trichlorosilanes. | 03-24-2016 |
| 20160059642 | PNEUMATIC TIRE - In a pneumatic tire, a rubber hardness of a conductive portion is greater than a rubber hardness of a non-conductive portion, the conductive portion is formed from an inner end portion toward an outer end portion in a tire diametrical direction of the land portion by continuing a plurality of inclined portions which are inclined in relation to the tire diametrical direction, and at least one conductive portion is arranged in an outer region which is an outer side at the time of mount to a vehicle, and the inclined portion arranged at an outermost side in the tire diametrical direction is arranged so as to be inclined from an inner side toward an outer side in a tire width direction as the inclined portion goes from an inner side to an outer side in the tire diametrical direction, in the conductive portion arranged in the outer region. | 03-03-2016 |
| 20160059637 | PNEUMATIC TIRE - In a pneumatic tire, a tread rubber includes a recessed portion extending along a tire-circumferential direction, the recessed portion being placed at a position of a tire-outer surface superposed on an end of the belt portion or at a position of a tire-outer surface on an outer side in a tire-width direction than the former position of the tire-outer surface, an outer wound-up portion is placed closer to a belt portion than an inner wound-up portion, the outer wound-up portion is separated from the belt portion to prevent the outer wound-up portion from being superposed on the belt portion, and the outer wound-up portion is superposed on the recessed portion. | 03-03-2016 |
| 20160059502 | APPARATUS AND METHOD FOR MANUFACTURING RUBBER MEMBER - An apparatus for manufacturing a rubber member includes an extruder; a mouthpiece; and a support surface which faces the mouthpiece in an opposed manner. The apparatus further includes: a rubber pool portion formed between the mouthpiece and the support surface; and a closing surface having an inclined surface shape and capable of closing a moving-direction front side of the rubber pool portion. A rubber material is ejected from an ejection port in a state where the rubber pool portion is closed by the closing surface, the support surface and the mouthpiece are moved relative to each other after the rubber pool portion is filled with the rubber material, and a lamination starting end of the rubber material is pressed to the closing surface thus molding the lamination starting end into an inclined surface and, thereafter, the closing surface is moved in a direction away from the support surface. | 03-03-2016 |
| 20160052435 | CUSHION PAD | 02-25-2016 |
| 20160052384 | INSULATOR | 02-25-2016 |
| 20160052347 | PNEUMATIC TIRE AND METHOD OF MANUFACTURING THE SAME - Provided is a pneumatic tire having the structure where a carcass ply is wound around bead cores from the outside in the tire width direction to the inside in the tire width direction, and both end portions of an inner liner extend between beads and the carcass ply. A lightweight and highly rigid tire can be acquired. The tire can also enhance steering stability performance thereof. The pneumatic tire includes: a pair of left and right beads including bead cores | 02-25-2016 |
| 20160039322 | CUSHION PAD | 02-11-2016 |
| 20160039249 | PNEUMATIC TIRE - Provided is a pneumatic tire | 02-11-2016 |
| 20160039154 | INSERT MEMBER, SHEET PAD, AND METHOD FOR PRODUCING SHEET PAD - [Object] Provided is an insert member which can simplify the work for imparting magnetism. | 02-11-2016 |
| 20160031269 | PNEUMATIC TIRE - A pneumatic tire includes a plate-like member which is attached to a tread portion inner surface by at least two attaching portions arranged with a space in a tire circumferential direction, and has a space with respect to the tread portion inner surface between the two adjacent attaching portions, wherein a through hole penetrating toward the space is formed in the plate-like member. | 02-04-2016 |
| 20160031268 | RUN FLAT TIRE - A run flat tire having improved run flat durability is provided. The run flat tire has a side wall part reinforced by a side reinforcing rubber part, and the side reinforcing rubber part is formed by a rubber composition which comprises 100 parts by mass of a diene rubber containing natural rubber and polybutadiene rubber, and from 0.1 to 4.0 parts by mass of a mercaptobenzimidazole compound. | 02-04-2016 |
| 20160023584 | CUSHION PAD | 01-28-2016 |
| 20160023516 | PNEUMATIC TIRE - A pneumatic tire includes a belt layer, a belt reinforcing layer in which a plurality of reinforcing cords are arranged, four main grooves, and land portions comparted by the four main grooves, wherein in the case that the belt reinforcing layer is partitioned into five areas in a tire width direction by the four main grooves, an arrangement density of the reinforcing cord in the fifth area is higher than that of the reinforcing cord in the first area, and an arrangement density of the reinforcing cord in the second area is higher than that of the reinforcing cord in the fourth area, and wherein protruding portions having protruding heights in proportion to the arrangement densities are provided on ground surfaces of the land portions which are positioned outside in the tire diametrical direction in the areas having the higher density than that of the third area. | 01-28-2016 |
| 20160016441 | TIRE MOLD, MANUFACTURING METHOD OF PNEUMATIC TIRE, AND PNEUMATIC TIRE - A tire mold is provided with a groove-like saw cut in an area of a tire molding surface which comes into contact with a side surface of a tire. The saw cut comprises a pair of circumferential saw cuts arranged to be spaced in a tire diametrical direction, a grid-like saw cut which is expanded between the pair of circumferential saw cuts, and a plurality of frame-like saw cuts which are dotted between the pair of circumferential saw cuts. The frame-like saw cuts fringe a closed area which is wider than a smooth area defined by the grid-like saw cut. The grid-like saw cut surrounds the frame-like saw cuts to prevent the frame-like saw cuts from coming into contact with each other. The frame-like saw cuts are coupled to each other via the grid-like saw cut. | 01-21-2016 |
| 20150367687 | PNEUMATIC TIRE - A tire has a projecting portion raised from an outer surface of a side portion. A top surface of the projecting portion forms a mark. A colored portion is formed in a region defined by a profile line offset with respect to an outer edge formed by the top surface and an outer side surface. Formed on the top surface between the colored portion and the outer edge is a non-colored portion which exposes a base color of the tire. | 12-24-2015 |
| 20150361253 | RUBBER COMPOSITION AND METHOD FOR PRODUCING SAME - A rubber composition obtained by dry-mixing a natural rubber wet master batch yielded by mixing at least a natural rubber latex and a carbon-black-containing slurry solution with each other in a liquid phase and drying the resultant mixture, a dry rubber made mainly of a polybutadiene rubber, and an oil, wherein when the total amount of rubber components in the rubber composition is regarded as 100 parts by mass, the natural rubber is contained in an amount of 50 parts or more by mass, and the polybutadiene rubber is contained in an amount of 20 to 50 parts by mass, and the oil has a pour point of −10 C or lower, and an aniline point of 90 C or higher, and the blend amount of the oil is from 15 to 40 parts by mass for 100 parts by mass of the rubber components. | 12-17-2015 |
| 20150360519 | PNEUMATIC TIRE - The present invention provides a pneumatic tire including: a groove formed in a tread, the groove having a groove bottom and groove side surfaces arising from the groove bottom; and a projection projecting from the groove bottom, wherein the projection includes a low-step portion located at a low position with reference to the groove bottom and a high-step portion located at a high position with reference to the groove bottom, the low-step portion has a first-side inclined surface inclined in a depth direction of the groove along a first groove side surface of the groove and a second-side inclined surface inclined in the depth direction of the groove along a second groove side surface of the groove, and the first-side inclined surface and the second-side inclined surface are inclined in different directions from each other. | 12-17-2015 |
| 20150360342 | POLISHING PAD - A polishing pad includes a polishing layer, and the polishing layer is formed of a reaction cured body of a polyurethane-forming raw material composition that contains: an isocyanate-terminated prepolymer (A) which is obtained by reacting a prepolymer-forming raw material composition (a) that contains an isocyanate component and a polyester polyol; an isocyanate-terminated prepolymer (B) which is obtained by reacting a prepolymer-forming raw material composition (b) that contains an isocyanate component and a polyether polyol; and a chain extender. The polyether polyol contains a polyether polyol (C) that has a number average molecular weight of 1000 or less and a polyether polyol (D) that has a number average molecular weight of 1900 or more. The reaction cured body has a triple phase separation structure. | 12-17-2015 |
| 20150360341 | POLISHING PAD - A polishing pad has a polishing layer that is formed of a polyurethane foam having fine cells. The polyurethane foam is a reaction cured body of a chain extender and an isocyanate-terminated prepolymer which is obtained by reacting a prepolymer starting material composition that contains an isocyanate component, a high molecular weight polyol and an aliphatic diol. The high molecular weight polyol contains a polyalkylene glycol A that has a peak of the molecular weight distribution within the range of 200 to 300 and a polyalkylene glycol B that has a peak of the molecular weight distribution within the range of 800 to 1200. | 12-17-2015 |
| 20150353690 | MODIFIED DIENE POLYMER, METHOD FOR PRODUCING SAME, RUBBER COMPOSITION, AND PNEUMATIC TIRE - A modified diene polymer is obtained by decomposing a diene polymer having a carbon-carbon double bond in a main chain by oxidative cleavage of the carbon-carbon double bond to reduce a molecular weight, changing acido-basic properties of a system containing polymer fragments obtained such that the system is changed into a basic system when the system is acidic and the system is changed into an acidic system when the system is basic to combine the polymer fragments, thereby obtaining an intermediate polymer having an altered structure, and epoxidizing a carbon-carbon double bond moiety of a main chain of the intermediate polymer. | 12-10-2015 |
| 20150353671 | POLYURETHANE FOAM PANEL - A polyurethane foam panel which is obtained by mixing a polyol composition containing a polyol compound and a water as a foaming agent with a polyisocyanate component and causing these components to react with each other, and which has a lengthwise direction, a widthwise direction, and a thickness direction, wherein the panel has a 10% compressive strength Sb of 3 N/cm | 12-10-2015 |
| 20150352910 | RUN FLAT TIRE - A run flat tire having a side reinforcing rubber part is disclosed. The side reinforcing rubber part is formed by a rubber composition having a ratio (M50H/M50N) of tensile stress (M50H) in 50% elongation at a measurement temperature of 100° C. to tensile stress (M50N) in 50% elongation at a measurement temperature of 23° C. of from 1.0 to 1.3. A ratio (M50H/M50F) of tensile stress (M50H) in 50% elongation at a measurement temperature of 100° C. of the rubber composition forming the side reinforcing rubber part to tensile stress (M50F) in 50% elongation at a measurement temperature of 100° C. of a rubber composition forming a bead filler is from 0.5 to 1.3. | 12-10-2015 |
| 20150345135 | CONSTRUCTION STRUCTURE AND METHOD FOR PRODUCING SAME - A construction structure | 12-03-2015 |
| 20150343854 | RUN FLAT TIRE AND METHOD FOR PRODUCING SAME - A run flat tire having a side reinforcing rubber part is disclosed. The side reinforcing rubber part is formed by a rubber composition having a ratio (M50H/M50N) of tensile stress (M50H) in 50% elongation at a measurement temperature of 100° C. to tensile stress (M50N) in 50% elongation at a measurement temperature of 23° C. of from 1.0 to 1.3. Ratio (t | 12-03-2015 |
| 20150343604 | POLISHING PAD PRODUCTION METHOD - The present invention includes a polishing pad production method comprising a step of forming one or more grooves in a surface of a polishing layer comprising a flexible polyurethane foam, wherein the flexible polyurethane foam has an Asker D hardness of 30 or less at 25° C., and the step comprises a step 1 of cooling the polishing layer to adjust the Asker D hardness of the flexible polyurethane foam to 35 or more, and a step 2 of forming one or more grooves in the surface of the polishing layer comprising the flexible polyurethane foam, the Asker D hardness of which has been adjusted by the cooling. According to the polishing pad production method of the present invention, it is possible to provide a polishing pad production method capable of performing grooving in a polishing layer with a high precision when the polishing layer comprises a flexible polyurethane foam. | 12-03-2015 |
| 20150338291 | A SENSOR AND A METHOD OF MAKING THE SAME - The present invention provides a sensor having an improved sensitivity and precision, which is lighter and more flexible than conventional sensors, and a method of making the sensor. The present invention relates to a sensor comprising a resin foam containing a magnetic filler, and a magnetic sensor that detects a magnetic change caused by a deformation of the resin foam, wherein the resin foam is a polyurethane resin foam that comprises a polyisocyanate component, an active hydrogen component, a catalyst and a foam stabilizer, and wherein the resin foam has a hardness change (H | 11-26-2015 |
| 20150337123 | RUBBER COMPOSITION FOR ANTI-VIBRATION RUBBER - A rubber composition for anti-vibration rubber, comprising rubber components, the rubber composition comprising 4 to 40 parts by weight of the following component out of the rubber components when the whole amount of the rubber components is regarded as 100 parts by weight: a lithium catalyst-type polyisoprene rubber. | 11-26-2015 |
| 20150337071 | POLYURETHANE FOAM PANEL - A polyurethane foam panel which is obtained by mixing a polyol composition comprising a polyol compound and a water as a foaming agent with a polyisocyanate component, and causing these components to react with each other, and which has a lengthwise direction, a widthwise direction, and a thickness direction, wherein the foam density is 15 kg/m | 11-26-2015 |
| 20150328808 | METHOD FOR MANUFACTURING SEAT PAD - To provide a method for manufacturing a seat pad that can maintain the line speed set in accordance with the speed of foam molding without difficulty. In the state where a molding-surface forming member | 11-19-2015 |
| 20150325779 | A POLYMERIC ACTUATOR - The present invention provides a polymeric actuator which has excellent flexibility and elongation rate; low temperature dependability of physical properties such as an elastic modulus and high dielectric breakdown strength, and which can drive in a low electric field. The present invention relates to a polymeric actuator, wherein the polymeric dielectric has a storage elastic modulus at 20° C. [E′(20° C.)] determined by a dynamic viscoelastic measurement at a frequency of 1 Hz of not more than 0.5 MPa,
| 11-12-2015 |
| 20150321523 | PNEUMATIC TIRE - A pneumatic tire includes a plurality of linear projections which are formed linearly from an edge portion over the edge portion, in at least a partial area on an outer surface of a side wall portion and a plurality of protruding portions which are formed linearly in the area. The protruding portion is arranged so that at least a part of the protruding portion is positioned between the linear projections, and the protruding portion intersects with the linear projection and the other protruding portion at one position or less. | 11-12-2015 |
| 20150321150 | SEPARATION MEMBRANE FOR TREATING GAS CONTAINING ACIDIC GAS AND METHOD FOR PRODUCING SAME, METHOD FOR SEPARATING ACIDIC GAS OR METHANE GAS, AND METHOD FOR PRODUCING ACIDIC GAS OR METHANE GAS - An acidic gas-containing gas treatment separation membrane is provided which is capable of separating acidic gas or methane gas from biogas containing acidic gas, such as carbon dioxide or the like, and methane gas to obtain a gas having a high methane concentration. The acidic gas-containing gas treatment separation membrane includes a polysiloxane network structure having an introduced hydrocarbon group, doped with a metal salt having affinity for acidic gas. The polysiloxane network structure having the introduced hydrocarbon group is a composite polysiloxane network structure obtained by a reaction of a tetraalkoxysilane with a trialkoxysilane containing the hydrocarbon group. The tetraalkoxysilane is tetramethoxysilane or tetraethoxysilane. The trialkoxysilane containing the hydrocarbon group is trimethoxysilane or triethoxysilane whose Si atom is bonded with an alkyl or phenyl group having 1-6 carbon atoms. | 11-12-2015 |
| 20150319945 | ARTIFICIAL SOIL MEDIUM - In an artificial soil medium including a collection of artificial soil particles, provided is a technique of allowing an appropriate nutrient(s) to be released during each growth stage of plant to be grown, or highly controlling the amount of a nutrient(s), depending on a plant to be grown. An artificial soil medium | 11-12-2015 |
| 20150313102 | ARTIFICIAL SOIL AGGREGATE AND ARTIFICIAL SOIL MEDIUM - An artificial soil aggregate which is an aggregate of artificial soil particles is provided. When an artificial soil is formed by filling a container, such as a planter, etc., with the artificial soil aggregates, the volumetric moisture content rate and gas phase fraction of the artificial soil can be improved, and can also be maintained over a long period of time. The artificial soil aggregate is an aggregate of artificial soil particles in which a plurality of fillers having a small hole ranging from the subnanometer to the submicrometer scale are clustered together. A communication hole ranging from the submicrometer to the submillimeter scale is formed between the fillers. The artificial soil aggregate has a volumetric moisture content rate of 10 to 40% at a pF ranging from 1.7 to 2.3, and a gas phase fraction of 20 to 80% at a pF of 1.5. | 11-05-2015 |
| 20150306921 | RUN FLAT TIRE - A run flat tire having a side wall part reinforced by a side reinforcing rubber part is disclosed. The side reinforcing rubber part is formed from a rubber composition having a ratio (M50H/M50N) of tensile stress (M50H) in 50% elongation at a measurement temperature of 100° C. to tensile stress (M50N) in 50% elongation at a measurement temperature of 23° C. of from 1.0 to 1.3. | 10-29-2015 |
| 20150306918 | PNEUMATIC TIRE - The pneumatic tire has main grooves; land portions which are sectioned by the main grooves; paired notches which face to each other as well as being open to a tread surface; the notches being concave portions which are formed in side surfaces of two land portions which are adjacent across the main grooves; tie bars which protrudes at a predetermined height from groove bottoms of the main grooves and connect between the paired notches; and dimples which are provided in the middle in a width direction of the tie bars. The dimples are arranged at least in a notch internal region which is surrounded by wall surfaces of the notches among the tie bars. | 10-29-2015 |
| 20150298286 | POLISHING PAD - The purpose of the present invention is to provide a polishing pad that hardly generates scratches on a surface of a subject to be polished. This polishing pad is characterized in that: the polishing pad is provided with a polishing layer having a polishing region and a light-transmitting region; the light-transmitting region includes a surface layer positioned on the pad surface side, and at least one soft layer laminated under the surface layer, and the soft layer has a hardness lower than that of the surface layer. | 10-22-2015 |
| 20150298285 | MULTILAYER POLISHING PAD - A multilayer polishing pad includes a cushion layer, an adhesive member, and a polishing layer placed on the cushion layer with the adhesive member interposed therebetween, wherein the adhesive member is an adhesive layer containing a polyester-based hot-melt adhesive or a double-sided tape including a base layer and the adhesive layer provided on each of both sides of the base layer, wherein the adhesive layer or the double-sided tape has a non-adhesive region that occupies 1 to 40% of the surface area, and the polyester-based hot-melt adhesive contains 100 parts by weight of a polyester resin as a base polymer and 2 to 10 parts by weight of an epoxy resin having two or more glycidyl groups per molecule. | 10-22-2015 |
| 20150291480 | ARTIFICIAL SOIL MEDIUM - Provided is a technique of continuously supplying moisture to a plant to be grown over a long period of time or highly controlling the amount of moisture supplied to a plant to be grown, depending on the plant, in an artificial soil medium including a collection of artificial soil particles. An artificial soil medium | 10-15-2015 |
| 20150290997 | STABILIZER BUSHING - When a clipping member | 10-15-2015 |
| 20150290813 | CONVEYING METHOD AND CONVEYING DEVICE OF RUBBER MEMBER - In a conveying method of a rubber member for receiving the rubber member which is supplied from a supply device and is curved, and transferring the received rubber member to a supply receiving device in a curved state, the method includes a step of winding the rubber member from a leading end portion onto a mounting surface of a rotary table by forwardly rotating the rotary table and receiving the rubber member from the supply device in a state in which a rear end portion of the rubber member is not in contact with the mounting surface, a step of moving the rotary table from a receiving position to a transferring position, and a step of winding back the rubber member from the rear end portion so as to transfer the rubber member to the supply receiving device by reversely rotating the rotary table. | 10-15-2015 |
| 20150274048 | SEAT PAD - There is provided a seat pad | 10-01-2015 |
| 20150273653 | POLISHING PAD AND METHOD FOR PRODUCING SAME - An object of the present invention is to provide a polishing pad capable of maintaining a high level of dimensional stability upon moisture absorption or water absorption though it has high water absorption property and which hardly causes scratches on the surface to be polished of an object to be polished, and a method for producing the same. A polishing pad having a polishing layer comprising a polyurethane foam having fine cells, wherein the polyurethane foam includes a reaction cured body of a polyurethane raw material composition containing (1) an isocyanate-terminated prepolymer (A) obtained by reacting a prepolymer raw material composition (A′) containing an isocyanate monomer, a high molecular weight polyol (a) and a low molecular weight polyol, (2) an isocyanate-terminated prepolymer (B) obtained by reacting a prepolymer raw material composition (B′) containing a polymerized diisocyanate and a high molecular weight polyol (b), and (3) a chain extender; and the polymerized diisocyanate contains pentamers or higher oligomers in an amount of 40% by weight or less. | 10-01-2015 |
| 20150253207 | SENSOR AND A METHOD OF MAKING THE SAME - The present invention provides a sensor including a tactile sensor and bending sensor and a method of making the same, of which the manufacturing cost is low, the production efficiency is high and the sensor sensitivity is improved. The present invention relates to a sensor including a tactile sensor and bending sensor composed of an elastomer containing a magnetic filler and a magnetic sensor that detects a magnetic change caused by deformation of the elastomer; and a method of making the same, of which the viscosity of the mixed solution of the thermosetting elastomer precursor solution with the magnetic filler is adjusted to a specified range. | 09-10-2015 |
| 20150247011 | RUBBER WET MASTER BATCH PRODUCING METHOD, RUBBER WET MASTER BATCH, AND RUBBER COMPOSITION CONTAINING RUBBER WET MASTER BATCH - A method for producing a rubber wet master batch contains a coagulating step of mixing a slurry solution containing the filler and the dispersing solvent with the rubber latex solution, and coagulating the mixture, thereby producing a filler-containing rubber coagulation, and a heating step of using a uniaxial extruder to heat the filler-containing rubber coagulation to a temperature of 180 to 200 C, thereby dehydrating, drying and plasticizing the filler-containing rubber coagulation through a single step. The uniaxial extruder is an extruder having a screw, and an outer cylinder having an inner wall surface in which a slit is formed to be extended along the longitudinal direction of the outer cylinder (screw axial direction); and at least one portion of the inner wall surface of the outer cylinder is subjected to blasting treatment. | 09-03-2015 |
| 20150246585 | PNEUMATIC TIRE - A shoulder land portion is constructed by block rows. Shoulder lateral grooves sectionalize the block rows. The shoulder lateral grooves extend along the tire width direction in such a manner as to cut across ground contact ends. A plurality of projections is provided on a wall surface of the shoulder lateral groove. The projections protrude out of the wall surface of the shoulder lateral groove without reaching a center of a groove width of the shoulder lateral groove and are lined up in a length direction of the shoulder lateral groove in an outside area in the tire width direction from the ground contact end. The projection is formed into a triangular shape or a trapezoidal shape in its plan view and is formed into a triangular shape or a trapezoidal shape in its front elevational view. | 09-03-2015 |
| 20150232391 | FIBROUS-MASS PRODUCT, AND ARTIFICIAL SOIL USING FIBROUS-MASS PRODUCT - A fibrous-mass product is provided which has both water retentivity and strength, and in addition, good air permeability, and can be used as an artificial soil particle. A fibrous-mass product includes a core portion which is an aggregate of fibers, and a water permeable membrane which covers the core portion. The water permeable membrane has porous structure, and covers at least 40% of an outer surface portion of the core portion. The core portion has a water retention material. Ion exchange capability is imparted to at least one of the core portion and the water permeable membrane. The fibrous-mass product has a grain size of 1-10 mm. The amount of moisture retained in the fibrous-mass product is adjustable between a wet state in which the core portion is saturated with moisture and an air permeable state in which the core portion is not saturated with moisture. | 08-20-2015 |
| 20150230419 | ARTIFICIAL SOIL PARTICLE, ARTIFICIAL SOIL AGGREGATE, AND ARTIFICIAL SOIL MOLDED PRODUCT, AND GREENING SHEET, WALL GREENING PANEL AND HORTICULTURAL BLOCK USING ARTIFICIAL SOIL MOLDED PRODUCT - A high-quality and easy-to-handle artificial soil particle is provided which can exhibit well-balanced basic soil functions. In the artificial soil particle | 08-20-2015 |
| 20150158340 | PNEUMATIC TIRE - Provided is a pneumatic tire where a main groove extending in a tire circumferential direction and a projection projecting toward the inside of the main groove from a groove side wall of the main groove are formed on a tread portion, wherein a projecting amount of the projection from the groove side wall is decreased as the projection extends to a groove bottom of the main groove, the projection terminates at a position outside the groove bottom in a tire radial direction, and a length of the projection along the tire circumferential direction is shortened as the projection extends to a distal end side of the projection in a projecting direction. | 06-11-2015 |
| 20150158214 | METHOD OF MANUFACTURE OF SEAT PAD - A three-dimensional mesh-like body is disposed on a molding face of a lower mold onto which a liquid raw material of flexible foam is poured. An upper mold is laid over the lower mold to form a cavity, a projection projected on the upper mold toward the cavity is contacted with the three-dimensional mesh-like body, and the three-dimensional mesh-like body is fixed. The three-dimensional mesh-like body is attached and fixed to a front surface of a pad main body, so that the three-dimensional mesh-like body can be prevented from being displaced with respect to the pad main body. Moreover, the position of the three-dimensional mesh-like body can be prevented from being displaced in the process of foaming the liquid raw material because of the projection, and a vent hole can be formed on the pad main body. As a result, a sweaty feeling can be suppressed. | 06-11-2015 |
| 20150158213 | METHOD OF MANUFACTURE OF SEAT PAD - A tubular lower mold partitioning wall is erected on a lower mold, and a three-dimensional mesh-like body is disposed with a part of a side face exposed with respect to the lower mold partitioning wall. When a pad main body is molded by foaming a liquid raw material, the mesh-like body is penetrated through the pad main body in a thickness direction. Since the mesh-like body is disposed with a part of the side face exposed with respect to the lower mold partitioning wall, the liquid raw material is hardened between the fibers on the side face of the mesh-like body, and the side face is attached to the pad main body. Therefore, it is possible that the mesh-like body is not easily displaced with respect to the pad main body while suppressing a sweaty feeling. | 06-11-2015 |
| 20150151591 | PNEUMATIC TIRE - There is provided an pneumatic tire including a pair of left and right beads each including a bead core and a bead filler, and a carcass ply extending between the pair of beads, wherein the carcass ply is wound up around the bead core from the outside to the inside in the widthwise direction of the tire, and an end portion of the wind-up portion of the carcass ply is provided with notches at a plurality of positions in the circumference direction of the tire. | 06-04-2015 |
| 20150151585 | PNEUMATIC TIRE - A pneumatic tire includes a tread having a pattern formed thereon, in which the tread includes at least two main grooves extending in the tire circumferential direction; a plurality of lateral slits that are each a groove extending in a direction intersecting the tire circumferential direction formed, in at least one of ribs excluding the shoulder ribs formed in the at least two main grooves, so as to be aligned in the tire circumferential direction; and a slit bottom lateral sipe formed at the bottom of every two in the tire circumferential direction of the plurality of lateral slits aligned in the tire circumferential direction. | 06-04-2015 |
| 20150137405 | METHOD FOR MANUFACTURING SEAT PAD - A pad main body is bonded integrally with an inner pad while covering the front side of the inner pad. A back-side reinforced fabric located on the back side of the pad main body and the inner pad is integrally bonded on the back side of the inner pad and the pad main body by impregnation of foamed synthetic resin materials constituting the inner pad and the pad main body. This allows impregnation of the foamed synthetic resin materials in the back-side reinforced fabric located on the back side of the inner pad and the pad main body. This consequently allows providing a high hardness on the back side of the inner pad while ensuring hardness on the back side of the pad main body. | 05-21-2015 |
| 20150136309 | STRIP RUBBER ADHERING METHOD AND STRIP RUBBER ADHERING APPARATUS - A strip rubber adhering method includes: extruding strip rubber of a shape having an apex portion in cross section from an extruder and moving the same forward toward a drum; pressing a surface of the strip rubber on the apex portion side by a pressure bonding roller, adhering the strip rubber to the drum, moving relatively the drum and the extruder with respect to each other in an axial direction of the drum, and winding the strip rubber around the drum in a spiral manner; and exposing the surface of the strip rubber on the apex portion side to wind from a blowing apparatus in the vicinity of a position of adhesion of the strip rubber to the drum and cooling the surface of the strip rubber on the apex portion side. | 05-21-2015 |
| 20150133592 | RUBBER WET MASTERBATCH - A rubber wet masterbatch obtained, using at least a carbon black, a dispersing solvent, and a latex solution of a rubber as raw materials, the carbon black being a carbon black having an iodine adsorption number of 41 mg/g or less, and the rubber wet masterbatch being obtained through the following process: a process in which at the time of dispersing the carbon black into the dispersing solvent, at least one portion of the rubber latex solution is added to the carbon-black-dispersed solvent to produce a slurry solution comprising the carbon black to which rubber latex particles adhere, subsequently the slurry solution is mixed with the rest of the rubber latex solution, and next the mixture is solidified and dried. | 05-14-2015 |
| 20150132422 | CLIP FIXING JIG - A clip fixing jig for fixing a clip member in a molding die for molding a seat pad has a wall part erected along a whole outer peripheral edge of a bottom part thereof. The wall part forms, above the bottom part, an accommodation space for accommodating extending parts. The clip fixing jig has fixing parts for detachably fixing a clip member, so that a clip member can be fixed to the clip fixing jig by inserting the clip member in the accommodation space. With a clip fixing jig provided in a molding die, a seat pad can be formed by insert molding, so that workability in clip member fixing work is improved. | 05-14-2015 |
| 20150128671 | ARTIFICIAL SOIL AND METHOD OF MAKING THE SAME - The present invention provides as alternatives to natural soil (1) a plant growable artificial soil only by supplying water (such as tap-water), which has excellent fertilizer retainability by comprising a granulated material of fertilizer retainable fillers, and a method of making the artificial soil; (2) an artificial soil, which only specified fertilizer components are adsorbed by using a material having high fertilizer retainability; and (3) a granulated plant growing material having excellent fertilizer retainability so as to have both high cation exchange capacity and anion exchange capacity, excellent water retaining capacity with respect to water, which can be easily absorbed by the plants, and excellent breathability so as to return to high breathable state in a short time even if retaining water until reaching a saturated state. | 05-14-2015 |
| 20150119491 | RUBBER COMPOSITION - A rubber composition includes a diene rubber containing at least a polybutadiene rubber produced by use of a rare earth element based catalyst; a carbon black in an amount of 10 to 99 parts by mass for 100 parts by mass of the diene rubber; and a dihydrazide compound in an amount of 0.1 to 5.0 parts by mass for the same. | 04-30-2015 |
| 20150114540 | PNEUMATIC TIRE - A pneumatic tire according to the invention includes: a pair of left and right beads 3 each including a bead cores 3 | 04-30-2015 |
| 20150101729 | PNEUMATIC RADIAL TIRE - The invention provides a pneumatic radial tire which improves durability by lowering breakdowns in both of a ply end and a wind-up portion without an increase of weight and manufacturing cost. The pneumatic radial tire has a carcass layer which is provided between a pair of bead portions and is locked in a state in which end portions are wound up to the bead cores. The carcass layer is constituted by a first ply, a second ply and a third ply which are laminated one by one from an inner side to an outer side in a tire radial direction in a tire equator. The first ply and the third ply are wound up to the bead cores. The second ply terminates in a state in which the second ply is interposed between the first ply and the third ply, without reaching the bead cores. | 04-16-2015 |
| 20150097314 | TIRE CURING MOLD AND METHOD OF MANUFACTURING TIRE - A tire curing mold comprises a plurality of vent holes provided on a side forming surface coming into contact with a side wall portion of a tire. The side forming portion is provided with a recess portion which is recessed toward an outer side in a tire width direction from a profile of the side forming surface. A diameter of a vent hole which is open within the recess portion is set to be larger than a diameter of a vent hole which is open on the profile of the side forming surface. | 04-09-2015 |
| 20150090381 | PNEUMATIC TIRE MANUFACTURING METHOD AND PNEUMATIC TIRE - A method of manufacturing a pneumatic tire has a winding step of forming a rubber ribbon winding body constructing a tread rubber by spirally winding a rubber ribbon obtained by co-extruding a first rubber and a second rubber which are different in hardness. The first rubber is mainly arranged in a first area by making a cross sectional area ratio of the first rubber greater than that of the second rubber. The second rubber is mainly arranged in a second area by making the cross sectional area ratio of the first rubber smaller than that of the second rubber. A portion in which the cross sectional area ratio of the first rubber becomes smaller by smaller is provided from the first area toward the second area. The rubber ribbon retaining a compound interface is superposed and wound to at least a part of the second area. | 04-02-2015 |
| 20150083297 | VULCANIZATION-BONDED BODY OF THERMOPLASTIC POLYESTER RESIN MEMBER AND RUBBER MEMBER, AND METHOD FOR PRODUCING SAME - In a vulcanization-bonded body of a rubber member and a resin member such as a resin film and a method for producing the vulcanization-bonded body, adhesiveness between the resin member and the rubber member is improved without adding another step. In a vulcanization-bonded body which is composed of a resin member that is formed of a thermoplastic polyester and a rubber member that is bonded to the resin member by vulcanization, the resin member contains a resorcin-based formaldehyde condensate and the rubber member contains a melamine-formaldehyde resin. | 03-26-2015 |
| 20150080493 | RUBBER COMPOSITION FOR TIRE TREAD AND PNEUMATIC TIRE - A rubber composition for a tire tread comprising 100 parts by mass of a diene rubber, 10 to 150 parts by mass of a reinforcing filler, and 0.1 to 30 parts by mass of an acid-treated silk powder having a 90% volume particle diameter (D90) of 500 μm or less. A pneumatic tire having a tread comprising the rubber composition. | 03-19-2015 |
| 20150059253 | POLISHING PAD - A polishing pad capable of maintaining a high level of dimensional stability during absorption of moisture or water includes a polishing layer including a polyurethane foam having fine cells, wherein the polyurethane foam includes a cured product of a reaction of an isocyanate-terminated prepolymer (a), a polymerized diisocyanate, and a chain extender, and the isocyanate-terminated prepolymer (a) includes an isocyanate monomer, a high molecular weight polyol (a), and a low molecular weight polyol. A method for manufacturing such a polishing pad includes mixing a first component containing an isocyanate-terminated prepolymer with a second component containing a chain extender and curing the mixture to form a polyurethane foam. The pad so made is used in the manufacture of semiconductor devices. | 03-05-2015 |
| 20150051338 | METHOD FOR PRODUCING RUBBER COMPOSITION - A method for producing a rubber composition, comprising a first mixing step of causing a diene rubber, a carbon black, and a dihydrazide compound to react with each other in the presence of no silica while the three of the diene rubber, the carbon black, and the dihydrazide compound are kneaded, and a second mixing step of adding a silica to the kneaded product yielded through the first mixing step, and then mixing the silica with the kneaded product. | 02-19-2015 |
| 20150038643 | SILICON COMPOUND AND METHOD FOR PRODUCING SAME, AND USE THEREOF - A novel silicon compound capable of initiating radical polymerization is provided. The silicon compound is represented by the following general formula (1) | 02-05-2015 |
| 20150031795 | METHOD FOR PRODUCING RUBBER COMPOSITION - After step (I) of kneading a diene rubber and a carbon black to be mixed with each other, and then discharging the resultant mixture containing the diene rubber and the carbon black from an internal mixer, step (II) of kneading the mixture again in the internal mixer to crush a re-aggregate of the carbon black in the mixture, and step (III) of charging the dihydrazide compound into the internal mixer, and kneading the mixture and the dihydrazide compound to be mixed with each other are carried out. The period of step (II) for the kneading is 15 seconds or longer, and the rotating speed of the stirring rotor of the internal mixer is 35 rpm or more. The period of step (III) for the kneading is 40 seconds or longer, and the rotating speed of the stirring rotor of the internal mixer is from 15 to 25 rpm. | 01-29-2015 |
| 20150020940 | PNEUMATIC TIRE - A pneumatic tire includes a tread surface which is sectioned into a center area, a mediate area arranged in an outer side of the center area, and a shoulder area arranged in an outer side of the mediate area, wherein inclined grooves are formed spaced apart in a tire circumferential direction, the inclined grooves continuously extending from the mediate area to the shoulder area, in blocks in the mediate area and the shoulder area sectioned by the inclined grooves, an angle of inclination of a side wall on a leading side with respect to a normal direction of the tread surface is greater than an angle of inclination of a side wall on a trailing side with respect to a normal direction of the tread surface, and a plurality of dimples are formed in the side wall on the leading side of the block in the mediate area. | 01-22-2015 |
| 20150018449 | METHOD FOR PRODUCING RUBBER MASTER BATCH - A method for producing a rubber master batch, comprising: blending, into a diene rubber, 0.1 to 0.5 parts by mass of a peptizing agent, 0.1 to 5.0 parts by mass of a dihydrazide compound, and 10 to 35 parts by mass of a carbon black simultaneously for 100 parts by mass of the diene rubber, and kneading the resultant blend. | 01-15-2015 |
| 20150014906 | ANTI-VIBRATION DEVICE - A vibration damper, which enables a spring constant in the axial direction to be increased while reducing a spring constant in the prying direction and a spring constant in the direction perpendicular to the axial direction, is provided. With dividing surfaces of first rubber parts ( | 01-15-2015 |
| 20150011677 | RUBBER COMPOSITION AND METHOD FOR PRODUCING SAME - A rubber composition obtained by dry-mixing a natural rubber wet master batch yielded by mixing at least a natural rubber latex and a carbon-black-containing slurry solution with each other in a liquid phase and drying the resultant mixture, a dry rubber made mainly of a polybutadiene rubber, and an oil, wherein when the total amount of rubber components in the rubber composition is regarded as 100 parts by mass, the natural rubber is contained in an amount of 50 parts or more by mass, and the polybutadiene rubber is contained in an amount of 20 to 50 parts by mass, and the oil has a pour point of −10 C or lower, and an aniline point of 90 C or higher, and the blend amount of the oil is from 15 to 40 parts by mass for 100 parts by mass of the rubber components. | 01-08-2015 |
| 20150008618 | METHOD FOR FORMING CYLINDRICAL RUBBER MEMBER - A method for forming a cylindrical rubber member includes bringing a die | 01-08-2015 |
| 20140378031 | POLISHING PAD - The purpose of the present invention is to provide: a polishing pad which has improved dressing properties, while maintaining the hardness; or a polishing pad which does not easily make a scratch on the surface of an object to be polished, while having improved dressing properties. A polishing pad of the present invention is characterized by having a polishing layer that is formed of a polyurethane resin foam or an unfoamed polyurethane resin, and is also characterized in that the polyurethane resin foam or the unfoamed polyurethane resin contains, as starting material components, (A) an isocyanate component, (B) a polyol component and (C) an aromatic compound that has one hydroxyl group and/or an aromatic compound that has one amino group. | 12-25-2014 |
| 20140373990 | PNEUMATIC TIRE - Tread rubber forms a ground contact surface. When the ground contact surface is divided into two parts: a mounting inner side and a mounting outer side, the tread rubber has an inner cap part that forms an inner ground contact surface and is produced from non-conductive rubber, and an outer cap part that forms an outer ground contact surface. The inner cap part has a branched conductive part that is formed from conductive rubber ranging from the ground contact surface of a mounting outer end of the inner cap part to the side surface or bottom surface of a mounting inner end while branching off at a plurality of positions. The outer cap part does not have branched conductive rubber. The branched conductive part is formed from the conductive rubber with a rubber hardness different from that of the non-conductive rubber that forms the inner cap part. | 12-25-2014 |
| 20140367008 | PNEUMATIC TIRE - An objective of the present invention is to provide a pneumatic tire whereby primarily rolling resistance is minimized and noise is minimized. This pneumatic tire tread rubber ( | 12-18-2014 |
| 20140364536 | PROCESS FOR PRODUCING MODIFIED POLYMER, DIENE POLYMER, RUBBER COMPOSITION AND PNEUMATIC TIRE - A polymer having a carbon-carbon double bond in a main chain is decomposed by subjecting the carbon-carbon double bond to oxidative cleavage using an oxidizing agent such as periodic acid to decrease the molecular weight, polymer chains of the decomposed polymer are combined by changing acido-basic properties such that a system containing the decomposed polymer becomes basic when acidic and becomes acidic when basic, and a modified polymer in which the structure has been changed is obtained. By this, a functional group can be incorporated in the main chain structure of a polymer. A rubber composition comprising a rubber component containing the modified polymer, and a filler compounded therewith, and a pneumatic tire comprising the rubber composition are provided. | 12-11-2014 |
| 20140360640 | PNEUMATIC TIRE - Blocks are formed on a tread surface of a pneumatic tire by main grooves extending in the tire circumferential direction and lateral grooves which intersect with the main grooves. The blocks include: center blocks which are positioned in a center region in the tire width direction; shoulder blocks which are positioned on both side regions in the tire width direction; and mediate blocks which are positioned in an intermediate region between the center blocks and the shoulder blocks. The lateral groove formed between the shoulder blocks and the lateral groove formed between the mediate blocks which are positionally displaced from each other in the tire circumferential direction are connected to each other via the main groove by an auxiliary block. | 12-11-2014 |
| 20140360639 | PNEUMATIC TIRE - Blocks are formed on a tread surface of a pneumatic tire by main grooves extending in the tire circumferential direction and lateral grooves which intersect with the main grooves. A size of the block in the tire width direction of the tread surface is set larger than a size of the block in the tire circumferential direction of the tread surface. The blocks include: center blocks which are positioned in a center region in the tire width direction; shoulder blocks which are positioned on both side regions in the tire width direction; and mediate blocks which are positioned in an intermediate region between the center blocks and the shoulder blocks. A recessed portion is formed on an approximately center portions of the shoulder blocks and the mediate blocks excluding the center blocks. | 12-11-2014 |
| 20140332143 | PNEUMATIC TIRE FOR HEAVY LOAD, AND METHOD FOR PRODUCING THE SAME - In the method according to the invention for producing a pneumatic tire for heavy load, it is important that the following vulcanizing conditions are satisfied, the temperature for vulcanizing the tread region is 140° C. or lower, a vulcanization calorie given to the bead regions is a calorie corresponding to a time of 25 to 40 minutes in terms of the vulcanization calorie at a vulcanizing temperature of 140° C., and the ratio of a vulcanization calorie given to the front surface of the tread region to the vulcanization calorie given to the bead regions is 0.6 or more and less than 1.0, these vulcanization calories being each in terms of the vulcanization calorie at the vulcanizing temperature of 140° C. | 11-13-2014 |
| 20140326850 | ANTI-VIBRATION UNIT - An anti-vibration unit, which enables a reduction in man-hours to be achieved during manufacturing and a reduction in the number of parts, is provided. A boss member of an anti-vibration device is pressed into a press-fitting section of a second bracket so as to be firmly fixed. The omission of the bolt enables a corresponding reduction in the number of parts. Moreover, by omitting the bolt in this way, there is no need to form a female threaded section on the boss member of the anti-vibration device, thus enabling a corresponding reduction in man-hours during manufacturing. In addition, when chemically treating the boss member of the anti-vibration device, it is unnecessary to implement a step for protecting the female threaded section with a masking bolt, thus eliminating the need to attach and detach the masking bolt, which in turn enables a corresponding reduction in man-hours during manufacturing. | 11-06-2014 |
| 20140311640 | PNEUMATIC TIRE - A pneumatic tire is provided with a center land section formed between center main grooves, a pair of intermediate land sections formed between shoulder main grooves and the center main grooves, and a pair of shoulder land sections formed on the outside of the shoulder main grooves in a tire width direction. The center land section and the intermediate land sections swell outwardly in a tire radial direction from a basic tread profile line that smoothly connects ground contact surfaces of the pair of shoulder land sections. The radius of a peak section of the intermediate land sections is equal to or smaller than the radius of a peak section of the center land section, and the thickness of the intermediate land sections is greater than the thickness of the center land section. | 10-23-2014 |
| 20140284858 | ANTIVIBRATION DEVICE - [Problem to be Solved] | 09-25-2014 |
| 20140283965 | PNEUMATIC TIRE - A pneumatic tire is provided with a pair of first land sections formed between shoulder main grooves and center main grooves, a second land section formed between the center main grooves, and a pair of shoulder land sections formed on the outside of the shoulder main grooves in a tire width direction. The first land sections and the second land section swell outward in the tire radial direction from a basic tread profile line that smoothly connects ground contact surfaces of the pair of shoulder land sections. A swelling amount of the first land sections that swell from the basic tread profile line is larger than a swelling amount of the second land section. | 09-25-2014 |
| 20140262048 | CONVEYING DEVICE - A conveying device which receives a curved rubber member supplied from a supply device and delivers the rubber member to a supply target device, the conveying device including a rotary table having an annular mounting surface on which the curved rubber member is placed, and a moving mechanism capable of moving the rotary table between a receiving position and a delivery position, wherein the rotary table is rotated at the receiving position to roll up the rubber member, is moved from the receiving position to the delivery position, and is reversely rotated at the delivery position to roll back the rubber member. | 09-18-2014 |
| 20140260863 | CONVEYING DEVICE - A conveying device for conveying a rubber member extruded in a curved state from an extrusion device, the device including a support and a plurality of rollers which are spirally arranged around the support to constitute a spiral conveying path and which rotate while supporting a lower surface of the rubber member, wherein an outer diameter of each of the rollers increases from one end to the other end in an axial direction, the one end being rotatably fixed to the support, and the plurality of rollers include drive rollers which rotate and drive. | 09-18-2014 |
| 20140255531 | METHOD OF ESTIMATING LIFE OF GEAR PUMP AND RUBBER EXTRUSION APPARATUS - A method of estimating a life of a gear pump includes detecting the number of rotations of a gear and a discharge amount of rubber being extruded from the gear pump; calculating, based on the number of rotations and the discharge amount of the rubber which are detected, a discharge efficiency η (=T1/T) that is a ratio of a measured value T1 of a discharge amount of the rubber that is extruded from the gear pump per one rotation of the gear to a theoretical value T; and estimating the life of the gear pump based on the calculated discharge efficiency η. | 09-11-2014 |
| 20140252673 | METHOD FOR MOLDING ANNULAR MEMBER AND APPARATUS FOR MOLDING ANNULAR MEMBER - The object of the present invention is to provide a method and an apparatus for molding an annular member capable of accurately molding an annular member into a predetermined cross-sectional shape even if the annular member has a thick-walled inner peripheral part and a thin-walled outer peripheral part. The method for molding a bead filler ( | 09-11-2014 |
| 20140249252 | METHOD FOR PRODUCING RUBBER WET MASTERBATCH, RUBBER WET MASTERBATCH, AND RUBBER COMPOSITION INCLUDING RUBBER WET MASTERBATCH - A method for producing a rubber wet masterbatch includes a solidifying step of mixing a slurry solution containing a filler and a dispersing solvent with a rubber latex solution, and solidifying the resultant mixture to produce a filler-containing rubber solidified product, a dehydrating step of using a first uniaxial extruder to dehydrate the filler-containing rubber solidified product while the solidified product is heated into the range of 100 to 180° C., thereby producing a rubber wet masterbatch, and a drying plasticizing step of using a second uniaxial extruder to plasticize the rubber wet masterbatch while the masterbatch is heated into the range of 120 to 180 C, thereby producing the rubber wet masterbatch further decreased in water content by percentage. The method does not have cooling step between the dehydrating step and the drying plasticizing step. | 09-04-2014 |
| 20140249250 | RUBBER COMPOSITION FABRICATION METHOD AND RUBBER COMPOSITION - A method for producing a rubber composition containing a rubber wet master batch has a masticating process. The masticating process comprises step 1 of charging the rubber wet master batch into an enclosed kneading chamber that has a stirring rotor showing a rotation speed controllable automatically through a control unit and that is capable of detecting and outputting an internal temperature, step 2 of setting a first control time and a first target temperature in the control unit, and step 3 of stirring the inside of the kneading chamber while making a PID control for adjusting an actually measured temperature in the kneading chamber to the first target temperature through the control unit on the basis of information on the actually measured temperature and the first target temperature, thereby automatically controlling the rotation speed, until the first control time elapses after the completion of the two steps. | 09-04-2014 |
| 20140238570 | AIR PERMEATION RESISTANT FILM AND PNEUMATIC TIRE - Provided is an air permeation resistant film in which flexibility can be imparted to the film without remarkably increasing the proportion of a rubber constituting a dispersed phase. An air permeation resistant film comprising (A) a thermoplastic polyester elastomer which comprises a block copolymer containing a polyester as a hard segment and has a melting point of from 180 to 230° C., and (B) a rubber, in a mass ratio (A)/(B) of from 90/10 to 40/60, wherein the component (A) and the component (B) are melt-kneaded to perform dynamic crosslink, thereby forming a continuous phase composed of the component (A) and a dispersed phase composed of the component (B), and the film has an air permeation coefficient at 80° C. of 5×10 | 08-28-2014 |
| 20140238566 | PNEUMATIC TIRE - A pneumatic tire includes a tread having at least one main groove and a plurality of ribs extending in the tire-circumferential direction. At least one of the ribs has a plurality of narrow grooves formed at intervals in the tire-circumferential direction. At least one intermittent sipe is formed corresponding to at least one of the narrow grooves. The narrow grooves are grooves each having a portion extending substantially along the tire-circumferential direction and having a groove width smaller than the at least one main groove. The at least one intermittent sipe has a plurality of holes that are intermittently formed, and at least one solid part located between adjacent two of the holes. The holes and the solid part are arranged in a direction intersecting the narrow grooves. The intermittent sipe intersects the corresponding narrow groove in the at least one solid part. | 08-28-2014 |
| 20140238562 | PNEUMATIC TIRE - A tire has a tread rubber and a conductive portion. The conductive portion is formed so as to connect the ground surface and a side surface of a side end portion of the tread rubber in a tire meridian circle cross section. The conductive portion having a rubber hardness which is different from the tread rubber, and has a stem portion and a plurality of branch portions. The stem portion heads for an inner side in the tire width direction from the side surface of the side end portion of the tread rubber so as to terminate at an inner portion of the tread rubber. The plurality of branch portions are branched from a plurality of positions of the stem portion so as to head for an outer side in the tire width direction and be exposed to an outer surface of the tire. | 08-28-2014 |
| 20140213151 | POLISHING PAD - An object of the invention is to provide a polishing pad that is prevented from slurry leaks and has high optical detection accuracy. The present invention relates to a polishing pad comprising a polishing region, a cushion layer, and a support film layered in this order, wherein a light-transmitting region is provided on the support film and in an opening part that passes through the polishing region and the cushion layer; the light-transmitting region has a peripheral part and a recessed part on the surface of a polishing platen-side; the support film is layered on the peripheral part; and the support film is not layered on the recessed part, which remains open. | 07-31-2014 |
| 20140202077 | PLANT CULTIVATION METHOD, AND CULTIVATION CONTAINER AND CULTIVATION DEVICE USED THEREFOR - A purpose of the present invention is to provide a plant cultivation method with which the growth of plants can be promoted by adjusting the environment within a culture medium, and to provide a plant cultivation container with which this cultivation method can be easily and effectively performed. The present invention provides a plant cultivation method for plants which are raised in a culture medium, which cultivation method is characterized in that water is only supplied to the plants from the side of the culture medium, and provides a plant cultivation container and a plant cultivation device used therefor. | 07-24-2014 |
| 20140187669 | METHOD FOR PRODUCING RUBBER COMPOSITION - A method for producing a rubber composition containing by weight 5 to 95 parts of natural rubber (NR), 95 to 5 parts of chloroprene rubber (CR), and 20 to 90 parts of carbon black (CB), using a kneading machine, includes a first step of producing a master batch (M1) containing NR and CB; a second step of producing a master batch (M2) containing CR and CB, and a third step of mixing the M1 and M2 with each other to produce a master batch (M3) containing NR, CR, and CB, wherein the amount of CB contained in the M2 is from 40 to 70% by weight relative to the total amount of CB in the rubber composition, and when the M2 is discharged from the kneading machine after the second step, the actually measured temperature of the rubber composition is from 100 to 130° C. | 07-03-2014 |
| 20140175255 | VIBRATION ISOLATION DEVICE - To provide a vibration isolation device capable of preventing the sealing performance in liquid filling work from deteriorating and capable of simplifying maintenance of apparatuses in relation with the liquid filling work. | 06-26-2014 |
| 20140174612 | PNEUMATIC TIRE - A pneumatic tire has a carcass ply and a side wall rubber provided in outer sides of the carcass ply. The carcass ply has joint portions obtained by overlapping end portions of ply members so as to join. At least one of the joint portions is provided with a rubber tape. The rubber tape is interposed between the end portions of the ply members and is exposed to a surface of the carcass ply. A topping rubber of the carcass ply and the side wall rubber are formed by a nonconductive rubber. The rubber tape is formed by a conductive rubber. A conductive route getting to the rubber tape from a ground-contacting surface is formed in a tread portion. A conductive route getting to the rubber tape from an outer surface of a bead portion is formed in the bead portion. | 06-26-2014 |
| 20140171566 | ALKOXYSILYL GROUP-CONTAINING AZO COMPOUND AND RUBBER COMPOSITION USING THE SAME - An alkoxysilyl group-containing azo compound represented by the following formula (I), a method for easily obtaining the alkoxysilyl group-containing azo compound, and a rubber composition having improved heat build-up characteristic and the like obtained using the azo compound are provided. The alkoxysilyl group-containing azo compound is preferably obtained by reacting a compound represented by the following formula (2) and a compound represented by the following formula (3); | 06-19-2014 |
| 20140158262 | PNEUMATIC TIRE - Provided is a pneumatic tire where a plurality of main grooves extending along the tire circumferential direction, lateral grooves extending in the direction inclined with respect to the tire width direction, and land portions partitioned by the main grooves and the lateral grooves are formed in a tread portion. The land portion includes an obtuse angle portion defined at an obtuse angle by the main groove and the lateral groove, and an acute angle portion defined at an acute angle by the main groove and the lateral groove. A plurality of holes are formed in a side wall of the land portion facing the main groove at intervals in the tire circumferential direction. The holes formed on an obtuse angle portion side are arranged at positions closer to a ground contact surface of the land portion than the holes formed on an acute angle portion side. | 06-12-2014 |
| 20140155509 | POLYOL COMPOSITION FOR RIGID POLYURETHANE FOAM AND PRODUCTION METHOD FOR RIGID POLYURETHANE FOAM - A polyol composition for a rigid polyurethane foam, which comprises polyol compounds, and water as a blowing agent, and which is mixed with a polyisocyanate component to react therewith, and thereby forming the rigid polyurethane foam, wherein the polyol compounds comprise a polyether polyol (A) which is a polymer made from an alkylene oxide and has an average functional group number of 2 to 4 and a weight-average molecular weight of 3000 to 8000, and a short glycol (B) having a molecular weight less than 250, and the water is contained in an amount of 20 to 100 parts by weight for 100 parts by weight of the polyol compounds. | 06-05-2014 |
| 20140150944 | PNEUMATIC TIRE - The invention provides a pneumatic tire which can reduce a rolling resistance while maintaining an wear resistance. Among a cap portion in a center area, at least the cap portion of a center land portion is provided with a cap front layer which includes a surface, and a cap inner layer which is laminated in an inner periphery of the cap front layer. A loss tangent of the cap front layer is set to be smaller than a loss tangent of the cap inner layer and be smaller than a loss tangent of the cap portions in the shoulder areas. | 06-05-2014 |
| 20140148524 | POLYURETHANE FOAM PANEL AND PRODUCTION METHOD FOR POLYURETHANE FOAM PANEL - A polyurethane foam panel, obtained by mixing a polyol composition comprising polyol compounds, and water as a blowing agent with a polyisocyanate component to react therewith, wherein the polyol compounds comprise a polyether polyol (A) which is a polymer made from an alkylene oxide and has an average functional group number of 2 to 4 and a weight-average molecular weight of 3000 to 8000, and a short glycol (B) having a molecular weight less than 250, the water is contained in an amount of 20 to 100 parts by weight for 100 parts by weight of the polyol compounds, and the thickness direction of the polyurethane foam panel is substantially perpendicular to the foamed direction of cells in the foam or at the time of mixing and reacting the polyol composition and the polyisocyanate component with each other, the isocyanate index of the component is 30 or less. | 05-29-2014 |
| 20140138006 | PNEUMATIC TIRE AND MANUFACTURING METHOD OF THE SAME - The invention provides a pneumatic tire which suppresses one-sided flow of a tire caused by ply steer without deteriorating uniformity. A tread rubber is formed by a ribbon rubber which is wound around a tire rotating axis continuously from a winding start end to a winding terminal end. Positions of the winding start end and the winding terminal end are different from each other in a tire width direction. In the case that a belt incline side is set to a side in which a cord of a belt ply in the outermost side in a tire diametrical direction among a plurality of belt plies is inclined to a tire peripheral direction, the ribbon rubber is wound in a posture in which the ribbon rubber is inclined to an opposite side to the belt incline side in relation to the tire peripheral direction. | 05-22-2014 |
| 20140128525 | TIRE MEMBER AND METHOD FOR MANUFACTURING THE SAME - A method for manufacturing a tire member, containing a step (A) for producing a mixture containing a diene rubber component, an inorganic filler, a peptizer and a thiosulfuric acid compound containing an amino group, and a step (B) for mixing the mixture, a sulfur component and a vulcanization accelerator, wherein a tire member having improved abrasion resistance, tear strength and flex fatigue resistance is obtained, and the tire member are provided. A premix containing 100 parts by mass of the diene rubber component, from 0.1 to 0.5 parts by mass of the peptizer and 0.2 parts by mass or more of the thiosulfuric acid compound containing an amino group, obtained under a condition in which a temperature during mixing is maintained within a range of from 145 to 170° C. for 20 seconds or more and a temperature at completion of the mixing is 170° C. or lower. | 05-08-2014 |
| 20140128498 | TIRE MEMBER AND METHOD FOR MANUFACTURING THE SAME - A method for manufacturing a tire member, that improves various performances such as abrasion resistance, tear strength, fatigue resistance and the like of the tire member in good balance is provided. The method includes a step (A) for mixing at least a rubber component, a filler and a thiosulfuric acid compound containing an amino group, and a step (B) for mixing the mixture obtained by the step (A), a sulfur component, and a vulcanization accelerator, wherein the thiosulfuric acid compound containing an amino group is added in an amount of 0.2 parts by mass or more to 100 parts by mass of the rubber component in the step (A), and a temperature of the mixture during mixing is maintained within a range of from 145 to 170° C. for 20 seconds or more in the step (A). | 05-08-2014 |
| 20140117597 | AIR SPRING FOR RAILROAD CAR - An air spring for railroad cars includes an air spring part formed by an upper support on a vehicle body side, an intermediate support arranged therebelow, and a diaphragm made of rubber and extending between the upper support and the intermediate support; and an elastic mechanism b formed by a rubber mass | 05-01-2014 |
| 20140090765 | PNEUMATIC TIRE - A pneumatic tire has a bead filler, a carcass ply, a side wall rubber and a rim strip rubber. The rim strip rubber has a main portion arranged in an outer side in a tire width direction of the bead filler, and a thin portion arranged between the carcass ply and the side wall rubber. The main portion forms an outer surface of a bead portion. The thin portion extends in the tire diametrical direction at a substantially fixed thickness. An upper end of the thin portion is positioned in an outer side in the tire diametrical direction than an upper end of the bead filler and in an inner side in the tire diametrical direction than a roll-up end of the carcass ply. | 04-03-2014 |
| 20140086453 | TIRE DEFECT DETECTION METHOD - Provided is a tire defect detection method capable of accurately detecting a thinly extending convex defect of a tire surface. Prior to the start of Step S | 03-27-2014 |
| 20140065932 | LAMINATED POLISHING PAD - The purpose of the present invention is to provide a long-lived laminated polishing pad wherein a polishing layer is resistant to detachment from a support layer even when high temperatures are produced by long periods of polishing. This laminated polishing pad is characterized that: a polishing layer and a support layer are laminated together with an adhesive member interposed therebetween; said adhesive member is either an adhesive layer containing a polyester-based hot-melt adhesive or double-sided tape that has one of such adhesive layers on each side of a substrate; and for each 100 weight parts of a polyester-resin base polymer, said polyester-based hot-melt adhesive contains 2 to 10 weight parts of an epoxy resin that has at least two glycidyl groups per molecule. | 03-06-2014 |
| 20140038493 | TANK AND METHOD FOR PRODUCING POLISHING PAD USING TANK - It is an object of the invention to provide a tank for use in making high-quality, air void-less, polishing pads, to provide a method for producing a polishing pad using the tank, and to provide a polishing pad obtained by such a production method. A tank for holding a resin composition, the tank comprising two or more body components and joint parts, wherein the two or more body components are joined by the joint parts to form a frame-shaped body, at least one of the joint parts includes an opening and closing member that joins adjacent ones of the body components in such a way that the adjacent body components can swing open, and at least another one of the joint parts includes a joint member that joins adjacent ones of the body components in such a way that the adjacent body components can swing about the joint member. | 02-06-2014 |
| 20140037947 | HOT-MELT ADHESIVE SHEET FOR STACKED POLISHING PAD AND ADHESIVE-LAYER-BEARING SUPPORT LAYER FOR STACKED POLISHING PAD - The purpose of the present invention is to provide a hot-melt adhesive sheet for a stacked polishing pad wherein a polishing layer is resistant to detachment from a support layer even when high temperatures are produced by long periods of polishing. This hot-melt adhesive sheet is used to laminate a polishing layer to a support layer, and the hot-melt adhesive is a polyester-based hot-melt adhesive that, for each 100 weight parts of a polyester-resin base polymer, contains 2 to 10 weight parts of an epoxy resin that has at least two glycidyl groups per molecule. | 02-06-2014 |
| 20140034204 | ASSEMBLY OF PNEUMATIC TIRE AND RIM - In an assembly of a pneumatic tire and a rim, in which a tire cavity is formed between the pneumatic tire and the rim by mounting the pneumatic tire on the rim, a noise suppressing body extending in a circumferential direction is disposed inside the tire cavity. The noise suppressing body includes a first sound absorbing material layer arranged apart from an inner surface of a tire tread part through a cavity and a second sound absorbing material layer disposed at the rim side of the first sound absorbing material layer and having lower air permeability than the first sound absorbing material layer. | 02-06-2014 |
| 20130340904 | PNEUMATIC TIRE AND MANUFACTURING METHOD OF THE SAME - A tread rubber of a pneumatic tire is formed by a ribbon rubber which is spirally wound around a tire rotating axis. The ribbon rubber is wound toward one side in a tire width direction from a start point which is positioned closer to a center side than tread ends in a tire meridian cross section, is next folded back to the other side in the tire width direction at the tread end on the one side, is wound toward the tread end on the other side beyond the start point, is next folded back to the one side in the tire width direction at the tread end on the other side, and is wound toward an end point. The ribbon rubber has the winding start end and the winding terminal end at tread end vicinity portions avoiding the tread ends and a tread center portion. | 12-26-2013 |
| 20130340903 | PNEUMATIC TIRE AND MANUFACTURING METHOD OF THE SAME - A pneumatic tire has a conductive portion formed by a conductive rubber is provided in the tread rubber formed by a nonconductive rubber. The conductive portion has an outer skin portion and a projection portion. The outer skin portion is formed on a surface of the tread rubber, and extends to an inner side in a tire width direction from a side surface of the tread rubber so as to terminate at a position which goes beyond a contact end. The projection portion spirally extends from a position in an outer side than contact end so as to reach a position in an inner side in the tire width direction than the contact end, and protrudes to an inner side in a tire diametrical direction from the outer skin portion so as to terminate without reaching a bottom surface of the tread rubber. | 12-26-2013 |
| 20130340351 | METHOD FOR MANUFACTURING POLISHING PAD - A method for manufacturing a polishing pad, which may be laminated, with a small number of manufacturing steps, high productivity and no peeling between a polishing layer and a cushion layer includes preparing a cell-dispersed urethane composition by a mechanical foaming method; continuously discharging the cell-dispersed urethane composition onto a face material, while feeding the face material; laminating another face material on the cell-dispersed urethane composition; curing the cell-dispersed urethane composition, while controlling its thickness to be uniform, so that a polishing layer including a polyurethane foam is formed; cutting the polishing layer parallel to the face into two pieces so that two long polishing layers each including the polishing layer and the face material are simultaneously formed; and cutting the long polishing layers to produce the polishing pad. | 12-26-2013 |
| 20130334722 | DEVICE AND METHOD FOR FORMING SHEET-LIKE RUBBER - The sheet-like rubber forming device has a die body which has an opening having a predetermined cross sectional shape, and a variable die lip which is arranged in a front side of the die body and can change the height of the opening. The variable die lip is constructed by a first movable body and a second movable body. The die lip control unit controls the variable die lip so as to drive the first movable body in an opening direction from a state in which the first movable body and the second movable body are closed when the forming is started, hold the positions of the first movable body and the second movable body after reaching a predetermined height, and drive the second movable body in a closing direction when the forming is finished. | 12-19-2013 |
| 20130333826 | FORMING METHOD OF ANNULAR RUBBER MEMBER AND FORMING EQUIPMENT OF ANNULAR RUBBER MEMBER - A forming method of an annular rubber member comprises the step of forming a laminated body in which a plurality of layers overlap in a thickness direction, by continuously extruding a sheet-like rubber via a mouth piece provided in a leading end side of an extruder, and winding the extruded sheet-like rubber around a rotation support body. The layers having different widths are overlapped by changing an opening width of the mouth piece, at a time of changing from a stage of forming the layer which is positioned relatively at an inner peripheral side, to a stage of forming the layer which is positioned relatively at an outer peripheral side. | 12-19-2013 |
| 20130313764 | AIR SPRING - An air spring according to this invention enables easy and reliable adjustment of a space between stoppers. Specifically, an upper member ( | 11-28-2013 |
| 20130284330 | PNEUMATIC TIRE - A pneumatic tire has a carcass ply, a tread rubber, a side wall rubber and a rim strip rubber. A topping rubber of the carcass ply and the side wall rubber are formed by a non-conductive rubber. The rim strip rubber is formed by a conductive rubber. A height of an outer end of the rim strip rubber is equal to or more than 50% of a tire cross section height. JIS A hardness of the side wall rubber is equal to or more than 59 degrees. A side conductive layer formed by the conductive rubber is provided between the side wall rubber and the carcass ply. The side conductive layer is connected to the tread rubber and the rim strip rubber. A conductive route reaching the outer end of the side conductive layer from a ground-contacting surface is constructed in the tread rubber. | 10-31-2013 |
| 20130281570 | UNVULCANIZED RUBBER COMPOSITION, PROCESS FOR PRODUCING SAME, AND PNEUMATIC TIRE - A process for producing an unvulcanized rubber composition comprising a rubber wet master batch yielded by using, as raw materials, at least a filler, a dispersing solvent and a rubber latex solution, the rubber latex solution comprising two or more rubber latex solution species different from each other, and the process comprising a step (I) of dispersing the filler into the dispersing solvent to produce a filler-containing slurry solution, a step (II) of mixing the filler-containing slurry solution with the rubber latex solution to produce a filler-containing rubber latex solution, and a step (III) of coagulating and drying the filler-containing rubber latex solution to produce the rubber wet master batch. | 10-24-2013 |
| 20130269845 | SET OF PNEUMATIC TIRES AND AN ARRANGEMENT OF MOUNTING PNEUMATIC TIRES - A set of pneumatic tires that are mounted on a vehicle such as a compact or subcompact car, and to an arrangement of mounting the pneumatic tires on the vehicle, which enable omitting of tire rotation without adversely affecting productivity and performances of the tires. Dimensions, shaping and contour as well as tread pattern of the tires for the drive wheel are identical or substantially identical with those for the non-drive wheels. And, wear resistance of the tires for the non-drive wheels is lower than that for the drive wheels due to discrepancy in rubber compositions for forming tire treads between the tires for drive and non-drive wheels. The wear resistance may be defined as a mileage per 1mm wear in depth direction of grooves on the tire tread around its center line. | 10-17-2013 |
| 20130269651 | ANTI-VIBRATION DEVICE - An anti-vibration device according to the present invention makes it possible to achieve compactness and sufficient durability without increasing the number of parts. To be specific, an anti-vibration member | 10-17-2013 |
| 20130244545 | POLISHING PAD AND METHOD FOR PRODUCING SAME - A polishing pad has a polishing layer including a non-foamed polyurethane, wherein the non-foamed polyurethane is a reaction cured body of a polyurethane raw material composition containing an isocyanate-terminated prepolymer obtained by reacting a prepolymer raw material composition containing a diisocyanate, a high-molecular-weight polyol and a low-molecular-weight polyol; an isocyanate modified body polymerized by adding three or more diisocyanates; and a chain extender, and the addition amount of the isocyanate-modified body is 5 to 30 parts by weight with respect to 100 parts by weight of the isocyanate-terminated prepolymer. The polishing pad hardly causes scratches on the surface of an object to be polished and has an improved dressing property. | 09-19-2013 |
| 20130240109 | PNEUMATIC TIRE - A pneumatic tire comprising: first carcass ply that is comprised of; a tire-inner-face part extending along inner face of the tire to span between the tire bead portions; and turned-up parts extended as turned up from outer faces of the tire bead portions up to inside beyond fringes of a belt layer; and second carcass ply that is substantially omitted at between the tire bead portions and extends as being turned up from outer faces of the tire bead portions up to inside beyond fringes of a belt layer; and cords forming the tire-inner-face part, the turned-up part and the second carcass ply having inclination to radial direction of the tire; and direction of the inclination of the cords being alternated in respect of leftward or rightwards, between two adjacent ones of the tire-inner-face part, the turned-up part and the second carcass ply. | 09-19-2013 |
| 20130240108 | PNEUMATIC RADIAL TIRE - A wind-up side cord of a chafer is arranged in such a manner that an angle of inclination of a first line connecting a first point and a second point with respect to a tire circumferential direction is 20 to 40 degrees, and is formed as a circular arc shape which is convex to an outer side in the tire radial direction, a turn-up side cord of the chafer is arranged in such a manner that an angle of inclination of a second line connecting a third point and a fourth point with respect to the tire circumferential direction is 30 to 50 degrees, and is equal to or less than 5 degrees in a change of the angle of inclination with respect to the tire circumferential direction, and a distance in the tire circumferential direction from a fifth point to the first line is 2 to 12 mm. | 09-19-2013 |
| 20130228255 | PNEUMATIC TIRE - Bare can be prevented from occurring in a wear indicator. A pneumatic tire has a wear indicator | 09-05-2013 |
| 20130225757 | RUBBER COMPOSITION FOR TIRE SIDEWALL AND PNEUMATIC TIRE - A rubber composition for a tire sidewall includes 100 parts by mass of a rubber component comprising from 40 to 70% by mass of natural rubber and/or an isoprene rubber, and from 60 to 30% by mass of a butadiene rubber having 96% or more of cis-1,4 bond content, polymerized using a rare earth element-based catalyst, from 25 to 50 parts by mass of a filler comprising carbon black and/or silica, and from 0.3 to 3 parts by mass of a vulcanization accelerator, wherein the vulcanization accelerator comprises from 0.1 to 1.5 parts by mass of a sulfenimide compound represented by the following formula (1) and a sulfenamide-based vulcanization accelerator; | 08-29-2013 |
| 20130217309 | POLISHING PAD AND METHOD FOR PRODUCING SAME - A polishing pad has a polishing layer including a non-foamed polyurethane, wherein the non-foamed polyurethane is a reaction cured body of a polyurethane raw material composition containing an isocyanate-terminated prepolymer obtained by reacting a prepolymer raw material composition containing a diisocyanate, a high-molecular-weight polyol and a low-molecular-weight polyol; an isocyanate modified body polymerized by adding three or more diisocyanates; and a chain extender, and the addition amount of the isocyanate-modified body is 5 to 30 parts by weight with respect to 100 parts by weight of the isocyanate-terminated prepolymer. The polishing pad hardly causes scratches on the surface of an object to be polished and has an improved dressing property. | 08-22-2013 |
| 20130206340 | TIRE BUILDING METHOD AND RUBBER STRIP BONDING APPARATUS - The invention can surely accomplish lamination without the generation of voids in building a tire constructed to comprise a plurality of rubber members for a tire when a ribbon-shaped rubber strip (R) is spirally wound and laminated, and uses holding rolls ( | 08-15-2013 |
| 20130174955 | PNEUMATIC TIRE - An installation members | 07-11-2013 |
| 20130146743 | LIQUID-SEALED VIBRATION ISOLATION DEVICE AND VIBRATION ISOLATION UNIT - A liquid-sealed vibration isolation device including: a cylindrical outer tube member; a boss member; a vibration isolation base body ; a diaphragm; a partition member; an orifice; a decompressing-cum-pouring hole allowing the liquid-sealed chamber to communicate with the outside; and a sealer sealing the decompressing-cum-pouring hole. In the liquid-sealed vibration isolation device, an annular attaching member is provided to which the diaphragm is vulcanizingly adhered on the inner peripheral side and which is formed into an annular shape when viewed in the axial direction and attached to the upper end side of the outer tube member, and the decompressing-cum-pouring hole is disposed in the annular attaching member. | 06-13-2013 |
| 20130146196 | PNEUMATIC TIRE - A pneumatic tire is disclosed. In one sidewall part, a sidewall rubber is formed by a black rubber over the whole circumference in a tire circumferential direction. In the other sidewall part, a different color rubber part for indicating marks on a tire outer surface is provided. The different color rubber part is divided into several sections in the circumferential direction, and the different color rubber part and the black rubber part are alternately and adjacently arranged in the circumferential direction. Side surfaces at both sides in the circumferential direction of the different color rubber part are formed into inclined surface shapes in a direction such that the side surfaces approach each other toward a tire inner surface side, thereby a size in the circumferential direction of the different color rubber part is decreased toward the tire inner surface side. | 06-13-2013 |
| 20130139936 | PNEUMATIC RADIAL TIRE - A pneumatic radial tire includes three or less steel belt layers, wherein a first block and a second block extending in an outer side than the first block are alternately provided in a tire circumferential direction on a ground edge region of a tread part. An annular region extending in a circumferential direction is provided on the outer surface of an outer side than a maximum width position in a side wall part, and plural projections are provided side by side on the annular region. An outer thin wall part continuing along an outer circumferential edge of the annular region and an inner thin wall part continuing along an inner circumferential edge of the annular region are provided, and the outer thin wall part is arranged adjacent to an inner radius height and inside of the inner radius height. | 06-06-2013 |
| 20130134631 | MANUFACTURING APPARATUS OF RUBBER MEMBER AND MANUFACTURING METHOD OF RUBBER MEMBER - A manufacturing apparatus of a rubber member includes an extruder that kneads and feeds a rubber material; a mouthpiece that discharges the rubber material supplied from the extruder; a support member that has a support surface opposing the mouthpiece; a rubber collection chamber that is formed between the mouthpiece and the support surface, that collects the rubber material discharged from the mouthpiece, and that has an opening in a front movement direction of the support surface with respect to the mouthpiece; and a shutter that opens and closes the opening. A plate-like rubber member is molded using the rubber material discharged from the mouthpiece onto the support surface by relatively moving the support surface and the mouthpiece. | 05-30-2013 |
