Class / Patent application number | Description | Number of patent applications / Date published |
152556000 | Physical structure of reinforcing cords | 48 |
20080271831 | CARCASS REINFORCEMENT FOR TIRE INTENDED TO BEAR HEAVY LOADS - A carcass reinforcement for a tire which is intended to bear heavy loads, comprising a composite fabric which comprises a rubber composition of reduced hysteresis and metal cables reinforcing the composition. The elastomeric matrix thereof comprises natural rubber or a synthetic polyisoprene in a majority proportion, and a reinforcing filler comprising a carbon black which meets all of the following conditions:
| 11-06-2008 |
20090020208 | Pneumatic tire - A pneumatic tire comprises a tread-reinforcing band made of at least one spirally wound cord, wherein 2 the band cord consists of materially identical high-strength high-modulus organic filaments, and the band cord is formed by first twisting each of filament bunches, subjecting the first twisted bunches to a dip-and-stretch treatment, and then twisting the treated bunches together, whereby the load-elongation curve of the band cord comprises a low-modulus zone and a high-modulus zone whose boundary point is in an elongation range of from 1 to 7%, and the ratio EH/EL of a nominal elastic modulus EH of the high-modulus zone and a nominal elastic modulus EL of the low-modulus zone is in a range of from 2.0 to 10.0. Therefore, high-modulus aramid cords, PEN cords and the like can be used to reduce the tire weight. | 01-22-2009 |
20090071587 | TIRE CORD FABRIC - An improved tire cord fabric is provided that has a main portion and a tabby. The tire cord fabric is comprised of warp cords oriented in the longitudinal direction and weft yarns oriented in the lateral direction. The warp cords are used in reinforcing pneumatic tires. In the tabby, the weft yarns have an increased count per inch versus the count per inch of the weft yarns in the main portion of the fabric. The weft yarns in the tabby are preshrunk prior to weaving of the tire cord fabric. | 03-19-2009 |
20090101267 | MULTIPLE PLY MODULAR CONSTRUCTION - A tire carcass to be used with any type of tire is shown herein. A tire carcass includes a first ply portion, a second ply portion, each ply portion having an inner sidewall ply, an outer sidewall ply, a first end, a second end, and a bead core, a bridge portion, wherein the first ends of the ply portions are separated by the bridge portion, and at least two bridge plies, wherein the bridge plies span the bridge portion, wherein each of the bridge plies have a first end and a second end. | 04-23-2009 |
20090120554 | Tyre with Corrugated Sidewalls - A tire includes at least one reinforcing structure of the carcass type anchored on each side in a bead. Each bead is extended radially outwards by a sidewall. The reinforcing structure extends circumferentially from the bead towards the sidewall and is arranged in such a way that, in the substantially median portions of the sidewall, the threads of the reinforcing structure having different axial positions so as to form a succession of substantially regular corrugations along the circumferential path, thus forming a corrugated circumferential thread profile. | 05-14-2009 |
20100018626 | PNEUMATIC TIRE WITH A POLYKETONE CHIPPER AND/OR FLIPPER - A pneumatic tire includes an axis of rotation, a carcass, a tread, and a belt structure. The carcass has at least one reinforced ply and a reinforcing structure for absorbing shear strain. The tread is disposed radially outward of the carcass. The belt structure is disposed radially between the carcass and the tread. The reinforcing structure of the carcass comprises a fabric of cords. Each cord has at least one strand of twisted polyketone yarn. The twisted polyketone yarn has a linear density from 1570 dtex to 1770 dtex and a twist level from 3 TPI to 9 TPI. The cords have a twist level from 3 TPI to 9 TPI and a twist direction opposite to a twist direction of the polyketone yarns. | 01-28-2010 |
20100224302 | MOTORCYCLE TIRE FOR UNEVEN TERRAIN TRAVEL - A motorcycle tire for uneven terrain travel including two carcass plies, at least one of which is aramid ply | 09-09-2010 |
20100243122 | Tire for Heavy-Goods Vehicle - A tire comprising at least two working layers and at least one layer of circumferential reinforcing elements. The layer of circumferential reinforcing elements comprises at least a central part and two axially exterior parts, the elastic modulus of the rubber compound with which the circumferential reinforcing elements of the central part are coated being less than the modulus of the rubber compound with which the circumferential reinforcing elements of the axially exterior parts are coated. | 09-30-2010 |
20100252164 | PNEUMATIC TIRE - An of object of the present invention is to provide a pneumatic tire which exhibits improved durability of a bead portion due to further suppressing compression strain at a carcass ply fold-up portion and, in particular, suppressing fatigue fracture at the carcass ply fold-up portion. Cord distance between the carcass main body and the carcass ply fold-up portion gradually decreases from the bead core toward the outer side in the tire radial direction to reach the minimum value a, then gradually increases to the maximum value b; provided that height H | 10-07-2010 |
20100263781 | PNEUMATIC TIRE - To improve a carcass cord in the compressive fatigue resistance, while achieving an excellent steering stability. The carcass cord | 10-21-2010 |
20100294413 | Heavy Goods Vehicle Tire - A tire comprising a crown reinforcement formed from at least two working crown layers and from at least one layer of circumferential reinforcing elements positioned radially between two working crown layers, the working crown layers adjacent to the layer of circumferential reinforcing elements being on each side of the equatorial plane and in the axial continuation of the layer of circumferential reinforcing elements coupled over an axial width, in order thereafter to be decoupled. A first additional layer of polymer blend having a width at least equal to the width I of the coupling zone and having a maximum thickness of less than two times the thickness of the layer of circumferential reinforcing elements is positioned radially under the working crown layer radially adjacent to and inside the layer of circumferential reinforcing elements and is at least partially radially superposed on the coupling zone of the working crown layers. | 11-25-2010 |
20100314017 | PNEUMATIC TIRE - The present invention provides a pneumatic tire in which the structure of a bead portion is optimized to prevent strength of cords constituting a carcass from being deteriorated due to fatigue, so that durability of the bead portion can be improved. The pneumatic tire has a carcass ( | 12-16-2010 |
20100314018 | Heavy Goods Vehicle Tire - A tire with a crown reinforcement that comprises at least three plies of reinforcing elements. At least a first profiled element P | 12-16-2010 |
20100314019 | PNEUMATIC TIRE FOR MOTOCROSS - Deformation of a shoulder portion at the time of jumping and landing is suppressed, and acceleration after landing is improved. A pneumatic tire for motocross comprises a pair of rubber reinforcing layers | 12-16-2010 |
20110011510 | Vehicle Having Tires with Reinforced Sidewalls - A vehicle of motorcycle type comprising at least two axle systems each equipped with a mounted assembly consisting of a wheel and a tire. Each of the tires comprises, in each sidewall, at least one additional layer of reinforcing elements forming with the circumferential direction an angle of between 20° and 60°, the orientation of the reinforcing elements of the additional layer in a sidewall being symmetrical to the orientation of the reinforcing elements of the additional layer in the other sidewall in relation to the equatorial plane, the angle formed by the plane comprising a reinforcing element of an additional layer with a radial plane comprising the radially inner end of said reinforcing element being oriented in the direction of rotation of the mounted assembly corresponding to the forward movement of the vehicle in the rear tire and in the opposite direction in the front tire. | 01-20-2011 |
20110132516 | Reinforced Tire For Heavy Goods Vehicle | 06-09-2011 |
20110203713 | TIRE PAIR FOR MOTORCYCLE - A tire pair | 08-25-2011 |
20110253284 | PNEUMATIC TIRE - A pneumatic tire comprises a carcass composed of at least one carcass ply made of carcass cords arranged at a cord count E. Each of the carcass cords is composed of two strands final-twisted together. Each of the two strand is made of polyethylene terephthalate fibers first-twisted together. The polyethylene terephthalate fibers of the two strands has a linear density D of not more than 2200 dtex. The linear density D in dtex, the cord count E per 5 cm width of the carcass ply, a breaking strength S(N) of the carcass cord, and a Gurley stiffness B (mN) of the carcass cord satisfy conditional equations: E≦(−30.6 Ln D+307); B≧357/E; and s≧4161/E. | 10-20-2011 |
20110308689 | Tire Comprising Low Permeability Carcass Reinforcing Cables and Reduced Thicknesses of Rubber Compounds - The invention relates to a tire having a radial carcass reinforcement, consisting of at least one layer of metal reinforcing elements, said tire comprising a crown reinforcement, which is itself covered radially with a tread, said tread being joined to two beads via two sidewalls. | 12-22-2011 |
20110308690 | Vehicle Tire Comprising an Interrupted Carcass Reinforcement and a Tread Consisting of a Plurality of Compounds - The invention relates to a tire comprising a carcass type reinforcing structure and comprising under the tread strip a crown reinforcing structure consisting of at least two layers of reinforcing elements. | 12-22-2011 |
20110315296 | Tire Having Low-Permeability Carcass Reinforcement Cable, and Textile Cords Associated with the Carcass Reinforcement - A tire having a radial carcass reinforcement, comprised of at least one layer of metal reinforcing elements, said tire comprising a crown reinforcement, which is itself covered radially with a tread, said tread being joined to two beads via two sidewalls. The metal reinforcing elements of at least one layer of the carcass reinforcement are non-hooped cords having, in the permeability test, a flow rate of less than 20 cm | 12-29-2011 |
20120012238 | TIRE CARCASS INCLUDING STABILIZING FABRIC - A pneumatic tire carcass having at least one ply of stabilizing fabric. The stabilizing fabric has a machine direction and a cross machine direction. A plurality of high tenacity reinforcing yarn elements are disposed in the cross-machine direction. A plurality of machine direction yarn elements of relatively lower tenacity than the reinforcing yarn elements are disposed in the machine direction. A segment of the stabilizing fabric is disposed within the carcass with the machine direction yarn elements being in substantial alignment with the direction of tire rotation and with the cross-machine direction oriented radially relative to the direction of tire rotation. | 01-19-2012 |
20120037290 | AIRCRAFT TIRE - The present invention provides an aircraft tire having a carcass structure capable of sufficiently satisfying recent demands for high pressure resistance without increase in tire weight. An aircraft tire 9 includes a pair of bead portions 2 and a carcass 4 made by stacking two or more carcass layers 3 composed of cords coated with rubber, which toroidally extend between the bead portions 2. Further, with respect to carcass layers 3 of the carcass 4 which are adjacent to each other, elongation at break of a widthwise outer carcass layer 3 is smaller than elongation at break of a widthwise inner carcass layer 3. | 02-16-2012 |
20120043003 | RUBBER ARTICLE-REINFORCING STEEL CORD AND PNEUMATIC TIRE - Provided is a steel cord for reinforcing a rubber article, which has an improved durability against so-called cuts, such as notches and perforations, which are generated in the case of treading on an obtusely or sharply pointed projection, without decreasing the strength in the axial direction of the cord, and without increasing the thickness in the radial direction, namely without increasing the weight of a tire, as well as a tire using the steel cord for reinforcing a rubber article as a reinforcing material, especially a construction vehicle tire. Also provided is a steel cord for reinforcing rubber articles with a multi-twisted structure formed by twisting a plurality of sheath strands formed by twisting a plurality of wires around a core strand formed by twisting a plurality of wires, and the core strand being constituted of an at least three-layer-twisted structure formed by twisting core filaments and sheath filaments. The lowest tensile breaking strength of filament bs and the tensile breaking strength of steel cord Bc satisfy the relationship represented by the following formula: | 02-23-2012 |
20120085476 | PNEUMATIC TIRE WITH A WOVEN OR KNITTED BEAD REINFORCEMENT - A pneumatic tire has an axis of rotation. The pneumatic tire includes a carcass having at least one reinforced ply and a reinforcing structure proximal to a bead region of the pneumatic tire, a tread disposed radially outward of the carcass, and a belt structure disposed radially between the carcass and the tread. The reinforcing structure includes at least one layer of an open construction woven or knitted fabric having warp yarns extending in a circumferential direction and weft yarns of the carcass ply extending in a radial direction. | 04-12-2012 |
20120085477 | PNEUMATIC TIRE WITH A WOVEN OR KNITTED REINFORCEMENT - A pneumatic tire has an axis of rotation. The pneumatic tire includes a reinforced ply placed in a predetermined location on a toroidal surface, a tread disposed radially outward of the reinforced ply, and a belt structure disposed radially between the reinforced ply and the tread. The reinforced ply includes at least one layer of an open construction woven or knitted fabric having warp yarns extending in a circumferential direction and weft yarns extending in a radial direction. | 04-12-2012 |
20120118467 | TYRE FOR A MOTOR VEHICLE AND METHOD FOR CONTROLLING A MOTOR VEHICLE DURING A MANOEUVRE TO CHANGE DIRECTION AND/OR SPEED - A tire for a motorcycle having a transverse curvature ratio of at least 0.20 and a total height/width ratio of at least 0.5, includes a radial carcass including textile cords made from lyocell cellulose fibre. | 05-17-2012 |
20120125512 | Three-Layer Cord, Rubberized In Situ, For A Tire Carcass Reinforcement - Metal cord (C- | 05-24-2012 |
20120247639 | PNEUMATIC TIRE - Provided is a pneumatic tire whose safety factor and durability are improved without generating a problem of an increase in the weight of a tire and an increase in the inner surface cord protrusion failure. | 10-04-2012 |
20120267029 | METHOD OF INCREASING THE HIGH-SPEED PERFORMANCE OF A CARCASS STRUCTURE IN A TYRE FOR VEHICLE WHEELS AND TYRE FOR VEHICLE WHEELS - The present invention relates to a method of increasing the high-speed performance of a carcass structure in a tyre for vehicle wheels. The method includes: preparing at least one hybrid yarn ( | 10-25-2012 |
20120279629 | Three-Layered Metal Cable For Tire Carcass Reinforcement - The present invention relates to a three-layered metal cable of construction L+M+N usable as a reinforcing element for a tire carcass reinforcement, comprising an inner layer C | 11-08-2012 |
20120298279 | PNEUMATIC TIRE - A pneumatic tire including: a cylindrical annular structure; a rubber layer, which will become a tread portion, provided along a circumferential direction of the annular structure on an outer side of the annular structure; a carcass portion provided on at least both sides in a width direction of the cylindrical structure including the annular structure and the rubber layer; and an extending portion that extends from both sides in the width direction of the annular structure farther outward in the width direction than a ground contact edge on the outer side in the width direction of the tread portion, and that is provided in plurality on both sides in the width direction along the circumferential direction of the annular structure. | 11-29-2012 |
20120298280 | Tire Comprising Banded Carcass Reinforcement Cables - The invention relates to a tire having a radial carcass reinforcement, consisting of at least one layer of metal reinforcing elements, said tire including a top reinforcement, which is covered radially with a tread, said tread being joined to two beads via two sidewalls. According to the invention, the reinforcing elements of at least one carcass reinforcement layer are metal cables which, in the so-called permeability test, have a flow rate less than 20 cm | 11-29-2012 |
20120298281 | Three-Layered Metal Cable For Tire Carcass Reinforcement - The present invention relates to a three-layered metal cable of construction L+M+N usable as a reinforcing element for a tire carcass reinforcement, comprising an inner layer C | 11-29-2012 |
20120312443 | Tire Comprising a Carcass Reinforcement Consisting of Cables and Capillary Tubes - A tire having a radial carcass reinforcement, having at least one layer of reinforcing elements, said tire comprising a crown reinforcement, which is itself covered radially with a tread, said tread being joined to two beads via two sidewalls, wherein at least 90% of the reinforcing elements of at least one layer of the carcass reinforcement are non-wrapped metal cords having in what is called the permeability test a flow rate of less than 20 cm | 12-13-2012 |
20120312444 | Tire Comprising Hybrid Carcass Reinforcement Cables - A tire having a radial carcass reinforcement, including at least one layer of reinforcing elements, said tire comprising a crown reinforcement, which is itself covered radially with a tread, said tread being joined to two beads via two sidewalls. The reinforcing elements of at least one layer of the carcass reinforcement are hybrid cords having at least two layers. At least one strand of the core of each of said hybrid cords includes textile multifilament yarns. The strands of the intermediate and/or outer layers are metallic, and at least one inner layer is sheathed with a layer including a polymeric composition such as a crosslinkable or crosslinked rubber composition. | 12-13-2012 |
20120318428 | Tire Comprising Carcass Reinforcement Cables Having Different Degrees of Permeability - A tire having a radial carcass reinforcement, including at least one layer of reinforcing elements, said tire comprising a crown reinforcement, which is itself covered radially with a tread, said tread being joined to two beads via two sidewalls, wherein at least 85% of the reinforcing elements of at least one layer of the carcass reinforcement are non-wrapped metal cords having in what is called the permeability test a flow rate of less than 20 cm3/min, and in that at least 5% of the reinforcing elements of said at least one layer of the carcass reinforcement are cords comprising at least one strand consisting of textile multifilament yarns. | 12-20-2012 |
20130025763 | PNEUMATIC TIRE - Disclosed is a pneumatic tire comprising (A) reinforcing layer comprising a plurality of reinforcing cords or wires coated with a rubber composition, wherein (B) a film layer, (C) an elastomer layer, and (D) a film layer comprising ethylene-vinyl alcohol copolymer are sequentially laminated on the tire inner surface side of reinforcing layer (A), and the product of Young's modulus Eb (MPa) and thickness Gb (mm) of film layer (B) is equal to or more than 5 kN/m, wherein the reinforcing layer having improved durability. | 01-31-2013 |
20130186543 | Tire for Heavy Vehicles, Comprising a Layer of Circumferential Reinforcing Elements Consisting of a Central Part and Two Axially External Parts - The invention relates to a tyre comprising at least two working layers ( | 07-25-2013 |
20130199691 | TIRE COMPRISING A PROTECTIVE REINFORCEMENT - The invention relates to a tire with a radial carcass reinforcement comprising a crown reinforcement, itself radially capped with a tread, the said tread being connected to two beads via two sidewalls. | 08-08-2013 |
20130263994 | PNEUMATIC RADIAL TIRE - Provide is a pneumatic radial tire having excellent durability and lightweight properties without compromising rigidity. | 10-10-2013 |
20140110035 | PNEUMATIC TIRE - Provided is a pneumatic tire in which basic performances needed for a side portion can be satisfied without compromising a light weight effect due to decrease in the gauge of the side portion. | 04-24-2014 |
20140360648 | HYBRID CORD FOR A PNEUMATIC TIRE - A pneumatic tire includes a single carcass ply and at least one belt ply disposed radially outward of the carcass ply in a crown portion of the pneumatic tire. The carcass ply includes only one type of composite cord. The cord consists of one single aramid first yarn twisted helically about one single polyester second yarn. The first yarn and the second yarn have a different moduli of elasticity. The first yarn has a modulus greater than the modulus of the second yarn. | 12-11-2014 |
20150096658 | TIRE COMPRISING A WIDENED TREAD - A tire with a radial carcass reinforcement, wherein the ratio of the axial width L of the tread to the maximum axial width S of the tire is strictly greater than 0.85 and the reinforcing elements of at least one layer of the carcass reinforcement are non-wrapped metal cords with saturated layers, at least one inner layer being sheathed with a layer made up of a polymeric composition such as a composition of non-crosslinkable, crosslinkable or crosslinked rubber, preferably based on at least one diene elastomer. | 04-09-2015 |
20150114541 | TIRE COMPRISING A CARCASS REINFORCEMENT OF WHICH THE REINFORCING ELEMENTS ARE HIGHLY PENETRATED - A tire with a radial carcass reinforcement, wherein the reinforcing elements of at least one layer of the carcass reinforcement are non-wrapped three-layered metal cords with an unsaturated external layer which in what is referred to as the permeability test return a mean flow rate less than 4 cm | 04-30-2015 |
20150122395 | Tyre for motorcycles - A tyre for motorcycles includes a carcass structure, a belt structure arranged in a radially outer position with respect to the carcass structure and a tread band arranged in a radially outer position with respect to the belt structure. The belt structure is of the zero degree type and includes at least one reinforcing cord including a core made of non metal material, and a plurality of metal wires substantially parallel to one another and helically wound around the core with a predetermined winding pitch. The metal wires are in such a number as to not completely surround the core. In particular, the metal wires are arranged around the core so that, in any cross-section of the reinforcing cord, they are located at just an angular portion of an ideal circumference that circumscribes the core. | 05-07-2015 |
20150129101 | CORD, RUBBER-CORD COMPOSITE STRUCTURE, AND TIRE - An object of the present invention aims to provide a cord formed by twisting purified polysaccharide fibers which are manufactured by using a raw material with a low environmental impact and do not emit carbon disulfide, in which the cord is able to confer durability and resistance to external damage to a tire when the cord is used in the tire. A cord is provided formed by bringing a polysaccharide solution which is formed by dissolving a polysaccharide raw material in a liquid including an ionic liquid in contact with a solidifying liquid, and by twisting raw yarn which is purified polysaccharide fibers formed by spinning polysaccharides, in which a relationship between tenacity TB (cN/dtex) of the raw yarn at 25° C. and elongation at break EB (%) of the raw yarn at 25° C. satisfies the following expression (1) and the following expression (2), and a twisted yarn tenacity utilization rate (CT/TB) at the time of setting cord tenacity at 25° C. to CT (cN/dtex) when the raw yarn is twisted to be a cord is greater than or equal to 70%. | 05-14-2015 |
20160167435 | PNEUMATIC TYRE | 06-16-2016 |