NITTA CORPORATION Patent applications |
Patent application number | Title | Published |
20160119978 | WATERPROOFING STRUCTURE FOR LINEAR MEMBER - A lead wire is electrically connected to an electric power source. A wire heater is supplied with electric power through the lead wire to generate heat. An insertion hole is formed in a housing. The lead wire and the wire heater are connected by a caulked member and fixed to each other, while aligning the tips of the lead wire and the wire heater in the same direction. The lead wire and the wire heater, connected by the caulked member, are fixed in the insertion hole with being inserted from the inlet portion of the insertion hole toward the end portion of the insertion hole. Sealing resin is injected into the insertion hole from an injection hole formed in the end portion, and filled therein. | 04-28-2016 |
20160068727 | THERMOSENSITIVE ADHESIVE - A thermosensitive adhesive contains a side chain crystal polymer having a melting point of 20-30° C., and a tackifier. The side chain crystal polymer is obtainable by adding a metal chelate compound in the following amount of addition (A) into the following copolymer, followed by a crosslinking reaction. Adhesive strength is to be deteriorated at a temperature below the melting point. The copolymer is obtainable by polymerizing 25-30 parts by weight of (meth)acrylate having a straight-chain alkyl group having 16 to 22 carbon atoms, 60-65 parts by weight of (meth)acrylate having an alkyl group having 1 to 6 carbon atoms, 1-10 parts by weight of a polar monomer, and 1-10 parts by weight of a reactive fluorine compound. The amount of addition (A) is 3-10 parts by weight with respect to 100 parts by weight of a copolymer. | 03-10-2016 |
20140137523 | INERTIAL FILTER - An inertial filter to be disposed in the air flow path of a stream of air containing nanoparticles includes plural particle classifying sheets having plural mesh-like holes are disposed in the air flow path. The plural particle classifying sheets are stacked on each other in a manner that a part of at least one of the particle classifying sheets overlaps with the other particle classifying sheet. The inertial filter can adjust a classification diameter by adjusting a shadow area ratio on a projection view obtained by virtually projecting the plural particle classifying sheets from a downstream side to an upstream side of the air flow path. | 05-22-2014 |
20140018501 | BELT - In the belt according to the present invention, the whole or a part of a belt body is formed from a thermoplastic resin composition (C) comprising a thermoplastic resin (A) and a modified ethylene copolymer (B) dispersed and contained therein. The modified ethylene copolymer (B) is preferably a copolymer, modified with an unsaturated carboxylic acid or a derivative thereof, of ethylene with at least one monomer component selected from (i) olefin components except for ethylene, (ii) diene components and (iii) ester components having an ethylenically unsaturated group. The belt according to the present invention hardly causes abrasion, damage, cracks, breakage and the like on the belt body and is remarkably excellent in durability, even if the belt is used at a high load for a long time. | 01-16-2014 |
20140017429 | THERMOPLASTIC RESIN COMPOSITION HAVING HIGH DURABILITY - The thermoplastic resin composition according to the present invention includes a thermoplastic resin (A), and a modified ethylene copolymer (B) dispersed and contained therein, wherein the modified ethylene copolymer (B) in the thermoplastic resin composition has an average dispersed particle aspect ratio of 1 to 3.5, and an average dispersed particle diameter of not more than 3 μm. The modified ethylene copolymer (B) is preferably a copolymer, modified with an unsaturated carboxylic acid or a derivative thereof, of ethylene with at least one monomer component selected from the group consisting of (i) olefin components except for ethylene, (ii) diene components and (iii) ester components having an ethylenically unsaturated group. | 01-16-2014 |
20130126079 | ACRYLATE BASED ADHESIVE COMPOSITION FOR OPTICAL USE, ACRYLATE BASED ADHESIVE SHEET FOR OPTICAL USE, AND METHOD FOR SEPARATING OPTICAL COMPONENT USING THE SAME - Disclosed is an acrylate based adhesive composition for optical use that includes: a copolymer prepared by polymerizing an alkyl(meth)acrylate (wherein the alkyl is a C16 to C22 linear alkyl group) in an amount of about 1 to about 10 parts by weight, an alkyl(meth)acrylate (wherein the alkyl is a C1 to C12 alkyl group) in an amount of about 70 to about 98 parts by weight, and a polar monomer in an amount of about 1 to about 20 parts by weight; and a cross-linking agent. The cross-linking agent is included in an amount of about 0.5 to 5 parts by weight based on 100 parts by weight of the copolymer. | 05-23-2013 |
20130086876 | INERTIAL FILTER AND PARTICLE CLASSIFICATION APPARATUS - An inertial filter is placed in a fluid flow path and equipped with a particle classifying sheet having a plurality of particle classifying holes uniformly arranged. The particle classifying sheet has a sheet area larger than a fluid passage area at a site where the sheet is placed. A part of the sheet is provided in the form of a partition wall dividing the fluid flow path in two sections in a fluid passage direction to allow for classification of particles. | 04-11-2013 |
20130075234 | PAPER SHEET CONVEYING ROLLER - A paper sheet conveying roller is constructed with a roller body ( | 03-28-2013 |
20120217740 | CONNECTION-STRUCTURE OF A FLEXIBLE TUBE - A connection-structure of a flexible tube, in which the flexible tube is fitted to an end portion of a metal pipe, comprises an annular projection, a first radially enlarged portion, a seal ring and a second radially enlarged portion. The annular projection is formed on an outer surface of the end portion of the metal pipe. The first radially enlarged portion is formed on the tip side of the metal pipe relative to the projection, defining a first annular groove with the projection. The seal ring is fitted into the annular groove. The second enlarged portion is formed on the base side of the metal pipe relative to the projection, defining a second annular groove with the projection. The tip portion of the flexible tube is positioned close to the maximum diameter portion of the second enlarged portion. | 08-30-2012 |
20120172570 | AROMATIC POLYESTER - The present invention provides an aromatic polyester which is substantially free from the occurrence of coloration and retains significantly high transparency even after being thermally processed at high temperature and which has high flowability. The aromatic polyester contains a polyhydric phenol residue and a residue of any one of aromatic polycarboxylic acid, halide thereof, and anhydride thereof, and terminals of the aromatic polyester have a structure represented by the formula —C(O)—R. The aromatic polyester has an end-capping rate of 90% or higher and a weight average molecular weight (Mw) ranging from 3,000 to 1,000,000. | 07-05-2012 |
20110314982 | SHEET CUTTER AND BELT PROCESSING TOOL - A sheet cutter applied to a belt processing tool or the like is provided. The belt processing tool includes a mounting table | 12-29-2011 |
20110241836 | Information storage medium, object of management and management system - An information storage medium, a managed product and a management system in which the possible communication distance of an IC tag for wireless communication can be improved and the reading direction limitation can be reduced are provided. The information storage medium includes a wireless IC tag in which information is stored, a sheet body including a first spacer, an auxiliary antenna and a second spacer, and an elongated member formed of a conductive material. The elongated member is provided to be opposite to the wireless IC tag with respect to the sheet body. As the elongated member, for example, a part of a tool such as a body portion of a screwdriver can be used. | 10-06-2011 |
20110180609 | WIRELESS COMMUNICATION IMPROVING SHEET BODY, IC TAG FOR WIRELESS COMMUNICATION AND METHOD OF MANUFACTURING THE SAME INFORMATION TRANSMITTING MEDIUM AND WIRELESS COMMUNICATION SYSTEM - A first spacer has an arrangement surface on which a wireless IC tag is arranged, and an auxiliary antenna that resonates with electromagnetic wave used for wireless communication is provided on a surface opposite to the arrangement surface of the first spacer. A second spacer is provided opposite to the first spacer with the auxiliary antenna interposed therebetween. The first spacer and the auxiliary antenna are provided with a groove (opening) as an adjuster for resonance frequency so that the second spacer forms a bottom of the groove. Application to a plurality of communication frequencies is made possible by changing an arrangement position of the wireless IC tag with respect to the adjuster. | 07-28-2011 |
20110149617 | AC/AC CONVERSION POWER SUPPLY DEVICE - Provided is an AC/AC conversion power supply device including: n(n≧2) rectification circuits (D | 06-23-2011 |
20110131944 | FALSE-TWIST BELT - Two false-twist belts are each entrained about crowned pulleys. The belts are arranged so that their outer-facing surfaces cross one another with one belt pressed against the other. Yarn is passed between these false-twist belts and twisted. The bending rigidity in the lateral direction of the false-twist belts is set to a value in which the outer-facing surfaces of the false-twist belts are rounded into a convex curvature at the position where the belts are pressed against each other. | 06-09-2011 |
20110126987 | OPTICAL FIBER WIRING APPARATUS - An optical fiber wiring apparatus provides an optical fiber on a sheet having a surface on which an adhesive layer is formed, and includes a bobbin on which the optical fiber is wound, a guide member, and a wiring roller. The guide member has a groove portion which guides the optical fiber drawn from the bobbin to the surface of the adhesive layer. The wiring roller is rotatable about an axis which is in parallel to the sheet and orthogonal to the length of the groove portion. The wiring roller presses the optical fiber guided by the groove portion onto the adhesive layer. | 06-02-2011 |
20110031739 | CONNECTION-STATE CHECK TOOL USED FOR ASSEMBLING A PIPE COUPLING - A connection-state check tool is used for assembling a pipe coupling having a connection pipe and a coupling member. The connection-state check tool comprises a pair of arms and a frame-shaped handle. The pair of arms has claws that can clamp down on the coupling member, and are engageable with the connecting pipe. The frame-shaped handle is connected to the arms. The handle has a split at a position opposite to the arms. The handle has elasticity, due to which the split can expand. | 02-10-2011 |
20100134236 | SENSOR SHEET - The body pressure distribution sensor sheet includes a first sheet, a second sheet, and a plurality of pressure-sensitive regions interposing between the first sheet and the second sheet. The pressure-sensitive regions are arranged in two directions, i.e., a lengthwise direction and a transverse direction to form a matrix. A first opening, a second opening, and a cut line are formed in an area between a pair of pressure-sensitive regions and adjacent to each other in a first oblique direction. The shape of the first opening is defined by a plurality of borders including a border and a border. The border extends from one end of the cut line in the transverse direction, and the border extends from the one end of the cut line in the lengthwise direction. The shape of the second opening is defined by a plurality of borders including a border and a border. The border extends from the other end of the cut line in the transverse direction, and the border extends from the other end of the cut line in the lengthwise direction. | 06-03-2010 |
20100101358 | SWIVEL JOINT - A swivel joint that is placed between a working device and a forwardly/reversely rotatable wrist section provided on a body section of an industrial robot and has a fluid transmission route for interconnecting the wrist section side and the working device side. The fluid transmission route is a hose, and between the wrist section and the working device, the hose is loosely spirally wound with a margin around a shaft section that rotates together with the wrist section. One end of the hose is non-rotatably fixed to the shaft section, and the other end is fixed so as to be movable with movement of the shaft section. | 04-29-2010 |
20100065404 | CURVED BELT - The inventive curved belt includes first electrically conductive members provided to belt fabric in a first direction and second electrically conductive members provided to the belt fabric in a second direction that intersects the first direction. Static electricity accumulated in the curved belt is eliminated throughout the curved belt by the first and second electrically conductive members. | 03-18-2010 |
20100063239 | POLYIMIDE RESIN - A polyimide resin represented by the following general formula (I): | 03-11-2010 |
20100021729 | METHOD FOR PRODUCING JOINED BELT - A flat belt | 01-28-2010 |
20100000327 | STRAIN GAUGE TYPE SENSOR - A strain gauge type sensor of the present invention has: a first flange having four flexible portions; and a second flange which is disposed so as to face the first flange and has four flexible portions. A connection member formed at a central portion of each flexible portion of the first flange is connected to a corresponding connection member formed at a central portion of each flexible portion of the second flange. On the under surface of the first flange fixed are groups of strain gauges. The strain gauges of each group are arranged in a line. Sets each containing: four strain gauges arranged in a line; a flexible portion of the first flange; a flexible portion of the second flange; and connection members, are disposed at intervals of 90 degrees about a Z-axis and at a same distance from the Z-axis. | 01-07-2010 |
20090314614 | BELT RETENTION GUIDE - The invention relates to a belt retention guide for retaining the position of a belt having beads along its peripheral edge. The belt retention guide comprises a first roller, a movable portion, and a fixing portion. The first roller engages with the beads and retains the position of the beads. The movable portion supports the first roller and the fixing portion engages with the movable portion. The beads are pinched between the first roller and the fixing portion, thereby retaining the position of the belt. The movable portion is configured to be movable between a fixed position where the first roller engages with the beads to pinch them, and a released position where the first roller is separated from the beads to release them. The movable portion is secured in the fixed position by insertion of a stop member through or between the movable portion and the fixing portion. | 12-24-2009 |
20090279925 | BELT FOR IMAGE FORMING APPARATUS - A belt for an image forming apparatus having at least an elastic layer on a substrate composed of polyimide resin. The elastic layer is composed of an imide-modified elastomer. This enables the belt for an image forming apparatus achieving high image quality, high speed printing and excellent durability. The imide-modified elastomer is preferably an imide-modified polyurethane elastomer. The storage elastic modulus E′ at 50° C. of the imide-modified elastomer is preferably in the range of 1.0×10 | 11-12-2009 |
20090240019 | IMIDE-MODIFIED ELASTOMER - An imide-modified elastomer represented by the following general formula (I): | 09-24-2009 |
20090201031 | CAPACITANCE TYPE SENSOR - A capacitance type sensor good in operability and less in erroneous operation is provided. Switches SW | 08-13-2009 |
20090106905 | Air Mattress Device and Its Use - There is realized a configuration in which, even when pressure is concentrated, the pressure can be adjusted based on accurate and precise detection of pressure distribution, thereby providing sleeping comfort. | 04-30-2009 |
20090051371 | CAPACITANCE TYPE SENSOR - A capacitance type sensor good in operability and less in erroneous operation is provided. Switches SW | 02-26-2009 |
20090007696 | Strain gauge type sensor - On a strain generation body | 01-08-2009 |
20080257599 | Electromagnetic Wave Absorber - A conductive pattern basically has a substantially polygonal outline shape which is a polygon and can have a high peak value of the electromagnetic wave absorption amount as compared to a case when the conductive pattern has a circular outline shape. Thus, the conductive pattern is basically a polygon and at least one corner portion is shaped in curve. This reduces or even minimizes the shift of the frequency at which the absorption amount becomes a peak value by the polarization direction of the electromagnetic wave. Accordingly, in at least one embodiment, it is possible to realize an electromagnetic absorber having an excellent electromagnetic wave absorption characteristic exhibiting a high peak value of the absorption amount of the electromagnetic wave and a small shift of frequency at which the absorption amount becomes a peak value by the polarization direction of the electromagnetic wave. | 10-23-2008 |
20080257060 | Tension measuring apparatus - In a tension measuring apparatus, two fixed electrodes ( | 10-23-2008 |
20080243975 | Sensor driving circuit - A sensor driving circuit includes a shift circuit that outputs clock signals the high level period of each of which is limited to a predetermined period in one pulse period and whose high level periods are shifted by one pulse period from each other, to respective capacitance elements each of which changes in the distance of its electrodes to change its capacitance value in accordance with the magnitude of a force or moment. The circuit further includes addition signal outputting sections that output addition signals having their duty ratios corresponding to the capacitance values of the respective capacitance elements; and subtraction signal outputting sections that receive as their inputs the addition signals output from the addition signal outputting sections, and output subtraction signals in which the high and low levels are inverted only during the pulse periods including the high level periods of the respective addition signals. | 10-02-2008 |