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公开(公告)号：US20230271459A1
公开(公告)日：2023-08-31
申请号：US18002885
申请日：2021-06-22
发明人： Yuki NAGAHASHI , Masahiro NARUSE
CPC分类号： B60C15/0603 , B60C19/00
摘要： Included in a pneumatic tire are a tread extending in a circumferential direction and having an annular shape, sidewalls disposed on both sides of the tread, and beads disposed on an inner side of the sidewalls in a radial direction. A bead filler is disposed on an outer circumference of a bead core of each of the beads, a carcass layer is mounted between the beads, a reinforcing layer formed of an organic fiber cord is adjacent to an outer side of the bead filler in a width direction, a height of an upper end of the reinforcing layer is equal to or greater than a height of an upper end of the bead filler, and a transponderis between a position of an outer side in the radial direction by 15 mm from an upper end of the bead core and the upper end of the reinforcing layer.
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公开(公告)号：US20230158841A1
公开(公告)日：2023-05-25
申请号：US17929018
申请日：2021-02-12
发明人： Masahiro NARUSE
CPC分类号： B60C23/0433 , B60C15/06 , B60C2009/0276
摘要： In a pneumatic tire with a carcass layer mounted between a pair of bead portions, a transponder is embedded in an outer side of the carcass layer in the tire width direction, a rubber member having the largest storage modulus at 20° C. of rubber members located on an outer side of the transponder in the tire width direction has a modulus M50out(0° C.) during 50% deformation at 0° C. and a modulus M50out(−20° C.) during 50% deformation at −20° C. that satisfy a relationship 0.50≤M50out(0° C.)/M50out(−20° C.)
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公开(公告)号：US20230001750A1
公开(公告)日：2023-01-05
申请号：US17756300
申请日：2020-11-25
发明人： Yuki NAGAHASHI , Masahiro NARUSE
IPC分类号： B60C19/00
摘要： A pneumatic tire is provided that enables communication performance and scratch resistance of a transponder to be improved, A transponder (20) that extends along a tire circumferential direction is embedded between a carcass layer (4) and an innerliner layer, and the transponder (20) is disposed between a position (P1) located on an outer side of and 15 mm away from an upper end (5e) of a bead core (5) in a tire radial direction and a position (P2) located on an inner side of and 5 mm away from an end (7e) of a belt layer (7)in the tire radial direction.
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公开(公告)号：US20230202244A1
公开(公告)日：2023-06-29
申请号：US17999654
申请日：2021-05-11
发明人： Masahiro NARUSE , Yuki NAGAHASHI
摘要： Provided is a pneumatic tire that can provide improved communication performance of a transponder while ensuring durability of the tire. In a pneumatic tire including a tread portion extending in a tire circumferential direction and having an annular shape, a pair of sidewall portions respectively disposed on both sides of the tread portion, and a pair of bead portions each disposed on an inner side of the pair of sidewall portions in a tire radial direction, a transponder is embedded in one of the sidewall portions, the transponder is covered with a coating layer, a relative dielectric constant of the coating layer is lower than a relative dielectric constant of a peripheral rubber member adjacent to the coating layer, and a total thickness Gac of the coating layer and a maximum thickness Gar of the transponder satisfy a relationship 1.1≤Gac/Gar≤3.0.
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公开(公告)号：US20230081018A1
公开(公告)日：2023-03-16
申请号：US17759419
申请日：2021-01-15
发明人： Masahiro NARUSE , Jun MATSUDA , Heishiro FUDO , Eiji SHINOHARA , Shinya ICHISE , Hiroyuki TOBARI , Yuki ONO
摘要： A wear state detection device includes an element configured to generate voltage based on deformation of a tread portion during tire rotation, a voltage detection unit configured to detect the voltage generated by the element, a speed detection unit configured to detect vehicle speed or tire rotation speed, a storage area configured to store waveform data over time of the voltage detected by the voltage detection unit together with the vehicle speed or the tire rotation speed detected by the speed detection unit, a calculation unit configured to calculate frequency of exceedance of a predetermined threshold value based on the waveform data in a predetermined speed range and a predetermined time period stored in the storage area, and a determination unit configured to determine a progress condition of wear of the tread portion based on the frequency of exceedance of the predetermined threshold value calculated by the calculation unit.
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公开(公告)号：US20160185054A1
公开(公告)日：2016-06-30
申请号：US14910865
申请日：2014-08-07
发明人： Masahiro NARUSE
IPC分类号： B29C73/16
CPC分类号： B29C73/163 , C08L7/02 , C08L33/064
摘要： An object of the present invention is to provide a tire puncture sealant having excellent low-temperature injection performance and sealing performance. The tire puncture sealant of the present invention contains a natural rubber latex (A); and a vinyl versatate copolymer resin emulsion (B), the vinyl versatate copolymer resin emulsion being an emulsion of a vinyl versatate copolymer resin (b1) containing vinyl versatate and an unsaturated organic acid as monomer units.
摘要翻译： 本发明的目的是提供一种具有优异的低温注射性能和密封性能的轮胎穿刺密封剂。 本发明的轮胎穿刺密封剂含有天然橡胶胶乳（A）; 和叔碳酸乙烯酯共聚物树脂乳液（B），所述叔碳酸乙烯酯共聚物树脂乳液是含有叔碳酸乙烯酯和不饱和有机酸作为单体单元的叔碳酸共聚物树脂（b1）的乳液。
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公开(公告)号：US20230112786A1
公开(公告)日：2023-04-13
申请号：US17904068
申请日：2021-02-12
发明人： Masahiro NARUSE
摘要： A pneumatic tire includes: a tread portion extending in a tire circumferential direction and having an annular shape; a pair of sidewall portions disposed on both sides of the tread portion; and a pair of bead portions disposed on an inner side in a tire radial direction of the sidewall portions. The tire is embedded with a transponder covered with a covering layer. The secant modulus of elasticity at 10% deformation at 20° C. of the covering layer is in a range of from 0.5 MPa to 5.0 MP a.
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公开(公告)号：US20230083074A1
公开(公告)日：2023-03-16
申请号：US17904125
申请日：2021-02-12
发明人： Masahiro NARUSE
摘要： Provided is a pneumatic tire. A transponder is embedded on an outer side in a tire width direction of a carcass layer, and the tan δout (−20° C.) at −20° C. of a rubber member having the largest storage modulus at 20° C. of rubber members located on the outer side in the tire width direction of the transponder is in the range of from 0.1 to 0.7. Further, the transponder is embedded on the outer side in the tire width direction of the carcass layer, and the tan δin (−20° C.) at −20° C. of a rubber member having the largest storage modulus at 20° C. of rubber members located on an inner side in the tire width direction of the transponder is in the range of from 0.1 to 0.7.
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公开(公告)号：US20200086594A1
公开(公告)日：2020-03-19
申请号：US16316148
申请日：2017-07-24
发明人： Takahiro OKAMATSU , Masahiro NARUSE
IPC分类号： B29C73/16 , C08L7/02 , C08L23/08 , C08L31/04 , C08L83/04 , C08K5/053 , C08K5/17 , C08K5/06 , B29C73/02
摘要： An object of the present invention is to provide a tire sealant and a tire repair kit that exhibit excellent injectability. Provided is a tire sealant including a natural rubber latex, a synthetic resin emulsion, an anti-freezing agent, a surfactant, and a chelating agent, wherein the content of the chelating agent is 0.1 mass % or greater.
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公开(公告)号：US20170165929A1
公开(公告)日：2017-06-15
申请号：US15116921
申请日：2015-02-13
CPC分类号： B29C73/163 , B01F17/005 , B29K2003/00 , B29K2077/00 , B29L2030/00 , C08C1/15
摘要： An object of the present invention is to provide an emulsion coagulant having excellent coagulation performance and a tire puncture repair kit that uses the emulsion coagulant. The emulsion coagulant of the present invention is an emulsion coagulant containing an α-starch and an anionic polyacrylamide; a molecular weight of the anionic polyacrylamide being from 500,000 to 2,000,000; and a mass ratio (WA:WB) of a content (WA) of the α-starch to a content (WB) of the anionic polyacrylamide being from 5:95 to 80:20.
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