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19 条记录 (耗时 0.02 秒)

    HOSE FOR CONVEYING REFRIGERANT
    2.
    发明公开
    HOSE FOR CONVEYING REFRIGERANT 审中-公开

    公开(公告)号：US20240309974A1

    公开(公告)日：2024-09-19

    申请号：US18576417

    申请日：2022-05-31

    申请人： THE YOKOHAMA RUBBER CO., LTD.

    发明人： Tomohide SAITA ,  Kenta WAKABAYASHI ,  Shun SATO

    IPC分类号： F16L11/08 ,  F25B41/40

    CPC分类号： F16L11/082 ,  F16L11/085 ,  F25B41/40

    摘要： A hose for conveying a refrigerant, having an inner surface layer that includes a thermoplastic resin composition with a sea-island structure or a thermoplastic resin, an outer surface layer that includes a thermoplastic resin composition having a sea-island structure, and a reinforcing layer. An oxygen permeability coefficient at a temperature of 21° C. and a relative humidity of 50% of the thermoplastic resin composition or the thermoplastic resin of the inner surface layer is 0.05 cm3·mm/(m2·day·mmHg) or less. A water vapor permeability coefficient at a temperature of 60° C. and a relative humidity of 100% of the thermoplastic resin composition of the outer surface layer being is 10.0 g·mm/(m2·24 h) or less. The reinforcing layer includes an organic fiber with an inclination angle of 49° or more and 61° or less.

    INNER LINER, LAYERED BODY, AND PNEUMATIC TIRE
    4.
    发明申请
    INNER LINER, LAYERED BODY, AND PNEUMATIC TIRE 有权

    公开(公告)号：US20220274442A1

    公开(公告)日：2022-09-01

    申请号：US17637878

    申请日：2020-08-24

    申请人： THE YOKOHAMA RUBBER CO., LTD.

    发明人： Shun SATO ,  Shusaku TOMOI

    IPC分类号： B60C1/00 ,  B60C5/14 ,  C08L21/00 ,  C08L9/00

    摘要： Provided is an inner liner which adheres to the carcass or other rubber composition layer of a tire, even during low-temperature vulcanization on the order of 160° C., without using an adhesive or an adhesive tie gum. The invention provides a pneumatic tire inner liner comprising a thermoplastic elastomer composition, characterized in that the thermoplastic elastomer composition includes a thermoplastic resin (a11) having a melting point of 180° C. or lower, or a thermoplastic elastomer (a12) having a melting point of 180° C. or lower and including no residue containing an unsaturated bond derived from a conjugated diene compound, and an elastomer (a2) including a residue containing an unsaturated bond derived from a conjugated diene compound, and the tensile elongation at break of the thermoplastic elastomer composition at 25° C. temperature and 500 mm/min pull speed is 100% or greater.

    TIRE
    5.
    发明申请
    TIRE 有权

    公开(公告)号：US20210339570A1

    公开(公告)日：2021-11-04

    申请号：US17239805

    申请日：2021-04-26

    申请人： The Yokohama Rubber Co., LTD.

    发明人： Shun SATO

    IPC分类号： B60C11/03 ,  B60C11/13

    摘要： In a tire including a block having an edge along a main groove closer to an equatorial plane and a block having an edge along a main groove farther from the equatorial plane, the angles between an imaginary line extending a ridge line formed by a bend point of a groove wall on the edge side of the main groove and imaginary lines extending each of edges adjacent in a circumferential direction with the edge interposed therebetween are an acute angle (θa) and an obtuse angle (θb), and the angles between an imaginary line extending a ridge line formed by a bend point of a groove wall on the edge side of the main groove and imaginary lines extending each of edges adjacent in the circumferential direction with the edge interposed therebetween are an acute angle (θc) and an obtuse angle (θd), with a relationship (θd−θc)

    RUBBER COMPOSITION AND PNEUMATIC TIRE INCLUDING THE SAME
    6.
    发明申请
    RUBBER COMPOSITION AND PNEUMATIC TIRE INCLUDING THE SAME 审中-公开

    公开(公告)号：US20170158846A1

    公开(公告)日：2017-06-08

    申请号：US15320894

    申请日：2015-06-24

    申请人： THE YOKOHAMA RUBBER CO., LTD.

    发明人： Yusuke TANABE ,  Shun SATO

    IPC分类号： C08L9/08 ,  C08L9/00 ,  B60C1/00

    摘要： A rubber composition includes a diene rubber (A), a silica (B), a silane coupling agent (C), and an acid-modified polyolefin (D); the diene rubber (A) containing not less than 30 mass % of an aromatic vinyl-conjugated diene copolymer rubber; the acid-modified polyolefin (D) having at least one type of repeating unit selected from the group consisting of propylene, 1-butene, and 1-octene; a content of the silica (B) being from 5 to 150 parts by mass per 100 parts by mass of the diene rubber (A); and a total content of the silane coupling agent (C) and the acid-modified polyolefin being from 5 to 30 parts by mass per 100 parts by mass of the diene rubber (A). Such rubber composition is capable of achieving both excellent vulcanization properties and low heat build-up. A pneumatic tire includes such rubber composition.

    HOSE FOR TRANSPORTATION OF REFRIGERANT
    9.
    发明申请
    HOSE FOR TRANSPORTATION OF REFRIGERANT 有权

    公开(公告)号：US20230055055A1

    公开(公告)日：2023-02-23

    申请号：US17759494

    申请日：2020-12-17

    申请人： The Yokohama Rubber Co., LTD.

    发明人： Kenta WAKABAYASHI ,  Shusaku TOMOI ,  Shun SATO

    IPC分类号： F16L11/08 ,  C08L77/06

    摘要： A hose for transportation of refrigerant includes an inner layer, a reinforcing layer, and an outer layer. The inner and outer layers each include a thermoplastic resin composition having a sea-island structure including a matrix containing a thermoplastic resin and a domain containing an elastomer. A water vapor permeability coefficient of the thermoplastic resin composition of the outer layer at a temperature of 60° C. and a relative humidity of 100% is 10.0 g·mm/(m2·24 h) or less. An oxygen permeability coefficient of the thermoplastic resin composition of the inner layer at a temperature of 21° C. and a relative humidity of 50% is 0.05 cm3 mm/(m2·day·mmHg) or less. A water vapor permeation amount of the hose is 6.0 mg/(240 h·cm2) or less. A hydrofluoroolefin HFO-1234yf permeation amount of the hose is 170 g/(m2·72 h) or less, and the mass per 1 m2 of the outer surface area of the hose is 3000 g/m2 or less.

    TIRE INNER LINER AND PNEUMATIC TIRE
    10.
    发明申请
    TIRE INNER LINER AND PNEUMATIC TIRE 有权

    公开(公告)号：US20210347973A1

    公开(公告)日：2021-11-11

    申请号：US17278074

    申请日：2019-09-20

    申请人： THE YOKOHAMA RUBBER CO., LTD. ,  MITSUBISHI CHEMICAL CORPORATION

    发明人： Shun SATO ,  Shusaku TOMOI ,  Yuuta KOBAYASHI

    IPC分类号： C08L23/26 ,  C08L29/04 ,  B60C1/00

    摘要： Provided is a tire inner liner with which it is possible to suppress resistance to flex fatigue during tire travel and peeling failures at high temperatures, and also reduce rolling resistance at low temperatures. A tire inner liner comprising a material that contains a thermoplastic elastomer composition, which is constituted from a thermoplastic resin or thermoplastic-resin component and an elastomer component, said tire inner liner characterized in that, in a temperature dependent curve of tan δ of the material, the maximum value of tan δ occurs between 20° C. and 70° C. inclusive.