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Title:
TIRE REINFORCING MEMBER, AND TIRE EMPLOYING SAME
Document Type and Number:
WIPO Patent Application WO/2019/116766
Kind Code:
A1
Abstract:
Provided are a tire reinforcing member with which both rigidity and fatigue durability of a reinforcing cord are achieved simultaneously, and a tire employing the same. The tire reinforcing member 100 employs a rubber/cord composite comprising one or a plurality of reinforcing cords 101 which are aligned parallel to one another and are covered with rubber. The reinforcing cords 101 each comprise a hybrid cord in which a sheath portion 103 consisting of a plurality of non-metallic fiber cords 103a comprising a non-metallic fiber other than carbon fiber are wound in a helical shape around a core portion 102 comprising a carbon fiber cord 102a, wherein the tensile modulus of the non-metallic fiber cord at 25°C is at least equal to 0.1 GPa.

Inventors:
SASAKI Yosuke (1-1 Kyobashi 3-chome, Chuo-k, Tokyo 40, 〒1048340, JP)
Application Number:
JP2018/040603
Publication Date:
June 20, 2019
Filing Date:
October 31, 2018
Export Citation:
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Assignee:
BRIDGESTONE CORPORATION (1-1 Kyobashi 3-chome, Chuo-ku Tokyo, 40, 〒1048340, JP)
International Classes:
B60C9/00; B60C9/18; B60C9/20; D02G3/16; D02G3/28; D02G3/36; D02G3/48; D07B1/02
Domestic Patent References:
WO2004090224A12004-10-21
WO2016190152A12016-12-01
Foreign References:
JPS5921787A1984-02-03
JPS59120503A1984-07-12
JP2007154385A2007-06-21
JP2004285498A2004-10-14
Attorney, Agent or Firm:
HONDA Ichiro (HONDA INTERNATIONAL PATENT & TRADEMARK OFFICE, 6th Floor Yusei Fukushi Kotohira Bldg., 14-1, Toranomon 1-chome, Minato-k, Tokyo 01, 〒1050001, JP)
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