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 (JP)
Application Number:
PCT/JP2018/040603
Publication Date:
June 20, 2019
Filing Date:
October 31, 2018
Export Citation:
Assignee:
BRIDGESTONE CORP (JP)
International Classes:
B60C9/00; B60C9/18; B60C9/20; D02G3/16; D02G3/28; D02G3/36; D02G3/48; D07B1/02
Domestic Patent References:
| WO2004090224A1 | 2004-10-21 | |||
| WO2016190152A1 | 2016-12-01 |
Foreign References:
| JPS5921787A | 1984-02-03 | |||
| JPS59120503A | 1984-07-12 | |||
| JP2007154385A | 2007-06-21 | |||
| JP2004285498A | 2004-10-14 | |||
| JPH10109502A | 1998-04-28 |
Other References:
See also references of EP 3725543A4
Attorney, Agent or Firm:
HONDA Ichiro (JP)
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