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Title:
TIRE
Document Type and Number:
WIPO Patent Application WO/2020/080446
Kind Code:
A1
Abstract:
The present invention provides a tire which has achieved a good balance between steering stability and ride quality. This tire comprises: a carcass 104 that is composed of a carcass ply; and a belt 105 that is composed of a belt layer. The belt layer is formed of an elastomer-metal cord composite body which is obtained by covering a metal cord with an elastomer for belts, said metal cord being composed of a bundle of a plurality of metal filaments that are arranged in a row without being twisted; the metal filaments are patterned; and at least one pair of adjacent metal filaments that have different phases is present in the metal cord. The carcass ply is composed of an organic fiber cord that is covered with an elastomer for carcasses; the fineness per one fiber of the organic fiber cord is from 500 dtex to 5,000 dtex (inclusive); and the ratio of the volume Sc of the organic fiber cord to the volume Sr of the elastomer for carcasses in unit area of the carcass ply, namely Sc/Sr is more than 0.05 but 0.65 or less.

Inventors:
YANARU RINA (JP)
UEMURA KAZUKI (JP)
Application Number:
PCT/JP2019/040767
Publication Date:
April 23, 2020
Filing Date:
October 16, 2019
Export Citation:
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Assignee:
BRIDGESTONE CORP (JP)
International Classes:
B60C9/08; B60C9/00; B60C9/18; B60C9/20; D07B1/02; D07B1/06
Domestic Patent References:
WO2015186703A12015-12-10
Foreign References:
JPH07157986A1995-06-20
JPH07145578A1995-06-06
JPH0913288A1997-01-14
JPH1121776A1999-01-26
JPS60206706A1985-10-18
JP2004306632A2004-11-04
JP2013226982A2013-11-07
Attorney, Agent or Firm:
HONDA Ichiro (JP)
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