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Patent Searching and Data


Title:
CABLE BEAD AND TIRE INCLUDING SAME
Document Type and Number:
WIPO Patent Application WO/2019/240101
Kind Code:
A1
Abstract:
Provided are a cable bead with which it is possible to increase the high-pressure fracture resistance of a tire while maintaining lightweight properties, and a tire including the cable bead. The cable bead 10 comprises an annular core 1 constituted of steel and a sheath 3 configured of at least two sheath layers each composed of sheath filaments 2 constituted of steel and spirally wound around the core 1, wherein the sheath filaments 2 have a carbon content of 0.90-0.95 mass% and a chromium content of 0.15-0.30 mass% and the sheath filaments 2 constituting the sheath 3 comprise sheath filaments of the innermost sheath layer and at least one kind of sheath filaments each having a smaller diameter than the sheath filaments of the innermost sheath layer.

Inventors:
TOKUTOMI KAZUTAKA (JP)
Application Number:
PCT/JP2019/022992
Publication Date:
December 19, 2019
Filing Date:
June 10, 2019
Export Citation:
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Assignee:
BRIDGESTONE CORP (JP)
International Classes:
B60C15/04; D07B1/06
Domestic Patent References:
WO2000044954A12000-08-03
WO2018194038A12018-10-25
Foreign References:
JP2005067311A2005-03-17
JPH05147414A1993-06-15
JPH10183242A1998-07-14
JPH108203A1998-01-13
JPH06211009A1994-08-02
JP2010242279A2010-10-28
JP2015523475A2015-08-13
CN105415986A2016-03-23
Attorney, Agent or Firm:
HONDA Ichiro (JP)
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