Title:
ケーブルビードおよびこれを用いたタイヤ
Document Type and Number:
Japanese Patent JP7177831
Kind Code:
B2
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:
▲徳▼冨 一敬
Application Number:
JP2020525568A
Publication Date:
November 24, 2022
Filing Date:
June 10, 2019
Export Citation:
Assignee:
Bridgestone Corporation
International Classes:
B60C15/04; B60C9/08; D07B1/06
Domestic Patent References:
| JP2005067311A | ||||
| JP5147414A | ||||
| JP10183242A | ||||
| JP10008203A | ||||
| JP6211009A | ||||
| JP2010242279A | ||||
| JP2015523475A |
Foreign References:
| WO2000044954A1 | ||||
| CN105415986A | ||||
| WO2018194038A1 |
Attorney, Agent or Firm:
Honda Ichiro
Yumiko Sugimoto
Takumi Watanabe
Takashi Daejeon
Yumiko Sugimoto
Takumi Watanabe
Takashi Daejeon
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