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Title:
TIRE STEEL CORD AND PNEUMATIC TIRE USING SAME
Document Type and Number:
WIPO Patent Application WO/2018/025753
Kind Code:
A1
Abstract:
Provided are: a tire steel cord having excellent workability in factories while having excellent cutting resistance and excellent corrosion resistance; and a pneumatic tire using the tire steel cord. The tire steel cord has a layer twisted structure comprising: a core 11 formed of two core filaments 1; and a sheath 12 formed of eight sheath filaments 2 twisted together around the core 11, wherein the two core filaments 1 forming the core 11 are twisted together, the twisting direction of the core filaments 1 is different from the twisting direction of the sheath filaments 2, and the diameter Dc of each of the core filaments 1 and the diameter Ds of each of the sheath filaments 2 satisfy the relationship represented by expression (1): 0.90≤Ds/Dc≤1.10 (1).

Inventors:
MORI Yuriko (1-1 Kyobashi 3-chome, Chuo-k, Tokyo 40, 〒1048340, JP)
Application Number:
JP2017/027336
Publication Date:
February 08, 2018
Filing Date:
July 27, 2017
Export Citation:
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Assignee:
BRIDGESTONE CORPORATION (1-1 Kyobashi 3-chome, Chuo-ku Tokyo, 40, 〒1048340, JP)
International Classes:
B60C9/00; D07B1/06
Foreign References:
JPH1181166A1999-03-26
JPH02306801A1990-12-20
JPH04193605A1992-07-13
JP2015052192A2015-03-19
JPH02154086A1990-06-13
JP2000008282A2000-01-11
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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