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 (JP)
Application Number:
PCT/JP2017/027336
Publication Date:
February 08, 2018
Filing Date:
July 27, 2017
Export Citation:
Assignee:
BRIDGESTONE CORP (JP)
International Classes:
B60C9/00; D07B1/06
Foreign References:
| JPH1181166A | 1999-03-26 | |||
| JPH02306801A | 1990-12-20 | |||
| JPH04193605A | 1992-07-13 | |||
| JP2015052192A | 2015-03-19 | |||
| JPH02154086A | 1990-06-13 | |||
| JP2000008282A | 2000-01-11 |
Other References:
See also references of EP 3495163A4
Attorney, Agent or Firm:
HONDA Ichiro (JP)
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