Title:
スチールコード、タイヤ
Document Type and Number:
Japanese Patent JP6980965
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a steel cord excellent in impact resistance.SOLUTION: The steel cord has a 1×n structure formed by twisting n (n=3 or 4) wires. In a cross section perpendicular to a longer direction, when an area of a circumscribed circle is defined as S1 and an area of a wire is defined as S2, a void ratio V represented by the following formula (A) is 37% or higher and 60% or lower. V(%)=(S1-nS2)/S1×100...(A)SELECTED DRAWING: Figure 2
Inventors:
Tetsuya Nakajima
Eiji Matsuoka
Eiji Matsuoka
Application Number:
JP2017084013A
Publication Date:
December 15, 2021
Filing Date:
April 20, 2017
Export Citation:
Assignee:
Tochigi Sumitomo Electric Co., Ltd.
International Classes:
B60C9/00; D07B1/06
Domestic Patent References:
| JP8074187A | ||||
| JP2026990A | ||||
| JP5140881A | ||||
| JP6017385A | ||||
| JP2010242278A | ||||
| JP10060789A |
Foreign References:
| US5472033 | ||||
| CN101838873A |
Attorney, Agent or Firm:
Tadashige Ito
Tadahiko Ito
Tadahiko Ito