Title:
ゴム物品補強用スチールコードおよびそれを用いた空気入りタイヤ
Document Type and Number:
Japanese Patent JP5455181
Kind Code:
B2
Abstract:
A steel cord for reinforcement of rubber articles, whose cord strength is enhanced by preventing occurrence of preceding break of the outermost layer filaments in the steel cord having a multi-twisted structure, and a pneumatic tire using it as a reinforcing material are provided. In a steel cord for reinforcement of rubber articles having a multi-twisted structure in which a plurality of strands are twisted together, which strands have a layered twisted structure in which a plurality of steel filaments are twisted together, dc/ds, which represents the ratio between dc, the diameter of outermost layer sheath filaments constituting the outermost layer sheath of a core strand, and ds, the diameter of outermost layer sheath filaments constituting the outermost layer sheath of sheath strands, is 1.05 to 1.25.
Inventors:
Eiji Kudo
Application Number:
JP2008155606A
Publication Date:
March 26, 2014
Filing Date:
June 13, 2008
Export Citation:
Assignee:
Bridgestone Corporation
International Classes:
D07B1/06; B60C9/00
Domestic Patent References:
| JP2006104636A | ||||
| JP2007107136A |
Foreign References:
| WO2001034900A1 |
Attorney, Agent or Firm:
Ichiro Honda
Yumiko Sugimoto
Toshiharu Mori
Yumiko Sugimoto
Toshiharu Mori