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Patent Searching and Data


Title:
エラストマー補強用コード
Document Type and Number:
Japanese Patent JP7278745
Kind Code:
B2
Abstract:
Provided is an elastomer reinforcement cord with improved rust resistance. An elastomer reinforcement cord 10 includes metal filaments and a polymer material. The elastomer reinforcement cord 10 has a multi-strand structure which includes: at least one core strand 21 formed by twisting plural metal filaments 1a and 1b together; and two or more sheath strands 22 each formed by twisting plural metal filaments 11a and 11b together, the sheath strands being twisted together around the core strand. An intra-sheath-strand filling rate a, which is a ratio of the area of the polymer material with respect to an intra-sheath-strand gap region A, is 52% or higher, and an inter-strand filling rate b, which is a ratio of the area of the polymer material with respect to an inter-strand gap region B, is 75% or higher.

Inventors:
Nobuhiro Ando
Application Number:
JP2018204360A
Publication Date:
May 22, 2023
Filing Date:
October 30, 2018
Export Citation:
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Assignee:
Bridgestone Corporation
International Classes:
D07B1/06; B60C9/00
Domestic Patent References:
JP60231884A
JP2010248670A
JP2012531540A
JP47040188Y1
JP6122162A
Foreign References:
WO2017222046A1
US20100257834
Attorney, Agent or Firm:
Ichiro Honda
Yumiko Sugimoto
Takumi Watanabe
Takashi Daejeon