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Patent Searching and Data


Title:
TIRE
Document Type and Number:
WIPO Patent Application WO/2021/085386
Kind Code:
A1
Abstract:
A belt layer 7 comprises at least one belt ply 7A. The belt ply 7A comprises: single wire cords 9, which have a short diameter SD and a long diameter LD with the ratio SD/LD of the short diameter SD to the long diameter LD being less than 1.00; and topping rubber 10 for coating the single wire cords 9. The single wire cords 9 are disposed so that the short diameter SD direction lies in the thickness direction of the belt ply 7A. For the topping rubber 10, the complex modulus of elasticity (E*) at a temperature of 70°C, an initial strain of 10%, a dynamic strain amplitude of ±1.0%, and a frequency of 10 Hz is less than 7 MPa.

Inventors:
MINAGOSHI AKIRA (JP)
MIAO DONG (JP)
Application Number:
PCT/JP2020/040124
Publication Date:
May 06, 2021
Filing Date:
October 26, 2020
Export Citation:
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Assignee:
SUMITOMO RUBBER IND (JP)
International Classes:
D07B1/06; B60C9/18; B60C9/20
Foreign References:
JP2001080313A2001-03-27
JP2018058515A2018-04-12
JPH07149957A1995-06-13
JP2014151731A2014-08-25
JP2017190032A2017-10-19
Attorney, Agent or Firm:
SUMITOMO Shintaro (JP)
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