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Patent Searching and Data


Title:
TIRE
Document Type and Number:
WIPO Patent Application WO/2021/085385
Kind Code:
A1
Abstract:
A belt layer 7 includes at least one belt ply 7A. The belt ply 7A has a short diameter SD and a long diameter SD, and includes a single-wire cord 9 for which the ratio SD/LD of the short diameter SD and the long diameter LD is less than 1.00, and a topping rubber 10 that covers the single-wire cord 9. The single-wire cord 9 is arranged so that the direction of the short diameter SD faces the thickness direction of the belt ply 7A. The topping rubber 10 has a composite elastic modulus (E*) of 7-20 MPa at a temperature of 70°C, an initial distortion of 10%, a dynamic-distortion amplitude of ±1.0%, and a frequency of 10 Hz.

Inventors:
MINAGOSHI AKIRA (JP)
MIAO DONG (JP)
YAMAGUCHI EIJI (JP)
SUZUKI MASUMI (JP)
Application Number:
PCT/JP2020/040123
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:
JP2002067617A2002-03-08
JP2018058515A2018-04-12
JP2018053244A2018-04-05
JP2017185984A2017-10-12
JP2012131423A2012-07-12
JP2012241065A2012-12-10
JP2017190032A2017-10-19
Attorney, Agent or Firm:
SUMITOMO Shintaro (JP)
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