Title:
PNEUMATIC TIRE FOR PASSENGER CAR AND METHOD OF MANUFACTURING PNEUMATIC TIRE FOR PASSENGER CAR
Document Type and Number:
WIPO Patent Application WO/2010/089990
Kind Code:
A1
Abstract:
A pneumatic tire for a passenger car, provided with a belt layer and a belt cover layer formed by winding a steel cord material in the tire circumference direction on the outer peripheral side of the belt layer. The steel cord material has a structure in which element wires consisting of steel and having a diameter of less than 0.18 mm are twisted together to form each strand and the strands are twisted together in the same direction as the direction of twisting of the element wires. The twist pitch of each of the strands is less than the twist pitch of the steel cord material, the twist pitch of the strand is in the range from 1.0 mm to 2.1 mm, and the twist pitch of the steel cord material is in the range from 2.0 mm to 5.25 mm.
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Inventors:
YASUDA KAORU (JP)
Application Number:
PCT/JP2010/000599
Publication Date:
August 12, 2010
Filing Date:
February 02, 2010
Export Citation:
Assignee:
YOKOHAMA RUBBER CO LTD (JP)
YASUDA KAORU (JP)
YASUDA KAORU (JP)
International Classes:
B60C9/22; B29D30/30; B60C9/00; B60C9/18; B60C9/20; D07B1/06
Foreign References:
| JPH0478602A | 1992-03-12 | |||
| JP2009040347A | 2009-02-26 | |||
| JP2009234332A | 2009-10-15 | |||
| JP2009292425A | 2009-12-17 |
Attorney, Agent or Firm:
GLOBAL IP TOKYO (JP)
Global IP Tokyo patent business corporation (JP)
Global IP Tokyo patent business corporation (JP)
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