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Title:
PNEUMATIC TIRE
Document Type and Number:
Japanese Patent JP2009161072
Kind Code:
A
Abstract:

To provide a pneumatic tire improved in performance on a snow road surface, without reducing handling performance on a dry road surface.

In this pneumatic tire, a rubber sheet 11 is arranged between a carcass 4 existing on the most outside in the tire radial direction and a belt layer 5 existing on the most inside in the tire radial direction, and rubber hardness H1 at 23C of the rubber sheet 11 is set to 45-65 degrees, and rubber hardness H2 at -15C is set to 50-70 degrees, and H2 is larger than H1, and the thickness of the rubber sheet 11 is set to 0.5-1.5 mm, and a width W1 in the tire rotational axis direction of the rubber sheet 11 is set to 0.8 time or more of a width W in the tire rotational axial direction of the widest belt layer 5a, and the rubber sheet 11 is terminated in the tire sectional widest position P or on the inside in the tire rotational axis direction from the P.


Inventors:
TAKAHASHI SOICHI
Application Number:
JP2008001540A
Publication Date:
July 23, 2009
Filing Date:
January 08, 2008
Export Citation:
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Assignee:
TOYO TIRE & RUBBER CO
International Classes:
B60C9/18; B60C9/04; B60C9/20; B60C11/00
Attorney, Agent or Firm:
Miyazaki Isho
Teruhisa Matoba