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Patent Searching and Data


Title:
TIRE
Document Type and Number:
Japanese Patent JP2009154685
Kind Code:
A
Abstract:

To provide a tire further enhancing durability.

The tire has a belt in which at least one layer of circumferential belt layer and inclination belt layers in which the cords inclined relative to a tire equator surface are arranged in directions crossed to each other are arranged in the order. Width of the wide inclination belt layer having the widest width of the inclination belt layers is 0.6 times or more of tire cross section width, and an end part in a tire width direction of the wide inclination belt layer is positioned at an outer side in the tire width direction than the end part in the tire width direction of the circumferential belt layer. An end part in the tire width direction of the inclination belt layer other than the wide inclination belt layer is positioned at an inner side in the tire width direction than the end part in the tire width direction of the circumferential belt layer. In the wide inclination belt layer, an inclination angle of the cord relative to the tire equator surface is made to 15 to less than 35, and in at least one inclination belt layer adjacent to the wide inclination belt layer, an inclination angle of the cord relative to the tire equator surface is made to 40 to 60.


Inventors:
OKI FUTOSHI
Application Number:
JP2007334638A
Publication Date:
July 16, 2009
Filing Date:
December 26, 2007
Export Citation:
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Assignee:
BRIDGESTONE CORP
International Classes:
B60C9/18; B60C9/22
Attorney, Agent or Firm:
Kenji Sugimura
Kosaku Sugimura
Kiyoshi Kuruma
Shiro Fujitani
Tatsuya Sawada