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Patent Searching and Data


Title:
RADIAL TIRE
Document Type and Number:
Japanese Patent JP2006069435
Kind Code:
A
Abstract:

To provide a radial tire with excellent turning performance, making ground-contact pressure distribution and ground-contact shape proper and stabilizing behavior of the tire near a cornering limit point.

The radial tire is provided with a radial carcass 4 comprising one sheet or more of carcass ply; and a belt 5 comprising two layers of steel belt layers 5a, 5b arranged on an outer periphery side of a crown part of the radial carcass 4. A ratio of a steel code amount per unit width of the steel belt layer 5a of first layer and the steel belt layer 5b of second layer (embedding number of steel code×steel code cross section) is 100:85-85:100 and a ratio of volume fraction of the steel code (cross section of steel code/whole cross section of steel code and coating rubber) is 100:85-85:100. Flexural rigidity of any one of the steel belt layer is lower than flexural rigidity of the other steel belt layer.


Inventors:
CHISOKU HIDEYUKI
Application Number:
JP2004257302A
Publication Date:
March 16, 2006
Filing Date:
September 03, 2004
Export Citation:
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Assignee:
BRIDGESTONE CORP
International Classes:
B60C9/20
Domestic Patent References:
JPH0478602A1992-03-12
JPH08164704A1996-06-25
JP2001001717A2001-01-09
Attorney, Agent or Firm:
Ichiro Honda