Stiff sidewalls for pneumatic tires

Details Stiff sidewalls for pneumatic tires Stiff sidewalls for pneumatic tires

1988-06-17

1990-05-29

Lieberman, Allan M.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

152525, 525161, 525163, C08K 509, C08L 700, C08L 900

Patent

active

049296841

ABSTRACT:
Sidewalls (12,13) for pneumatic tires (10) having a greater stiffness improve handling and performance of the tire. The sidewalls comprise a rubber, selected from the group consisting of natural rubber, synthetic rubber and blends thereof, and from about 20 to 80 parts of a rubber compatible additive, per 100 parts of rubber capable of imparting a tensile modulus of from about 30 to 200 MPa at 10 percent elongation. Pneumatic tires provided with such sidewalls are improved and exhibit higher cornering force coefficients. A method for improving the handling characteristics of pneumatic tires includes the step of applying sidewalls to the tire carcass during building, having a tensile modulus of from about 30 to 200 MPa at 10 percent elongation.

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