Rubber composition for tire sidewalls and pneumatic tires...

Details Rubber composition for tire sidewalls and pneumatic tires... Rubber composition for tire sidewalls and pneumatic tires...

2007-02-06

2007-02-06

Mulcahy, Peter D. (Department: 1713)

Resilient tires and wheels

Tires, resilient

Pneumatic tire or inner tube

C524S528000

Reexamination Certificate

active

10820035

ABSTRACT:
A lightweight tire with reduced rolling resistance and improved steering stability without decreasing tire durability, said tire containing a sidewall made of a rubber composition including 20 to 70 parts by weight of an inorganic filler, and 5 to 35 parts by weight of polypropylene powder, based on 100 parts by weight of a rubber component, which satisfies the following equation: (amount of polypropylene powder).gtoreq.(amount of inorganic filler+amount of polypropylene powder)/2.

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