Pneumatic tire with reinforcement rubber layer

Details Pneumatic tire with reinforcement rubber layer Pneumatic tire with reinforcement rubber layer

2004-05-12

2009-06-16

Johnstone, Adrienne C (Department: 1791)

Resilient tires and wheels

Tires, resilient

Pneumatic tire or inner tube

C152S546000, C152S547000, C152S555000

Reexamination Certificate

active

07546863

ABSTRACT:
A pneumatic tire allowed to increase steering stability and durability while reducing rolling resistance, wherein a reinforced rubber layer extending from a bead part along a side wall part is installed in the side wall part. A rubber composition forming the reinforced rubber layer has a loss of tangent (tan δ) measured at 60° C. of 0.01 to 0.25, a JIS-A hardness measured at 23° C. of 70 to 95, and a breaking elongation in a tension test measured at 23° C. of 200% or more.

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