US PATENT SUBCLASS 152 / 528
.~.~.~ Folded ply structure

Current as of: June, 1999
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152 /   HD   RESILIENT TIRES AND WHEELS

151  DF  TIRES, RESILIENT {14}
450  DF  .~ Pneumatic tire or inner tube {23}
526  DF  .~.~ Characterized by belt or breaker structure {11}
528.~.~.~ Folded ply structure {1}
529  DF  .~.~.~.~> Utilizing two or more cord materials

DEFINITION

Classification: 152/528

Folded ply structure:

(under subclass 526) Subject matter wherein the annular belt or breaker is doubled back upon itself to enhance

reinforcement of the shoulder or tread area in order to reduce separation tendencies and transverse stress in the tire.