Resilient tires and wheels – Tires – resilient – Pneumatic tire or inner tube
Reexamination Certificate
2007-12-11
2007-12-11
Johnstone, Adrienne C. (Department: 1733)
Resilient tires and wheels
Tires, resilient
Pneumatic tire or inner tube
C152S532000, C152S533000, C152S538000
Reexamination Certificate
active
10496138
ABSTRACT:
A belt durability is improved by effectively suppressing an interlayer separation between each widthwise outer end portion of a belt reinforcing layer41and a belt layer34, in which each widthwise outer end45of one widest-width inner belt ply35ais located outward from each widthwise outer end46of widest-width reinforcing plies42a, 42bin the widthwise direction and hence reinforcing elements of the belt plies are not crossed with each other at the outside from the each widthwise outer end46in the widthwise direction. Therefore, the each widthwise outer end portion of the inner belt ply35ais easily reduced in the widthwise direction, whereby shearing deformation in section to the each widthwise outer end portion of the reinforcing ply42a, 42bis reduced.
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Bridgestone Corporation
Johnstone Adrienne C.
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