Pneumatic radial tires

Details Pneumatic radial tires Pneumatic radial tires

2005-08-16

2005-08-16

Aftergut, Jeff H. (Department: 1733)

Resilient tires and wheels

Tires, resilient

Pneumatic tire or inner tube

C152S540000, C152S545000, C152S552000

Reexamination Certificate

active

06929045

ABSTRACT:
A pneumatic radial tire comprises a radial carcass extending between a pair of bead portions each including two bead cores therein and reinforcing a pair of sidewall portions and a tread portion, wherein the radial carcass is comprised of a rubberized ply of a continuous cord successively repeating round trip in at least one of the two bead cores as a pair between the pair of the bead portions along a circumference of the bead portion and a roundtrip return portion of the cord is existent in both the bead portions. In this case, at least one of the two bead cores has such a structure that one or more steel wires are arranged lengthwise and widthwise in radial and widthwise directions of the tire, and the cord of the carcass ply has a roundtrip return portion located through a side face of the bead core having the above structure so as to cover at least an innermost steel wire arrangement in the radial direction from an inner side in the radial direction of the tire.

REFERENCES:
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