Pneumatic radial tire with rubber chafer, stiffener and sidewall

Details Pneumatic radial tire with rubber chafer, stiffener and sidewall Pneumatic radial tire with rubber chafer, stiffener and sidewall

1995-12-08

1997-04-15

Johnstone, Adrienne C.

Resilient tires and wheels

Tires, resilient

Pneumatic tire or inner tube

152539, 152543, 152555, B60C 900, B60C 1500, B60C 1506, B60C 908

Patent

active

056205392

ABSTRACT:
A pneumatic radial tire comprises a radial carcass ply toroidally extending between a pair of bead cores, a stiffener disposed above each bead core between the carcass ply and its turnup portion, and a rubber chafer arranged outside the turnup portion, provided that a ratio of cross-sectional area of the stiffener to cross-sectional area of the rubber chafer is not more than 0.5. In this tire, a sidewall-reinforcing rubber layer having a JIS A hardness of not less than 80.degree. is arranged along the carcass ply in a region ranging from a crown portion of the carcass ply to the bead core.

REFERENCES:
patent: 4019551 (1977-04-01), Kolowski et al.

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