Pneumatic tire with swelled bead core inner surface

Details Pneumatic tire with swelled bead core inner surface Pneumatic tire with swelled bead core inner surface

1997-03-26

1999-03-23

Johnstone, Adrienne C.

Resilient tires and wheels

Tires, resilient

Pneumatic tire or inner tube

152525, 152539, 152546, 152547, 152564, 245 15, B60C 1500, B60C 1504

Patent

active

058853880

ABSTRACT:
A pneumatic tire comprises a bead core disposed in each of a pair of bead portions and a carcass ply turned up around the bead cores, wherein the bead cores are provided in the radially inner surface with a swell having a radius of curvature in the range of from 0.35 to 2.0 times the width of the bead core. The swell preferably extends all over the width of the bead core whereby no rubber layer is formed between the carcass ply and the radially inner surface of the bead core, and the contact pressure between the tire and rim is optimized.

REFERENCES:
patent: 4321957 (1982-03-01), Hahn et al.
patent: 5429168 (1995-07-01), Lobb et al.

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