Pneumatic vehicle tire bead structure

Details Pneumatic vehicle tire bead structure Pneumatic vehicle tire bead structure

1987-01-29

1988-11-01

Ball, Michael W.

Resilient tires and wheels

Tires, resilient

Pneumatic tire or inner tube

152544, B60C 1504

Patent

active

047812320

ABSTRACT:
A pneumatic vehicle tire made of rubber or rubber-like material and having a reinforcing carcass that is anchored in the beads by being looped around bead cores that are essentially inextensible and/or resistant to compression. The bead cores have an essentially round overall cross-sectional shape. To increase the bending resistance of the bead cores, each bead core has an inner region of steel or other material of similar high strength and rigidity. Each inner region has a cross-sectional shape that is characterized by a dimension, in the radial direction of the bead core, that is greater than its dimension in the axial direction. Each bead core also has an outer region, of lightweight material, that complements the inner region to provide the essentially round overall cross-sectional shape for the bead core.

REFERENCES:
patent: 1503883 (1924-08-01), Cobb
patent: 4516617 (1985-05-01), Seitz et al.
patent: 4561919 (1985-12-01), Forsyth
patent: 4597426 (1986-07-01), Mauk et al.

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