Pneumatic radial tires for heavy vehicles

Details Pneumatic radial tires for heavy vehicles Pneumatic radial tires for heavy vehicles

1985-09-11

1987-08-25

Czaja, Donald E.

Resilient tires and wheels

Tires, resilient

Pneumatic tire or inner tube

152543, 152546, 152547, B60C 1506

Patent

active

046886168

ABSTRACT:
A reinforced radial tire bead construction for heavy load vehicles, such as trucks and buses, which has well-balanced rigidity and excellent durability and recapability. The tire has a carcass ply turned up around a pair of bead cores and a first reinforcing layer composed of rubber-coated steel cords, and a second reinforcing layer composed of rubber-coated organic fiber cords and a relatively soft apex strip. The first reinforcing layer surrounds the turned-up portion of the carcass ply and the second reinforcing layer of organic fiber cords is radially outside the first reinforcing layer, and is substantially continuously extended from a height covering both the radially outermost ends of the first reinforcing layer and the turned-up portion of the carcass ply to the inner surface of carcass ply main portion through the bead base.

REFERENCES:
patent: 3557860 (1971-01-01), Maiocchi
patent: 3921693 (1975-11-01), Suzuki et al.
patent: 3964533 (1976-06-01), Arimura et al.
patent: 4289184 (1981-09-01), Motomura et al.
patent: 4319622 (1982-03-01), Iuchi et al.
patent: 4342353 (1982-08-01), Tamura et al.
patent: 4352383 (1982-10-01), Matsumoto et al.

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