Pneumatic radial type tire having an improved durability in bead

Details Pneumatic radial type tire having an improved durability in bead Pneumatic radial type tire having an improved durability in bead

1975-02-21

1976-06-22

Hoffman, Drayton E.

Resilient tires and wheels

Tires, resilient

Patches

152354, 152362CS, 152374, B60C 1506, B60C 910

Patent

active

039645339

ABSTRACT:
A pneumatic radial type tire having an improved durability in bead section comprises at least one carcass ply composed of metal cords in a substantially radial arrangement, at least one chafer composed of rubberized metal cords, a carcass reinforcing member secured to the surface of the carcass ply and composed of at least two rubberized cord fabrics whose cords are crossed with each other at an angle larger than 60.degree. with respect to the cord direction of the carcass ply, and a rubber stiffener composed of a composite rubber stock having a hardness which is made smaller at the upper part than at the lower part thereof.

REFERENCES:
patent: 3557860 (1971-01-01), Maiocchi
patent: 3612137 (1971-10-01), Guyot
patent: 3612138 (1971-10-01), Ravenhall
patent: 3722568 (1973-03-01), Maiocchi
patent: 3736973 (1973-06-01), Mezzanotte
patent: 3800844 (1974-04-01), Boileau

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