Pneumatic tires including a foamed tread base rubber

Details Pneumatic tires including a foamed tread base rubber Pneumatic tires including a foamed tread base rubber

1989-11-22

1992-05-05

Knable, Geoffrey L.

Resilient tires and wheels

Tires, resilient

Anti-skid devices

152532, B60C 1100

Patent

active

051099020

ABSTRACT:
A pneumatic tire comprising a toroidal carcass, a belt composed of at least two rubberized cord layers arranged radially outside the carcass, and a tread surrounding the periphery of the belt. The tread rubber comprises a base rubber made of a foamed rubber, and a cap rubber made of a non-foam rubber. The cap rubber is arranged radially outside the base rubber.

REFERENCES:
patent: 2445725 (1948-07-01), Walker
patent: 4319619 (1980-03-01), Kozima et al.
patent: 4381810 (1981-05-01), Cady et al.
patent: 4838330 (1989-06-01), Takayama

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