Puncture sealing pneumatic tire

Details Puncture sealing pneumatic tire Puncture sealing pneumatic tire

1976-09-21

1977-11-08

Hoffman, Drayton E.

Resilient tires and wheels

Tires, resilient

Pneumatic tire or inner tube

106 33, 156115, 428912, B60C 2108, B60C 514

Patent

active

040570908

ABSTRACT:
Pneumatic tire including a puncture sealing layer which is applied to an inner lining and in which by addition of specific amounts of polyisobutylene and of a particular form of silica with respect to a set amount of polybutene and by use of powdered elastomer having a specific particle size distribution there are achieved optimum values of viscosity and adhesivity and ability to seal even large puncture holes in a wide range of temperature and operating conditions. In addition there is less tendency for puncture sealing layer components to migrate to the inner lining and tire durability is therefore improved.

REFERENCES:
patent: 3565151 (1971-02-01), Courtney
patent: 3628585 (1971-12-01), Pace
patent: 3881537 (1975-05-01), Miyazato
patent: 3881943 (1975-05-01), Fuller et al.
patent: 3903947 (1975-09-01), Emerson
patent: 3935893 (1976-02-01), Stang et al.
patent: 3952787 (1976-04-01), Okado et al.

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