Method for the renewal of a worn pneumatic or solid rubbery tire

Details Method for the renewal of a worn pneumatic or solid rubbery tire Method for the renewal of a worn pneumatic or solid rubbery tire

1977-08-04

1979-04-24

Kittle, John E.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

150 54B, 156285, 156382, 156394, B29H 504, B29H 1736

Patent

active

041510275

ABSTRACT:
The invention relates to the retreading of rubber tires wherein a prevulcanized tread is applied to a tire carcass with an interposed vulcanizable bonding layer. The tread and at least the adjacent part of the carcass are enclosed within a close fitting flexible envelope and the resulting blank is subjected to a pressure- and heat-treatment in an autoclave to bond the tread to the carcass. The invention resides in the construction and use of an envelope which is associated with an adjacent reservoir within the autoclave, preferably between the envelope and tire, for the accumulation of possible gaseous inclusions between the inside of the envelope and the blank.

REFERENCES:
patent: 3236709 (1966-02-01), Carver
patent: 3325326 (1967-06-01), Schelkmann
patent: 3743564 (1973-07-01), Gross
patent: 3745084 (1973-07-01), Schelkmann
patent: 3884739 (1975-05-01), Hindin et al.
patent: 3917440 (1975-11-01), Huebert
patent: 3933551 (1976-01-01), Brodie et al.
patent: 3969179 (1976-07-01), Foegelle

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