Process of and molds for applying precured rubber tires and othe

Details Process of and molds for applying precured rubber tires and othe Process of and molds for applying precured rubber tires and othe

1974-03-22

1978-09-05

Kittle, John E.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156394, B29H 1736

Patent

active

041117328

ABSTRACT:
The present disclosure is directed to a novel process of and molds for applying rubber, preferably precured rubber, to tires and other objects, wherein in a preferred form of the invention a generally annular matrix is provided defined by a pair of relatively movable annular matrix portions, the pair of movable annular matrix portions defining an annular housing in a closed position thereof in which a tire is adapted to be retreaded, a bladder within the housing, the bladder including opposite annular edges, means for securing both annular edges to but one of the matrix portions whereby the bladder and the one matrix portion define a pressurization chamber, and means for pressurizing the interior of the chamber augmented by ancillary heating to achieve retreading of the tire.
In further embodiments of the invention tire wall plates of rigid, resilient or pneumatic structure are provided and in lieu of the bladder described a plurality of bladders tubular or having annular edges connected to associated matrix portions may be provided.

REFERENCES:
patent: RE15120 (1921-06-01), Pfeiffer
patent: 2766006 (1956-10-01), Kraft
patent: 2976910 (1961-03-01), Nowak
patent: 3307999 (1967-03-01), Boicey
patent: 3563831 (1971-02-01), Clapp
patent: 3729358 (1973-04-01), Barefoot
patent: 3738893 (1973-06-01), Edler
patent: 3745084 (1973-07-01), Schelkmann
patent: 3779832 (1973-12-01), Reppel
patent: 3802977 (1974-04-01), Wasko
patent: 3809592 (1974-05-01), Dennis et al.
patent: 3871941 (1975-03-01), Wasko

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