Method and apparatus for retreading vehicle tires

Details Method and apparatus for retreading vehicle tires Method and apparatus for retreading vehicle tires

1983-05-09

1985-08-20

Boland, Lois E.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

1561305, 1562755, 1563941, 156909, 425 19, 425 22, 264 25, 264 36, B29H 1736

Patent

active

045362424

ABSTRACT:
A method and apparatus for retreading vehicle tires. A carcass is provided with a prevulcanized tread and an unvulcanized tie-gum layer between the carcass and tread. A microwave applicator is located above the tread to emit microwaves against the tire for generating heat energy in the tire whereby the tie-gum layer is vulcanized. Vulcanization of the edges of the tie-gum layer is facilitated by local heating at or in connection with said edges by heat generation outside of the tire. The heating can be effected either by utilizing a material with a high dissipation factor for microwave energy or, alternatively, by use of electric resistance wires.

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