Method and apparatus for bonding treads to tires

Details Method and apparatus for bonding treads to tires Method and apparatus for bonding treads to tires

1977-04-01

1979-04-17

Klein, David

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

Tire body building type

156 96, 156286, 156322, 156405, 219243, 432225, 432228, 432231, B29H 1736, B29H 1702

Patent

active

041499263

ABSTRACT:
Disclosed herein is an apparatus for assembling and bonding a pre-cured tread strip to the carcass of a new tire or the casing of a tire to be retreaded wherein the tread is preheated and that heat is utilized to assist in the final bonding of the tread to the carcass. A heated drum is utilized, with the tread being wrapped around the periphery thereof and brought to an elevated temperature following which a roller type transfer mechanism is used to transfer the tread to a tire support and assembly apparatus where a stitcher and locking and sealing ring temporarily secure the tread to the periphery of the carcass with previously applied cushion gum material sandwiched therebetween. A shifting mechanism is then activated to transfer the tire and the tire support and assembly apparatus to a curing chamber where the tread is engaged by a heated belt which, together with the residual heat in the tread, serves to complete bonding of the tread to the carcass.

REFERENCES:
patent: 3236709 (1966-02-01), Carver
patent: 3236712 (1966-02-01), Mason
patent: 3316137 (1967-04-01), Wisotzky
patent: 3364091 (1968-01-01), Conti
patent: 3397100 (1968-08-01), Christie
patent: 3442746 (1969-05-01), Robertson
patent: 3728181 (1973-04-01), Simmons
patent: 3865670 (1975-02-01), Habert
patent: 3883382 (1975-05-01), Pelletier
patent: 3904459 (1975-09-01), Schelkmann

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