Process for retreading or recapping tires

Details Process for retreading or recapping tires Process for retreading or recapping tires

1985-04-22

1989-03-28

Ball, Michael W.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156289, 264 36, B29D 3054

Patent

active

048160954

ABSTRACT:
A process for recapping tires includes the steps of placing a tread strip around the circumference of a used tire casing with a bonding media interposed between the strip and casing; covering the treadstrip with a high termperature nylon film having a plurality of perforations substantially uniformly distributed across the surface of said film; covering the tread strip and film by an envelope having a negative embossment of tread design in registry with a positive tread design on said tread strip; and curing said tread strip and bonding media at a temperature of at least substantially 300.degree. F. The high temperature nylon film has a thickness in the order of 0.068-0.085-inches. A plurality of perforations are spread across the surface of said film. These perforations are in the order of 1/16-1/8-inch in diameter and are separated from each other by a distance in the order of approximately 3/4 to 11/4-inches.

REFERENCES:
patent: 3779833 (1973-12-01), Reppel
patent: 3886028 (1975-05-01), Hindin et al.
patent: 4075047 (1978-02-01), Brodie et al.
patent: 4105482 (1978-08-01), Wapelhorst et al.
patent: 4181550 (1980-01-01), Paine
patent: 4309234 (1982-01-01), Witherspoon
patent: 4444829 (1984-04-01), Bollen et al.
patent: 4500375 (1985-02-01), Goldstein

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