Tire retreading method

Details Tire retreading method Tire retreading method

1977-11-14

1979-11-27

Kittle, John E.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156286, 156382, B29H 1736

Patent

active

041759915

ABSTRACT:
A flexible envelope having a central portion overlying a replacement tread strip upon the tire to be retreaded has marginal edge portions overlying bands of cushion gum material upon opposite sidewalls of the tire. During the initial phase of subsequently-ensuing treatment of the aforesaid tire assembly within a heated pressure chamber, the bands of cushion gum material undergo plastic flow and create fluid-tight sealed relationships between the overlying marginal edge portions of the envelope and the underlying tire sidewalls. The bands are removed from the tire sidewalls and envelope after completion of the chamber-treatment of the assembly, and preferably before cooling thereof to ambient room temperature.

REFERENCES:
patent: 2976910 (1961-03-01), Nowak
patent: 3703422 (1972-11-01), Yoshino
patent: 3793116 (1974-02-01), Schelkman
patent: 3884740 (1975-05-01), Schelkman
patent: 3894897 (1975-07-01), Batchelor et al.

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