Modular curing chamber

Claim 1

A modular chamber for curing a heat curable adhesive and thereby bonding a prevulcanized tread strip to a tire carcass, said chamber comprising: a. an entrance-exit module, and end module, and at least one intermediate module, b. said entrance-exit module including a partition wall dividing said module into entrance and exit portions, c. said at least one intermediate module including a partition wall dividing said intermediate module into two portions, d. means for conveying tires into said entrance portion around said partition wall and out of said exit portion in a U-shaped path, e. panel members defining ducting around the outer walls of said intermediate and end modules, f. a plurality of heating lamps positioned in said ducting along the bottom walls of said intermediate and end modules, g. a blower positioned in said ducting along the top walls of each of said intermediate and end modules, h. said blower drawing air over said heating lamps and up through said modules around the tires and forcing the air through said ducting around the outer walls of said modules in a cyclic path so as to provide even heating throughout said chamber and promote even curing of the heat curable adhesive in said chamber.