Method and apparatus for molding a tire

Details Method and apparatus for molding a tire Method and apparatus for molding a tire

B - Operations, Transporting

29

D

18/151

B29D 30/02 (2006.01) B29C 44/34 (2006.01) B29C 67/24 (2006.01)

Patent

CA 1153517

MethoD AND APPAratus FOR MOLDING A TIRE ABSTract OF THE DISCLOSURE A tire is cast and cured in a stationary mold having an annular mold cavity, an inlet opening and an outlet vent. The mold is tilted for optimum foam flow and minimum air or bubble entrapment. A liquid reactive mixture is injected into the mold through the inlet opening and moves through the mold cavity in different directions providing two leading surfaces which meet to form an interface adjacent the outlet vent. The air, foam gases and interface portion are extruded from the mold cavity through a slot in the vent into a reservoir. After curing of the elastomeric material formed by the liquid reactive mixture in the mold, the material in the slot and reservoir may be severed from the tire.

361872

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