Process for molding a pneumatic tire having a wide bearing surfa

Details Process for molding a pneumatic tire having a wide bearing surfa Process for molding a pneumatic tire having a wide bearing surfa

1974-04-22

1976-08-24

Hoag, Willard E.

Plastic and nonmetallic article shaping or treating: processes

With step of making mold or mold shaping, per se

264250, 264259, 264294, 264310, 264311, 264326, 264347, 264DIG59, B29C 504, B29H 1700

Patent

active

039767396

ABSTRACT:
A process for molding a tire having a wide bearing surface comprising the steps of molding reinforcing shoulders in a static mold and partially curing the molded materials; removing the partially cured shoulders from the static mold and placing them in a rotating mold; introducing additional plastic material into the rotating mold and rotating the mold; and then heating the mold to complete the curing of the shoulders and to fully cure the additional plastic material to form the tire casing.

REFERENCES:
patent: 2189154 (1940-02-01), Stewart
patent: 2273283 (1942-02-01), Pfeiffer
patent: 2324974 (1943-07-01), Greenup
patent: 2994919 (1961-08-01), Schafer et al.
patent: 3686389 (1972-08-01), Beneze

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