One piece safety cap molding apparatus

Details One piece safety cap molding apparatus One piece safety cap molding apparatus

1991-09-27

1993-08-31

Nozick, Bernard

Plastic article or earthenware shaping or treating: apparatus

Female mold and charger to supply fluent stock under...

With product ejector

425441, 425449, 425809, A21D 1308

Patent

active

052407195

ABSTRACT:
An apparatus for molding a cap (16) including a base portion (18) and peripheral skirt (20) extending axially from and about the base portion (18) includes an outer surface forming mold (44) for forming an outer surface of the base portion (18) and the peripheral skirt (20) and an inner surface forming mold (46) seatable within the outer surface forming mold (44) for forming an inner surface of the base portion (18) and the peripheral skirt (20). The outer surface forming mold (44) is retractable from seated engagement with inner surface forming mold (46) for exposing the moded cap (16) therebetween. The inner surface forming mold (46) includes a core portion (52) and lug forming mold portions (54) disposed radially peripherally thereabout, the lug forming mold portions (54) being able to project axially from and retract radially inwardly relative to the central core portions (52) for releasing and ejecting the molded cap (16)from the inner surface forming mold ( 46).

REFERENCES:
patent: Re27156 (1971-07-01), Hedgewick
patent: 3482814 (1969-12-01), Hedgewick
patent: 3618170 (1971-11-01), Owens
patent: 4444327 (1984-04-01), Hedgewick
patent: 5053182 (1991-10-01), Hedgewick

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