Apparatus for the production of an article of elastomeric materi

Details Apparatus for the production of an article of elastomeric materi Apparatus for the production of an article of elastomeric materi

1997-06-30

1999-07-27

Woo, Jay H.

Plastic article or earthenware shaping or treating: apparatus

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

Mold having movable core or movable pin

425556, 425436R, 425437, 425DIG51, B29C 4538, B29C 4540

Patent

active

059286830

ABSTRACT:
The apparatus is for molding an article of elastomeric material which has circular symmetry and is open at both ends, particularly for the production of protective bellows for vehicles. The apparatus comprises a die comprising an outer portion and an inner portion between which a molding cavity and an injection region are defined. The article of elastomeric material which is formed in the molding cavity remains anchored to the die portion after the outer die portion has been opened. Before the article is removed automatically from the inner die portion, a waste cap formed by the material which solidifies in the injection region is removed by means of a member.

REFERENCES:
patent: 2471148 (1949-05-01), Gale et al.
patent: 4552328 (1985-11-01), Dutt et al.
patent: 5368468 (1994-11-01), Boskovic
patent: 5490966 (1996-02-01), Peterson et al.

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