Method of and apparatus for ejection of molded product from mold

Details Method of and apparatus for ejection of molded product from mold Method of and apparatus for ejection of molded product from mold

1996-05-20

1998-02-10

Heitbrink, Tim

Plastic and nonmetallic article shaping or treating: processes

Direct application of fluid pressure differential to...

Including use of vacuum

264334, 425556, 425577, B29C 4540

Patent

active

057165823

ABSTRACT:
During operation of a molding apparatus that combines a cavity part having a plurality of cavity sections and a core part having a plurality of cores to define a plurality of mold cavities therebetween, when the cavity part and the core part are first separated from one another following formation of products in the mold cavities, force is applied to the products in order to retain the products in the cavity part. While the cavity part and the core part are being further separated from one another the products are moved from the cavity part to the core part; and the products are ejected from the core part when the cavity part and the core part are still further separated from one another. Alternatively, the products are ejected from the cavity part.

REFERENCES:
patent: 4856977 (1989-08-01), Von Holdt
patent: 5244606 (1993-09-01), Maus et al.

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