Self-contained molding apparatus and method for clamping the mol

Details Self-contained molding apparatus and method for clamping the mol Self-contained molding apparatus and method for clamping the mol

1995-02-21

1997-09-09

MacKey, James P.

Plastic article or earthenware shaping or treating: apparatus

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

With means to close mold

425590, 425595, B29C 4564

Patent

active

056654057

ABSTRACT:
A method and apparatus for clamping a plastic injection mold. The apparatus utilizes leader pins connected directly to a pair of mold sections. By directly connecting the leader pins to the mold sections, standard platens and housings can be eliminated, thereby reducing the overall weight and dimensions of the apparatus. An ejection assembly and runner assembly are bolted onto the mold sections, but are not subjected to clamping pressures during the molding process. Since these assemblies are not subject to clamping pressures, the standard housings usually provided on these assemblies may also be eliminated.

REFERENCES:
patent: 3156014 (1964-11-01), Wenger
patent: 3697212 (1972-10-01), Herbst
patent: 3737278 (1973-06-01), Putzler
patent: 4105385 (1978-08-01), Hehl
patent: 4201533 (1980-05-01), Holzschuh
patent: 4403810 (1983-09-01), Bieneck
patent: 4425091 (1984-01-01), Prince
patent: 5368463 (1994-11-01), Kassner et al.

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