Mold plate control mechanism for a multiple plate mold

Details Mold plate control mechanism for a multiple plate mold Mold plate control mechanism for a multiple plate mold

1990-03-08

1992-04-14

Heitbrink, Timothy

Plastic article or earthenware shaping or treating: apparatus

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

With means to close mold

2643281, 4254514, 4254519, 425592, 425593, 425595, B29C 4566

Patent

active

051043084

ABSTRACT:
One aspect of the invention is a mechanism for controlling the movements of the plates in a multiple plate mold. The mold is secured to a press in an injection molding system having a support plate and top clamp plate. The mechanism includes a member pivotally mounted to the outside of the mold and an arm attaching the press support plate to the member. In a preferred embodiment, two guides are attached to the press top clamp plate and middle moving plate of a three plate mold. The guides travel in curved channels formed in the member to determine the relative positions of the plates.

REFERENCES:
patent: 2972777 (1961-02-01), Ghignatti
patent: 3706116 (1972-12-01), Drazick
patent: 4718845 (1988-01-01), Sheffield
Page K-36-37, D-M-E Standard Jiffy Latch-Lok Assemblies.
Two pages from a Torrington catalogue.

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