Safety cover for injection molding machine

Details Safety cover for injection molding machine Safety cover for injection molding machine

1981-08-05

1983-05-10

Pavelko, Thomas P.

Plastic article or earthenware shaping or treating: apparatus

With safety feature

Secondary means to prevent accidental motion, or means to...

B29F 100

Patent

active

043827632

ABSTRACT:
A safety cover assembly for the die closing unit of an injection molding machine having three jointly or separately openable safety gates on the front, top and rear of the unit supported in a cantilever-type guide arrangement on a U-shaped supporting frame, and a stationary cover assembly attached to the same frame and forming pockets into which the safety gates are retracted when opened. The supporting frame consists of three identical frame members, each carrying a safety gate and a gate drive in the form of a timing belt loop, as well as safety interlock switches and a safety interlock linkage for the operation of hydraulic and/or mechanical interlock devices. One frame member also carries a die displacement measuring unit.

REFERENCES:
patent: 3386133 (1968-06-01), Weiner
patent: 3728057 (1973-04-01), Grundmann
patent: 3744949 (1973-07-01), Hehl
patent: 3771936 (1973-11-01), Moslo
patent: 3804003 (1974-04-01), Hehl
patent: 3877859 (1975-04-01), Grazine
patent: 4113414 (1978-09-01), Hehl

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