Locator ring for injection mold and composition therefor

Details Locator ring for injection mold and composition therefor Locator ring for injection mold and composition therefor

1991-03-12

1992-05-12

Heitbrink, Tim

Plastic article or earthenware shaping or treating: apparatus

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

With coupling between charger and mold

425472, B29C 4517, B29C 4526

Patent

active

051122146

ABSTRACT:
A device to position a mold is shaped like a doughnut having a tapered edge with four standardly positioned holes to fit a standard mold. The apertures in the mold having a narrow portion in the thick portion and a wider portion in the tapered portion of the ring. The ring material has lubricated 6/10 style of nylon having glass fiber loading, a type 6 nylon high impact modified nylon, a type 66 nylon which is mineral filled, a acrylonitrile butadiene styrene copolymer, a chemical blowing agent and a wax slipping agent.

REFERENCES:
patent: 4030869 (1977-06-01), Miller et al.
patent: 4909725 (1990-03-01), Ward

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