Molding die apparatus

Details Molding die apparatus Molding die apparatus

1974-06-26

1977-03-01

Shore, Ronald J.

Plastic article or earthenware shaping or treating: apparatus

With means lubricating cooperating apparatus parts

249 68, 425242R, 425444, B29F 114

Patent

active

040099792

ABSTRACT:
A die frame assembly wherein an ejector plate having ejector pins extending therefrom is reciprocally mounted on support posts in the frame assembly through replaceable and lubricated bushings on the ejector plate. The support posts extend between the base or clamping plate and the central sprue section of the frame for rigid support thereof. The support posts are desirably hardened or case-hardened for long wearing.

REFERENCES:
patent: 2587070 (1952-02-01), Spillman
patent: 3044121 (1962-07-01), Wiskoff et al.
patent: 3270383 (1966-09-01), Hall et al.
patent: 3687591 (1972-08-01), Perego
patent: 3695572 (1972-10-01), Jullien-Davin
patent: 3794286 (1974-02-01), Jullien-Davin
patent: 3841823 (1974-10-01), Hehl
patent: 3899282 (1975-08-01), Jesse

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