Ejector retraction mechanism

Details Ejector retraction mechanism Ejector retraction mechanism

1976-11-26

1978-04-04

Flint, Jr., J. Howard

Static molds

Including means to apply force to remove or release product...

Pin or sleeve means

249205, 425444, 74527, 425DIG5, B29F 114, B29C 700

Patent

active

040822451

ABSTRACT:
A mold base supporting mold cavity plates for movement between open and closed positions and having an ejector mechanism movable between ejecting and retracting positions relative to one of the mold cavity plates includes an ejector retraction mechanism for moving the ejector mechanism to its retracted position relative to the one mold cavity plate before the cavity plates reach a predetermined position during the mold closing cycle and for releasably retaining the ejector mechanism in its retracted position until the mold base opens to a predetermined position.

REFERENCES:
patent: 2483093 (1949-09-01), Harvey
patent: 2483094 (1949-09-01), Harvey
patent: 2860376 (1958-11-01), Graves et al.
patent: 3516302 (1970-06-01), Muttart
patent: 3724802 (1973-04-01), Veneria
patent: 3811645 (1974-05-01), Feist
patent: 3986805 (1976-10-01), Haines

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