Molding ejector device for interchangeable molds

Details Molding ejector device for interchangeable molds Molding ejector device for interchangeable molds

1994-02-04

1995-09-19

Woo, Jay H.

Plastic article or earthenware shaping or treating: apparatus

With apparatus assembly or dismantling means or with idle part

For extrusion or injection type shaping means

425444, 425556, 249 67, B29C 4540

Patent

active

054511569

ABSTRACT:
A mold assembly has an ejector assembly which includes a rotating camming device and a longitudinally sliding locking device. The ejector pins of the ejector assembly are replaced by rotating the camming device to slide the locking device into a disengaged position. The ejector pins are now free to be removed from the mold assembly. Once new ejector pins are inserted into the mold assembly the camming device is rotated back to its engaged position to lock the ejector pins into the mold assembly. The rotation of the camming device is in excess of 180.degree. which provides a locking feature in both the engaged and disengaged positions.

REFERENCES:
patent: 3706116 (1972-12-01), Drazick
patent: 3930778 (1976-01-01), Roncelli
patent: 4082245 (1978-04-01), Santos
patent: 4174939 (1979-11-01), Fenner
patent: 4516868 (1985-05-01), Molnar

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