Support for quick mold changing

Details Support for quick mold changing Support for quick mold changing

1988-11-21

1990-05-29

Chiesa, Richard L.

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

2643287, 425192R, 425338, 4254513, 425589, B29C 4566

Patent

active

049291661

ABSTRACT:
The present invention relates to an injection molding machine having a novel key/slot arrangement for facilitating installation and removal of a central mold portion. The novel key/slot arrangement includes non-uniform width key elements on frame members which support the central mold portion and non-uniform width slots in side portions of the central mold portion for engaging the key elements. The machine further includes a novel rack/gear drive arrangement for insuring a proper positioning of the mold elements at all times.

REFERENCES:
patent: 3174189 (1965-03-01), Cutler et al.
patent: 4154566 (1979-05-01), Ward
patent: 4408981 (1983-10-01), Brown
patent: 4416604 (1983-11-01), Bender et al.
patent: 4473346 (1984-09-01), Hehl
patent: 4500274 (1985-02-01), Cyriax et al.
patent: 4500275 (1985-02-01), Ruhl
patent: 4555228 (1985-11-01), Nishiike et al.
patent: 4714421 (1987-12-01), D'Agostino
patent: 4718845 (1988-01-01), Sheffield et al.

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