Injection molding assembly

Details Injection molding assembly Injection molding assembly

1984-10-01

1986-05-13

Woo, Jay H.

Plastic article or earthenware shaping or treating: apparatus

With apparatus assembly or dismantling means or with idle part

Plural wear or shaping surfaces mounted for alternative use

2642972, 2643288, 425185, 425190, B29C 4507

Patent

active

045883653

ABSTRACT:
There is disclosed an injection molding assembly comprised of a tool unit and two extruder units each including a drive unit spatially-disposed from one another and mounted for transverse movement with respect to the tool unit. In one embodiment of the present invention, if the extruder units are provided with hydraulic drive units, the extruder unit which is not coupled to the tool unit may be placed in fluid communication via a switching device with a low capacity hydraulic pump.

REFERENCES:
patent: 2465656 (1949-03-01), Morin
patent: 3464091 (1969-09-01), Bielfeldt
patent: 4421469 (1983-12-01), Egger et al.

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