Plastic material changing unit in an injection molding machine

Details Plastic material changing unit in an injection molding machine Plastic material changing unit in an injection molding machine

1994-08-05

1995-08-08

Heitbrink, Tim

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

425190, 425192R, B29C 4523

Patent

active

054393671

ABSTRACT:
An injection molding unit for processing synthetic materials has a changing unit provided with several connecting bores, transversally lockable separately controllable stoppers, for optional connection to supply lines. The stationary connecting bores are arranged at a basic body radially around a central feed opening, which is at least partially bordered by the stoppers when they are out of operation. Consequently the necessary space requirement as well as the effort for running in the stoppers can be reduced.

REFERENCES:
patent: 3980208 (1976-09-01), Hehl
patent: 4418845 (1983-12-01), Hehl
patent: 4731005 (1988-03-01), Hehl
patent: 4753589 (1988-06-01), Hehl
patent: 4889479 (1989-12-01), Hehl
patent: 5022847 (1991-06-01), Hehl

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