Plasticizing assembly for use in an injection molding machine fo

Details Plasticizing assembly for use in an injection molding machine fo Plasticizing assembly for use in an injection molding machine fo

1993-07-09

1994-12-27

Heitbrink, Tim

Plastic article or earthenware shaping or treating: apparatus

Female mold and charger to supply fluent stock under...

With means between charger and mold to cut off flow of...

366 77, 425564, B29C 4523

Patent

active

053759931

ABSTRACT:
A plasticizing assembly for use in an injection molding machine for processing synthetic materials having a plasticizing cylinder at which a nozzle body is mounted and that is provided with a rotatable feed screw disposed in a cylindrical chamber with an inside diameter substantially corresponding to the diameter of the feed screw. The inside diameter of the nozzle body section is tapered to the inside diameter of the nozzle channel, taking as starting point the rear end diameter in a transition section between the plasticizing cylinder and the nozzle body. A chamber is provided in the transition section between the plasticizing cylinder and the nozzle body for spatial fixing of an adapter, which has an outlet transversely disposed with respect to an injection axis and which adapts the inside diameter of the chamber to the rear end diameter of the nozzle body. In such an arrangement, the plasticizing cylinder can be changed without necessarily changing the nozzle body, too.

REFERENCES:
patent: 2265995 (1941-12-01), Beyerlein
patent: 3915358 (1975-10-01), Hehl

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