Extrusion die

Details Extrusion die Extrusion die

2006-06-20

2006-06-20

Heitbrink, Tim (Department: 1722)

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...

Reexamination Certificate

active

07063525

ABSTRACT:
An extrusion die for injecting plasticizable elastomers into a cavity of an injection-molding die, wherein the extrusion die is mounted on a cold-channel block which, for distribution of the material plasticized in a plasticization aggregate, is arranged between the aggregate and the injection-molding die. The extrusion die opening can be closed off with a needle that forms the extrusion-die-opening end of an insert that can be displaced in the extrusion die body and has a material transport channel. An external drive is provided for the displacement movement.

REFERENCES:
patent: 3912133 (1975-10-01), Hehl
patent: 4010903 (1977-03-01), Sakuri et al.
patent: 5113576 (1992-05-01), van Boekel et al.
patent: 6358039 (2002-03-01), Manner et al.
patent: 2 336 099 (1975-02-01), None

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