Extruder housing for a double-worm extruder and method of making

Details Extruder housing for a double-worm extruder and method of making Extruder housing for a double-worm extruder and method of making

1990-10-31

1992-05-26

Jenkins, Robert W.

Agitating

Miscellaneous

366 84, B01F 708, B29B 110

Patent

active

051161354

ABSTRACT:
An extruder-housing part for a double-worm extruder for the plastification of thermoplastic synthetic resin and plastic mixtures has two chambers for receiving the worms and forming a figure eight cavity. A wear-resistant material formed as a hard-phase layer is provided to line the chambers. The extruder-housing part is a one-piece seamless structure with an isotropic lattice of powder metallurgical origin with a hot isostatic pressing configuration.

REFERENCES:
patent: 4117583 (1978-10-01), Gnadig
patent: 4127331 (1978-11-01), Herbert
patent: 4247206 (1981-01-01), Zahradnik
patent: 4773763 (1988-09-01), Weber

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