Extruder

Details Extruder Extruder

1997-09-26

1999-01-05

Nguyen, Khanh P.

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

425186, 425190, 425203, 425204, 425205, 425584, 425447, 425449, 425461, 366 761, 366 765, 366 7693, B29B 748, B29B 760

Patent

active

058559272

ABSTRACT:
An extruder for the plastification and extrusion of a rubber mixture in the form of two cold material strips through two inlet passages (4, 5) has in a housing (1) two gears (2, 3) meshing with one another in the manner of a gear pump. The inlet passages (4, 5) are provided each in an insert (8, 9) which is held replaceably in the housing (1). In this manner it becomes possible, by exchanging the inserts (8, 9) to adapt to various materials to be worked by the extruder.

REFERENCES:
patent: 4286882 (1981-09-01), Schiesser
patent: 4711647 (1987-12-01), Crathmann
patent: 4718770 (1988-01-01), Christy
patent: 5267847 (1993-12-01), Bohm et al.
patent: 5378415 (1995-01-01), Crohlisch et al.
T. Bartilla, "Zahnrapumpen in Neuen Extrusionsanwendungen" (Gear Pumps In New Uses of Extrusion), in Kunststoffe 82 (Synthetics 82), 1992, 10, pp. 927-930.

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