Filter device for extruders and injection-molding machines

Details Filter device for extruders and injection-molding machines Filter device for extruders and injection-molding machines

1996-03-21

1997-03-04

Woo, Jay H.

Liquid purification or separation

With repair or assembling means

Sliding or rolling on guide means

210447, 425185, 425190, 425199, B29C 4558, B29C 4768

Patent

active

056075839

ABSTRACT:
The invention relates to a filter device for extruders and injection-molding machines for the continuous processing of thermoplastic, the throughflow bore in the screen plunger being of a round design in the region of the inlet side and of the screen chamber and narrowing ovally following on from the rear side of the screen pack, the long axis of the oval extending in the direction of the displacement direction of the screen plunger.

REFERENCES:
patent: 4701118 (1987-10-01), Koching et al.
patent: 4725215 (1988-02-01), Kreyenborg et al.
patent: 5417856 (1993-05-01), Bacher et al.

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