Cleaning device for sieve discs

Details Cleaning device for sieve discs Cleaning device for sieve discs

2005-01-18

2005-01-18

Prince, Fred G. (Department: 1724)

Liquid purification or separation

Plural distinct separators

Filters

C210S391000, C210S411000, C425S199000

Reexamination Certificate

active

06843915

ABSTRACT:
A device for cleaning melt filters which are intended for filtering melts, particularly plastic material melts in extruders, and which include at least one moveable sieve disc with one or more exchangeable sieve inserts, wherein at least one sieve insert is moveable into a flow of cleaning medium within the device in such a way that the sieve insert is located above or below an inlet opening of a cleaning duct. The sieve insert is arranged in the sieve disc at a distance from the surface of the sieve disc which faces the inlet opening.

REFERENCES:
patent: 4619600 (1986-10-01), Gneuss
patent: 4850840 (1989-07-01), Gneuss
patent: 5090887 (1992-02-01), Gneuss
patent: 5200077 (1993-04-01), McNeice et al.
patent: 5407586 (1995-04-01), Gneuss
patent: 6325217 (2001-12-01), Hehenberger et al.
patent: 6325922 (2001-12-01), Schaller et al.

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