Stacked filter supports with corresponding profile seals

Details Stacked filter supports with corresponding profile seals Stacked filter supports with corresponding profile seals

1989-11-02

1991-09-03

Dawson, Robert A.

Liquid purification or separation

Plural distinct separators

Filters

210450, 210486, 210488, B01D 2939

Patent

active

050451995

ABSTRACT:
This invention relates to a filtering apparatus for filtering liquids, in particular beverages. To attain an effective seal between two superimposed filter supports and the associated filter bodies in such a filtering apparatus, the upper side of an underlying filter support has formed therein a groove which opens upwards and has a substantially trapezoidal cross section and whose interior groove wall is substantially parallel to the inner wall of the apron of the filter support respectively lying thereabove, and the profiled seal has, on the whole, a substantially rectangular cross section, with the profiled seal portion supported on the respectively lower filter support being adapted to the cross section of the groove.

REFERENCES:
patent: 2104473 (1938-01-01), Watson
patent: 2813632 (1957-11-01), Muller
patent: 3450267 (1969-06-01), Jarvis
patent: 3831763 (1974-08-01), Breysse et al.
patent: 3854904 (1974-12-01), Jamet
patent: 4647415 (1987-03-01), Schaft
patent: 4655919 (1987-04-01), Schaft
patent: 4925570 (1990-05-01), Schaft

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