Filtering means for the filtration of extraction beverages, in p

Details Filtering means for the filtration of extraction beverages, in p Filtering means for the filtration of extraction beverages, in p

1996-08-22

1998-01-27

Walker, W. L.

Liquid purification or separation

Filter

Supported, shaped or superimposed formed mediums

99295, 426 77, 426 84, B01D 3914

Patent

active

057118809

ABSTRACT:
A filter for the filtration of extraction beverages includes a disk having a plurality of apertures through which the beverage extracted from the material to be extracted passes form the afflux side to the efflux side. Each aperture is formed by cut edges in the disk and by bending a cut edge away from the surface of the disk to form a roof-shaped dome. The filter is formed by a single punching, bending and embossing operation without scrap slug being produced.

REFERENCES:
patent: 4443233 (1984-04-01), Moran
patent: 4801379 (1989-01-01), Ehrsam et al.
patent: 5008013 (1991-04-01), Favre et al.
patent: 5190653 (1993-03-01), Herrick et al.
patent: 5292437 (1994-03-01), Ford
patent: 5384044 (1995-01-01), Burgess

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