Liquid filtration device

Details Liquid filtration device Liquid filtration device

1977-04-06

1978-08-29

Cuchlinski, Jr., William A.

Liquid purification or separation

Filter

Resting on supporting receiver, e.g., portable

99302R, B01D 2300

Patent

active

041102215

ABSTRACT:
A filter, mainly for coffee-making devices, comprises a cup-shaped cylindrical member and a circular member partially closing the top aperture of the cup-shaped cylindrical member so as to leave a filter-forming circular gap therebetween. This gap increases in width from the inner edge of the cup-shaped member inwards; the top face of the circular member may constitute the bottom of the filtration chamber. Means may be provided for adjusting the relative spacing of these members and therefore the width of the filter-forming gap. Ribs or shims may be provided on either of the two members for maintaining a permanent gap width.

REFERENCES:
patent: 99840 (1870-02-01), Burrough
patent: 759811 (1904-05-01), Graham
patent: 1679372 (1928-08-01), Pease
patent: 2370674 (1945-03-01), Lucia
patent: 2392656 (1946-01-01), Foster

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