Chemical apparatus and process disinfecting – deodorizing – preser – Physical type apparatus – Means separating or dissolving a material constituent
Patent
1977-08-15
1978-10-31
Sever, Frank
Chemical apparatus and process disinfecting, deodorizing, preser
Physical type apparatus
Means separating or dissolving a material constituent
99312, 99314, 99315, 210409, 210456, 210477, 210481, 210482, 422261, 422266, B01D 5922
Patent
active
041232283
ABSTRACT:
A filter for liquids and particularly coffee comprises a container having a planar horizontal base formed with at least one filtrate drainage opening, and on its inner face formed with a plurality of radial ribs and a central support member which together support a generally planar filter element of thin sheet material in spaced parallel relationship to the base. In use the arrangement produces a toroidal circulation of liquid which prevents compaction of the filter cake and reduces clogging of the filter element.
REFERENCES:
patent: 57218 (1866-08-01), Thomas
patent: 960419 (1910-06-01), Selg
Frei Roland
Gutmann Franz
Koeppel Peter
Sieber Peter
Plaston AG, Kunststoffwerke Hans Frei & Sohne
Sever Frank
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