Reusable coffee filter

Details Reusable coffee filter Reusable coffee filter

1979-02-15

1980-11-04

Sever, Frank

Liquid purification or separation

With repair or assembling means

210481, 210482, 210497FB, 248 94, B01D 2328, B65B 3900, B67C 1100

Patent

active

042318769

ABSTRACT:
A coffee filter which may be used repeatedly is described. It comprises a funnel-shaped housing having an outlet port at the lower end. A filter of similar shape is fitted into the housing and is so dimensioned as to provide a clearance of between 0.2 to 1.5 mm. The filtering element is so dimensioned that the upper rim thereof forms a seal with the inner wall of the housing. The outlet port of the housing has a restriction in order to assume a continuous flow of the filtrate between the funnel-shaped housing and the filtering element.

REFERENCES:
patent: 2166980 (1939-07-01), Welsh

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