Liquid purification or separation – With repair or assembling means
Patent
1994-02-04
1995-07-25
Savage, Matthew O.
Liquid purification or separation
With repair or assembling means
210238, 210437, 210448, 210457, 210486, 210489, B01D 2917, B01D 2919
Patent
active
054359163
ABSTRACT:
An improved filter assembly for filtering liquid, in particular milk. The improved assembly comprises a retainer for connecting the filter assembly to a liquid supply tube, a filter sock, having a predetermined diameter and length, for filtering the liquid, and an internal support coil, having coils of varying pitch, located within and supporting the filter sock, also having a predetermined diameter and length. The internal support coil extends substantially the entire length of the filter sock. The diameter of the filter sock is slightly greater than the diameter of the internal support coil so that the filter sock fits snugly over the internal support coil. The predetermined length of the filter sock is longer than the predetermined length of the internal support coil so that a flexible tab is provided at the open end of the filter sock. The retainer includes a lip for preventing the filter sock and internal support coil from moving away from the pressure of the liquid as it flows out of the liquid supply tube under pressure and through the improved filter assembly.
REFERENCES:
patent: 1249762 (1917-12-01), Jenkins
patent: 2145047 (1939-01-01), Goldkamp
patent: 3358839 (1967-12-01), Simons
patent: 4637879 (1987-01-01), Hartley
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