Device for filters, insert for filters and filter

Details Device for filters, insert for filters and filter Device for filters, insert for filters and filter

1988-05-16

1990-05-29

Spear, Frank

Liquid purification or separation

With repair or assembling means

210282, 210444, 210450, B01D 2708, B01D 3502

Patent

active

049293524

ABSTRACT:
A filter device includes a circular adapter firmly and integrally connected to a head as a unit enclosing therebetween a fluid distribution compartment in a fluid-tight manner. The head is provided with upward extending outflow and feed connectors. The adapter is provided with downward extending cartridge connectors to which filter cartridges are connectable. The head and adapter unit is further provided with a conical collar on its outer periphery. A gripping clamping ring surrounds the collar. Between the collar and the clamping ring, the top region of at least one flexible foil bag is clamped. The outer conical surface of the clamping ring is pressed against an inwardly directed conical surface on the upper rim of a filter pot.

REFERENCES:
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patent: 3746171 (1973-07-01), Thomsen
patent: 3954624 (1976-05-01), Petrucci
patent: 4517085 (1985-05-01), Driscoll et al.
patent: 4579657 (1986-04-01), Hood, Jr.
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patent: 4711717 (1987-12-01), Wolf
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patent: 4764275 (1988-08-01), Robichaud
patent: 4806240 (1989-02-01), Giordano et al.
patent: 4818396 (1989-04-01), Wolf
patent: 4836925 (1989-06-01), Wolf
patent: 4855047 (1989-08-01), Firth
patent: 4857191 (1989-08-01), Wolf
International Patent Publication WO88/05333, Donaldson Company Inc., 28 Jul. 1988, (Priority date of 16 Jan. 1987).

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