Filter element having a nonwoven layer and a permeable shrink tu

Details Filter element having a nonwoven layer and a permeable shrink tu Filter element having a nonwoven layer and a permeable shrink tu

1996-04-12

1998-01-13

Walker, W. L.

Liquid purification or separation

Filter

Supported, shaped or superimposed formed mediums

21049701, B01D 2704

Patent

active

057075212

ABSTRACT:
A filter element having a first tube 2 and a second tube 3, the outer circumferential surface of the first tube 2 being surrounded by a nonwoven layer 4, and the second tube 3 surrounding the first tube 2. On the outer periphery of the second tube 3 there is a yarn and/or paper winding 5, and a shrink tube 6 presses the yarn and/or paper winding 5 against the second tube.

REFERENCES:
patent: 3334752 (1967-08-01), Matravers
patent: 4156601 (1979-05-01), Pieciak
patent: 4767426 (1988-08-01), Daly et al.
patent: 4838905 (1989-06-01), Billiet et al.
patent: 4882056 (1989-11-01), Degen et al.

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