Tube of non woven material for reversed osmosis

Details Tube of non woven material for reversed osmosis Tube of non woven material for reversed osmosis

1975-12-03

1980-07-29

Aegerter, Richard E.

Pipes and tubular conduits

Distinct layers

Bonded to each other

138150, 138154, 138129, 138137, 210 23H, 210500M, 210321R, 156 732, F16L 916

Patent

active

042146127

ABSTRACT:
A composite tubular assembly comprising a membrane for membrane filtration fixed to the inner side of a tube of non woven material, consisting of a wound band of a sealable fibres containing non woven material, which may be helically or non helically wound, consecutive overlapping windings of the band being completely interconnected by ultrasonic heatsealing and thereby forming a smooth inner wall of the tube.

REFERENCES:
patent: 3002534 (1961-10-01), Noland
patent: 3312250 (1967-04-01), Sirignano et al.
patent: 3341024 (1967-09-01), Lowe et al.
patent: 3457170 (1969-07-01), Havens
patent: 3575752 (1971-04-01), Carpenter
patent: 3676193 (1972-07-01), Cooper et al.

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