Spiral wrapped fluid treatment element

Details Spiral wrapped fluid treatment element Spiral wrapped fluid treatment element

1989-03-23

1991-08-13

Dawson, Robert A.

Liquid purification or separation

Filter

With central pervious tubular receiver

210491, 2104971, 55498, 55520, 55524, B01D 2706, B01D 2907

Patent

active

050394134

ABSTRACT:
Filter cartridge elements are provided with a spiral wrapping made from a thermoplastic polymer to give stability against inside-out flow and to protect the filtration medium. The spiral wrapping is attached to underlying turns of the wrap and to the surface of the filter cartridge by fusion bonding.

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