Filter cartridge with end densification ring

Details Filter cartridge with end densification ring Filter cartridge with end densification ring

1992-04-01

1993-07-06

Dawson, Robert A.

Liquid purification or separation

With repair or assembling means

2104932, 2104935, 291638, 156218, B01D 2706

Patent

active

052250776

ABSTRACT:
A filter cartridge comprising a pleated, cylindrical filter element is provided with an end densification ring to cause the ends of the pleats to pack together more tightly. In this configuration they can be more easily and securely sealed in an end cap closing off an end of the filter cartridge.

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patent: 4154688 (1979-05-01), Pall
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patent: 4522719 (1985-06-01), Kuwajima et al.
patent: 4536291 (1985-08-01), Hoffman et al.
patent: 4861479 (1989-08-01), Solzer
patent: 4929354 (1990-05-01), Meyering et al.

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