Filter cartridge incorporating a peripheral compatibility...

Details Filter cartridge incorporating a peripheral compatibility... Filter cartridge incorporating a peripheral compatibility...

2005-03-08

2005-03-08

Savage, Matthew O. (Department: 1724)

Liquid purification or separation

With repair or assembling means

C210S443000, C210SDIG009, C029S509000, C029S902000

Reexamination Certificate

active

06863811

ABSTRACT:
A filter assembly employs inward and outward radially displaced portions of a peripheral shoulder on the cartridge as components of a cartridge compatibility matrix. Alternative base assemblies include mounting structures complementary to the configuration of the peripheral shoulder to exclude incompatible cartridges. The peripheral shoulder is preferably a roll seam connecting first and second sections of the filter housing. The invention further contemplates a pattern of radial protrusions from a portion of the cartridge housing received in a base receptacle as part of a cartridge compatibility matrix. The base receptacle is configured to receive only those cartridges having a compatible pattern of radial protrusions. A cartridge compatibility matrix including both inward and outward deformations of a cartridge peripheral shoulder and radial protrusions of the received portion of the cartridge housing can ensure both cartridge compatibility and a particular mounted position of the cartridge relative to the base.

REFERENCES:
patent: 3225929 (1965-12-01), Sicard
patent: 5035797 (1991-07-01), Janik
patent: 5186829 (1993-02-01), Janik
patent: 5203994 (1993-04-01), Janik
patent: 5766463 (1998-06-01), Janik et al.
patent: 5837137 (1998-11-01), Janik
patent: 6187188 (2001-02-01), Janik et al.

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