Liquid purification or separation – Filter – Within flow line or flow line connected close casing
Patent
1993-10-18
1995-09-26
Savage, Matthew O.
Liquid purification or separation
Filter
Within flow line or flow line connected close casing
210450, 210DIG17, B01D 2708
Patent
active
054531950
ABSTRACT:
The filter includes an end plate stamped and drawn from sheet metal and formed with four upright walls generally defining a square and having inlet openings therein. Relatively deep gussets are located between the walls for strengthening purposes. Located outwardly of the walls and gussets is a flat peripheral portion of relatively small area and defining a flat surface to which a sheet metal retaining ring is welded. The ring is seamed to the canister of the filter by a hem which hooks beneath a short radially extending lip of the canister.
REFERENCES:
patent: 3616933 (1971-11-01), Baldwin
patent: 4237015 (1980-12-01), Fearnhead
patent: 5301958 (1994-04-01), Covington
Trade Literature and Drawing relating to Donaldson HMK-04 Spin-On Fluid Filter (circa 1991).
Technical Publication entitled "Beadlock Fastening" (circa 1991).
Busch Melvin E.
Jorgenson Kenton L.
Perleberg Wilhelm A. A.
Ridgway Russell D.
Baldwin Filters, Inc.
Savage Matthew O.
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