Filter screen and method of making same

Details Filter screen and method of making same Filter screen and method of making same

1993-09-02

1996-02-20

Rivell, John

Fluid handling

Processes

Cleaning, repairing, or assembling

137550, 210445, 210448, 210452, B01D 3504

Patent

active

054921430

ABSTRACT:
A filter for a valve inlet is drawn into a flat-bottomed cup shape from a blank of fine mesh woven screen and formed with an outwardly extending mounting flange of material folded back on itself. The region of the cup-shape proximate the flange is enlarged to a predetermined diameter for closely interfitting the flow passage into which the cup-shaped member is installed.

REFERENCES:
patent: 872437 (1907-12-01), Leonard
patent: 1156274 (1915-10-01), Cormeny
patent: 1331732 (1920-02-01), Wait
patent: 1832776 (1931-11-01), Hudson
patent: 1971120 (1934-08-01), Rice et al.
patent: 2598818 (1952-06-01), Muirhead
patent: 2642261 (1953-06-01), Gates
patent: 2936099 (1960-05-01), Smith
patent: 3396848 (1968-08-01), Kozel
patent: 3749250 (1973-07-01), Oldford
patent: 5188731 (1993-02-01), Lapoint, Jr.

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