Debris arrestor for valve bleed hole

Details Debris arrestor for valve bleed hole Debris arrestor for valve bleed hole

1990-06-13

1991-07-02

Walton, George L.

Fluid handling

With cleaner, lubrication added to fluid or liquid sealing...

Cleaning or steam sterilizing

15246, 247111, 92 96, 137245, 251 611, 411340, 411908, F16K 717, F16K 5100

Patent

active

050278509

ABSTRACT:
A fluid flow control valve has a diaphragm for sealing against a valve seat. The diaphragm includes a bleed hole for passing fluid from one side of the diaphragm to the other. A debris arrestor comprising a one-piece flexible tag is inserted into the bleed hole by deforming the tag to pass therethrough. The tag after insertion expands to retain itself in the bleed hole.

REFERENCES:
patent: 207482 (1878-08-01), Blessing
patent: 1501331 (1924-07-01), Gulick
patent: 3254664 (1966-06-01), Delaney et al.
patent: 3400731 (1968-09-01), McCornack
patent: 3444597 (1969-05-01), Bone
patent: 3763881 (1973-10-01), Jones
patent: 4050473 (1977-09-01), Cho
patent: 4105186 (1978-08-01), Eby
patent: 4301992 (1981-11-01), Karbo
patent: 4347932 (1982-09-01), Furutu
patent: 4505450 (1985-03-01), Saarem et al.
patent: 4787411 (1988-11-01), Moldenhauer
patent: 4911401 (1990-03-01), Holcomb et al.
Dennison Swiftach System 1000 Operating Instructions & Tags, 9/1989.

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