Non-leaking valve

Details Non-leaking valve Non-leaking valve

1994-11-25

1996-04-23

Walton, George L.

Fluid handling

Processes

Cleaning, repairing, or assembling

251216, 251900, F16K 3150

Patent

active

055094350

ABSTRACT:
Disclosed is a valve having (A) a valve body with an aperture therethrough, a threaded tap crossing the aperture and opening to only one side of the valve body, (B) a tap screw having a head of larger diameter adopted to screw into the threaded tap, where the tap screw has a hole therethrough which aligns with the aperture when the valve is in an opened position and which is at a substantially right angle to said aperture when the valve is in a closed position, and (C) an o-ring fitted under the head of the tap screw which is compressed between the head and the valve body when the valve is in an opened or closed position.

REFERENCES:
patent: 257983 (1882-05-01), Scofield
patent: 261671 (1882-07-01), Carney
patent: 409031 (1889-08-01), Forniraseo
patent: 863953 (1907-08-01), Tribbey
patent: 955531 (1910-04-01), Mueller
patent: 1293218 (1919-02-01), Shannon et al.
patent: 1548091 (1925-08-01), Lombardi
patent: 2496030 (1950-01-01), Winey
patent: 3422679 (1969-01-01), McGowan et al.
patent: 4986502 (1991-01-01), Ceroke

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