Valve repair device

Details Valve repair device Valve repair device

1990-07-17

1991-10-01

Walton, George L.

Fluid handling

Processes

Cleaning, repairing, or assembling

2940215, 29890121, 137315, F16K 4300

Patent

active

050524283

ABSTRACT:
The present invention provides a repair device for a cracked valve. The present invention is a valve with at least one crack on the packing nut or threaded portion thereof wherein the valve has a repair device for the crack installed thereon. The repair device comprises the combination of: (a) means for reinforcing the threaded portion of the cracked valve; and (b) means for securing the reinforcing means to the cracked valve. The combination applies a circumferential clamping force on the cracked valve and a driving force on the packing nut. The present composition is useful in repairing cracked valves on containers such as high pressure seamless tubes used for transporting boron trifluoride gas.

REFERENCES:
patent: 2206707 (1940-07-01), Shaw
patent: 3194256 (1965-07-01), Gonella et al.
patent: 3323541 (1967-06-01), Schneider, Jr. et al.
patent: 4834137 (1989-05-01), Kawaguchi et al.
patent: 4955404 (1990-09-01), Pitzen
Superior Valve Company-Division of AMCAST Industrial Corp., "Chlorine Valves and Accessories"--Catalog CHL-90, pp. 1-4.
Book accompanying video on "The Chlorine Institute's Emergency A Kit".

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