Fluid distribution lockout apparatus

Details Fluid distribution lockout apparatus Fluid distribution lockout apparatus

1982-07-06

1985-03-12

Chambers, A. Michael

Fluid handling

With casing, support, protector or static constructional...

Guards and shields

137384, 137315, 138 89, 411911, F16K 3500

Patent

active

045038805

ABSTRACT:
A lockout device for a consumer gas supply includes a swivel pipe having an intermediate angulated section having a swivel connector at one end and a threaded connection at the opposite end. The swivel pipe is connected to the gas meter. An expandable plug unit includes a rubber plug with hardened washers abutting the opposite ends. A nut is fixedly attached to one washer and an expanding bolt of a hardened metal extends through washers and plugs with a threaded connection to the nut. The head has a screw driver slot which permits rotating the bolt only to expand the plug. The washers and bolt are formed of a case hardened steel so as to require special shop drill to destroy plug unit for removal and reopening the swivel pipe.

REFERENCES:
patent: 2155491 (1939-04-01), Jacobs
patent: 2620822 (1952-12-01), Peterson et al.
patent: 2659952 (1953-11-01), Schlueter
patent: 2993616 (1961-07-01), Carlile, Jr. et al.
patent: 3615159 (1971-10-01), Munoz
patent: 3946754 (1976-03-01), Cook

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