Gas service testing gauge

Details Gas service testing gauge Gas service testing gauge

1995-04-21

1996-08-27

Williams, Hezron E.

Measuring and testing

With fluid pressure

Pipe

73 491, 73 405, 73 405R, G01M 304

Patent

active

055489931

ABSTRACT:
The invention is an improvement of the method and apparatus used to test gas service lines at residential or business locations such that the application of air pressure into the system, the reading and monitoring of the gauge and the ultimate release of the air pressure from the system is conducted with the use of one device which is applied at one location.

REFERENCES:
patent: 3756072 (1973-09-01), MacMurray
patent: 4063317 (1977-12-01), Santore
patent: 4722221 (1988-02-01), Ferguson
patent: 4895018 (1990-01-01), Asbra
patent: 4998434 (1991-03-01), Asbra

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