Pipeline joint tester

Details Pipeline joint tester Pipeline joint tester

1976-11-04

1978-01-31

Swisher, S. Clement

Measuring and testing

With fluid pressure

Leakage

73 496, G01M 328

Patent

active

040709043

ABSTRACT:
A high-pressure joint tester includes a pair (or two pairs) of plugs, each plug having an annular rigid channel containing an inflatable elastomeric annular tube. The spaced, parallel plugs are joined together by a rigid cylindrical wall extending between inner sides of the channels. The tubes are inflated at preselected pressures to seal against interior pipe walls on opposite sides of a locus where two pipe ends meet at a joint, and fluid is introduced under pressure through the cylindrical wall to the outer surface thereof. Rollers support the device for movement through the pipeline to be tested.

REFERENCES:
patent: 3400574 (1968-09-01), Cramer
patent: 3750711 (1973-08-01), Conklin et al.
patent: 3915197 (1975-10-01), Piccirilli

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