Pipeline joint tester

Details Pipeline joint tester Pipeline joint tester

1977-10-31

1980-01-08

Simmons, David A.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156122, 156159, 156191, 277228, B65H 8100

Patent

active

041826426

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: 675164 (1901-05-01), Palmer et al.
patent: 1531385 (1925-03-01), Gammetir
patent: 1668390 (1928-05-01), Auman
patent: 2090210 (1937-08-01), Lee
patent: 2147771 (1939-02-01), Hathaway
patent: 2473784 (1949-06-01), Carlin
patent: 2623571 (1952-12-01), Webber
patent: 3897088 (1975-07-01), Beinhaur
patent: 3980920 (1976-01-01), Kicherer

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