Pipe detecting arrangement for an hydrostatic pipe testing appar

Details Pipe detecting arrangement for an hydrostatic pipe testing appar Pipe detecting arrangement for an hydrostatic pipe testing appar

1977-10-13

1978-11-28

Petrakes, John

Measuring and testing

With fluid pressure

Pipe

73 496, G01M 328, G01M 302

Patent

active

041270266

ABSTRACT:
An arrangement in a testhead of an hydrostatic pipe testing apparatus for tripping a limit switch, which is connected to a control for a main hydraulic piston cylinder assembly for the testhead, upon the pipe's contact with the arrangement thereby interrupting the travel of the testhead. This tripping action is indicative that an end of the pipe is in proper engagement with a seal in the testhead prior to the introduction of the pressurized testing fluid into the interior of the pipe.

REFERENCES:
patent: 1841974 (1932-01-01), Naylor
patent: 2707876 (1955-05-01), McConnell et al.
patent: 2959955 (1960-11-01), Pasquale
patent: 3033025 (1962-05-01), McConnell et al.
patent: 3064467 (1962-11-01), Kortenhoven
patent: 3118546 (1964-01-01), McConnell et al.
patent: 3350921 (1967-11-01), Brauen et al.
patent: 3358497 (1967-12-01), Hauk
patent: 3460376 (1969-08-01), Kemp
patent: 3587294 (1971-06-01), Kost

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