Control means for a pipe tester

Details Control means for a pipe tester Control means for a pipe tester

1976-11-01

1980-12-09

Swisher, S. Clement

Measuring and testing

With fluid pressure

Pipe

G01M 1900, G01N 310

Patent

active

042377234

ABSTRACT:
A transducer control arrangement in a hydrostatic pipe testing machine or pipe tester, for preventing a change in the positioning of the pipe relative to a testhead seal as testing fluid is introduced into the pipe. A transducer signal activates at least one pump to operate a piston cylinder assembly connected to the testhead to reduce or eliminate any relative movement between the testhead seal and the pipe.

REFERENCES:
patent: 2050629 (1936-08-01), Quereau et al.
patent: 2705888 (1955-04-01), Sedgwick
patent: 2907202 (1959-10-01), McConnell
patent: 3312103 (1967-04-01), Goeke
patent: 3350921 (1967-11-01), Braver et al.

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