Pipe inspection device

Details Pipe inspection device Pipe inspection device

1981-05-04

1983-05-10

Ciarlante, Anthony V.

Measuring and testing

Vibration

By mechanical waves

73623, 2503581, G01N 2904

Patent

active

043823831

ABSTRACT:
An inspection device for use in scanning the interior of a pipe at a remote location is accurately centered within the pipe at the required location by two spiders. Each spider has three sickle-shaped arms which can be extended and retracted between operative and inoperative positions. The six spider arms are interconnected by a crank mechanism which ensures that all the arms move in unison between their limit positions.

REFERENCES:
patent: 3483466 (1969-12-01), Crouch et al.
patent: 3584504 (1971-06-01), Proctor et al.
patent: 3766775 (1973-10-01), Gunkel
patent: 4006359 (1977-02-01), Sullins et al.
patent: 4162635 (1979-07-01), Triplett et al.

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