Methods and apparatus for testing roundness and straightness of

Details Methods and apparatus for testing roundness and straightness of Methods and apparatus for testing roundness and straightness of

1980-08-27

1982-10-19

Ciarlante, Anthony V.

Measuring and testing

With fluid pressure

Dimension, shape, or size

33DIG2, 73432R, G01B 512

Patent

active

043543790

ABSTRACT:
A carefully dimensional drift is passed through a pipe section by fluid pressure to assure that the pipe is round and straight and of the right dimensions. The drift is light weight with an elastic contact surface, preferably of 70-D durometer hardness urethane, and thus is easily handled, adaptable to the fluid transit through the pipe and offers very long wear.

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patent: 4170902 (1979-10-01), Pallan

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