G - Physics
01
B
33/164
G01B 3/26 (2006.01) E21B 23/10 (2006.01) E21B 47/08 (2006.01) G01B 5/12 (2006.01) G01B 5/207 (2006.01)
Patent
CA 1141533
CALIPERING TOOL Letters Abstract A calipering tool for use in a pipe and having a body and feeler means mounted with the body for engaging the surfaces of the pipe being calipered and with feelers moving in response to variations in the surface of the pipe, the improvement residing in mechanisms with the body for permitting the body of the calipering tool to be pumped in response to fluid pressure thereon into and out of the pipe for operation of the calipering tool.
355934
Anderson Clifford E.
Dieckman Harry E.
Kinley John C.
George H. Riches And Associates
Kinley (j.c.) Company
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