Title:
METHOD OF MEASURING BORE DISTRIBUTION OF PIPE
Document Type and Number:
Japanese Patent JPS5237464
Kind Code:
A
Abstract:
PURPOSE: A bore detecting section disposed with four pieces of distance detecting sections at an equal interval on the same circumference is rotatably, liftably and laterally movably disposed to a track and is revolved within the pipe to be measured, whereby pipe bore distribution is nondestructively measured.
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Inventors:
YAMADA TAKEO
ANDOU SEIGO
WATANABE KATSUJIROU
ANDOU SEIGO
WATANABE KATSUJIROU
Application Number:
JP11313775A
Publication Date:
March 23, 1977
Filing Date:
September 20, 1975
Export Citation:
Assignee:
NIPPON KOKAN KK
International Classes:
G01B21/14; G01B5/08; G01B21/20; (IPC1-7): G01B5/08
Domestic Patent References:
JPS49134358A | 1974-12-24 | |||
JPS4713486A |