Segment roundness measuring device and segment roundness measuring method

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United States of America Patent

PATENT NO 9500078
APP PUB NO 20150308268A1
SERIAL NO

14649699

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Abstract

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A segment roundness measuring device including a correction means that corrects the positional deviation of the turning center of an erector turning portion resulting from eccentricity on the basis of an angle detected by an angle detector and distances measured by three or more distance meters arranged at angular positions different from each other in the erector turning portion.

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Patent Owner(s)

  • HITACHI ZOSEN CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Okada, Toshiyuki Osaka, JP 51 627

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