The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 22, 2016
Filed:
Nov. 12, 2013
Applicant:
Hitachi Zosen Corporation, Osaka-shi, Osaka, JP;
Inventor:
Toshiyuki Okada, Osaka, JP;
Assignee:
HITACHI ZOSEN CORPORATION, Osaka-shi, JP;
Primary Examiner:
Int. Cl.
CPC ...
E21D 11/40 (2006.01); E21D 9/06 (2006.01); G01B 21/20 (2006.01); G01B 21/22 (2006.01); G01B 11/24 (2006.01);
U.S. Cl.
CPC ...
E21D 11/40 (2013.01); E21D 9/06 (2013.01); G01B 11/2408 (2013.01); G01B 21/20 (2013.01); G01B 21/22 (2013.01);
Abstract
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.