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:
Oct. 18, 2016
Filed:
Feb. 07, 2013
Ihi Corporation, Koto-ku, Tokyo, JP;
IHI Corporation, Tokyo, JP;
Abstract
An inner diameter measuring device, comprising a measurement carriage traveled in straight direction, pipe holding frames disposed at front and rear positions and for mounting a pipe to be measured, a measuring head supported at a forward end of a supporting member extended in a direction parallel to advancing direction of the measurement carriage, a first and second laser distance measuring unit disposed in traveling distance of the measurement carriage and for performing distance measurement in two directions perpendicularly crossing to each other, wherein the pipe holding frames can adjust a supporting position of the pipe to be measured, the measuring head measures an inner diameter of the pipe to be measured, the first and second laser distance measuring units measure distance with respect to each of the reference outer peripheral surfaces at the parts, and the supporting position of the pipe to be measured is adjusted.