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:
Jul. 15, 1997
Filed:
Sep. 19, 1995
Kvaerner Masa-Yards Oy, Helsinki, FI;
Abstract
An arrangement for inspecting arcuate plate assemblies of aluminum with a thickness of at least 20 mm, intended for the manufacturing of large spherical LNG-tanks or the like includes a fastening jig (3) for plate assemblies (4) to be inspected, and inspection and measuring means allowing, in a single fixation of a plate assembly (4) in the fastening jig (3), inspection of one or several weld joints (5). Measuring of the arcuate shape of a shape of the plate assembly (4), whereby, for the inspection of the weld joint(s) includes at one side of the plate assembly (4), a first carriage (19) movable along a first rail system (9), which carriage (19) is provided with a radiation source (20) for X-ray material inspection and, at the other side of the plate assembly (4) and a second carriage (14) movable along a second rail system (8), which the second carriage (14) is provided with a picture amplifier (16) and a video camera (17) for X-ray inspection. For shape inspection of the plate assembly (4), a laser measuring device (11) is located at a considerable distance from the plate assembly (4).