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:
Aug. 24, 1999
Filed:
Sep. 08, 1997
Abstract
Process of producing a laminar structure including metal sheets which are superposed on each other, wherein a plurality of sheet metal blanks corresponding to and having the same thickness values as the metal sheets, respectively, are superposed on each other, the process comprising the steps of (a) effecting preliminary bonding of two adjacent sheet metal blanks including an endmost one of the sheet metal blanks, by welding at predetermined portions of the two adjacent sheet metal blanks, when each of the plurality of sheet blanks is superposed as the endmost sheet blank on the other of the two adjacent sheet metal blanks, and (b) cutting the endmost sheet metal blank along a predetermined cutting line, after the preliminary bonding, by a laser beam generated from a laser cutting apparatus such that the laser beam spot formed on an exposed surface of the endmost sheet blank is moved along the cutting line.