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. 04, 2003
Filed:
Jun. 28, 2001
Alberto Delle Piane, Bruino, IT;
Duilio Macchi, Turin, IT;
Prima Industries, SpA, , IT;
Abstract
A process for the production of multi-thickness and/or multi-material blanks, comprising the steps of: setting and withholding a first piece (P ) of metal sheet on a first workpiece-supporting structure ( ); setting and withholding a second piece (P ) of metal sheet on a second workpiece-supporting structure ( ) which is mobile with respect to the first workpiece-supporting structure ( ) under the control of a numerical-control unit ( ); carrying out laser cutting of at least one edge of the first piece (P ) and of the second piece (P ) and defining reference lines ( ) of the first piece and second piece, respectively, the positions of which are known to the numerical-control unit ( ); bringing the first piece (P ) and the second piece (P ) up to one another until they reach a position where the aforesaid reference lines ( ) overlap one another; and carrying out a laser weld between the first piece (P ) and the second piece (P ) along the aforesaid coinciding reference lines ( ).