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:
May. 08, 2007
Filed:
May. 17, 1999
Bernard Dabezies, Neuilly sur Seine, FR;
Pascal Delroise, Valenciennes, FR;
Bernard Dabezies, Neuilly sur Seine, FR;
Pascal Delroise, Valenciennes, FR;
Alstom Holdings, Paris, FR;
Abstract
A first () of the sheets has, near the zone () of overlap, stiffening parts () designed to resist the bending of the sheet along the zone of overlap. At least one region of the first sheet () is made to project, cantilever fashion, into the zone () of overlap. The stiffening parts are located near this cantilevered region. A pressing mechanism of a laser welding installation () is made to press against another sheet () to hold the sheets in contact with one another at the zone () of overlap. The laser welding installation is used to weld the sheets together along the zone of overlap. Application to the welding together, by transparency-welding, of sheets of the external skin of railway vehicle bodies.