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. 04, 1999
Filed:
Mar. 20, 1996
Gerard Heurteboust, Roussy le Village, FR;
Jean-Francois Seconde, Metz, FR;
Stephane Tref, Rurnage les Thionville, FR;
Sollac, Puteaux, FR;
Abstract
A process for manufacturing a shaped metal can comprising, on one hand, a bottom (1), a cylindrical peripheral wall (2) in one piece with the bottom (1) and including at least one geometrically expanded region (2A, 2A) and, on the other hand, a lid crimped or seamed on the peripheral wall (2). The process comprises effecting in the region to be geometrically expanded a controlled folding in the form of folds of an accordion of the peripheral wall (2) an on the whole of the height of the region to be geometrically expanded to increase the volume of the metal available in this region, and unfolding the accordion folds of the peripheral wall to obtain a geometrically expanded region (2A, 2B).