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. 12, 2008
Filed:
Mar. 23, 2004
Applicant:
Lars Ingvarsson, Borlange, SE;
Inventor:
Lars Ingvarsson, Borlange, SE;
Assignee:
Ortic AB, Borlange, SE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B21D 5/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
Metal sheets, and in particular, metal sheets for roofing of the kind having upstanding flat edges ending with beads, are bent by rolling the flat edges such that they become gradually thinner towards the beads. The sheets will also be bent if the beads are not rolled.