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:
Dec. 02, 2003
Filed:
May. 18, 2001
Applicant:
Inventor:
Lars-Åke Mattsson, Båstad, SE;
Assignee:
Lindab AB, Bastad, SE;
Primary Examiner:
Int. Cl.
CPC ...
B21D 1/500 ;
U.S. Cl.
CPC ...
B21D 1/500 ;
Abstract
In a method of reshaping a tube, an apparatus is used which has a roller nip for rotating the tube, and a shaping roller assembly for altering the cross-section of the tube, for instance from round to oval.