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. 02, 1994
Filed:
Feb. 24, 1993
Applicant:
Inventor:
Peter Ublacker, Burmoos, AT;
Assignee:
Austria Metall Aktiengesellschaft, Braunau am Inn, AT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B21D / ;
U.S. Cl.
CPC ...
72367 ; 72341 ;
Abstract
Process for flattening the end sections of a tube. The end section is given a preparatory treatment such that two recesses or notches lying opposite one another are made in the tube wall. The tube wall is then pressed together so that the fold lines run through the recesses.