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. 12, 1992
Filed:
Feb. 22, 1991
Applicant:
Inventors:
Gottfried Haiml, Braunau/Inn, AT;
Johann Langgartner, Braunau/Inn, AT;
Assignee:
Austria Metall Aktiengesellschaft, Braunau am Inn, AT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B21D / ;
U.S. Cl.
CPC ...
294695 ; 29 172 ; 228235 ; 228265 ;
Abstract
A method of mechanically imparting a surface texture to a bland surface of sheet metal, especially soft aluminum, in which an adherent foil is applied at least to one surface of the sheet metal and is pressed into and against a surface by a roll so that the sheet metal is deformed and the pattern of the deformed foil is pressed into the sheet metal surface.