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:
Sep. 28, 2021
Filed:
Jul. 26, 2018
Frank Hirschmann, Nettetal, DE;
Kathrin Eckhard, Alfter, DE;
Bernhard Kernig, Cologne, DE;
Gernot Nitzsche, Meckenheim, DE;
Henk-jan Brinkman, Bonn, DE;
Frank Hirschmann, Nettetal, DE;
Kathrin Eckhard, Alfter, DE;
Bernhard Kernig, Cologne, DE;
Gernot Nitzsche, Meckenheim, DE;
Henk-Jan Brinkman, Bonn, DE;
Hydro Aluminium Rolled Products GmbH, Grevenbroich, DE;
Abstract
The invention relates to a strip or sheet consisting of an aluminium alloy having a unilateral or bilateral surface structure prepared for a forming process, in particular it relates to a strip or sheet for formed motor vehicle components. The object of providing an aluminium alloy strip or sheet having a surface structure prepared for a forming process, which is easy to produce and has improved tribological characteristics in respect of a subsequent forming process, is achieved for a strip or sheet consisting of an aluminium alloy in that the strip or sheet has on one side or on both sides a surface with depressions as lubricant pockets which are produced using an electrochemical graining process.