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:
Jun. 06, 2017
Filed:
Nov. 04, 2011
Martin Peruzzi, Linz, AT;
Ronald Fluch, Linz, AT;
Reinhold Stotz, Ansfelden, AT;
Bernhard Strauss, Leonding, AT;
Franz Dorninger, Katsdorf, AT;
Martin Peruzzi, Linz, AT;
Ronald Fluch, Linz, AT;
Reinhold Stotz, Ansfelden, AT;
Bernhard Strauss, Leonding, AT;
Franz Dorninger, Katsdorf, AT;
Voestalpine Stahl GmbH, Linz, AT;
Abstract
The invention relates to a method for connecting sheet metal parts () to form a laminated core (), wherein sheet metal parts () are separated, in particular punched, from a sheet metal strip () that has, at least in some areas, a layer having curable polymer adhesive (), and the sheet metal parts () are preliminarily connected to form a laminated core (), the preliminary connection comprising plasticizing the adhesive () at least in some areas and joining the sheet metal parts () in order to connect the sheet metal parts by means of the plasticized adhesive () of at least one of the sheet metal parts (), and in a subsequent step the laminated core () having preliminarily connected sheet metal parts () is subjected to a curing of the adhesive (). In order to create an advantageous connection between the sheet metal parts, the plasticizing of the adhesive () comprises the introduction of a softener (), in particular HO.