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:
Apr. 13, 2021
Filed:
Dec. 12, 2016
Voestalpine Stahl Gmbh, Linz, AT;
Voestalpine Metal Forming Gmbh, Krems an der Donau, AT;
Carola Eyssell, Luftenberg, AT;
Rüdiger Heinritz, Schwäbisch Gmünd, DE;
Reiner Kelsch, Mutlangen, DE;
Gerhard Mayrhofer, Altenfelden, AT;
Christian Rouet, Gedersdorf, AT;
Johannes Riegler, Buchkirchen, AT;
voestalpine Stahl GmbH, Linz, AT;
Abstract
A method for manufacturing a semifinished product or part is disclosed in which a metal support embodied as a metal sheet or blank is covered with at least one prepreg containing a thermally cross-linkable thermosetting matrix with endless fibers, the thermosetting matrix of the prepreg is pre-cross-linked by means of heating, and the metal support covered with the pre-cross-linked prepreg is formed into a semifinished product or part by means of deep drawing or stretch deep drawing. In order to enable plastic deformation in fiber-reinforced regions of the metal support, it is proposed that during the pre-cross-linking of the thermosetting matrix of the prepreg, its matrix is transferred into a viscosity state that is higher than its minimum viscosity and prior to reaching its gel point, the prepreg is formed together with the metal support.