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:
Jul. 07, 2020
Filed:
Nov. 21, 2014
Böllhoff Verbindungstechnik Gmbh, Bielefeld, DE;
Volkswagen Aktiengesellschaft, Wolfsburg, DE;
Sergej Hartwig-Biglau, Löhne, DE;
Torsten Draht, Schloss Holte-Stukenbrock, DE;
Böllhoff Verbindungstechnik GmbH, Bielefeld, DE;
Abstract
The disclosure is related to various connecting methods for a welding auxiliary joining part having a head and a rounded tip for setting in at least one first component having a die as counter-bearing, which has a concave recess with an inner wall having at least in sub-areas an arc shape and having a matrix radius MR in the range from 1.0 mm≤MR≤60 mm, for preparing a subsequent welding method. The geometry of the welding auxiliary joining part and the die meet the following condition: in particular wherein SR designates a tip radius of the rounded tip of the welding auxiliary joining part.