Global Patent Index - EP 3077147 A1

EP 3077147 A1 20161012 - STUD ELEMENT AND WELDING METHOD FOR CONNECTING SAID STUD ELEMENT TO A WORKPIECE

Title (en)

STUD ELEMENT AND WELDING METHOD FOR CONNECTING SAID STUD ELEMENT TO A WORKPIECE

Title (de)

BOLZENELEMENT UND SCHWEISSVERFAHREN ZUM VERBINDEN DIESES BOLZENELEMENTES MIT EINEM WERKSTÜCK

Title (fr)

ÉLÉMENT GOUJON ET PROCÉDÉ DE SOUDAGE PERMETTANT DE RELIER CET ÉLÉMENT GOUJON À UNE PIÈCE

Publication

EP 3077147 A1 20161012 (DE)

Application

EP 14796138 A 20141112

Priority

  • DE 102013225048 A 20131205
  • EP 2014074352 W 20141112

Abstract (en)

[origin: WO2015082177A1] The present invention relates to a stud element (1) and in particular to a welding stud element which is suitable for connecting to a workpiece (10) by way of a welding method, wherein a welding surface of the head (3) of the stud element has at least one internal protrusion (4) and at least one external protrusion (5, 5a, 5b), said protrusions extending away from the welding surface, wherein the external protrusion (5, 5a, 5b) is arranged circumferentially around the internal protrusion (4). Furthermore, the present invention relates to a welding method and in particular a stud arc-welding method for connecting the abovementioned stud element to a workpiece (10).

IPC 8 full level

B23K 9/20 (2006.01); B23K 35/02 (2006.01)

CPC (source: EP)

B23K 9/207 (2013.01); B23K 35/0255 (2013.01); B23K 35/0288 (2013.01); B23K 2101/006 (2018.07)

Citation (search report)

See references of WO 2015082177A1

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

Designated extension state (EPC)

BA ME

DOCDB simple family (publication)

WO 2015082177 A1 20150611; DE 102013225048 A1 20150611; EP 3077147 A1 20161012

DOCDB simple family (application)

EP 2014074352 W 20141112; DE 102013225048 A 20131205; EP 14796138 A 20141112