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:
Nov. 10, 1998
Filed:
Aug. 09, 1996
Applicant:
Inventor:
Robert Volnhals, Ingolstadt, DE;
Assignee:
Emhart Inc., Newark, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23K / ;
U.S. Cl.
CPC ...
219 98 ;
Abstract
Electric welding device (5) for welding a fastening element (4), in particular a weld stud, on a workpiece with a stud holding means (1) comprising a conveying duct (2) which is connected at one end to a supply duct (3) and holds a fastening element (4) in its other end during the welding process and including a loading pin (6) which is displaceable to and fro along the axis of the longitudinal direction of the conveying duct. The pin has a shank part (13) and a head part (12) which can be brought to bear on a fastening element (4). At least the head part (12) of the loading pin (6) is an electrically insulating surface.