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. 22, 2010
Filed:
Mar. 31, 2006
Helmut Mueller, Hessigheim, DE;
Werner Niessner, Steinheim, DE;
Helmut Mueller, Hessigheim, DE;
Werner Niessner, Steinheim, DE;
Beru AG, Ludwigsburg, DE;
Abstract
Method and device for manufacturing a noble meal reinforced electrode for a spark plug. A base electrode element () is formed and positioned in a retaining attachment (). A noble metal piece () is arranged by a suitable attachment () on the front side of the base electrode element (), and pressed into the front side of the noble metal base element () by a press attachment, in particular a die (), while the arrangement composed of the base electrode element () and noble metal piece () is preferably heated by an electric current. After cooling, subsequent pressing can be carried out, by which the noble metal piece () is pressed flat. It is also possible to weld together the noble metal piece () and the tip () of the base electrode element.