Electric lamp or space discharge component or device manufacturi – Process – Spark plug or spark gap making
Reexamination Certificate
2006-03-31
2010-06-22
Santiago, Mariceli (Department: 2879)
Electric lamp or space discharge component or device manufacturi
Process
Spark plug or spark gap making
Reexamination Certificate
active
07740513
ABSTRACT:
Method and device for manufacturing a noble meal reinforced electrode for a spark plug. A base electrode element (1) is formed and positioned in a retaining attachment (2). A noble metal piece (3) is arranged by a suitable attachment (4) on the front side of the base electrode element (1), and pressed into the front side of the noble metal base element (1) by a press attachment, in particular a die (6), while the arrangement composed of the base electrode element (1) and noble metal piece (3) is preferably heated by an electric current. After cooling, subsequent pressing can be carried out, by which the noble metal piece (3) is pressed flat. It is also possible to weld together the noble metal piece (3) and the tip (7) of the base electrode element.
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Mueller Helmut
Niessner Werner
Beru AG
Roberts Mlotkowski Safran & Cole P.C.
Safran David S.
Santiago Mariceli
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