Spark plug and method for production of a spark plug
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United States of America Patent
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Jul 19, 2011
Grant Date -
Dec 18, 2008
app pub date -
Jun 12, 2008
filing date -
Jun 14, 2007
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention describes a spark plug having an outer electrode (12), a central electrode (10), an inner conductor (2) connected to the central electrode (10) and an insulator (3) enclosing the inner conductor (2). It is provided according to the invention that the insulator (3) is produced by extrusion. The invention further relates to a method for production of a spark plug of that kind.
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