Ceramic Spark Plug Insulator And Method Of Making
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United States of America Patent
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Issued Date -
Mar 22, 2012
app pub date -
Sep 23, 2011
filing date -
Apr 10, 2008
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Abandoned
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Abstract
A method of making a spark plug insulator includes forming green ceramic core tube and core nose performs. The core nose perform is nested within the firing end of the core tube perform and they are fired to sinter them and to form a direct bond between them in a region of overlap.
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