Method for the production of a glow plug
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United States of America Patent
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Sep 11, 2018
Grant Date -
Feb 16, 2017
app pub date -
Oct 26, 2016
filing date -
Nov 20, 2013
priority date (Note) -
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Abstract
Methods for producing a glow plug having a housing, a ceramic glow pin and a protective tube from which a section of the glow pin projects which is thinner than a thicker section arranged in the protective tube. The thinner section leads to a glow tip. The glow pin is inserted into the protective tube and the protective tube is inserted into the housing. A securing element is placed onto the first end of the glow pin. The internal diameter of the securing element is smaller than the maximum diameter of the glow pin. The securing element is fastened on the protective tube. Alternatively, the protective tube is heated locally at a section of the protective tube surrounding the thinner section, and there the interior width of the protective tube is reduced to a value smaller than the diameter of the thicker section of the glow pin.
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