Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
August 8, 2006
Patent Application Number
10622452
Date Filed
July 21, 2003
Patent Primary Examiner
Patent abstract
A method for manufacturing a glow plug, the glow plug comprising a cylindrical metal shell having an internal bore formed in an axial direction, and a heater tube adapted to be press-fitted from its rear end side into the internal bore and having a leading end closed, the method comprising the steps of: place a stopper abutting on the leading end; and applying an axial load between the stopper and the metal shell so as to start a clamping of a side of the heater tube through a support member and to start a press-fit of the heater tube in the metal shell and an apparatus for manufacturing the glow plug.
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