Method and apparatus for manufacturing glow plug

Details Method and apparatus for manufacturing glow plug Method and apparatus for manufacturing glow plug

2006-08-08

2006-08-08

Compton, Eric (Department: 3726)

Metal working

Method of mechanical manufacture

Assembling or joining

C029S451000, C029S611000, C029S251000

Reexamination Certificate

active

07086135

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.

REFERENCES:
patent: 4620511 (1986-11-01), Brooks et al.
patent: 6064039 (2000-05-01), Kumada
patent: 2004/0188408 (2004-09-01), Kumada et al.
patent: 903541 (1998-09-01), None
patent: 04-028922 (1992-01-01), None
patent: 11-94254 (1999-11-01), None
patent: 2002-106842 (2002-04-01), None
patent: 2002-115846 (2002-04-01), None

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