Damper tube closure

Details Damper tube closure Damper tube closure

1997-12-08

1999-11-23

Mills, Gregory

Electric heating

Metal heating

For bonding with pressure

298972, 2281734, B23K 1100

Patent

active

059904410

ABSTRACT:
A closed end tube particularly for use in a vehicle suspension damper includes a tubular body with an attachment fitting fixed to the end of the tube where the closed end of the tube is manufactured according to a multi-step process. Initially, the process commences with a tubular body having an opening at both ends. One of the ends is formed so that the tube is partially closed with a reduced opening remaining. An attachment fitting is forced against the partially closed end of the tube to completely close the end and a welding operation is used to fix the attachment fitting to the now closed end of the tube.

REFERENCES:
patent: 3643322 (1972-02-01), Gerstle
patent: 5644826 (1997-07-01), Reves
patent: 5718139 (1998-02-01), Gardner

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