Beam welding apparatus and methods

Electric heating – Metal heating – By arc

Reexamination Certificate

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Details

C219S121130, C219S121140, C219S121640, C219S121830, C356S496000

Reexamination Certificate

active

06998570

ABSTRACT:
An apparatus and method may be used for welding a first panel to a second panel, the first panel having an inboard side partially contacting the second panel and an opposite outboard side. The apparatus has a welding beam generator. The apparatus reduces a pressure along the inboard side of the panel relative to an adjacent pressure along the outboard side so as to produce inward deflection of the first panel along a first portion of the first panel not contacting the second panel relative to a second portion. The apparatus has locates, based on said deflection, at least one of said first portion or said second portion.

REFERENCES:
patent: 5282313 (1994-02-01), Podhorsky et al.
patent: 6000600 (1999-12-01), Erikson et al.
patent: 6191383 (2001-02-01), Jense
patent: 2002/0153130 (2002-10-01), Okamoto et al.
Damgaard et al., Laser Welded Sandwich Nozzle Extension for the RL60 Engine, AIAA, Jul., 2003, Reston, VA.

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