Method of and apparatus for providing welded joints

Details Method of and apparatus for providing welded joints Method of and apparatus for providing welded joints

1995-08-25

1997-10-14

Evans, Geoffrey S.

Electric heating

Metal heating

By arc

21912163, B23K 2600

Patent

active

056768656

ABSTRACT:
A method for forming a welded joint as between first and second electrical conductive members by the use of a radiant energy source, wherein the first member has a higher reflectivity with respect to the radiant energy than the second member, the method comprising the steps of preselecting respective areas of the first and second members for the welded joint, forming an aperture extending fully through a portion of the selected area of the first member, the portion being selected to be of an area less than the selected area of the second member, placing the first member in overlying relation to the second member with the first member portion disposed interiorly of the perimeter of the selected area of the second member and issuing the radiant energy directly onto the first member and concurrently through the first member apertured portion onto the second member. Assemblies for effecting welding operations are provided.

REFERENCES:
patent: 3666913 (1972-05-01), Haefling et al.
patent: 5057661 (1991-10-01), Banner
patent: 5343014 (1994-08-01), Ogino et al.
patent: 5498850 (1996-03-01), Das

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