Process of producing laminar structure by bonding of sheet metal

Details Process of producing laminar structure by bonding of sheet metal Process of producing laminar structure by bonding of sheet metal

1997-09-08

1999-08-24

Evans, Geoffrey S.

Electric heating

Metal heating

By arc

21912164, 21912184, B23K 2614

Patent

active

059421380

ABSTRACT:
Process of producing a laminar structure including metal sheets which are superposed on each other, wherein a plurality of sheet metal blanks corresponding to and having the same thickness values as the metal sheets, respectively, are superposed on each other, the process comprising the steps of (a) effecting preliminary bonding of two adjacent sheet metal blanks including an endmost one of the sheet metal blanks, by welding at predetermined portions of the two adjacent sheet metal blanks, when each of the plurality of sheet blanks is superposed as the endmost sheet blank on the other of the two adjacent sheet metal blanks, and (b) cutting the endmost sheet metal blank along a predetermined cutting line, after the preliminary bonding, by a laser beam generated from a laser cutting apparatus such that the laser beam spot formed on an exposed surface of the endmost sheet blank is moved along the cutting line.

REFERENCES:
patent: 3670397 (1972-06-01), Lewis
patent: 4296606 (1981-10-01), Reider
patent: 4603089 (1986-07-01), Bampton
patent: 5016807 (1991-05-01), Haack
patent: 5018259 (1991-05-01), Wildman
patent: 5154606 (1992-10-01), Wildman
patent: 5472772 (1995-12-01), Jones
patent: 5609288 (1997-03-01), Johnson
"Concise Explanation Under Rule 98" (1 page), No Publication date.

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