Method of forming a plate body

Details Method of forming a plate body Method of forming a plate body

1994-06-16

1996-02-20

Shaw, Clifford C.

Electric heating

Metal heating

By arc

219158, B23K 900

Patent

active

054930979

ABSTRACT:
A plate body is formed from two plane metal plates each at least 5 mm thick and having an edge at least 10 meters long, by machining each plate along its edge to form a welding groove with high accuracy relative to the dimensions and shape of the groove and with a smooth groove surface. The groove extends from a first side of each plate through only part of the thickness of the plates to leave a root area at the second side of the plate. The plates are supported in the vicinity of the welding groove from the second side of the plates by a support bed and are retained by use of suction in relative positions such that the root areas of the two plates are in confronting and contacting relationship. A weld is created in the welding groove by butt joint welding from the first side only of the plates.

REFERENCES:
patent: 3197604 (1965-07-01), Turbyville, Jr. et al.
patent: 3351734 (1967-11-01), Arikawa et al.
patent: 3575574 (1971-04-01), Almqvist
patent: 4075453 (1978-02-01), Roberts
patent: 4550244 (1985-10-01), West et al.

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