B - Operations – Transporting – 23 – K
Patent
B - Operations, Transporting
23
K
78/64
B23K 5/22 (2006.01) B23K 31/00 (2006.01) B23K 31/02 (2006.01) C21D 9/50 (2006.01)
Patent
CA 1218544
ABSTRACT OF THE DISCLOSURE A preventive method for plate deformation due to welding in constructing flat plate welded structures made of thin-gage plates and frame. The method comprises preheating a whole plate in a heating box to a given temperature with flowing hot air. The plate is then rapidly placed on the top surface of the frame where it is tack-welded to the frame. The tack welded plate is then spot welded to the frame to construct a flat plate structure. The spot welded plate is then cooled to cause thermal shrinkage deformation.
463047
Koie Hideaki
Sakaguchi Akira
Kawasaki Jukogyo Kabushiki Kaisha
Marcoux & Sher Swabey Mitchell Houle
LandOfFree
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