METHOD OF LASER BEAM WELDING OF ZINC-COATED STEEL SHEET - Patent 1003624

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EP 1 003 624 A1

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(43)	Date of publication:
	31.05.2000 Bulletin 2000/22

(21)	Application number: 98940005.6

(22)	Date of filing: 14.08.1998

(51)	International Patent Classification (IPC)⁷: B23K 26/00, B23K 33/00

(86)	International application number:
	PCT/CA9800/779

(87)	International publication number:
	WO 9908/829 (25.02.1999 Gazette 1999/08)

(84)	Designated Contracting States:
	AT DE ES FR GB IT PT SE

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Priority:

15.08.1997 CA 2209804

(71)	Applicant: POWERLASERS LTD.
	KitchenerOntario N2G 2Y5 (CA)

(72)	Inventor:
	GU, Hongping Waterloo, Ontario N2L 3E5 (CA)

(74)	Representative: Kovac, Werner
	c/o MAGNA EUROPA AGPatentabteilung2. Haidequerstrasse 3 1111 Wien 1111 Wien (AT)

(54)	METHOD OF LASER BEAM WELDING OF ZINC-COATED STEEL SHEET