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Title:
METHOD OF LASER BEAM WELDING OF ZINC-COATED STEEL SHEET
Document Type and Number:
WIPO Patent Application WO1999008829
Kind Code:
A9
Abstract:
A pair of coated components are laser welded to one another by initially forming protuberances on one of the components. The protuberances maintain juxtaposed surfaces separated and the components are then laser welded to one another. The separation of the surfaces vents vapor generated by the coating.

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Inventors:
GU HONGPING (CA)
Application Number:
PCT/CA1998/000779
Publication Date:
April 13, 2000
Filing Date:
August 14, 1998
Export Citation:
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Assignee:
POWERLASERS LTD (CA)
GU HONGPING (CA)
International Classes:
B23K26/26; B23K26/32; B23K33/00; (IPC1-7): B23K26/00; B23K33/00
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