SURFACE HARDENING BY PARTICLE INJECTION INTO HIGH ENERGY BEAM MELTED SURFACE - Patent 1085961

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EP 1 085 961 A1

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(43)	Date of publication:
	28.03.2001 Bulletin 2001/13

(21)	Application number: 99927034.1

(22)	Date of filing: 05.05.1999

(51)	International Patent Classification (IPC)⁷: B23K 26/00, C23C 24/10, C21D 1/06

(86)	International application number:
	PCT/SE9900/755

(87)	International publication number:
	WO 9956/906 (11.11.1999 Gazette 1999/45)

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

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Priority:

05.05.1998 SE 9801580

(71)	Applicant: DUROC AB
	901 30 Umea (SE)

(72)	Inventors:
	BERGSTRÖM, Carl S-161 52 Bromma (SE) RAHKOLA, Paavo S-903 39 Ume (SE)

(74)	Representative: Nyberg, Bengt et al
	DR. LUDWIG BRANN PATENTBYRA AB,P.O. Box 17192 104 62 Stockholm 104 62 Stockholm (SE)

(54)	SURFACE HARDENING BY PARTICLE INJECTION INTO HIGH ENERGY BEAM MELTED SURFACE