CEMENTED CARBIDE BODY HAVING A WEAR RESISTANT SURFACE LAYER - Patent 0028600

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EP 0 028 600 A1

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(43)	Date of publication:
	20.05.1981 Bulletin 1981/20

(21)	Application number: 80900255.0

(22)	Date of filing: 18.01.1980

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International Patent Classification (IPC):

C22C 29/ 00^{( . )}
B23B 27/ 14^{( . )}
C22C 29/ 02^{( . )}
C22C 29/ 08^{( . )}

B22F 3/ 24^{( . )}
C22C 1/ 05^{( . )}
C22C 29/ 06^{( . )}
C23C 30/ 00^{( . )}

(86)	International application number:
	PCT/SE1980/000015

(87)	International publication number:
	WO 1980/001487 (24.07.1980 Gazette 1980/17)

(84)	Designated Contracting States:
	AT CH DE FR GB

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Priority:

22.01.1979 SE 19790000529

(71)	Applicant: SANDVIK AKTIEBOLAG
	S-811 81 Sandviken 1 (SE)

(72)	Inventors:
	MIKUS, Marian S-127 37 Skärholmen (SE) ASCHAN, Lars Johan S-137 00 Västerhaninge (SE) LINDSTRÖM, Jan Nils S-145 60 Norsborg (SE)

(74)	Representative: Östlund, Alf Olof Anders, et al
	Sandvik AB Central Service Patents and Licences S-811 81 Sandviken S-811 81 Sandviken (SE)

(54)	CEMENTED CARBIDE BODY HAVING A WEAR RESISTANT SURFACE LAYER