(19)
(11) EP 0 563 160 A1

(12)

(43) Date of publication:
06.10.1993 Bulletin 1993/40

(21) Application number: 92901527.0

(22) Date of filing: 19.12.1991
(51) International Patent Classification (IPC): 
C22C 1/ 05( . )
C22C 29/ 16( . )
C22C 29/ 04( . )
(86) International application number:
PCT/SE1991/000885
(87) International publication number:
WO 1992/011393 (09.07.1992 Gazette 1992/17)
(84) Designated Contracting States:
AT DE FR GB IT SE

(30) Priority: 21.12.1990 SE 19900004116

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

(72) Inventors:
  • WEINL, Gerold
    S-125 51 Älvsjö (SE)
  • OSKARSSON, Rolf
    S-144 00 Rönninge (SE)

(74) Representative: Östlund, Alf Olof Anders, et al 
Sandvik AB Patent Department
S-811 81 Sandviken
S-811 81 Sandviken (SE)

   


(54) METHOD OF PRODUCING A SINTERED CARBONITRIDE ALLOY FOR EXTREMELY FINE MACHINING WHEN TURNING WITH HIGH CUTTING RATES