Global Patent Index - EP 1153150 B1

EP 1153150 B1 2002-11-27 - METHOD FOR PRODUCING HARD METAL MIXTURES

Title (en)

METHOD FOR PRODUCING HARD METAL MIXTURES

Title (de)

VERFAHREN ZUR HERSTELLUNG VON HARTMETALLMISCHUNGEN

Title (fr)

PROCEDE POUR PRODUIRE DES MELANGES DE METAUX DURS

Publication

EP 1153150 B1 (DE)

Application

EP 00904876 A

Priority

  • DE 19901305 A
  • EP 0000043 W

Abstract (en)

[origin: DE19901305A1] The invention relates to a method for producing a homogeneous mixture of hard material powders and binder metal powders without using grinding bodies, liquid grinding auxiliary agents and suspending media. According to the invention, the mixture components are mixed at close range while generating a high shearing collision velocity of the powder particles and are remotely mixed by rotating the mixing bed without resulting in a particle size reduction of the hard material powders.

IPC 1-7 (main, further and additional classification)

C22C 1/05

IPC 8 full level (invention and additional information)

B22F 1/00 (2006.01); B01F 9/08 (2006.01); B01F 15/00 (2006.01); C22C 1/05 (2006.01); B01F 7/00 (2006.01); B01F 7/16 (2006.01); B01F 9/00 (2006.01)

CPC (invention and additional information)

B01F 9/08 (2013.01); B01F 15/00012 (2013.01); C22C 1/05 (2013.01); C22C 1/051 (2013.01); B01F 7/16 (2013.01); B01F 2009/0063 (2013.01); B22F 2999/00 (2013.01); Y10T 428/2993 (2013.01)

Combination set (CPC)

B22F 2999/00 + C22C 1/05 + B22F 9/04 + B22F 2202/15

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

EPO simple patent family

DE 19901305 A1 20000720; AT 228579 T 20021215; AU 2662200 A 20000801; CN 1114706 C 20030716; CN 1336962 A 20020220; CZ 20012376 A3 20020515; EP 1153150 A1 20011114; EP 1153150 B1 20021127; HK 1044356 A1 20040402; IL 143869 D0 20020421; JP 2002534613 A 20021015; PL 191783 B1 20060731; PL 349919 A1 20021007; PT 1153150 E 20030430; US 6626975 B1 20030930; WO 0042230 A1 20000720; ZA 200105109 B 20020621

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