EP 0820533 B1 20011031 - MATRIX FOR A HARD COMPOSITE
Title (en)
MATRIX FOR A HARD COMPOSITE
Title (de)
MATRIX FÜR EIN HARTES VERBUNDMATERIAL
Title (fr)
MATRICE POUR MATERIAU COMPOSITE DUR
Publication
Application
Priority
- US 9601342 W 19960130
- US 38246895 A 19950201
- US 57371595 A 19951218
Abstract (en)
[origin: WO9623907A1] A matrix powder for formation along with an infiltrant into a matrix for use as a wear element or for use in retaining at least one discrete hard element (20). The matrix powder includes crushed sintered cemented tungsten carbide particles (22). The composition of the crushed sintered cemented tungsten carbide comprises between about 6 weight percent and about 13 weight percent binder metal and between about 87 weight percent and about 94 weight percent tungsten carbide.
IPC 1-7
IPC 8 full level
C22C 1/04 (2006.01); C22C 1/05 (2006.01); C22C 26/00 (2006.01)
CPC (source: EP US)
B22F 9/04 (2013.01 - EP); C22C 1/0475 (2013.01 - EP); C22C 1/051 (2013.01 - EP US); C22C 9/00 (2013.01 - EP); C22C 19/00 (2013.01 - EP); C22C 26/00 (2013.01 - EP); C22C 29/08 (2013.01 - EP)
Designated contracting state (EPC)
BE DE FR GB IT
DOCDB simple family (publication)
WO 9623907 A1 19960808; AU 5021196 A 19960821; AU 698687 B2 19981105; BR 9607548 A 19980707; CA 2203882 A1 19960808; CA 2203882 C 20021224; CN 1172506 A 19980204; DE 69616534 D1 20011206; DE 69616534 T2 20020627; DE 820533 T1 19980625; EP 0820533 A1 19980128; EP 0820533 B1 20011031; RU 2141001 C1 19991110
DOCDB simple family (application)
US 9601342 W 19960130; AU 5021196 A 19960130; BR 9607548 A 19960130; CA 2203882 A 19960130; CN 96191735 A 19960130; DE 69616534 T 19960130; DE 96907022 T 19960130; EP 96907022 A 19960130; RU 97114744 A 19960130