EP 1116858 B1 20050216 - Insert
Title (en)
Insert
Title (de)
Schneideinsatz
Title (fr)
Insert de coupe
Publication
Application
Priority
US 48314600 A 20000113
Abstract (en)
[origin: EP1116858A1] An insert for a drill bit comprises a superhard material table secured to a carrier. A layer of a refractory metal is located between the table and the carrier. The layer of refractory metal forms part of a canister used in the formation of the superhard material table. <IMAGE>
IPC 1-7
IPC 8 full level
B22F 7/06 (2006.01); E21B 10/56 (2006.01); E21B 10/567 (2006.01); E21B 10/573 (2006.01)
CPC (source: EP US)
B22F 7/06 (2013.01 - EP); E21B 10/567 (2013.01 - EP US); E21B 10/5735 (2013.01 - EP US); B22F 2998/00 (2013.01 - EP)
C-Set (source: EP)
Designated contracting state (EPC)
BE DE FR GB IE
DOCDB simple family (publication)
EP 1116858 A1 20010718; EP 1116858 B1 20050216; DE 60018154 D1 20050324; DE 60018154 T2 20051229; ZA 200007669 B 20010713
DOCDB simple family (application)
EP 00311335 A 20001218; DE 60018154 T 20001218; ZA 200007669 A 20001220