Global Patent Index - EP 1116858 B1

EP 1116858 B1 20050216 - Insert

Title (en)

Insert

Title (de)

Schneideinsatz

Title (fr)

Insert de coupe

Publication

EP 1116858 B1 20050216 (EN)

Application

EP 00311335 A 20001218

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

E21B 10/56; E21B 10/22

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)

B22F 2998/00 + B22F 3/1216 + C22C 26/00

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