EP 0651133 B1 19990107 - Diamond/boron nitride coated excavating tool cutting insert
Title (en)
Diamond/boron nitride coated excavating tool cutting insert
Title (de)
Bornitrid- oder diamantbeschichteter Schneideinsatz für Baggerwerkzeug
Title (fr)
Elément de coupe rapporté pour outil d'excavation revêtu de nitrure de bore ou diamant
Publication
Application
Priority
US 14522393 A 19931103
Abstract (en)
[origin: EP0651133A2] A diamond/cubic boron nitride coated low energy cutting insert for an excavating tool. The insert includes a generally conical tip portion, an elongated intermediate portion, a shoulder and a contact surface which attaches to a supporting surface of the tool body. The intermediate portion of the insert includes a concave surface portion and the coating is provided on the tip portion and optionally on the intermediate portion and the shoulder. <IMAGE>
IPC 1-7
IPC 8 full level
E21C 35/18 (2006.01); E21B 10/56 (2006.01); E21C 35/183 (2006.01)
CPC (source: EP)
E21B 10/56 (2013.01); E21C 35/183 (2013.01); E21C 35/1837 (2020.05)
Designated contracting state (EPC)
DE FR GB IT SE
DOCDB simple family (publication)
EP 0651133 A2 19950503; EP 0651133 A3 19950809; EP 0651133 B1 19990107; AU 7759294 A 19950518; CA 2134396 A1 19950504; DE 69415764 D1 19990218; DE 69415764 T2 19990520; JP H07197768 A 19950801; ZA 948306 B 19950622
DOCDB simple family (application)
EP 94850192 A 19941028; AU 7759294 A 19941103; CA 2134396 A 19941026; DE 69415764 T 19941028; JP 26966394 A 19941102; ZA 948306 A 19941021