EP 1754855 B1 20130123 - Tool, in particular for a tunnel boring machine
Title (en)
Tool, in particular for a tunnel boring machine
Title (de)
Werkzeug, insbesondere für Tunnelbohrmaschinen
Title (fr)
Outil, en particulier pour une machine de forage de tunnels
Publication
Application
Priority
DE 102005039036 A 20050818
Abstract (en)
[origin: DE102005039036B3] The tunnel boring cutter has a mounting body (1) and a cutting ring positioned peripherally of the mounting body. The cutting ring (2) is made of a steel matrix having hard metal inclusions (4). The inclusions can constitute wolfram carbide at seventy percent and a binder. The ring can have successive ring segments.
IPC 8 full level
E21B 10/46 (2006.01); E21B 10/12 (2006.01); E21C 25/18 (2006.01)
CPC (source: EP)
E21B 10/12 (2013.01); E21B 10/46 (2013.01); E21C 25/18 (2013.01)
Citation (examination)
DE 2630932 A1 19780112 - KRUPP GMBH
Designated contracting state (EPC)
AT CH DE ES FR LI
DOCDB simple family (publication)
DE 102005039036 B3 20061116; DE 102005039036 C5 20090122; EP 1754855 A1 20070221; EP 1754855 B1 20130123
DOCDB simple family (application)
DE 102005039036 A 20050818; EP 06017238 A 20060818