Matches 1 - 16 out of 16


Match Document Document Title
US20100052405 Base for a Drilling Device  
In a starter car for a drilling device for mining underground deposits, including a base frame (5) mounted to rotate about a vertical axis (6) and a starter pipe (7) mounted to pivot about a...
US20090058172 MINING MACHINE WITH DRIVEN DISC CUTTERS  
A mining machine includes a cutting mechanism with an arm, and a substantial weight of more than a thousand pounds attached to the arm. The mining machine also includes a first disc cutter adapted...
US20070069570 Optical Disc Destruction Device  
A device for removing an information-bearing layer of an optical disc comprises a housing defining a first chamber and a second chamber, a mount to selectively mount an optical disc having an...
US20130341998 TUNNEL BORING MACHINE WITH CUTTERHEAD SUPPORT ASSEMBLY SUPPORTING A VARIABLE NUMBER OF DRIVE SYSTEMS  
A tunnel boring machine (100) includes a cutterhead assembly (102) rotatably mounted to a forward shield assembly (116) through a cutterhead support assembly (110). The cutterhead support assembly...
US20100109420 MILLING HEAD AND METHOD FOR MACHINING PILE HEADS  
The milling head (1) which serves for the machining of the head (80) of a pile (8) consisting of a pile core (81), a pile shaft (82) and a metal reinforcement lying therebetween comprises a...
US20090079256 ROTARY CUTTER FOR TUNNEL BORING MACHINE  
A rotary cutter for a tunnel boring machine or similar machine has a cutter ring mounted to a hub. The hub is mounted on a shaft. A sleeve bearing system is positioned between the hub and the...
US20130193743 Apparatus and Method for Mining Coal  
The present invention relates to a novel method of mining underground coal and recovering coal seam gas, the method including locating a seam of coal; digging a mine shaft to reach the seam of...
US20130264860 Cutting Head Tool for Tunnel Boring Machine  
A ripper tool for a tunnel boring machine includes a tool body and a plurality of cutting element inserts. The tool body has a plurality of socket cavities. A tool body blank can be heat treated...
US20100001574 METHOD AND APPARATUS FOR THE MILLING CUTTING OF MATERIALS  
An apparatus for the milling and/or drilling cutting of materials, in particular for the removal of rock, minerals or coal, with a tool drum which is mounted on a drum carrier rotatably about a...
US20140084667 APPARATUS FOR THE MILLING CUTTING OF ROCK, MINERALS OR OTHER MATERIALS  
An apparatus for the milling cutting of rock, minerals or other hard materials has a tool drum which is rotatably mounted on a drum carrier about a drum axis and on the peripheral shell surface of...
US20140217805 DRILL BIT EXCHANGE DEVICE FOR SHIELD TUNNELING MACHINE  
A drill bit exchange device for a shield tunneling machine includes: a housing with an aperture; a valve body housed in a chamber of the housing, the valve body being pivotable about a pivot axis...
US20170167258 CUTTING TOOL SYSTEM  
A cutting tool system is provided that includes a locking collar and a bit attachment member. The locking collar is compressible radially inwardly and has a tapering outer surface. The bit...
US20170101868 ROLLER CUTTER ARRANGEMENT AND CUTTING WHEEL EQUIPPED WITH SAID ROLLER CUTTER ARRANGEMENT  
A roller cutter arrangement for a cutting wheel of a tunnel boring machine, including an interchangeable cup, a bearing block which is supported in the interchangeable cup in such a way that it is...
US20160298451 ANNULAR TOOL  
The invention relates to an annular tool (1) having at least one working region (4) oriented radially outward and having high wear resistance, and a clamping part (5) closer to the axis, in...
US20160130941 MODULAR CUTTING HEAD  
A cutting head for hard rock mining applications is disclosed. The cutting head may have a base member. The base member may have a rotational axis and may include a center bore extending along the...
US20160097276 CONTINUOUS MINING MACHINE HAVING CORE CUTTING ASSEMBLY  
A core cutting assembly is disclosed for use with a continuous mining machine having a milling drum. The core cutting assembly may have a drive mechanism configured to rotate about a first axis of...

Matches 1 - 16 out of 16