Patents
Patents for E21C 35 - Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups , or (6,127)
08/2007
08/08/2007EP1664672A4 Geosteering detectors for boring-type continuous miners
08/08/2007CN2931752Y Hand-held water injection type coal seam drill for exploring water
08/02/2007WO2007085053A1 A holder for holding a tooth on a body of a cutting blade or grinding drum for cutting or grinding rock or hard earth formations
08/02/2007CA2637735A1 A holder for holding a tooth on a body of a cutting blade or grinding drum for cutting or grinding rock or hard earth formations
08/01/2007EP1812678A1 Arrangement for sucking dust
08/01/2007CN2929186Y Spray seal device in tunnelling machine
08/01/2007CN2929185Y Bridge type belt transfer machine
07/2007
07/26/2007WO2007082328A1 Method for regulating the drive of a shearing or heading machine
07/25/2007CN2926504Y Hard-alloy coalcutting tooth
07/19/2007WO2007079527A1 Wear part attachment system
07/18/2007EP1807607A1 Boom arrangement for a scaling device and scaling device
07/11/2007CN2921277Y Elastic coal spill plate cowl
07/04/2007CN2918731Y Adjustable coal cutter spill plate
06/2007
06/28/2007WO2007050262A3 Rotatable cutting tool with reverse tapered body
06/27/2007CN2916131Y Cutting pick assembly for use in digging mechanism
06/27/2007CN1987046A Supporting type continuous tunnelling machine
06/26/2007US7234782 Tool holder block and sleeve retained therein by interference fit
06/20/2007CN1322221C Feeding and supporting unit of movable drilling machine
06/14/2007US20070132304 Construction machine
06/13/2007CN2911182Y Angle varible pick box
06/13/2007CN2911181Y Electrically control box dampener of development machine
06/12/2007US7229136 Non-rotatable wear ring and retainer sleeve for a rotatable tool
06/07/2007WO2007063554A1 A liner component for use in mining and quarrying industries
06/07/2007CA2632548A1 A liner component for use in mining and quarrying industries
06/06/2007CN2908782Y Mining conveyor
06/06/2007CN1975110A Arrangement for the admission of pressurized water to spray systems
05/2007
05/30/2007EP1790817A1 Flighting and tool holder
05/29/2007CA2360682C Mounting of a rotatable chisel in mining machinery
05/24/2007DE202007000372U1 Vorrichtung zur Halterung eines Fräßmeißels Device for holding a Fräßmeißels
05/24/2007DE102005055544A1 Cutting tool holder, especially at a milling roller, is secured by a screw bolt wholly shrouded by the holder assembly
05/17/2007US20070108833 Method and Apparatus for Remote Mining in Low Seams
05/16/2007CN2900789Y Water seal externally placed tunnelling machine cutter part cutterhead
05/09/2007CN1961134A Mining apparatus with precision navigation system
05/03/2007WO2007048456A1 Circular-shank tool comprising a tool holder
05/03/2007WO2007048455A1 Circular-shank tool comprising a tool holder
05/03/2007US20070096538 Arrangement for data transmission in mine, and cable reel
05/03/2007DE102005051450A1 Rundschaftmeißel und Meißelhalter Round shank chisel and bit holders
05/02/2007EP1780375A1 Cutting tooth for earth working equipment
05/02/2007CN2895740Y Planer-tool fixing device and clamping element and fixing pin for same
05/02/2007CN2895739Y Coal production machine with reinforced guard
05/01/2007US7210745 Retainer for cutting bit
05/01/2007US7210744 Manually replaceable protective wear sleeve
05/01/2007CA2263216C Atmospheric detection system for an automated mining system
04/2007
04/25/2007CN2893145Y Coal-cutting machine under pit mist projector filter
04/25/2007CN2893144Y Hard alloy tool bit coal cutting machine pick-shape cutting pick with taper
04/24/2007US7207632 Shield system for coal mining
04/19/2007WO2007044791A1 Cutting element apparatuses, drill bits including same, methods of cutting, and methods of rotating a cutting element
04/19/2007DE19937252B4 Abspanneinrichtung für Förder- und/oder Gewinnungsanlagen Bracing device for conveying and / or production equipment
04/19/2007DE102005049971A1 Carbon extraction planer e.g. sword planer, has chisel carriers whose swivelable support is designed as edge opened receiver, and slidable in assembly swivelable position parallel to supporting surface on swivelable bolts by receiver
04/19/2007DE102005049318A1 Guiding device for guiding a chain-drawn sword plane comprises a guiding element consisting of a cast part extending over the length of the device and having pockets, a groove profile and/or guiding part
04/18/2007EP1266125B1 Rotatable cutting tool
04/18/2007CN1948713A Wear resistant cutting pick for coal mining and engineering
04/18/2007CN1948712A Connection device
04/17/2007US7204560 Rotary cutting bit with material-deflecting ledge
04/17/2007CA2180512C Mounting of cutter picks
04/11/2007EP1362163A4 A coal and rock cutting pick
04/11/2007CN2888072Y Pressurizer for hydraulic breaking hammer
04/11/2007CN2888071Y Guide device for hydraulic breaking hammer
04/04/2007CN1942655A Tool holder
04/04/2007CN1942654A Fixing device for a shank chisel
04/03/2007US7198332 Device for producing a gas-liquid mixture in the vicinity of cutting tools
03/2007
03/27/2007US7195321 Wear ring for a rotatable tool
03/20/2007US7192095 Support base for toolholder of a milling drum
03/20/2007US7192092 Method and means for recovering hydrocarbons from oil sands by underground mining
03/15/2007WO2007028503A1 Arrangement for extracting extraction products in underground extraction operations in caving
03/15/2007DE20221725U1 Verschleisseinrichtung Verschleisseinrichtung
03/15/2007DE102005043236A1 Anordnung zum Hereingewinnen von Gewinnungsprodukten in untertägigen Gewinnungsbetrieben im Bruchbau Arrangement for cross obtaining extraction products in underground mining operations in caving
03/15/2007CA2621183A1 Arrangement for extracting extraction products in underground mining in caving
03/14/2007EP1761682A1 Tool holder
03/14/2007CN1930370A Rotary cutting bit
03/13/2007US7188441 Plow guide for a chain-pulled plow
03/08/2007US20070052279 Bit assemblies for road milling, mining and trenching equipment
03/07/2007EP1436511B1 Method for restricting leakage of hydraulic oil in a rock drilling rig
03/01/2007WO2007024171A1 Rotary cutting pick and method of using a cutting pick for mining
03/01/2007WO2006105454A3 Trench wall ripper apparatus
03/01/2007DE202006019095U1 Verschleißelement sowie damit ausgerüstetes Bauteil A wear member as well as any equipped component
03/01/2007DE102005051449B3 Circular shank chisel, has retaining units divided between edges, which are at distance from each other and extend over part of circumference of clamping sleeve, where units form co-axial concave central section turned to convex groove base
02/2007
02/15/2007US20070035173 Low Profile Mining Machine
02/15/2007US20070035172 Boring rig
02/07/2007CN1909117A Electric cable for coal mining machine
02/07/2007CN1908373A Dynamic carrier wave control device
02/06/2007US7172256 Rotary cutting bit having spark suppression sleeve
02/01/2007DE102006029388A1 Cutting tool e.g. rotary bit, holder for attachment at vehicle, has tabs and retainer sleeve that is formed from sheet of spring steel with thickness of certain inches, where each tab has connector section inclined from cylindrical section
01/2007
01/31/2007CN2864092Y Long-range control device for tunneller constant power cutting
01/31/2007CN1297728C Method for controlling a drilling sequence, a rock drilling apparatus
01/26/2007CA2543514A1 Retainer sleeve for a rotary bit
01/24/2007CN2861485Y Dust pelletizing system for wind curtain dust collection fan in comprehensive digging working face
01/24/2007CN1902377A Core breaker for an earth strata cutting assembly
01/18/2007WO2007007232A1 Object detection system and method for use with mining machine
01/18/2007DE19625509B4 Werkzeugkomponente für Schneidmeißel aus Sintercarbidsubstrat und Verwendung zur Herstellung eines Schneidmeißels Tool component for cemented carbide cutting bit out and use for producing a cutting bit
01/11/2007DE202005018614U1 Gleitschuh für Bergbaugewinnungsgerät Shoe for mining extraction device
01/10/2007EP1740796A1 Fixing device for a shank chisel
01/04/2007WO2007000492A1 Arrangement for positioning rock drilling rig on drilling site
01/04/2007WO2006115797A3 Retainer for cutting bit
01/03/2007EP1738059A1 Rotatable cutting tool
12/2006
12/27/2006CN1884795A Small-sized drilling, assembling and anchoring integrated machine
12/20/2006EP1733120A1 Rotary cutting bit
12/20/2006EP1276969B1 Mining machine and method
12/19/2006US7150505 Retainer sleeve and wear ring for a rotatable tool
12/14/2006US20060279134 Cutting tool wear sleeves and retention apparatuses
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