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) |
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04/11/2012 | CN102410019A 悬臂式掘进机装载机构 Roadheader loading mechanism |
04/11/2012 | CN102410018A 小摩擦磁力排斥煤矿综采设备 Small friction magnetic repulsion fully mechanized coal mining equipment |
04/05/2012 | US20120080931 Road planing tool |
04/05/2012 | US20120080930 Cutter with diamond bit tip |
04/04/2012 | EP2435638A1 Wear element for earth/rock working operations with enhanced wear resistance |
04/04/2012 | EP2435636A1 Wearing element for ground engaging operations with enhanced wear resistance |
04/04/2012 | CN202181897U 一种采煤机内喷雾联接装置 One kind of spray-coupling device Shearer |
04/04/2012 | CN202181896U Guide slip shoe for coal mining machine |
04/04/2012 | CN202181849U 金刚石硬质合金复合片 Diamond carbide composite sheet |
04/04/2012 | CN102400705A 高突矿井煤巷掘进防突钻冲装锚机组 Lane Tunnel Coal Mine High sudden outburst prevention drill punch unit installed anchor |
04/04/2012 | CN102400687A 一种采煤机滚筒专用的楔型截齿结构 One kind of special wedge shearer drum cutter structure |
04/04/2012 | CN102400686A 采煤机启动方法和系统 Shearer start method and system |
04/04/2012 | CN102400682A 高效成块铲煤机 Efficient shovel coal into blocks |
03/30/2012 | DE212010000094U1 Lehren eines Modells zur automatischen Kontrolle einer mobilen Bergbaumaschine Teach a model for the automatic control of a mobile mining machine |
03/29/2012 | WO2012040156A1 Guidance system for a mining machine |
03/29/2012 | US20120074759 Safety device for the movable excavation devices in an underground longwall mine |
03/29/2012 | CA2813008A1 Guidance system for a mining machine |
03/28/2012 | CN202176611U 一种采煤机及其万向连接装置 One kind Shearer and universal connecting device |
03/28/2012 | CN202175965U Roadway floor heave removing device |
03/28/2012 | CN202174029U 一种掘进机降尘喷头 One kind of boring machine dust nozzle |
03/28/2012 | CN202174010U 一种采煤机降尘喷头 One kind of dust nozzle Shearer |
03/28/2012 | CN102395756A Mining plough for plough systems and plough system for inclined formation |
03/28/2012 | CN102395755A Bit arrangement for a mining plough, and mining plough for plough systems |
03/28/2012 | CN102392640A Close-range thin coal layer simultaneous mining and parallel transporting method |
03/27/2012 | CA2458562C Method and apparatus of orientation of a rock drilling rig |
03/22/2012 | US20120068528 Cutting device for a mining machine |
03/22/2012 | US20120068527 Quick-change tool holder system for a cutting tool |
03/22/2012 | US20120068526 Cutting Tool Configuration Having Wear Disc |
03/22/2012 | US20120068523 Guidance system for a mining machine |
03/21/2012 | EP2430289A2 Cutting tool for a mining machine |
03/21/2012 | EP2430288A2 Cutting device for a mining machine |
03/21/2012 | CN202170795U Shoveling mechanism |
03/21/2012 | CN1786415B Stell cable chain band type combined mining machine with driving, conveying, ventilating and signalling functions |
03/21/2012 | CN102383800A Dust removing device for tunneling machine |
03/21/2012 | CN102383799A High pressure resistant internal-leakage-free cutting device of tunnel boring machine |
03/21/2012 | CN102383798A Tunneller for integrated wet type dust removal device |
03/21/2012 | CN102383797A External blocking preventing nozzle |
03/21/2012 | CN102383795A Comprehensive mechanical rock drift excavating process |
03/21/2012 | CN102383794A Cross side dumping arrangement coordinated mode of rear conveyer of fully mechanized working face and support structure |
03/21/2012 | CN102383792A Cutting type remote control coal mining machine |
03/21/2012 | CN102383791A Shearer roller with slotting function |
03/21/2012 | CN102383790A Novel cutting head spiral drum used for shearer |
03/21/2012 | CN101438028B Cutting tool and method of assembling the cutting tool |
03/20/2012 | US8136887 Non-rotating pick with a pressed in carbide segment |
03/15/2012 | WO2012031610A1 Control of extraction work in underground coal mining by means of a laser measurement device |
03/15/2012 | US20120062017 Two piece tool holder assembly |
03/15/2012 | DE102011111868A1 Zweiteilige Werkzeughalteranordnung Two-piece tool holder assembly |
03/14/2012 | DE202010017602U1 Meißel eines Straßenhobels Chisel plow a road |
03/14/2012 | CN202165085U 综掘机红外光控急停装置 Digging Machine infrared light control emergency stop devices |
03/14/2012 | CN202165084U 综掘机液控随机喷雾装置 Digging Machine pilot random spray device |
03/14/2012 | CN202165083U 金属采煤机截齿 Metal shearer |
03/14/2012 | CN202165082U 一种截齿 One kind of picks |
03/14/2012 | CN202165081U 高强度高韧性新型一体式截齿 The new one-piece high strength and toughness picks |
03/14/2012 | CN202165080U 综掘机截割头保护罩 Digging Machine cutting head guard |
03/14/2012 | CN202165077U 一种掘进机及其工作机构 One kind of boring machine and its working bodies |
03/14/2012 | CN202165017U 金刚石复合齿 Diamond composite tooth |
03/14/2012 | CN102378848A Rotatable cutting tool-tool holder-base assembly |
03/14/2012 | CN102373926A Fixer of picker guide wheel, and fixation method thereof |
03/14/2012 | CN102373924A Entry-driving machine and cutting part thereof |
03/12/2012 | DE202010013084U1 Abbauförderer für Gewinnungsanlagen und Rinnenelement hierfür Mining conveyor for mining equipment and gutter member of this |
03/08/2012 | US20120056465 Cutting tool for a mining machine |
03/08/2012 | DE102010044649A1 Wechselhaltersystem für einen Meißel Change toolholder system for a chisel |
03/07/2012 | CN202157822U 一种自调整注水喷雾装置 A self-adjust water spray device |
03/07/2012 | CN102369340A Method for controlling the cutting depth of shearers |
03/07/2012 | CN102367734A Scraper conveyer head built-in spraying apparatus |
03/07/2012 | CN102367733A Coal mining machine and support device thereof |
03/06/2012 | US8128176 Device for determining the cutting horizon of a mining extraction system, and pan element therefor |
03/05/2012 | DE202010013057U1 Meißelhalter und Werkzeugunterteil für einen Meißelhalter Toolholders and tool part for a toolholder |
03/01/2012 | WO2012027707A1 Mineral seam detection for surface miner |
03/01/2012 | WO2012025516A2 Wear part |
03/01/2012 | WO2011101612A3 Extraction system for a mineral cutter pick |
03/01/2012 | US20120049608 Retainer for rotatable cutting bit |
03/01/2012 | CA2809485A1 Mineral seam detection for surface miner |
02/29/2012 | EP2422047A2 Bit arrangement for a mining plough, and mining plough for plough systems |
02/29/2012 | EP2422046A2 Mining plough for plough systems and plough system for inclined formation |
02/29/2012 | CN202152683U 具有破碎机构的掘进机 Boring machine has broken bodies |
02/29/2012 | CN202152682U 一种弧形挡煤板 One kind of curved block of coal board |
02/29/2012 | CN202152639U 一种新型人造金刚石掘齿复合片 A new synthetic diamond tooth composite sheet |
02/29/2012 | CN102364053A Heading-anchoring machine |
02/28/2012 | US8123302 Impact tool |
02/23/2012 | US20120043802 Bit arrangement for a mining plough, and mining plough for plough systems |
02/23/2012 | DE102011017439A1 Sicherheitseinrichtung an den beweglichen Abbaugeräten in einem Streb des untertätigen Bergbaus Safety device to the mobile mining equipment in a longwall mining operating under the |
02/23/2012 | DE102009027732B4 Meißel einer Fräseinrichtung Chisel a milling device |
02/22/2012 | CN102359376A Air curtain and water mist linkage dust settling method for full mechanized workface |
02/22/2012 | CN102359375A Electric cabinet cover plate |
02/22/2012 | CN102359373A Drum shearer cutting part |
02/22/2012 | CN101824984B 一种矿山巷道用挖斗装载机 One kind of mine roadway with a bucket loader |
02/21/2012 | US8118371 Resilient pick shank |
02/16/2012 | WO2012019474A1 Method, system, and probe for recognizing coal-rock interface |
02/16/2012 | US20120038205 Extraction system for mineral extraction and retaining device for a sensor system therefor |
02/16/2012 | US20120038202 Method for Controlling the Depth of Shears |
02/09/2012 | WO2012018295A1 Rotatable grading pick with debris clearing feature, a tool and block assembly and a road grading machine |
02/09/2012 | US20120032495 Mining plough for plough systems and plough system for inclined formation |
02/09/2012 | US20120032494 Underground boring machine |
02/09/2012 | DE102010033733A1 Method for recording convergence in armored face conveyor, mining machine guided to armored face conveyor and face operation of underground coal mining, involves detecting distance between slope end cap and brake attached to face conveyor |
02/09/2012 | CA2806762A1 Rotatable grading pick with debris clearing feature, a tool and block assembly and a road grading machine |
02/08/2012 | CN102345468A Safety device upon movable mining equipment within coal wall of underground mining |
02/08/2012 | CN102345459A Cutting mechanism for heading machine |
02/08/2012 | CN101899974B 一种掘进机及其浮动密封装置 One kind of boring machines and floating seal |
02/02/2012 | WO2012015348A1 Metal matrix composite mining pick and method of making |