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)
09/2012
09/04/2012CA2770084A1 Core breaker for a mining machine
09/04/2012CA2765583A1 Polygonal shield washer
08/2012
08/30/2012DE112010003725T5 Drehbares Schneidwerkzeug mit hartem Schneidglied The rotary cutting tool with a hard cutting member
08/30/2012CA2827914A1 Insert and degradation assembly
08/29/2012EP2491228A2 Round shaft bit with a retaining sleeve
08/29/2012CN202402485U Shaft sleeve used in rocker arm of coal cutter
08/29/2012CN202402035U Device for collecting dust coal
08/29/2012CN202402034U Self-moving stepping device used for tunneling
08/29/2012CN202402033U Collection device for shovel plate of heading machine
08/29/2012CN202402032U Coal unloading device of coal cutter
08/29/2012CN202402031U T-shaped guide slot plug-in sliding shoe rack
08/29/2012CN102650209A Tunneling machine
08/23/2012DE202011050143U1 Gewinnungseinrichtung zum Abbau von flözartig oder massiv abgelagerten mineralischen Materialien und Gewinnungsmaschine hierfür Obtaining means for reducing flözartig or solid deposited mineral materials and mining machine for this purpose
08/22/2012EP2489830A2 Mineral winning pick, pick box, and combination
08/22/2012CN202391430U Dust removal device for fully-mechanized heading
08/22/2012CN202391429U Mineral particle size control device for heading machine
08/22/2012CN202391428U Lever type constant support device for tunneling equipment
08/22/2012CN202391427U Temporary support and top plate and bottom plate supporting device of rock-roadway tunneling machine
08/22/2012CN202391425U Rotary-percussion coal mining machine
08/22/2012CN202390033U Coal mining machine pipe cable dragging device
08/22/2012CN102644463A Pin rail with variable pitch
08/22/2012CN102644462A Mineral mining cutting pick, cutting pick seat, and assembly thereof
08/21/2012CA2650811C Cutting tool and method of assembling the cutting tool
08/17/2012CA2768875A1 Mineral winning pick, pick box, and combination
08/16/2012DE102010038016B4 Mischersteg für einen Stabilisierer/Recycler Mixer stage for a stabilizer / recycler
08/15/2012CN202381454U Coal mining machine with wide inclined angle and oil absorbing device thereof
08/15/2012CN202381094U Remote control system for bidirectional mine
08/15/2012CN202381093U Device for assisting heading machine to go up and down mountain with heavy grade
08/15/2012CN102635774A Manual reversing system
08/15/2012CN102635355A Cutting part of tunneling machine
08/15/2012CN102108864B Coal mining machine and guiding skid shoe component
08/08/2012CN202370520U External atomizing nozzle of fully-mechanized road header
08/08/2012CN202370519U Installation structure for dedusting fan of comprehensive heading machine
08/08/2012CN202370518U Pickaback temporary support device applied to low coal mine laneway
08/08/2012CN202370517U Anti-explosion installation mechanism for speed measuring positioner device of coal mining machine
08/08/2012CN202370516U Mine heading machine
08/08/2012CN102628362A Automatic working face complete equipment for thin seam drum shearer
08/08/2012CN102628361A Tunneling machine and second conveyer revolving structure thereof
08/08/2012CN101975063B Laser guided positioning and orientation device and method of roadheader
08/08/2012CN101573508B Method for identifying blockages in sprinkler devices and apparatus for carrying out this method
08/07/2012CA2541718C Boring rig
08/01/2012CN202360101U External spraying device of cantilever type development machine
08/01/2012CN202360100U Coal mining machine and external spraying device thereof
08/01/2012CN202360099U Rolling material raking device
08/01/2012CN202360098U High-abrasion-resistance and spark-free knife-shaped drilling cutting tool
08/01/2012CN202360097U Water-cooled cutting arm for heading machines
08/01/2012CN202360096U Small-friction magnetic-repulsion fully-mechanized coal mining device
08/01/2012CN202360095U Waterproof structure of spray system in heading machine
08/01/2012CN202360094U Sliding heading machine
08/01/2012CN202360093U High-efficiency clumpy coal shovel
08/01/2012CN202357863U Articulated-wheel loader for ultra-low mines
08/01/2012CN102619511A Working-face automated integrated control system for thin seam drum shearers
08/01/2012CN102619510A Adjustable jetting support for dust control of comprehensive mechanized excavation surface of mine
08/01/2012CN102619509A Adjustable scraper for scraper loader
08/01/2012CN102619508A Rope supporting mechanism capable of preventing steel wire rope from drooping for scraper loader
08/01/2012CN102619507A Chute connecting and fastening device for scraper loader
07/2012
07/26/2012DE102011056363A1 Polygonförmige werkzeugpicke aus carbid Polygon tool peck of carbide
07/26/2012DE102011000314A1 Method for dismantling round shank chisel of milling device from receiving bore of chisel holder, involves moving chisel with clamping sleeve towards longitudinal axis relative to support plate, to displace sleeve in plate opening
07/25/2012CN202348283U Abrasion-proof cutting pick
07/25/2012CN202348282U Reinforced cutting tooth
07/25/2012CN202348281U Starting alarm device for continuous miner
07/25/2012CN202348280U Safe shed for medium-length hole trolley
07/25/2012CN202348278U Loading mechanism for cantilever type tunnelling machine
07/25/2012CN202348277U Coal cutter rotary drum for cutting hard dirt band
07/25/2012CN102606674A Damping device and engineering mechanical equipment
07/25/2012CN102606158A Novel low coal seam coal mine underground mining complete equipment
07/25/2012CN102606153A Fully sealed coal roadway tunneling and anchoring synchronous machine
07/25/2012CN102606152A Novel quick digging and anchoring integrated machine for rectangular coal roadway
07/21/2012CA2764767A1 Method of controlling a miner to cause wobble in the cutting heads
07/19/2012WO2011048006A3 Pick, in particular, a round shaft pick
07/19/2012US20120181845 Dual Slotted Holder Body for Removal Tool Access
07/18/2012CN202338345U 矿用截齿 Mine picks
07/18/2012CN202338344U 采煤机控制光缆系统 Shearer control cable system
07/18/2012CN202338341U 急倾斜极薄煤层无人工作面的采煤装置 Steeply inclined thin seam mining equipment unattended Face
07/18/2012CN102589514A Heading machine pose parameter measuring device and method thereof
07/18/2012CN102587911A Tunneling control system and method for tunneling machine and tunneling machine
07/18/2012CN102587910A Debugging method of automatic working surface device of thin coal seam drum shearer
07/18/2012CN102587909A Watering and dust removal device for fully-mechanized excavation working surface
07/18/2012CN102587908A Lateral narrow-array type novel slag removing machine in conveying trough mechanism
07/18/2012CN102587907A Two-arm gangue discharge system
07/18/2012CN102587906A Development machine
07/18/2012CN102587905A Mine tunneller
07/18/2012CN102587903A Comprehensive tunneling system for stone drift
07/18/2012CN102587902A Coal mining machine
07/18/2012CN102587901A Cutting device of roadheader
07/18/2012CN101994511B Construction technique for cutting and splitting rectangle grooves of railway and road tunnel
07/12/2012US20120175939 Bit holding system with an opening for removal of broken bits
07/12/2012DE102012100181A1 Meissel-Halterungssystem mit einer Öffnung zur Entnahme von zerbrochenen Meisseln Chisel holder with an opening system for removal of broken Chiseling
07/11/2012CN202325519U 无人工作面震动还原系统 No Face vibration reduction system
07/11/2012CN202325518U Cooling and spraying systems integrated module of coal mining machines
07/11/2012CN202325517U 刮板输送机机头内置喷雾装置 Built-in scraper conveyor nose spray device
07/11/2012CN202325516U Safety protective device for material groove of stacking-raking machine
07/11/2012CN202325515U 一种用于p系列耙斗装岩机中牵引耙斗钢丝绳的自锁紧机构 A p series rock loader bucket rake rake bucket traction rope for self-locking mechanism
07/11/2012CN202325514U 一种用于耙斗装岩机的可调式卡轨器 A rock loader bucket rake adjustable rail card
07/11/2012CN202325513U 自动防跑车式装岩机 Automatic anti-car-style rock loader
07/11/2012CN202325512U Blasting-mining machine-loading scraper conveyor middle groove
07/11/2012CN202325511U 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
07/11/2012CN202325510U 棱形切割机头 Angled cutting head
07/11/2012CN202325509U Forced antiskid mechanism for coal mining machine
07/11/2012CN202325508U 装煤机临时支护支架 Coal loader temporary support bracket
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