Patents
Sitemap › E21 - Earth or rock drilling; Mining › E21C - Mining or quarrying › E21C 35 - Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups , or
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)
11/2010
11/03/2010CN101876252A Noise reduced continuous miner
11/03/2010CN101876251A Welding-free cutting bit
11/03/2010CN101876250A Longitudinal cutting head for heading or mining machines
11/03/2010CN101876249A Metal-ceramic coal cutting pick and preparation method thereof
11/03/2010CN101876248A Method and apparatus for maintaining longwall face alignment
11/03/2010CN101099025B Dust suction method relating to drilling arrangement and drilling arrangement
11/02/2010CA2460070C Method for automatic generation of a drill pattern
10/2010
10/28/2010DE112008003274T5 Brech-oder Grabwerkzeug mit Wolframcarbideinsatz und Ring, materialentfernende Maschine mit solch einem Werkzeug und Verfahren zur Herstellung solch eines Werkzeuges Crushing or grave tool with tungsten carbide insert and ring, material-removing machine with such a tool and method for producing such a tool
10/28/2010DE112008002078T5 Verwendung von Schaum, um den Widerstand gegen den Gasfluss in Grubenwendungen zu erhöhen und Vorrichtung, um denselben abzugeben Use of foam to increase the resistance to gas flow in mine turns and device to deliver the same
10/28/2010DE102009003808A1 Meißelanordnung für Gewinnungshobel und Gewinnungshobel für Hobelanlagen Bit assembly for mining plow and plow systems for mining plow
10/28/2010CA2758021A1 Bit arrangement for a mining plough, and mining plough for plough systems
10/28/2010CA2758020A1 Mining plough for plough systems and plough system for inclined formation
10/27/2010EP2242901A1 Method and device for monitoring a cutting extraction machine
10/27/2010EP2242900A1 Method for controlling longwall mining operations by identifying boundary layers
10/27/2010CN201614934U 金刚石强化复合截齿 Diamond reinforced composite picks
10/27/2010CN201614933U 一种新型截齿 A new cutter
10/27/2010CN1816432B Construction machine
10/27/2010CN101872938A Electric cabinet of coal mining machine and coal mining machine with same
10/27/2010CN101871360A Thin coal bed fully-mechanized mining scraper conveyor
10/21/2010US20100264721 Seal with Rigid Element for Degradation Assembly
10/21/2010US20100263939 High Impact Resistant Tool with an Apex Width between a First and Second Transitions
10/20/2010CN101865214A Special bearing for coal mining machine
10/20/2010CN101864976A Airborne hydraulic multifunctional temporary support machine
10/20/2010CN101864955A Transfer conveyor groove and transfer conveyor
10/14/2010WO2010118246A1 Rotatable cutting tool-tool holder-base assembly
10/14/2010WO2010117376A1 Rotatable cutting tool with continuous arcuate head portion
10/14/2010US20100259092 Rotatable Cutting Tool With Continuous Arcuate Head Portion
10/14/2010DE202010008050U1 Meißel einer Fräseinrichtung sowie Meißel-Meißelhalter-Kombination Chisel a milling device and chisel chisel holder assembly
10/13/2010CN201606077U 一种悬臂式掘进机的铲板 One kind of roadheader shovel board
10/13/2010CN201606076U 一种采掘机械用镐型截齿 One kind of mining machinery ho type cutter
10/13/2010CN201606075U 一种掘护机械 One kind of digging machinery protection
10/13/2010CN201606074U 一种刨煤机刨头加高块锁紧机构 One kind Plow planing head heightening block locking mechanism
10/13/2010CN101858214A Rock-penetrating pick tool
10/13/2010CN101858213A Drilling, loading, transporting and anchoring integrated machine with dual platforms and four arms for coal roadway
10/13/2010CN101042050B Medium sized or large sized hole drilling flat car wireless remote controller
10/07/2010US20100253130 Slotted Shank Bit Holder
10/06/2010CN201599035U 一种煤矿掘进机净化除尘装置 One kind of underground tunneling machine purifying dust removal device
10/06/2010CN201599034U 一种悬臂式掘进机的散热装置 A heat sink of roadheader
10/06/2010CN201599030U 斜井挖碴机 Inclined digging ballast machine
10/06/2010CN201599028U 极薄煤层变频调速遥控交流电牵引采煤机 Thin seam Frequency AC traction shearer remote
10/06/2010CN201599027U 一种悬臂式掘进机的装载机构 One kind of roadheader loading mechanism
10/06/2010CN101852080A Cutting pick, cutting pick head and manufacturing method thereof
09/2010
09/30/2010US20100244545 Shearing Cutter on a Degradation Drum
09/30/2010US20100244544 Ejector Unit For A Road Milling Machine Or The Like
09/29/2010CN201593423U Guide sliding shoe device
09/29/2010CN201593378U Multifunctional jumbo loader
09/29/2010CN101382072B Diamond cast-in pick and making process thereof
09/23/2010US20100237684 Core Breaker With Dust Suppression System
09/23/2010US20100237683 shearer loader for underground mining comprising a spray system
09/23/2010US20100237682 Loading arm with wear resistant end, mining equipment using the arm, and method of use
09/23/2010US20100237681 Mining Machine, In Particular Surface Miner, As Well As Method For The Removal And Installation Of A Transport Device In A Mining Machine
09/22/2010CN201588631U Nylon water injecting valve body used for tunnel driving rock drilling machine
09/22/2010CN201588630U Abrasion-resistant cutting pick
09/22/2010CN201588628U Low seam electric traction coal mining machine
09/22/2010CN101842202A Shank chisel
09/22/2010CN101839133A Development machine coal rock identification automatic cutting control method and system
09/21/2010US7798247 Arrangement for sucking dust
09/16/2010WO2010103339A1 Mining machine cutter bits and mounting sleeves
09/16/2010US20100231026 Heading machine
09/15/2010CN201581897U Remote control device with working condition display for coal winning machine
09/15/2010CN201581896U Scrapper compensation device of continuous miner
09/15/2010CN201581895U Tool apron
09/15/2010CN201581894U Small cantilever-type tunneling machine
09/15/2010CN101832136A Automatic correction method and system for tunneling machine
09/15/2010CN101832135A Water seal assembly of cantilever segment of tunneling machine
09/10/2010WO2010099572A1 Dust scrubber
09/08/2010CN201574760U Accurate positioning device for coal cutter memorized cutting position
09/08/2010CN201574759U Device for reducing dust generated by drilling holes on fully-mechanized excavation face in coal mine
09/08/2010CN201574758U Shovel plate of cantilever type tunneling machine
09/08/2010CN201574757U Tail coal loader of combined mechanization mining face conveyor
09/08/2010CN201574756U Development drill bit of cantilever-type development machine
09/08/2010CN201574755U Self-lubricating easy-dissembling pin and sleeve connection structure of height adjustable oil cylinder of coal mining machine
09/08/2010CN201574753U Cantilever type tunneling machine
09/08/2010CN1834404B Plough guide for a chain-pulled plough
09/08/2010CN101828004A Method for controlling a cutting extraction machine
09/08/2010CN101824986A Coal mining process of drilling, loading, conveying and anchoring integral machine
09/08/2010CN101824984A Loader of dredging bucket for roadways of mine
09/08/2010CN101338672B Digging laneway temporary support device
09/08/2010CN101169038B Full automatic tunneling machine
09/07/2010US7789468 Bit holder usable in bit blocks having either of a cylindrical or non-locking taper bore
09/01/2010CN201568056U Orientation laser intelligent receiving target
09/01/2010CN201568053U Novel tunneling machine for coal mine
09/01/2010CN101821478A Connector device for trough pans on mining equipment trough pan and assembly component for the same
09/01/2010CN101821477A Extraction system for mineral extraction and retaining device for a sensor system therefor
08/2010
08/31/2010US7784875 Chisel holder system
08/26/2010DE102009009000A1 Verfahren zur Regelung der Schnitthöhe bei Walzenschrämladern Method for controlling the cutting height at Walzenschrämladern
08/25/2010CN201560762U Rotary adjustable supporting seat
08/25/2010CN201560716U Mine bolting support wet drilling device
08/25/2010CN101812985A Cutting pick of coal mining machine
08/25/2010CN101270663B Bestriding type reversed loader
08/24/2010US7780242 Retainer sleeve and wear ring for a rotatable tool
08/19/2010WO2010091814A2 Method for controlling the cutting depth of shearers
08/18/2010EP2218829A2 Cutting bit for a slotted wall cutter
08/18/2010CN201554483U Thin seam blasting mining movable coal baffle device and hydraulic support and conveyor thereof
08/18/2010CN201554461U Lateral moving frame for cantilever of drilling machine
08/18/2010CN1942655B Tool holder
08/18/2010CN101809250A Use of foam to increase resistance to gas flow in mine applications and apparatus for delivering same
08/11/2010EP2214878A1 Shank chisel
08/11/2010CN201546727U Atomizing dust settling sealed dedusting device
08/11/2010CN201546726U Slipper-type star wheel device
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