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)
05/2012
05/30/2012CN202250080U Antiskid device for coal mining machine
05/30/2012CN202250079U Security protection plate for coal winning machine
05/30/2012CN202250078U Protection device of cutting head of tunneling machine and tunneling machine
05/30/2012CN202250076U Development machine and cutting part thereof
05/30/2012CN202250072U Planing device used for mining and planing tool body
05/30/2012CN202250071U Dual-purpose drilling and loading machine of tunnel
05/30/2012CN202250070U Heading machine integrated with wet type dust-removing device
05/30/2012CN202250069U Tunneling saw for coal mining
05/30/2012CN202248025U Extension slide rail assembly mechanism of bucket
05/30/2012CN202248024U Hopper extension sliding rail assembly mechanism with friction pieces
05/30/2012CN102482941A 用于在辊子采煤机中通过辊子的倾斜支撑的雷达导航自动化地制造限定的工作面开口的方法 Methods roller Shearer in automated manufacturing defined by rollers radar navigation Face inclined support for opening
05/30/2012CN102482862A 用于地面啮合操作的耐磨性增强的耐磨部件 For enhanced wear resistance of the ground engaging operation of the wear part
05/30/2012CN101824986B Coal mining process of drilling, loading, conveying and anchoring integral machine
05/30/2012CN101663462B Device for determining the cutting horizon of a mining extraction system, and pan element therefor
05/29/2012US8186764 Noise reduced continuous miner
05/23/2012EP2454450A2 Advancing machine
05/23/2012EP2454418A2 Shear resistant excavation component
05/23/2012CN202228106U Dustfall agent adding device for coal mine
05/23/2012CN202228079U Vehicle-mounted dust controlling and removing integrated device and system for machine digging face
05/23/2012CN202228078U Pick device, cutting mechanism and coal machinery
05/23/2012CN202228073U Tunnel boring machine for rock roadway
05/23/2012CN102472099A 掘进机 Boring Machine
05/23/2012CN102472098A 用于刀具截齿的不旋转的垫圈、刀具和块体组件、减少冲蚀磨损的方法和材料去除机器 Methods for washers, tool and block assembly does not rotate tool cutter, reducing erosion and material removal machine
05/23/2012CN102472097A Wear-resistant attachments for high-wear applications
05/23/2012CN102465703A 采煤机行走监护系统 Shearer walking Monitoring System
05/23/2012CN102463236A 残余矿物清理机 Residual mineral cleaning machine
05/23/2012CN102463235A 具有缓冲功能的残余矿物清理机 Residual mineral cleaning machine having a buffering function
05/23/2012CN102463234A 具有辅助清理功能的矿物清理机 An auxiliary fossil cleaning machine cleaning function
05/23/2012CN102463233A 具有较高吸附效率的残余矿物清理机 Has a high adsorption efficiency of residual mineral cleaning machine
05/23/2012CN102463232A 方便携带的残余矿物清理机 Easy to carry residual mineral cleaning machine
05/23/2012CN102463231A 可自动行走的矿物清理机 Automatic cleaning machine mineral walking
05/23/2012CN101949290B Method for realizing overload protection of coal mining machine by adjusting rotary drum height of coal mining machine
05/23/2012CN101876249B Preparation method of metal-ceramic coal cutting pick
05/18/2012WO2012062281A1 Use of a wear-resistant steel component especially as the plow of a construction machine
05/18/2012WO2012061901A1 A scraper machine
05/17/2012US20120119563 Cutting Tool with Nozzle for Spraying Water on a Cutter Bit
05/16/2012EP2452045A2 Attack tool assembly
05/16/2012DE102010051048A1 Wechselhaltersystem für einen Meißel Change toolholder system for a chisel
05/16/2012CN202220608U Pressurized spraying dust collector
05/16/2012CN202220607U Travelling type automatic centering coal blocking board
05/16/2012CN202220606U Polycrystalline diamond cutting tooth
05/16/2012CN202220605U Onboard hydraulic safety protective cover for cutting head of tunneling machine
05/16/2012CN102459811A 教导用于移动采掘机械的自动控制的模型 Teaching model for mobile mining machinery automatic control
05/16/2012CN102454408A Hard alloy tool bit pickaxe-shaped cutting pick
05/16/2012CN102454407A Wear resistant pick
05/16/2012CN102454406A Wear-resistant and anti-falling pickaxe-shaped cutting pick
05/16/2012CN102454405A Pickaxe-shaped pick
05/16/2012CN102454404A Pick
05/16/2012CA2758482A1 Roller circle assembly for heavy machinery
05/09/2012CN202215248U High-efficient dedusting system with air flue arranged in middle of entry-driving machine
05/09/2012CN202215247U Micronano ceramic particle laser reinforced cutting tooth
05/09/2012CN202215246U Back stability fishtailing mechanism of entry-driving machine
05/09/2012CN202215243U Advancing beam and front locating seat of drilling jumbo
05/09/2012CN202214744U Rubber crawler-type slagging-off machine
05/09/2012CN202214743U Backhoe loader
05/03/2012WO2012057957A1 Grading pick with extended fins
05/03/2012US20120104833 Wear insert and retainer
05/03/2012US20120104831 Heading Machine
05/03/2012US20120104830 Grading Pick With Extended Fins
05/03/2012US20120104829 Hydraulic Circuit For Longwall Mining
05/03/2012US20120104828 Can-based system to calculate the weight of milled materials
05/03/2012CA2814307A1 Grading pick with extended fins
05/02/2012EP2446207A2 Method for determining the position of installation components in mining installations
05/02/2012CN202209173U Coal mining machine
05/02/2012CN102439261A Method for determining the position or situation of installation components in mineral mining installations and mining installation
05/02/2012CN102439233A Wear element for earth/rock working operations with enhanced wear resistance
05/02/2012CN102438131A Coal cutting visualization device of coal mining machine
05/02/2012CN102434156A Dust removing curtain device for development machine
05/02/2012CN102434153A Coal-mining device and coal-mining method of steeply inclined extremely thin coal seam manless working face
05/01/2012CA2470740C Dust catcher
04/2012
04/26/2012WO2012054199A1 Reduced volume cutting tip and cutting bit incorporating same
04/26/2012WO2012051803A1 Composite rotary-cutting mining machine
04/26/2012US20120098326 Reduced Volume Cutting Tip and Cutting Bit Incorporating Same
04/26/2012US20120098325 Method for the Automated Production of a Defined Face Opening by Means of Slope-Assisted Radar Navigation of the Roller of a Roller Cutter Loader
04/26/2012CA2814164A1 Reduced volume cutting tip and cutting bit incorporating same
04/25/2012CN102425415A 半煤岩巷炮掘煤矸分装机 Semi coal gangue rock roadway Excavating dispensing machines
04/25/2012CN102425414A 采煤机滚筒专用的开槽截齿结构 Shearer drum structure dedicated slotting cutter
04/25/2012CN102425376A 一种旋挖钻机用的钻具及包括该钻具的旋挖钻机 One kind of rotary drilling rig with drilling and include the drilling of rotary drilling rig
04/19/2012WO2011101612A4 Extraction system for a mineral cutter pick
04/19/2012US20120091782 Method for determining the position or situation of installation components in mineral mining installations and mining installation
04/18/2012EP1456826B1 Method and system for parameter settings of rock drilling equipment
04/18/2012CN202194661U 一种聚晶金刚石增强型截齿 One kind of polycrystalline diamond cutter Enhanced
04/18/2012CN102421990A 用于采矿机的切削工具 A cutting tool for a mining machine
04/18/2012CN102421989A 用于采矿机的切削装置 Mining machine for cutting apparatus
04/18/2012CN102418523A 一种高耐磨无火花的刀形截齿 A highly wear-resistant non-sparking blade cutter
04/18/2012CN102418522A 一种掘进机及应用其的截割标定方法 One kind of boring machines and application of cutting its calibration method
04/18/2012CN101490365B 用于地下采矿的具有喷淋系统的滚筒式采矿机 Tumble mining machines used in underground mining with a sprinkler system
04/17/2012US8157331 Method for steering a mining machine cutter
04/17/2012US8157330 Method and apparatus for maintaining longwall face alignment
04/12/2012WO2012012160A3 Cutter assembly configured to allow tool rotation
04/12/2012US20120086259 Mixer Bar For A Stabilizer/Recycler
04/12/2012DE102010038016A1 Mischersteg für einen Stabilisierer/Recycler Mixer stage for a stabilizer / recycler
04/11/2012EP1740796B1 Device for retaining a shank-type pick
04/11/2012CN202187764U 整体移动式砂矿采选机组 Overall mobile sand ore mining unit
04/11/2012CN202187763U 一种掘进机 One kind of boring machine
04/11/2012CN202187762U 刀具连接杆 Tool connecting rod
04/11/2012CN202187761U High-power heavy type low seam mining machine
04/11/2012CN102410287A 一种大倾角采煤机及其吸油装置 One kind of large angle shearer and suction devices
04/11/2012CN102410021A Adjustable track clamping device for scraper loader
04/11/2012CN102410020A Safety protection device for troughs of scraper loaders
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