Patents
Sitemap › E21 - Earth or rock drilling; Mining › E21C - Mining or quarrying › E21C 25 - Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam
Patents for E21C 25 - Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam (2,629)
07/2014
07/16/2014CN102635353B 双悬臂硬岩煤巷掘锚装备 Double cantilever hard rock coal roadway excavation equipment anchor
07/10/2014WO2014106455A1 Mining machine with reciprocating impact portion with dual-seal leakage prevention for implementing method for dual-seal leakage prevention of reciprocating impact portion
07/09/2014CN203702145U 煤机割顶限位装置 Coal cutting top stopper
07/09/2014CN203702144U 双滚筒薄煤层采煤机 Double drum thin seam shearer
07/09/2014CN103912272A 掘进机 Boring Machine
07/08/2014US8775099 Method for determining the wear state
07/03/2014US20140183927 Nanotube slicer
07/02/2014CN203685178U 一种掘进机的装载机构 One kind of boring machine loading mechanism
07/02/2014CN203685177U 一种掘进机 One kind of boring machine
07/02/2014CN103899306A 薄煤层联合采煤机组及其采煤机和刮板运输机 Thin seam CCMU its shearer and scraper conveyor
07/01/2014US8764893 Dust scrubber
06/2014
06/25/2014CN203669872U 皮带转载机 Belt loader
06/25/2014CN203669867U 可发光的掘进机切割头 TBM can emit light cutting head
06/25/2014CN203669866U 可发光的采煤机滚筒 Can emit light shearer drum
06/25/2014CN203669865U 恒支护掘锚机 Constant support dig windlass
06/25/2014CN203669864U 切割片式掘进机截割装置 Cutting Chip Roadheader device
06/25/2014CN203669863U 一种复合旋切的采掘机 A composite veneer of mining machine
06/25/2014CN203669862U 切割片式旋转臂掘进机截割装置 Cutting-piece rotating arm roadheader cutting device
06/25/2014CN103883324A 新型三刀截割煤设备 The new Mito coal cutting equipment
06/25/2014CN103883323A 无人智能采矿机及安装有侧翼截割装置的机械设备 Unmanned intelligent mining machines and mechanical equipment installed flank cutting device
06/25/2014CN102410017B 支护式综合掘锚机 Supporting style integrated dig windlass
06/25/2014CN102168555B 一种超低面全液压钻式采煤机 An ultra-low surface full hydraulic drilling Shearer
06/19/2014US20140167487 Rotary cutter drum for continuous mining machine
06/18/2014CN203655287U 一种自行走可双向钻进的钻式采煤机 A two-way self-propelled drilling drill Shearer
06/18/2014CN203655286U 悬臂式掘进机用滚刀型截割头 Roadheader cutting head with a hob-type cut
06/18/2014CN203655285U 一种采煤机的双滚筒截割部 One kind of double-drum shearer cutting unit
06/18/2014CN203655284U 一种自行走可双向钻进的滚筒式采煤机 A bi-directional drilling can go on their own drum shearer
06/18/2014CN203655283U 一种采用双滚筒截割部的四滚筒采煤机 A four-cylinder double-drum shearer cutting unit
06/18/2014CN103867203A Mining laneway chain saw type hard rock roadheader
06/18/2014CN103867202A Unmanned intelligent mining machine
06/18/2014CN102383794B Cross side dumping arrangement coordinated mode of rear conveyer of fully mechanized working face and support structure
06/11/2014CN203640730U 用对背槽增高和/或加宽扶正冲击头装置 With the right back slot increased and / or widening impact head righting device
06/11/2014CN103850681A Mechanical saw-cutting mining platform
06/11/2014CN102628361B Tunneling machine and second conveyer revolving structure thereof
06/11/2014CN102383795B Comprehensive mechanical rock drift excavating process
06/10/2014CA2671246C Extendable cutter drum for a boring machine
06/05/2014WO2014082376A1 Rocker arm rolling friction-based extension and retraction method, and rocker arm rolling friction-based extendable and retractable extractor and loader
06/05/2014WO2014043658A3 Cutter head for mining machine
06/04/2014CN103835719A Self-adaptive cutting method for coal mining machine based on virtual trajectory control
06/04/2014CN103835713A Cutting device of heading machine
06/04/2014CN103835712A Coal cutting roller of coal mining machine
06/04/2014CN103835711A Unmanned intelligent mining machine
06/04/2014CN103835710A Hard rock-type large-gradient heading machine
05/2014
05/28/2014CN203614102U 一种内外螺旋线变导程采煤机螺旋滚筒 One kind of internal and external variable lead helix spiral drum shearer
05/28/2014CN203614101U 一种全岩巷纵轴式掘进机 An all-rock roadway longitudinal axis of the roadheader
05/28/2014CN103821513A 一种掘进机 One kind of boring machine
05/28/2014CN103821511A 一种掘进机高压水射流辅助截割头 One kind of high-pressure water jet assisted roadheader cutting head
05/28/2014CN103821510A 掘进机及其截割头定位系统、截割系统和截割方法 Boring machine and cutting head positioning system, cutting systems, and cutting methods
05/21/2014CN203603900U 高压水钻割一体机 High pressure diamond cutting machine
05/21/2014CN203603899U 硬岩型大坡度掘进机 Hard Rock TBM type large slope
05/21/2014CN203603898U 一种薄煤层采煤机 Of a thin coal seam shearer
05/21/2014CN103806913A 一种高压水射流辅助掘进机截割机构 A high-pressure water jet assisted Roadheader agency
05/20/2014US8727450 Mining machine with driven disc cutters
05/15/2014WO2014072146A2 Cutting ring for a cutting roller for quarrying and cutting roller for quarrying
05/14/2014CN103790584A 一种用于硬岩矿开采的冲击辅助式掘进机 Shock-assisted tunneling machine for hard rock mining
05/13/2014US8720612 Cutting element and a method of manufacturing a cutting element
05/08/2014US20140125111 Continuous miner center drum with offset split surfaces
05/07/2014CN203584427U 双金属密封滚刀 Bi-metal seal hob
05/07/2014CN203584426U 一种不夹料冲击落料采掘机 A non-material impact blanking clip mining machine
04/2014
04/30/2014CN203570314U Drum front-cutting type continuous mining and loading machine for open pit coal mine
04/30/2014CN203570311U Cutting part of coal cutter with internal height adjusting pump box
04/30/2014CN103759049A Heading machine cutting arm
04/30/2014CN103758516A Loading mechanism of development machine
04/23/2014CN103742471A Rock drilling machine anti-clamping system
04/23/2014CN103742135A Rapid rectangular full-face tunnel boring machine for mining
04/23/2014CN103742134A Hob-type cutting head for boom-type roadheader
04/23/2014CN103742133A Drum type cutting tooth chain transmission shearer cutting part
04/23/2014CN102305068B Development machine
04/23/2014CN102162360B Drilling and loading machine and drilling-in device thereof
04/16/2014CN203547739U Combined rock drilling unit
04/16/2014CN203547738U Coal cutter with overall ply rocker arm
04/16/2014CN203547737U Telescopic device for transverse shaft heading machine cutting portion
04/16/2014CN203547736U Novel continuous coal mining machine
04/10/2014US20140097665 Determining milled volume or milled area of a milled surface
04/09/2014CN203531899U Step-tooth reciprocating impacting excavator
04/09/2014CN203531898U Reciprocating impacting excavator with discharging hole for discharging
04/09/2014CN203531897U Impact device for increasing correcting impact strength
04/09/2014CN203531896U Multilayer impacting head excavation device
04/09/2014CN103711486A Coal mining machine
04/08/2014US8690262 Heading machine having cutting unit made of disc tools
04/08/2014US8690261 Hydraulic resonant breaking hammer
04/02/2014EP2713006A1 Technology and equipment for separating coal and gangue and refilling gangue.
04/02/2014CN203515584U Middle groove and long-wall mining machine
03/2014
03/26/2014CN203499689U Adjustable ramp plate for cutting part of coal cutter
03/26/2014CN203499685U Roller cover plate of coal mining machine with cutting picks
03/26/2014CN203499684U Coal cutter rocker arm provided with plough plate
03/26/2014CN203499683U Slack-preventing device of roller of coal cutter and installation structure of slack-preventing device
03/26/2014CN103670402A Drilling and slotting integrated machine for coal mines
03/26/2014CN103670401A Self-walking drum shearer capable of drilling bidirectionally
03/26/2014CN103670400A Heading machine
03/26/2014CN103670399A Novel coal mining machine and grip arm thereof
03/26/2014CN103670398A Cutting disc type heading machine cutting device
03/26/2014CN103670397A Cutting disc type rotating arm heading machine cutting device
03/26/2014CN102388204B Retention assembly for cutting bit
03/20/2014WO2014043658A2 Cutter head for mining machine
03/20/2014WO2011130687A3 Conveyor system for continuous surface mining
03/20/2014US20140077578 Cutter head for mining machine
03/19/2014CN103643953A Deep drilling heading machine
03/19/2014CN103643952A Self-traveling drilling type coal mining machine with two-way drilling
03/19/2014CN102383798B Tunneller for integrated wet type dust removal device
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