Patents for E21D 20 - Setting anchoring-bolts (3,685)
07/2012
07/18/2012CN102587943A Method for quickly mounting capsule resin on separation area of top plate
07/18/2012CN102587942A Preliminary supporting bag cast isolation wall and placing method thereof
07/12/2012US20120177448 Grout delivery system for a rock bolt
07/11/2012CN202325581U 一种适合动载的预应力锚杆支护系统 Prestressed bolting a system for dynamic load
07/11/2012CN202325576U 锚固用双o型钢带 Anchor steel band with double o
07/11/2012CN202325575U 隧道内长管棚 Long tube tunnels
07/11/2012CN102562105A Support construction method for long anchor cable for underground mine
07/11/2012CN102562089A Method for ensuring supporting pre-tightening force of anchor rod for coal laneway
07/11/2012CN102561940A Mechanical single-arm type hydraulic roof-bolter
07/10/2012CA2460497C Rebar insertion device
07/07/2012CA2763338A1 Fully grouted mine roof bolt with expansion anchor
07/04/2012CN202300890U 气动式供水增压装置 Pneumatic pressurized water supply equipment
07/04/2012CN202300447U 一种注浆锚索快速安装推进器 One kind of grouting anchor Quick Install propeller
07/04/2012CN202300446U 矿用分离式无尘混凝土喷浆机 Mine separate clean concrete spraying machine
07/04/2012CN202300385U 综合机械化岩巷掘进机的顶帮锚杆锚索钻机 Top mechanized rock roadheader help anchor bolt rig
07/04/2012CN202300205U 加强型金刚石复合全片锚杆钻头 Reinforced composite whole sheet anchor diamond drill
07/04/2012CN202300199U 一种履带式全液压锚杆钻机 One kind of crawler hydraulic bolt rig
07/04/2012CN102536278A Progressive yielding combined-type extensible anchor rod and construction method thereof
07/04/2012CN102536277A Follower assorted supporting and anchoring system of cantilever type development machine
07/04/2012CN102536229A Tunneling, protecting and anchoring parallel work system and construction technology
07/04/2012CN102536117A Machine-mounted type multipurpose anchor rod drilling machine
07/04/2012CN102535458A Reinforced cement-soil anchor bolt and construction method thereof
07/04/2012CN102003193B Hydraulic airborne water and wind-driven drilling and anchoring device
07/04/2012CN101737005B Drilling tool for sleeving anchor cable and construction method for sleeving anchor cable with simultaneous casing
06/2012
06/28/2012WO2012083342A1 Rock bolt
06/28/2012WO2012034181A8 Drill hole plugs
06/28/2012US20120163924 Friction bolt
06/28/2012US20120163923 Structure supporting system
06/28/2012CA2822653A1 Rock bolt
06/27/2012CN102518452A Rapid and safe arch supporting method in process of passing through top-coal caving region
06/27/2012CN102518451A Construction method of shotcrete support for water contained loess geological tunnel
06/27/2012CN102518436A Method for controlling tectonic rock burst in coal mine tunneling
06/27/2012CN102518394A Hydraulic driving two-stage feeding dovetail groove guiding asymmetrically-arranged anchor drilling machine
06/27/2012CN101737006B Dry wet-type drill box of anchor rod drill carriage
06/26/2012CA2523296C Method and device for rock bolting
06/21/2012US20120155971 Rock Bolt
06/21/2012US20120155970 Mine Roof Bolt With End Fitting
06/21/2012DE102010063107A1 Chemical sliding anchor, particularly for application in mining industry, for fixing to rock in bore having fixing substance , has anchor tube and anchor nut is fixed on armature tube directly or indirectly
06/20/2012EP2466066A2 Rock bolt
06/20/2012CN202280465U 侧锚杆机及掘锚机 Side bolting machine and dig windlass
06/20/2012CN102505950A Construction method for recycling self-feeding anchor rods and anchor rod structural components thereof
06/20/2012CN102002947B Explosion expanded internal anchor head prestressed anchor cable for strengthening weak rock and anchoring method thereof
06/19/2012US8202024 Partitioned film package
06/15/2012CA2760164A1 Rock bolt
06/13/2012CN102494082A Torque amplifier for jumbolter
06/13/2012CN102493821A Support method for high stress roadway coal-rock mass
06/13/2012CN102493819A Method for controlling stability of surrounding rocks of laneway in coal seam
06/10/2012CA2756899A1 Seismic tool assembly for use in anchor insertion
06/07/2012WO2011029111A3 Tunneling machine or extraction machine
06/06/2012DE102010061006A1 Kupplung, insbesondere für das Verbinden von Ankerstangen Coupling, in particular for the connection of the anchor rods
06/06/2012CN202266283U 一种锚杆支护装药器 One kind of charge is bolting
06/06/2012CN202266259U 两臂顶帮锚杆锚索施工钻车升降平台上的脚踏翻板装置 Top arms flap means to help foot drill bolt and cable car construction lifting platform
06/06/2012CN202266258U 一种两臂顶帮锚杆锚索施工钻车的液压锚杆钻机 One kind of arms anchor bolt in the top of the car's hydraulic bolt construction drilling rig
05/2012
05/30/2012CN202250134U Tunnel excavating, anchoring and supporting all-in-one machine
05/30/2012CN202250124U Resin anchoring cartridge mounter
05/30/2012CN202250123U Auxiliary frame for hitting anchor rod
05/30/2012CN202250122U I-shaped profile steel belt for anchoring
05/30/2012CN202250121U Hydraulic front clamping type anchor cable tension machine tool
05/30/2012CN202250120U Rotary type cage handle anchor rod
05/30/2012CN102482942A 具有分离式混合和排出头的锚杆 Bolt has a separate mixing and discharge head
05/30/2012CN101824986B Coal mining process of drilling, loading, conveying and anchoring integral machine
05/30/2012CN101403302B Pedrail type liftable anchor bar anchor cable construction drill rig and double-lane fast digging technique
05/24/2012WO2012065878A1 Two-component mortar composition and its use
05/24/2012WO2011038436A3 Advancing machine
05/24/2012CA2817997A1 Two-component mortar composition and its use
05/23/2012CN202228095U Hydraulic bolting machine for coal mine
05/23/2012CN202228094U Anchor mesh support used for underground roadway
05/23/2012CN202228093U Portable anchor wire withdrawing device
05/23/2012CN202227339U Grout-stopping plug and grout-stopping system for anchor rod rope
05/23/2012CN1837503B Shell-reclaimable rock-reinforcing construction method and shelling type reinforcement body and reclaiming apparatus used thereby
05/23/2012CN102472103A Tensionable tubular resin anchored tubular bolt and method
05/23/2012CN102465706A 倾斜层状岩体的沿脉采准巷道的开凿方法 Tilt layered rock along veins of Mining Roadway excavation methods
05/23/2012CN101915112B Strong-side and strong-corner coal entry anchor rod support method
05/23/2012CN101906977B Method for preventing and treating large deformation and collapse of softrock tunnel
05/23/2012CN101798930B Rapid construction method of high-pressure water-rich fault zone of tunnel
05/15/2012US8177458 Mechanically stabilized earth connection apparatus and method
05/15/2012CA2564941C Rockbolt made of steel pipe
05/15/2012CA2481311C Drilling and bolting head for bolting machine
05/10/2012WO2012061842A2 Anchoring systems for mines
05/10/2012CA2822568A1 Anchoring systems for mines
05/09/2012CN102031873B Hydraulic tensioner of fixed-torque locking prestressed anchor
05/08/2012US8172005 Cement silo structure for mining machine
05/03/2012WO2012058341A1 Filling of partitioned film packages for anchoring systems for mines
05/02/2012CN102434111A Hydraulically-driven two-stage-feed dovetail-groove-guide symmetrically-arranged anchor rod drilling machine
05/02/2012CN102433879A Assembling unit for exerting prestress on glass fiber reinforced plastic anchor bolt and using method thereof
05/02/2012CN101725362B Composite support device of dynamic pressure softrock tunnel based on steel pipe concrete bracket
05/01/2012CA2653307C Improved rock bolt with ploughing anchors
04/2012
04/25/2012CN202202814U 金刚石复合片锚杆钻头 PDC anchor drill
04/25/2012CN102425439A 预置钢绞线双向分阶段张拉的锚索加固方法 Two-way pre-staged tensioning strand anchor reinforcement method
04/25/2012CN102425438A 极近距离煤层群多采空区下巷道的支护方法 More mining group Seams empty area under the roadway support method
04/25/2012CN102425437A 石炭系煤层开采顺槽巷道支护方法 Carboniferous coal roadway method Crossheading
04/25/2012CN102425428A 巷道迎头极破碎顶板控制方法 Roadway head pole broken roof control method
04/25/2012CN101818648B 矸石充填巷旁挤压成型模板 Lane beside waste filling extruded template
04/25/2012CN101694148B 锚杆钻机的马达传动部件 Roofbolter motor drive components
04/19/2012WO2011116918A3 Method for the retroactive strengthening of a fastening means, and injection washer suitable for this purpose
04/18/2012CN202194560U 锚杆钻机给进梁的摆动机构 Roofbolter feed beam oscillating mechanism
04/18/2012CN202194135U 锚索预应力荷载补偿或卸荷装置 Prestressed anchor load compensation or unloading equipment
04/18/2012CN102418540A 煤矿用液压八臂锚杆钻车 Mine eight-arm bolt hydraulic drill rig
04/18/2012CN102418535A 一种地下工程揭露冻结管的封堵及注浆方法 An underground pipe works to expose freeze plugging and grouting methods
04/18/2012CN101769158B 掘护锚一体化成套设备 Driving anchor integrated care equipment
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