Patents for E21D 20 - Setting anchoring-bolts (3,685)
04/2012
04/17/2012US8157482 Anchor system
04/11/2012EP2438270A2 Anchoring bolt having an extruding piston
04/11/2012CN102410017A 支护式综合掘锚机 Supporting style integrated dig windlass
04/10/2012US8152416 Device for expanding and/or evacuating parts of anchors
04/05/2012WO2012021588A3 Fully grouted cable bolt
04/04/2012CN102405329A 摩擦锚杆 Friction Bolt
04/04/2012CN102400705A 高突矿井煤巷掘进防突钻冲装锚机组 Lane Tunnel Coal Mine High sudden outburst prevention drill punch unit installed anchor
04/04/2012CN102400698A 两硬大采高综采工作面煤壁片帮防治方法 Two large mining hard Mechanized Mining Coal Wall Control Methods
03/2012
03/28/2012EP2432970A2 Rock bolt with separate mixing-and discharge head
03/28/2012CN202176348U 地下工程模型试验中系统锚杆施作的定位装置 Underground engineering model test systems applied for anchor positioning device
03/28/2012CN102392661A Grouting construction method for high pressure and rich water zone of tunnel and orifice pipe component
03/28/2012CN102392658A Quantification design method for preliminary bracing parameters of unsymmetrical loading tunnel
03/28/2012CN102392649A Pre-reinforced composite structure for tunnel longitudinally penetrating through slope and implementation method thereof
03/28/2012CN102392457A Friction type resin anchor rod and installation method thereof
03/27/2012US8142110 Anchor fixing agent, anchor fixing agent ampule, and method for fixing anchor
03/27/2012US8142109 Corrosion-protected, self-drilling anchor and anchor subunit and method for the production thereof
03/22/2012WO2012034181A1 Drill hole plugs
03/22/2012US20120070234 Rock Bolt
03/22/2012CA2809690A1 Drill hole plugs
03/21/2012CN102383795A Comprehensive mechanical rock drift excavating process
03/20/2012US8137032 Anchor with grout jacket
03/14/2012EP2427633A1 Method, system, use of the system and reinforcement member for rock reinforcement
03/13/2012CA2490111C Rock bolting system
03/08/2012WO2011156450A3 Resin-anchored bolt with indentations
03/07/2012CN102367736A Full-length blocking of drilling free sections of anchor rod and anchor rope by using polyurethane foamed bags
03/01/2012US20120048009 Method, system, use of the system and reinforcement member for rock reinforcement
02/2012
02/29/2012CN102364054A Side anchor rod machine and heading-anchoring machine
02/29/2012CN102364053A Heading-anchoring machine
02/29/2012CN102364048A Comprehensive mechanized rock roadway tunneling machine
02/27/2012CA2740088A1 Seismic tool assembly for use in anchor insertion
02/27/2012CA2725069A1 Seismic tool assembly for use in anchor insertion
02/22/2012EP1794462B1 Affixing an anchor in a drilled hole
02/22/2012CN202148913U 锚杆预紧装置 Bolt tensioners
02/22/2012CN202148912U 锚固用十字型双层钢带 Double-layer steel anchor with a Phillips
02/16/2012WO2012021588A2 Fully grouted cable bolt
02/16/2012US20120039672 Fully grouted cable bolt
02/16/2012DE102010063098A1 Gesteinsanker Rock bolts
02/16/2012CA2807061A1 Fully grouted cable bolt
02/15/2012EP2417312A1 Method of reinforcing a structure and apparatus therefor
02/09/2012US20120034036 Friction stabiliser
02/08/2012EP2414634A1 A grout delivery system for a rock bolt
02/08/2012CN202140101U 一种安装玻璃钢锚杆用的连接器 A bolt mount connector with fiberglass
02/08/2012CN102345463A Support structure for large-span shallow-buried underground tunnel in urban sensitive area
02/02/2012WO2012013968A2 Resin system and rock anchor
02/02/2012CA2805575A1 Resin system and rock anchor
02/01/2012CN1788139B 用于岩石锚杆的方法和装置 Methods and apparatus for rock bolt
02/01/2012CN102337912A Rapid anchoring method for coal mine roadway anchor rod
02/01/2012CN102337911A Hydraulic front-clamp type anchor cable tensioning machine tool and operating method thereof
02/01/2012CN102337903A Method of active coupling support in time and space for control of minimum deformation of surrounding rock of deep well roadway
02/01/2012CN101994315B 全长粘结预应力锚杆及其施工方法 Grouted prestressed anchor and construction method
01/2012
01/26/2012US20120020744 Rock anchor
01/25/2012CN101672158B Jumbolter gyrator capable of vibrating and rotating positively and negatively
01/24/2012US8100607 Rock anchor
01/24/2012CA2667464C Cement silo structure for mining machine
01/18/2012CN102322280A Method for preventing hydraulic bracket in large inclined angle workface from collapsing
01/18/2012CN102322267A Method for preventing and controlling rock burst in soft rock of deep well
01/12/2012US20120009022 Device for anchoring in multilayer soil
01/11/2012CN102317573A Yielding bolt and assembly
01/11/2012CN102312676A Construction method for high face mining support removing passage under complicated geological condition
01/05/2012WO2012000016A1 An apparatus for post-grouting a cable bolt, cable bolt assembly and method of installing a cable bolt
01/04/2012CN102305092A Tunneling, anchoring and maintenance integrated machine
01/04/2012CN101581223B Method for detecting slip casting effect of tunnel
01/04/2012CN101251021B Tensioning assembly for a cable bolt
12/2011
12/28/2011CN202090937U 一种湿式喷浆机 A wet shotcrete machine
12/28/2011CN202090936U 快速装树脂药卷装置 Fast loading resin drug volume device
12/28/2011CN202090829U 快回缩液压锚杆、锚索钻机 Quick retraction of hydraulic bolt and anchor rig
12/28/2011CN202090351U Handheld dual-purpose slurry injector
12/28/2011CN102296976A 大倾角煤层异形回采巷道非对称锚网索组合支护方法 Steep Coal Mining Roadway asymmetrically shaped steel mesh and anchor support method in combination
12/28/2011CN102296975A 锚杆预紧装置 Bolt tensioners
12/28/2011CN102296974A 采场破碎顶板快速维护方法 Fast stope broken roof maintenance methods
12/28/2011CN102296605A 锚索预应力荷载补偿或卸荷的装置及方法 Apparatus and method for prestressed anchor load compensation or unloading
12/28/2011CN102296603A 一种锚杆(锚索)用止浆塞及止浆系统 One kind of anchor (anchor) and ended with a stop plug pulp slurry system
12/28/2011CN101852083B 大变形易冒落破碎松散巷道的快速支护方法及装置 Method and apparatus for rapid support large deformation broken loose and easy to take off the roadway
12/21/2011CN202081827U 锚杆钻头保径专用聚晶金刚石复合片 Anchor drill gage special polycrystalline diamond compact
12/15/2011WO2011156450A2 Resin-anchored bolt with indentations
12/15/2011WO2011153810A1 Constant resistance and large deformation anchor rod
12/15/2011US20110303428 Bolt-firing device that can be operated electrically and method for operating the bolt-firing device
12/14/2011EP2395198A1 Cable bolt
12/14/2011CN202073580U 树脂锚杆快速安装结构 Quick resin bolt mounting structure
12/14/2011CN202073096U 挤密自锁快速安装锚杆 Compaction self-locking bolt quick installation
12/14/2011CN102278140A 一种固体充填采煤垒砌矸石墙沿空留巷法 A solid wall filled with coal gangue and assembled Gob - France
12/14/2011CN102278130A 隧道高压富水溶腔加筋注浆工艺方法 Rich hyperbaric chamber reinforced tunnel grouting process for aqueous
12/14/2011CN102278128A 一种高水平应力不良岩层巷道支护工艺 One kind of high levels of stress bad rock roadway process
12/14/2011CN102278110A 一种可移动升降平台两臂顶帮锚杆锚索施工钻车 Removable, arms lifting platform to help anchor the top anchor drill rig construction
12/14/2011CN101302933B 一种岩巷综合机械化开拓作业的开拓方法 A pioneering rock roadway mechanized method to develop jobs
12/08/2011WO2011153219A1 Expandable bolt with shielded tip
12/08/2011US20110299939 Expandable Bolt With Shielded Tip
12/08/2011US20110297057 High-strength anchor system, safe room bulkhead, and method of anchoring a support to mine strata
12/08/2011CA2801257A1 Expandable bolt with shielded tip
12/07/2011CN202064978U 一种非金属注浆锚索 A nonmetallic anchor grouting
12/07/2011CN102268993A 一种高液限土中隧道开挖方法 A highly liquid limit soil tunneling method
12/07/2011CN101761348B 多向锚桩一次成型的钻具 Forming a multi-directional anchor drill
11/2011
11/30/2011CN202055821U 一种可移动升降平台两臂顶帮锚杆锚索施工钻车 Removable, arms lifting platform to help anchor the top anchor drill rig construction
11/30/2011CN102261256A 地下工程模型试验中系统锚杆施作的定位装置与定位方法 Underground engineering model test facilities for anchor positioning system device and positioning method
11/30/2011CN102261069A 可回收的锚杆施工方法及其所用的空腔杆体、高压加热器 Bolt construction methods and materials used recyclable cavity rod, high-pressure heater
11/30/2011CN101899987B 一种煤矿巷道深层支护施工方法 One kind of deep mine roadway support construction method
11/30/2011CN101793157B 一种充填体支护的方法 One kind of filling body support method
11/24/2011US20110286795 System and method for increasing roadway width incorporating a reverse oriented retaining wall and soil nail supports
11/23/2011CN202047850U Anchor-grouting integrated support plate module
11/16/2011EP2238313B1 Anchor tube and method for production thereof
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