| Patents for E21D 20 - Setting anchoring-bolts (3,685) |
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| 12/10/2014 | CN102661144B 深部沿空顺槽实体煤侧巷帮锚索锚固深度确定方法 Empty trough along the side alley deep coal entity to help determine the method of anchorage depth |
| 12/02/2014 | US8899883 Anchor tendon with selectively deformable portions |
| 12/02/2014 | US8899356 Drill bits, cutting elements for drill bits, and drilling apparatuses including the same |
| 11/25/2014 | US8894328 Mine roof bolt assembly |
| 11/13/2014 | US20140334885 Anchor, especially a rock anchor |
| 11/11/2014 | US8881847 Dust collecting device for a roof tool |
| 11/04/2014 | US8876436 Rock bolt |
| 10/30/2014 | US20140321924 Detachable bolt |
| 10/23/2014 | US20140314503 Grouting method for anchoring with polymer |
| 10/07/2014 | US8851802 Rock bolt |
| 09/30/2014 | US8845236 Ground anchor |
| 09/25/2014 | WO2014146392A1 Paste fixed-length anchoring supporting method |
| 09/18/2014 | WO2014138909A1 Anchor and method of using the same |
| 09/18/2014 | US20140270983 Anchor and anchoring system |
| 09/16/2014 | CA2644054C Apparatus and method for securing resin set bolts when performing rock bolting |
| 09/15/2014 | CA2845846A1 Self-undercut expansion anchor insertion system |
| 09/11/2014 | DE102013004035A1 Hydro - Modulanker Hydro - Module anchor |
| 09/09/2014 | CA2584378C Method for embedding rock anchors |
| 09/04/2014 | WO2014133449A1 Device for detecting the presence of one or more cavities in a borehole |
| 08/28/2014 | US20140238715 Roof bolting cable bolt feeding device |
| 08/26/2014 | US8814476 Method, system, use of the system and reinforcement member for rock reinforcement |
| 08/26/2014 | CA2602890C System and method for producing resin cartridges |
| 08/21/2014 | DE102013002734A1 Ankerkopf für einen Zuganker Anchor head for a tie rod |
| 08/19/2014 | US8807877 Tensionable spiral bolt with resin nut and related methods |
| 08/13/2014 | CN203769817U 一种矿井支护材料防腐装置 Supporting material corrosion in mine equipment |
| 08/13/2014 | CN203769815U 煤矿采掘工作面单轨吊钻锚护一体机 Coal mining face monorail on bolt drilling machine |
| 08/13/2014 | CN103982210A 一种承台型锚杆锚固技术 One kind of type bolt anchoring technology Caps |
| 08/13/2014 | CN103982197A 一种深部巷道非连续双壳加固方法 A deep double roadway non-continuous shell reinforcement methods |
| 08/13/2014 | CN103982183A 一种进路分步护顶回采破碎矿体方法 A New Approach retaining the top step crushing ore mining method |
| 08/12/2014 | US8801337 Method of using a dome headed roof bolt |
| 08/06/2014 | CN203756202U 一种竖向锚索快速送索装置 One kind of vertical anchor rope fast delivery device |
| 08/06/2014 | CN103967522A 预留巷道围岩控制综合治理方法 Roadway reserved for the comprehensive management control method |
| 08/06/2014 | CN103967509A 能承担横向剪切力的锚管索支护结构 Transverse shear forces can undertake cable anchor tube support structure |
| 08/06/2014 | CN103967418A 扩孔钻头及锚杆的锚固方法 Reaming drill and bolt anchoring method |
| 07/30/2014 | CN203742639U 支护超前的径向注浆锚杆 Supporting ahead of the radial grouting anchor |
| 07/30/2014 | CN203742636U 一种掘支锚一体机组 One kind of dig branched anchor one unit |
| 07/30/2014 | CN203742612U 煤矿深井软弱破碎围岩巷道快速施工支护系统 Deep mine roadway surrounding rock crushing weak support system for rapid construction |
| 07/30/2014 | CN203742609U 一种多功能隧道掘进机 A multifunctional tunnel boring machine |
| 07/30/2014 | CN203742440U 一种锚杆锚索钻车 One kind of anchor bolt Drill |
| 07/30/2014 | CN203742439U 一种双升降平台四臂锚杆锚索钻车 A dual-arm bolt and cable lifting platform four drills |
| 07/30/2014 | CN103953374A 一种立井施工预装井壁悬挂临时风水管路专用锚杆的安装方法 One kind of pre-sidewall construction Shaft temporary suspension bolt feng shui dedicated pipeline installation method |
| 07/30/2014 | CN102216565B 一种注射式密封的阀门和通道系统 An injection valve seal and channel system |
| 07/29/2014 | US8790044 Tensionable tubular resin anchored tubular bolt and method |
| 07/23/2014 | CN203730436U 锚杆钻机及其先导油源阀组 Roofbolter its pilot oil supply valve |
| 07/23/2014 | CN203730026U 一种气动打镖尖装置 One kind of pneumatic dart tip device |
| 07/23/2014 | CN203729992U 一种用于掘进机的载有锚护装置的截割部 Cutting unit contains anchor retaining device for a roadheader |
| 07/23/2014 | CN103939110A 既有隧道拱部衬砌轻微开裂加固体系 Existing tunnel arch lining slight cracking reinforcement system |
| 07/23/2014 | CN103938626A 一种后压浆压力型锚杆及其施工方法 A post-grouting pressure-type anchor and construction method |
| 07/23/2014 | CN102536277B 一种悬臂式掘进机随车配套支锚系统 One kind of roadheader vehicle matching anchor system support |
| 07/22/2014 | CA2784074C Method of presenting positioning information, user interface, and rock drilling rig |
| 07/16/2014 | CN203717001U 柔性预应力锚注锚索 Flexible prestressed anchor bolt and grouting |
| 07/16/2014 | CN203716999U 一种自进式注浆锚杆 A self into the grouting anchor |
| 07/16/2014 | CN203716998U 一种锚索用封孔器 One kind of anchor with a sealing device |
| 07/16/2014 | CN203716997U 中空注浆锚杆锚索用止浆塞 Hollow grouting anchor bolt paste tampon |
| 07/16/2014 | CN203716155U 一种风动锚杆灌浆机 A wind moving bolt grouting machine |
| 07/16/2014 | CN103924996A 一种带锚杆钻机的液压自移式端头保护支架 A hydraulic bolt rig with self-protection bracket for portable terminals |
| 07/16/2014 | CN103924994A 自移式锚杆钻机平台 Since portable bolt rig platform |
| 07/16/2014 | CN102635353B 双悬臂硬岩煤巷掘锚装备 Double cantilever hard rock coal roadway excavation equipment anchor |
| 07/09/2014 | CN203702205U 抗剪力注浆锚杆 Shear force grouting anchor |
| 07/09/2014 | CN203702199U 便携式锚索张拉机具 Portable cable tensioning equipment |
| 07/09/2014 | CN203696886U 锚网勾连器 Anchor collusion is |
| 07/09/2014 | CN103912278A 一种防止露天复采残煤时重型剥离设备倾倒和陷落的方法 An open-air complex when stripped of heavy residual coal mining equipment and the fall of methods to prevent the dumping |
| 07/09/2014 | CN103911993A 一种pha锚杆及其施工方法 One kind of anchor and construction method pha |
| 07/02/2014 | CN203685237U 牛角泵锚杆注浆机 Horns pump bolt grouting |
| 07/02/2014 | CN203685236U 用于锚杆钻孔的定深装置 Bolt set for deep drilling device |
| 07/02/2014 | CN203685202U 一种水泥托板 A cement pallet |
| 07/02/2014 | CN103899342A 沿空掘巷煤柱锚索对穿加固方法 Along goaf coal pillar anchor reinforcement method for wear |
| 07/02/2014 | CN103899341A 承压型端锚高预紧力锚杆支护方法 Confined high end anchor bolting preload method |
| 07/02/2014 | CN103899333A 一种急倾斜煤层巷道的支护方法 A steeply inclined coal seam roadway support methods |
| 07/02/2014 | CN103899249A 一种煤矿巷道底板锚固钻车 One kind of mine roadway floor anchor Drill |
| 07/02/2014 | CN102493819B 一种控制煤层巷道围岩稳定性的方法 A method of coal roadway surrounding rock stability control |
| 06/26/2014 | WO2014094134A1 Mine support assembly |
| 06/26/2014 | DE102012113053A1 Verbindungsmittel mit Formgedächtnis Connecting means with shape memory |
| 06/25/2014 | CN203669900U 一种注浆锚索装置 One kind of grouting anchor device |
| 06/25/2014 | CN203669898U 滑移式超前支护结构 Skid advance support structure |
| 06/25/2014 | CN203669865U 恒支护掘锚机 Constant support dig windlass |
| 06/25/2014 | CN103883340A 矿用锚固钢带和巷道顶板锚杆支护方法 Anchoring strip mining and tunnel roof bolting method |
| 06/25/2014 | CN103883339A 一种重复施加预应力的锚索支护方法 A repeated application of prestressed anchor support method |
| 06/25/2014 | CN102410017B 支护式综合掘锚机 Supporting style integrated dig windlass |
| 06/24/2014 | US8757934 Fully grouted cable bolt |
| 06/19/2014 | WO2014091074A1 Rock anchor bolt |
| 06/19/2014 | WO2014089638A1 Adapter for a cable bolt tensioner |
| 06/18/2014 | CN203655324U 方钢约束混凝土拱架壁后充填锚注支护体系 Constraints square steel arch concrete backfilling bolting and grouting system |
| 06/18/2014 | CN203655323U 一种注浆锚索封孔胶塞 One kind of anchor grouting sealing stopper |
| 06/18/2014 | CN203655322U 锚索卸锚器 Unloading anchor anchor device |
| 06/18/2014 | CN103874829A Resin injection apparatus for drilling apparatus for installing a ground anchor |
| 06/18/2014 | CN103867221A Advanced supporting and protecting radial grouting anchoring rod and construction method of advanced supporting and protecting radial grouting anchoring rod |
| 06/18/2014 | CN103867219A Device and method for extruding and expanding fine aggregate concrete anchoring supporting soil through vortex pressure |
| 06/17/2014 | US8753041 Injection, sealing valving and passageway system |
| 06/12/2014 | WO2014088382A1 Anchoring silicate fixing agent with adjustable technological parameters |
| 06/12/2014 | WO2014086297A1 Resin cartridge filling method for roadway roof bolt drill hole |
| 06/11/2014 | CN203640750U 遥控式滑车锚钻装置 Remote-controlled drilling anchor pulley device |
| 06/11/2014 | CN103850696A Multi-section anchoring type mortar anchor rod and anchoring method thereof |
| 06/11/2014 | CN103850694A Grouting anchor cable and grouting method capable of realizing one-side grouting and two-side tightening |
| 06/11/2014 | CN103850693A Method for controlling high ground stress roadway heaving floor |
| 06/11/2014 | CN102926754B Two-tunneling bidirectional stripping two-step pre-support mining method |
| 06/11/2014 | CN102758644B Tension self-locking internal grouting anchor cable |
| 06/11/2014 | CN102383795B Comprehensive mechanical rock drift excavating process |
| 06/05/2014 | US20140154016 Detachable feed rail for rock drill |
| 06/04/2014 | CN203626869U 一种多钢绞线组合支护装置 A multi-strand composite retaining device |