| Patents for E21D 20 - Setting anchoring-bolts (3,685) |
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| 11/16/2011 | DE202011104305U1 Vorrichtung für eine Stützsäule für ein nicht tragfähiges Erdreich Device for a support pillar for a non-viable soil |
| 11/16/2011 | CN202039877U Novel anchor rod stirrer |
| 11/16/2011 | CN202039361U Light flat plate steel anchor pier |
| 11/16/2011 | CN202039360U Grout-stopping plug for anchorage cables |
| 11/16/2011 | CN101408089B Construction method of buried depth monitoring instrument poreforming and anchorage cable poreforming under unfavorable geological condition |
| 11/10/2011 | US20110274504 Fixation bail |
| 11/09/2011 | EP2384391A1 Yielding bolt and assembly |
| 11/09/2011 | EP2384390A1 Nut plate integral epoxy filled sleeve |
| 11/09/2011 | CN101892852B Self-anchored emergency anchor rod and installation method thereof |
| 11/02/2011 | CN202023571U Supporting-arm propulsion cylinder for machine-mounted anchor rod machine |
| 11/02/2011 | CN101048574B Method for embedding rock anchors |
| 10/27/2011 | WO2011133096A1 Device for sealing a rock wall |
| 10/26/2011 | EP2379843A1 Sleeved cable bolt |
| 10/26/2011 | EP2379842A1 Rock anchor |
| 10/26/2011 | CN102226405A Method for reinforcing working surface of loose and soft coal bed by utilizing nonmetal grouting anchor cable |
| 10/26/2011 | CN102226399A Soft rock four-line large-span tunnel three-bench cable-bracing excavation construction method |
| 10/26/2011 | CN102226398A Soft rock four-line large-span tunnel compound double-side wall bracing cable conversion excavation construction method |
| 10/26/2011 | CN102226397A Method for reinforcing drop shaft in underground mine producing area |
| 10/26/2011 | CN101818647B Advance support fast construction method in shallow tunnelling loose pebble bed |
| 10/19/2011 | CN102220866A Pressure relief and consolidation synergizing prevention and control method for rock burst in deep coal drift |
| 10/19/2011 | CN102220844A Plug-in type diamond composite sheet anchor rod drill bit and connecting sleeve thereof |
| 10/19/2011 | CN101725363B Rear reaming anchor rod mounting device capable of measuring wedge lock travel |
| 10/13/2011 | WO2011057603A3 Compact roadheader |
| 10/13/2011 | DE102010014612A1 Hollow rod shear connector e.g. two-phase anchor, for use in e.g. inclined roadway construction, has armature tube coated with addition mixed filling material, where clamping path is affiliated with anchor member through clamping sleeve |
| 10/12/2011 | EP2373593A1 Silicate isocyanate |
| 10/12/2011 | CN102216565A An injection, sealing valving and passageway system |
| 10/11/2011 | US8033760 Tension assembly |
| 10/06/2011 | WO2010133883A3 Rock bolt with separate mixing-and discharge head |
| 10/06/2011 | DE102010010182A1 Capsule anchor for underground mining and tunneling of mountains, has integrated adhesive column and ejection piston, which is moved in anchor tube having external threading |
| 10/05/2011 | CN202001038U Resin anchor-rod stirrer |
| 10/05/2011 | CN202000902U Novel polycrystalline diamond compact anchor bit |
| 10/05/2011 | CN202000888U Motor type anchor rod drilling machine |
| 10/04/2011 | US8029211 Adaptor for setting a self-drilling, chemically anchored, fastening element |
| 10/04/2011 | CA2601570C Dry grout composition and capsule for anchoring reinforcing member, dowel or anchor elements |
| 09/29/2011 | WO2011118925A1 Anchor structure for preventing a steel wire from being twisted |
| 09/29/2011 | WO2011116918A2 Method for the retroactive strengthening of a fastening means, and injection washer suitable for this purpose |
| 09/29/2011 | DE102010013198A1 Chemical two-component mortar composition, useful e.g. in patron, comprises a resin component containing e.g. a radically curable, ethylenically unsaturated compound, as a curable component, and curing components containing a curing agent |
| 09/29/2011 | DE102010013196A1 Chemische Zweikomponenten-Mörtelmasse mit verbesserter Haftung an der Oberfläche von halbgereinigten und/oder feuchten Bohrlöchern in mineralischem Untergrund und ihre Verwendung Dry two-component mortar composition having improved adhesion to the surface of semi-purified and / or moist holes in mineral substrates and their use |
| 09/28/2011 | CN201991006U 一种吊顶锚索的穿束装置 Wear a ceiling beam apparatus anchor |
| 09/28/2011 | CN102203381A Heading or extraction machine |
| 09/28/2011 | CN102200015A Loose coal roadway supporting method |
| 09/28/2011 | CN101363306B Pneumatic anchor rod hammer drill |
| 09/22/2011 | WO2011113131A1 A yielding spiral bolt appendage for a rock bolt |
| 09/22/2011 | CA2767209A1 A yielding spiral bolt appendage for a rock bolt |
| 09/21/2011 | EP2366869A2 Self-drilling anchor |
| 09/21/2011 | CN201982122U 一种煤矿巷道底板锚杆机快速移进固定装置 One kind of coal mine roadway floor bolting machine quickly moved into fixtures |
| 09/21/2011 | CN201982115U 用于煤矿巷道支护装置 Apparatus for coal roadway |
| 09/21/2011 | CN102197192A Injecting device, drill rig and method of rock bolting |
| 09/21/2011 | CN101761350B Rapid drilling device of small-bore tunnel bottom plate drill |
| 09/15/2011 | US20110222969 Self-venting chemical anchoring assembly with splash guard |
| 09/14/2011 | CN102182480A Mortar anchor constructing method |
| 09/14/2011 | CN102182459A Method for recovering remaining triangle coal on two-winged stope by flexible shield support mining method |
| 09/08/2011 | US20110217126 Sheathed cable |
| 09/07/2011 | CN201963324U 锚杆机检修平台的保护支撑杆装置 Protection strut means bolting machine maintenance platform |
| 09/02/2011 | DE202010011675U1 Kraftschluss Dübel zu Bohrloch im Einbauzustand und bei Einbau von Dübeln, Schrauben, Durch- und Vorsteckankern, sowie sonstigen Befestigungsmitteln, incl. evtl. vorgesetzter Konsolen mit Injektageharz Adhesion to anchor hole when installed and installation of anchors, screws, transit and Vorsteckankern, and other fasteners, incl. Any boss consoles with Injektageharz |
| 09/02/2011 | DE202010011673U1 Kraftschlüssiger "Syntheseanker" zwischen mechanischem Anker und Injektageharzverfüllung im Einbauzustand und bei Einbau Force-locking "anchor synthesis" between mechanical anchors and Injektageharzverfüllung when installed and installation |
| 09/02/2011 | DE202010011672U1 Kraftschlüssige Ertüchtigung einer Stahlplatte/Konsole und der Dübel/Anker über Harzinjektage zu Flächentragwerk/Aussentragwerk Frictional exercise a steel plate / bracket and the anchor / anchor on Harzinjektage to tensile structure / exterior structure |
| 09/02/2011 | DE202010011671U1 Injektage-Unterlegscheibe für Schrauben, Dübel, Anker Injec- tion-washer for screws, anchors, |
| 09/01/2011 | WO2011104441A1 Rock drilling rig, method for rock drilling, and control system of rock drilling rig |
| 09/01/2011 | WO2011104440A1 Method of presenting positioning information, user interface, and rock drilling rig |
| 09/01/2011 | CA2789957A1 Rock drilling rig, method for rock drilling, and control system of rock drilling rig |
| 09/01/2011 | CA2784074A1 Method of presenting positioning information, user interface, and rock drilling rig |
| 08/31/2011 | CN201953390U 液压迈步式超前支护装备 Hydraulic swing-style advance support equipment |
| 08/31/2011 | CN201953387U 非扭矩预应力锚杆 Non-prestressed bolt torque |
| 08/31/2011 | CN201953386U 锚杆机的操控系统及带该操控系统的锚杆机 Bolting machine control system and bolting machine with the control system |
| 08/31/2011 | CN201953311U 全液压轮胎式凿岩锚固钻车 Hydraulic tire type drilling anchor Drill |
| 08/31/2011 | CN201953306U 频率可调的锚杆钻机用液压冲击器 Frequency adjustable hydraulic impactor Roofbolter |
| 08/31/2011 | CN102168564A Reconstruction and recovery technology for upright mine and vertical mine shafts after catastrophic collapse |
| 08/31/2011 | CN101761349B Anchor cable auxiliary mounting system |
| 08/30/2011 | US8007206 Low profile cable bolt headers |
| 08/24/2011 | CN201943722U 一种新型螺纹树脂锚杆搅拌器 A new thread resin anchor stirrer |
| 08/24/2011 | CN102165140A Re-tensionable cable bolt apparatus and related method |
| 08/18/2011 | US20110200400 Plastic cable bolt button |
| 08/17/2011 | EP2357162A1 Resin mortar suitable for construction purposes, especially for chemical anchoring |
| 08/17/2011 | CN201933497U 固筋止浆塞 Solid bars pulp tampon |
| 08/17/2011 | CN102155234A Excavation construction method for unsymmetrical small-space tunnel |
| 08/17/2011 | CN101076651B Method for casing drilling and drilling unit |
| 08/11/2011 | US20110194902 Sleeved cable bolt |
| 08/11/2011 | US20110193398 Heading or extraction machine |
| 08/10/2011 | EP2179137B1 Armature boring and setting device |
| 08/10/2011 | CN102146673A Anchoring structure for liquid-injection corrosion-resistant anchor rod or anchor cable and construction method thereof |
| 07/28/2011 | US20110182673 Two stage mechanically stabilized earth wall system |
| 07/28/2011 | US20110182672 Injecting device, drill rig and method of rock bolting |
| 07/27/2011 | EP2347097A1 Injecting device, drill rig and method of rock bolting |
| 07/27/2011 | CN201908667U Ceiling lifting and descending alarm device of roof bolter |
| 07/27/2011 | CN102135005A Method for supporting roof of roadway under coal pillar and gob transition section |
| 07/27/2011 | CN102134998A Construction method for wind-blown sand tunnel |
| 07/27/2011 | CN101768966B Pressure grouting device for overall length spiral anchor rod and construction process |
| 07/21/2011 | WO2011087948A1 Self-drilling expandable bolt |
| 07/20/2011 | EP1987230B1 Injection bolt with a fixed static mixer |
| 07/20/2011 | CN201902217U Pressure adjusting device on anchor rod drill machine |
| 07/20/2011 | CN102128039A Drilling rod belt-feeding type prestress anchor rod and use method thereof |
| 07/20/2011 | CN101672191B Mechanized method for installing resin anchor rod |
| 07/20/2011 | CN101575942B Pneumatic anchor rod hammer drill |
| 07/14/2011 | US20110170957 Wave anchor soil reinforcing connector and method |
| 07/13/2011 | EP2342423A2 Heading or extraction machine |
| 07/13/2011 | CN102121389A Method for preventing and treating roof falling and side collapsing of coal roadway surrounding rock by anchor rope truss |
| 07/06/2011 | CN102116162A Tension dispersed anchor cable for coal mine and anchoring method thereof |
| 07/06/2011 | CN102116161A Fast moving and fixing device of anchor rod machine of roadway floor of coal mine |
| 07/06/2011 | CN101769708B Multisection continuous observing method for feeding back tunnel surrounding rock deforming rule |