| Patents for E21D 20 - Setting anchoring-bolts (3,685) |
|---|
| 01/16/2013 | CN202673143U All-directional hydraulic anchor rod drill rig for coal mines |
| 01/16/2013 | CN102877868A Novel expansion-type yielding prestress grouting anchor rope and using method thereof |
| 01/16/2013 | CN102877867A Novel inflatable yielding pre-stress grouting anchor rod and usage method thereof |
| 01/10/2013 | US20130011205 Strand anchor |
| 01/10/2013 | DE102011078769A1 Gesteinsanker Rock bolts |
| 01/09/2013 | EP2543816A2 Rock anchor |
| 01/09/2013 | CN202659263U Grouting slurry-distributing device |
| 01/09/2013 | CN202659262U Crank type anchor rod fastener |
| 01/09/2013 | CN202659261U Heading machine anchor lock pulling booster device |
| 01/08/2013 | CA2542261C Method and device for installing a self-drilling expandable rock bolt and a self-drilling expandable rock bolt |
| 01/03/2013 | WO2012098492A3 Drill rig |
| 01/03/2013 | US20130004246 Adhesive containing tubular rock anchor |
| 01/03/2013 | US20130004245 Yielding Spiral Bolt Appendage for a Rock Bolt |
| 01/02/2013 | EP2539539A1 Method of presenting positioning information, user interface, and rock drilling rig |
| 01/02/2013 | EP2539530A1 Rock drilling rig, method for rock drilling, and control system of rock drilling rig |
| 01/02/2013 | CN202645606U Cantilever type heading machine vehicle-mounted matched supporting and anchoring system |
| 01/02/2013 | CN202645602U Anchor cable tensioning device |
| 01/02/2013 | CN202645601U Roadway support machine |
| 01/02/2013 | CN202645600U Hydraulic drilling machine device for comprehensive mechanized rock-drifting machine set |
| 01/02/2013 | CN202645599U Adjustable combined member for surface protection |
| 01/02/2013 | CN202645578U Full-section rectangular hard-rock heading and anchoring integrated machine |
| 01/02/2013 | CN202645554U Double-round-cutterhead coal roadheader |
| 01/02/2013 | CN102852538A Anchoring method of 'end part binding and full-length filling' in anchoring support in roadway |
| 01/02/2013 | CN102852528A Method for controlling floor heave through inverted arch anchoring beam |
| 12/26/2012 | CN202628133U Anchor rod stirring sleeve tube for anchor rod drilling machine |
| 12/26/2012 | CN202628132U Spiral fin grouting anchor rope assembly with self-adjustable angle |
| 12/26/2012 | CN202628129U Angle-changeable device special for double-ring pre-stress anchor cable for round tunnel |
| 12/26/2012 | CN202628110U Combined steel formwork special for anchor groove of circular tunnel double-ring pre-stressed anchor cable |
| 12/26/2012 | CN102839984A Oversized-section underground supporting structure |
| 12/26/2012 | CN102155234B Excavation construction method for unsymmetrical small-space tunnel |
| 12/20/2012 | WO2012171056A1 Resin injection apparatus for drilling apparatus for installing a ground anchor |
| 12/20/2012 | CA2839164A1 Resin injection apparatus for drilling apparatus for installing a ground anchor |
| 12/19/2012 | CN202611599U Diamond anchor rod drill bit |
| 12/19/2012 | CN202611597U Novel diamond compact anchor drill |
| 12/13/2012 | WO2012167308A1 Improvements in self-drilling rock bolts |
| 12/12/2012 | EP2532832A2 An adhesive containing tubular rock anchor |
| 12/12/2012 | CN202596755U Mining roadway coal road side portion anchor rod taking device |
| 12/12/2012 | CN202596754U Automatic anchor cable tensioning instrument |
| 12/12/2012 | CN202596753U Anchoring agent installation auxiliary device |
| 12/12/2012 | CN102817625A Anchor cable loader transporter |
| 12/12/2012 | CN102817610A Tunneling, anchoring and supporting integrated machine |
| 12/11/2012 | CA2543755C Detachable anchor bolt mixing head for use in mine roof support systems and method of using same |
| 12/08/2012 | CA2777995A1 An adhesive containing tubular rock anchor |
| 12/05/2012 | CN202578740U Drivage staggered type support device |
| 12/05/2012 | CN202578729U Hand-held type mining pneumatic anchor rope tension machine |
| 12/05/2012 | CN202578728U Intelligent anchor rod recovery system |
| 12/05/2012 | CN102808641A Compression resistant air door in underground mine |
| 12/05/2012 | CN102808635A Expanding shell type inner anchor head pre-stressed anchor rod and installation using method thereof |
| 12/05/2012 | CN102808631A Support method for surrounding rock stress second disturbance to lower roadway in process of forming adjacent dead zones |
| 12/05/2012 | CN102808628A Construction method of passage of large-section tunnel by water diversion fault |
| 12/05/2012 | CN102808627A Underground excavation construction method of steel pipe shed |
| 12/05/2012 | CN102031981B Anchoring method of extensible anchor rod |
| 12/04/2012 | US8322950 Cable bolt |
| 11/29/2012 | US20120298004 Mining vehicle and method for its energy supply |
| 11/29/2012 | DE102011076592A1 Gesteinsanker Rock bolts |
| 11/28/2012 | CN202560271U O-X shaped steel belt for anchoring |
| 11/28/2012 | CN202560270U 锚固剂注入装置 Anchorage injection device |
| 11/28/2012 | CN202560269U Special release device for double-ring prestressed anchor rope for tunnels |
| 11/28/2012 | CN202560214U Anchor-rod development machine |
| 11/28/2012 | CN202560106U Anchor rod drill bit |
| 11/28/2012 | CN1840924B Torque nut having an injection molded breakaway insert |
| 11/28/2012 | CN102803654A Nchoring bolt having an extruding piston |
| 11/28/2012 | CN102797486A Fabricated grilling anti-invert method for treating pucking |
| 11/28/2012 | CN101967984B Deep well tunnel cable anchor rigid-flexible coupling support and surrounding rock overall reinforced support method |
| 11/27/2012 | US8317430 Crawler-type and height adjustment drilling machine for setting roof and side wall anchor bolts and anchor cables |
| 11/27/2012 | CA2677759C An elongate element tensioning member |
| 11/27/2012 | CA2525458C Controlled expansion of rock bolt |
| 11/21/2012 | CN202544883U Self-boring full thread hollow grouting anchor rod |
| 11/21/2012 | CN202544881U Grouting pipe for grouting anchor cable |
| 11/21/2012 | CN202544878U Spiral rib grouting anchor cable |
| 11/21/2012 | CN202544877U Anchorage device capable of adjusting angle automatically |
| 11/21/2012 | CN202544876U Self-adjusting angle anchor ring |
| 11/21/2012 | CN102791958A Method of presenting positioning information, user interface, and rock drilling rig |
| 11/21/2012 | CN101781972B Crawler-type lifting top and slope bolt and anchor construction drill |
| 11/20/2012 | CA2677760C An elongate element tensioning member |
| 11/15/2012 | DE102011056267A1 Annular collecting element for overhead mounting with hardening material in hole in anchor base fastened to arrangement of anchor rod, is formed self-retaining on surface of anchor base, and holds anchor rod against its dead weight |
| 11/14/2012 | CN102782241A Rock drilling rig, method for rock drilling, and control system of rock drilling rig |
| 11/14/2012 | CN102777196A Complementary supporting method of zoom backstopping roadway |
| 11/14/2012 | CN102777195A Single steel strand anchor cable unit and orifice yielding device thereof |
| 11/13/2012 | CA2740183A1 Device and method for anchoring a cable bolt |
| 11/12/2012 | CA2763688A1 Seismic tool assembly with flange portion for use in anchor insertion |
| 11/12/2012 | CA2763664A1 Seismic tool assembly with pivot ring for use in anchor insertion |
| 11/08/2012 | US20120282039 Mine roof support apparatus and system |
| 11/07/2012 | CN202520340U Anchor rod recycling machine for abandoned coal mine |
| 11/07/2012 | CN202520309U Parallel rapid bolt supporting operation system for heading machine |
| 11/07/2012 | CN202520308U Mechanical single arm type hydraulic anchor rod drilling machine |
| 11/07/2012 | CN202520237U Universally-adjustable roofbolter and universally-adjustable jumbolter |
| 11/07/2012 | CN102767385A Tension self-locking device for grouting anchor cable |
| 11/07/2012 | CN102168564B Reconstruction and recovery technology for upright mine and vertical mine shafts after catastrophic collapse |
| 11/07/2012 | CN102134998B Construction method for wind-blown sand tunnel |
| 11/07/2012 | CN101784752B Rock bolt with mechanical anchor |
| 11/01/2012 | WO2012146062A1 Construction method for indirectly heating recoverable anchors and cavity anchor and high-pressure heater used in the same |
| 11/01/2012 | US20120275867 Apparatus and method for anchor bolt grouting |
| 10/31/2012 | EP2517962A1 Apparatus and method for anchor bolt grouting |
| 10/31/2012 | CN202510147U Agitating cap for tightening resin anchor cable steel strand ends |
| 10/31/2012 | CN202510146U Anchoring agent connector |
| 10/31/2012 | CN202510145U Support specially used for multi-angle anchor cable construction |
| 10/31/2012 | CN202509494U Prestress anchor rope tension device |
| 10/31/2012 | CN102758644A Tension self-locking internal grouting anchor cable |
| 10/31/2012 | CN102121389B Method for preventing and treating roof falling and side collapsing of coal roadway surrounding rock by anchor rope truss |