| Patents for E21D 20 - Setting anchoring-bolts (3,685) |
|---|
| 10/26/2010 | CA2405799C Rock bolt and method of manufacture and installation |
| 10/21/2010 | WO2010118462A1 A friction stabiliser |
| 10/21/2010 | WO2010090500A3 Expandable rock bolt tube |
| 10/21/2010 | US20100266346 Roof bolting cable feeding device |
| 10/21/2010 | US20100266345 Engagement head for tensioning assembly |
| 10/21/2010 | CA2796385A1 A friction stabiliser |
| 10/20/2010 | CN201610759U 一种矿用锚杆托盘 One kind of mining bolt tray |
| 10/19/2010 | CA2353728C Wedge anchor for concrete |
| 10/14/2010 | WO2010116188A1 Method of reinforcing a structure and apparatus therefor |
| 10/14/2010 | DE102009016170A1 Method for producing drilling hole and inserting telescopic anchor in building, involves moving drilling rod in direction of gripper for ensuring additional drilling and/or insertion operation |
| 10/14/2010 | CA2764006A1 Method of reinforcing a structure and apparatus therefor |
| 10/13/2010 | EP2238313A1 Anchor tube and method for production thereof |
| 10/13/2010 | CN201606092U 锚杆搅拌限位器 Bolt stirring stopper |
| 10/13/2010 | CN201606091U 一种控制掘进机锚杆动力的液压装置 A control boring machine bolt-powered hydraulic unit |
| 10/13/2010 | CN201605998U 一种小孔径巷道底板钻孔快速钻进装置 A small, fast aperture roadway floor drilling drilling apparatus |
| 10/13/2010 | CN101858219A Method for determining reasonable empty-support distance of tunneling head |
| 10/13/2010 | CN101487257B Porthole connection section of combined anchor bar and its manufacturing process |
| 10/13/2010 | CN101392651B Multifunction downhole bottom ripping machine |
| 10/13/2010 | CN101048573B An elongate element tensioning member |
| 10/12/2010 | US7811031 Device and method for installing a rock bolt and a rock bolt installation rig |
| 10/07/2010 | WO2010115218A1 A grout delivery system for a rock bolt |
| 10/07/2010 | DE102008030051B4 Ankerstange zur Verankerung in einem Bohrloch Anchor rod for anchoring in a wellbore |
| 10/07/2010 | CA2757519A1 A grout delivery system for a rock bolt |
| 10/06/2010 | CN201601570U 一种轻便的气动锚杆钻机马达 A lightweight pneumatic bolt rig motor |
| 10/06/2010 | CN201598978U 一种锚杆钻车的干湿式钻箱 One kind of wet and dry anchor drill rig drill box |
| 10/06/2010 | CN101852083A Quick supporting method for large-deformation roadway easy to fall, break and loosen and apparatus thereof |
| 10/06/2010 | CN101160451B Device and method for installing a rock bolt and a rock bolt installation rig |
| 09/30/2010 | WO2009023108A3 Improved earth anchor |
| 09/29/2010 | EP2232014A1 Self drilling rock bolting |
| 09/29/2010 | EP2231999A1 Method and devices for handling rod-like pieces in drilling and bolting |
| 09/29/2010 | CN101845952A Movable three-arm top-assisting anchor rod and anchor cable construction drill carriage |
| 09/28/2010 | US7802943 Low profile mine roof support |
| 09/24/2010 | CA2697581A1 Method for anchoring a fastening element in a mineral component, and fastening element for mineral components |
| 09/23/2010 | CA2697579A1 Connecting device and method for creating a connection |
| 09/22/2010 | CN201588641U Self-fixing internal self-closing pressure control grouting device |
| 09/22/2010 | CN201588640U Reaction support anti-moving device of rockbolt drilling machine |
| 09/21/2010 | CA2565254C Apparatus for inspecting anchor boreholes |
| 09/16/2010 | US20100231026 Heading machine |
| 09/16/2010 | US20100230909 Adapter for self-drilling, chemically anchorable fastening element |
| 09/16/2010 | DE102009001464A1 Adapter eines selbstbohrenden, chemisch verankerbaren Befestigungselementes Adapter of a self-drilling, chemically anchored fastening element |
| 09/15/2010 | CN201581910U Full-hydraulic rotary impact roof bolter |
| 09/15/2010 | CN201581824U Double drive spiral anchor rod drilling rig |
| 09/15/2010 | CN201581813U Soft soil foundation multifunctional spiral anchor rod bit |
| 09/15/2010 | CN201581805U Drilling tool for sleeving anchor rope |
| 09/15/2010 | CN101832103A Movable two-arm hanging wall anchor rod and anchor cable construction drill carriage |
| 09/15/2010 | CN101832102A Movable two-platform partitioned four-arm hanging wall anchor rod and anchor cable construction drill carriage |
| 09/14/2010 | US7794179 Rockbolt of high strength steel pipe and method of manufacturing the same |
| 09/11/2010 | CA2696292A1 Adapter for a self-drilling, chemically anchorable fastening element |
| 09/08/2010 | EP1805395B1 Method for embedding rock anchors |
| 09/08/2010 | CN201574587U Hydraulic anchor cable drawing up apparatus |
| 09/08/2010 | CN201574394U Full length screw anchor pressure grouting device |
| 09/08/2010 | CN101824996A Expansion shell type anchoring head and anchor rod with the same |
| 09/08/2010 | CN101824986A Coal mining process of drilling, loading, conveying and anchoring integral machine |
| 09/08/2010 | CN101824962A Jet mixing drilling tool and method with the same for soil mass supporting construction |
| 09/08/2010 | CN101025086B Explosion coal-falling, coal-loading, coal-conveying and anchor-rod supporting mechanism integration operation method and apparatus |
| 09/07/2010 | CA2339447C Fastening element |
| 09/01/2010 | CN201568066U Rock bolter auxiliary guide device used for tunnel construction |
| 09/01/2010 | CN201567956U Anchor drill with sliding support |
| 09/01/2010 | CN101818648A Roadside extrusion forming template filled by gangue |
| 09/01/2010 | CN101818647A Advance support fast construction method in shallow tunnelling loose pebble bed |
| 08/31/2010 | US7785041 Setting method for anchoring a fastening element |
| 08/25/2010 | CN201560779U Integrated wood anchor rod |
| 08/25/2010 | CN201560778U Roadway corner anchor rod drilling installation indicator |
| 08/25/2010 | CN201560777U Anchor rod recovery machine |
| 08/25/2010 | CN201560776U Pre-stressed anchor lock bolt |
| 08/25/2010 | CN201560716U Mine bolting support wet drilling device |
| 08/25/2010 | CN101812974A Lifting platform of construction vehicle |
| 08/24/2010 | US7780377 Friction stabilizers and roof bolt head markings |
| 08/19/2010 | DE102009008627A1 Sicherungsverfahren für söhlige und geneigte Baue Assurance procedures for söhlige and inclined Build |
| 08/18/2010 | CN201554473U Supporting device for coal mine tunnel cross breaking layer |
| 08/18/2010 | CN101806223A Method for reinforcing return channel |
| 08/17/2010 | US7775745 Anchoring systems and methods of use thereof |
| 08/12/2010 | WO2010090500A2 Expandable rock bolt tube |
| 08/12/2010 | DE102004059943B4 Vortriebs- oder Gewinnungsmaschine mit Ankerbohr- und -setzeinrichtungen Heading or extraction machine with anchor drilling and setting devices |
| 08/11/2010 | CN201546618U Pneumatic anchor bolt rock drill |
| 08/11/2010 | CN101798930A Rapid construction method of high-pressure water-rich fault zone of tunnel |
| 08/04/2010 | CN101793157A Method for supporting filling body |
| 07/28/2010 | CN201535174U Multi-purpose combined type anchor rod |
| 07/28/2010 | CN101787893A Novel resin bolt installer |
| 07/22/2010 | WO2010082940A1 Retaining wall soil reinforcing connector and method |
| 07/22/2010 | CA2748675A1 Retaining wall soil reinforcing connector and method |
| 07/21/2010 | CN101784753A Hollow rock bolt, self -drilling rock bolt and method of forming a hollow rock bolt |
| 07/21/2010 | CN101784752A Rock bolt with mechanical anchor |
| 07/21/2010 | CN101784751A Armature boring and setting device |
| 07/21/2010 | CN101781972A Crawler-type lifting top and slope bolt and anchor construction drill |
| 07/20/2010 | US7758284 Tensionable spiral bolt with resin nut and related method |
| 07/14/2010 | CN201526330U Grout stopping plug |
| 07/13/2010 | CA2544494C Plug member |
| 07/08/2010 | WO2010078200A1 Nut plate integral epoxy filled sleeve |
| 07/08/2010 | DE102006006748B4 Zweischritt-Inliner-Hohlstabvollverbundanker Two step-liner Hollow Bar-composite anchor |
| 07/08/2010 | CA2748820A1 Nut plate integral epoxy filled sleeve |
| 07/07/2010 | CN101769708A Multisection continuous observing method for feeding back tunnel surrounding rock deforming rule |
| 07/07/2010 | CN101769158A Excavating, supporting and bolting integrated self-contained machine |
| 07/07/2010 | CN101769154A Excavation supporting method for tunnel construction |
| 07/07/2010 | CN101768966A Pressure grouting device for overall length spiral anchor rod and construction process |
| 07/07/2010 | CN101260669B Drilling, spraying, injection integral enlarging anchor rod construction method |
| 07/06/2010 | US7748937 Composite matrix fastener apparatus, system and method |
| 07/06/2010 | CA2589788C Method for casing drilling, drilling unit and adapter device |
| 07/01/2010 | WO2010072792A1 Anchor sleeve for rock bore holes |
| 07/01/2010 | WO2010072000A1 Sleeved cable bolt |