E21D 21 - Anchoring-bolts for roof, floor, or shaft-lining protection

Patents for E21D 21 - Anchoring-bolts for roof, floor, or shaft-lining protection (4,377)
12/2006
12/14/2006	WO2006130889A1 Method and device for drilling, particularly percussion drilling or rotary percussion drilling a hole in soil or rock material
12/14/2006	DE10336043B4 Verbundanker Xings
12/13/2006	CN2846755Y Tunnel top plate lithologic detector for mine
12/13/2006	CN1878930A Method and device for installing a self-drilling expandable rock bolt and a self-drilling rock bolt
12/06/2006	EP1727967A1 Method and device for producing pre-tensioned anchorings
11/2006
11/30/2006	WO2006125242A1 Method and device for drilling, particularly percussion or rotary percussion drilling, a hole in soil or rock material
11/30/2006	US20060266556 Drilling apparatus, method, and system
11/30/2006	DE202006015148U1 Hydraulic clamping device for mountaineering anchor has through hole connected to radial access extending out from hole so hydraulic clamping device can be fitted onto anchor in radial direction
11/30/2006	DE10334374B4 Auspressvorrichtung Squeezing
11/30/2006	CA2607920A1 Method and device for drilling, particularly percussion or rotary percussion drilling, a hole in soil or rock material
11/29/2006	EP1725736A1 Single pass drilling apparatus, use a one -piece drill bit, method and rock bolt for single pass rock bolting.
11/29/2006	CN2841965Y Anti-breath-short hollow slip casting anchoring bolt
11/23/2006	US20060263150 Method and Apparatus for Creating Soil or Rock Subsurface Support
11/22/2006	EP1724435A1 Rockbolts made of high strength steel pipes and method of manufacturing thereof
11/22/2006	CN2839560Y Cable support and shed type support coupling integral apparatus
11/16/2006	WO2006119607A1 Explosive-activated ground anchor assembly
11/16/2006	US20060258782 Injection molded matrix of at least 50 wt % washed, post-consumer recycled, melted polyethylene terephthalate flakes and 1 wt % to 15 wt % distributed cement particles to absorb water present on the flakes; less susceptibility to brittle behavior
11/16/2006	US20060257211 Thermoplastic sheet pile design and methods of manufacture
11/15/2006	CN2837512Y Rockbolt joist
11/08/2006	CN1858402A Comprehensive coal mining method
11/04/2006	CA2506342A1 Yieldable cone bolt for use in small diameter bolt holes and method of installing the same
11/02/2006	DE112004000290T5 Bohrmeißel, Bohrerschaft und ein selbstbohrender Ankerbolzen Drill bit, drill shaft and a self-drilling anchor bolt
10/2006
10/25/2006	EP1715138A1 Tie rod
10/25/2006	EP1499792B1 Method for production of a mining metal plug
10/25/2006	CN2830645Y Pouring anchor arm with anti-corrosion bushing
10/25/2006	CN2830644Y Controllable prestressed super-strength anchor arm
10/11/2006	CA2504058A1 Mine roof support system having torque indicating washer
10/10/2006	US7118310 Truss shoe for a mine roof and method
10/05/2006	WO2006105557A1 Rock anchor
10/04/2006	CN2823560Y Resin anchoring bolt once completed by machine to stir and fasten
10/04/2006	CN1840924A Torque nut having an injection molded breakaway insert
09/2006
09/27/2006	CN1837503A Shell-reclaimable rock-reinforcing construction method and shelling type reinforcement body and reclaiming apparatus used thereby
09/20/2006	CN2818784Y Anchor bolt
09/20/2006	CN2818783Y Fast-bending anchor bolt
09/20/2006	CN2818782Y Anchor bolt
09/20/2006	CN2818781Y Conveniently-bending anchor bolt
09/14/2006	US20060204341 Method and device for rock bolting
09/14/2006	DE102005010957A1 Verfahren und Anordnung zum Spannen eines Stufenankers Method and apparatus for tensioning a stepped anchor
09/13/2006	CN2816357Y Sandwiched composite steel tray
09/13/2006	CN1833091A A drill bit, a drill rod and a self drilling roof bolt
09/13/2006	CN1830882A Roofbolt anchoring agent and roofbolt pin-timbering method therewith
08/2006
08/31/2006	DE202006010310U1 Support arrangement to be used in mining, comprising two threaded bars and anchoring element guided through hydraulic ring-shaped component
08/30/2006	EP1696081A1 Fastening Anchor
08/30/2006	CN1824920A Truss shoe
08/23/2006	EP1693550A1 Lock bolt made of steel pipe
08/23/2006	CN2809219Y Foundation pit anchor rod capable of reclaiming anchor bar
08/17/2006	WO2005019593A3 Helical drag bit and method of using the same
08/16/2006	EP1689950A1 Threaded deformed bar and method for making the bar
08/10/2006	DE102005005227A1 Injektionsanker oder Verpreßkörper zur Übertragung von mechanischen Spannungen in Bauwerken im Hoch- und Tiefbau Injection anchor or pressing body for transmission of mechanical stresses in structures in civil engineering
08/09/2006	EP1687510A1 Anchor device with an elastic expansion sleeve
08/09/2006	CN2804390Y Harm gas preventing hollowed injecting paste anchor rod
08/09/2006	CN1268832C Spiral sharp-rib anchor rod and spiral rib drilling rod for drilling hole of spiral sharp-rib anchor rod
08/02/2006	CN1811131A Enlarged head roof bolt and its construction process
08/01/2006	CA2245121C Injection-anchor
07/2006
07/26/2006	EP1682748A1 Method and device for installing a self-drilling expandable rock bolt and a self-drilling rock bolt
07/25/2006	US7080697 Method and device for drilling a hole and for securing an anchorage in a bore hole
07/19/2006	EP1680574A1 Rock bolt
07/19/2006	CN1804374A Method for preventing and controlling impact geopressure in longwall face gate of coal mine
07/18/2006	US7077195 Borehole closure
07/13/2006	US20060153645 Rock bolt
07/13/2006	US20060150411 Method for production of a mining metal plug
07/12/2006	CN1802488A Rockbolt
07/12/2006	CN1800584A Point anchor coated mine roof bolt
07/11/2006	US7073981 Rock stabilizer
07/05/2006	EP1381756B1 Method and device for drilling a hole and for securing an anchorage in a bore hole
07/05/2006	CN2793330Y Expanded-tube plastic anchor
06/2006
06/27/2006	US7066688 Wedge barrel for a twin cable mine roof bolt
06/21/2006	CN2789413Y High-strength anchor device pallet
06/21/2006	CN1791734A Controlled expansion of rock bolt
06/20/2006	CA2530323A1 Rock bolt
06/15/2006	WO2006061459A1 Method for casing drilling, drilling unit and adapter device
06/15/2006	US20060127189 Yielding rock bolt
06/14/2006	DE102005010503B3 Sleeve for connecting rock drill to anchor bolt has two concentric, externally threaded sections on opposite sides, one of which has annular groove, into which flexible locking ring is inserted
06/14/2006	CN1788140A Expandable rock bolt and rock bolting system
06/14/2006	CN1788139A Method and device for rock bolting
06/14/2006	CN1259499C Prestressed anchor pin with sand solidified inner head and its anchoring method
06/07/2006	EP1664474A2 Drilling apparatus, method, and system
06/07/2006	CN2786281Y Bonded reclaimable plastic anchor rod
06/07/2006	CN2786280Y Expansion pipe for reclaimable plastic anchor rod
06/07/2006	CN2786279Y Reclaimable plastic anchor rod cone
05/2006
05/31/2006	EP1662225A1 Probe for measuring stretch in a borehole
05/31/2006	CN1779210A Roof bolt
05/30/2006	US7051822 Drill bit and drill tip having a tip-locating structure
05/23/2006	CA2419652C Removable deep set drop-in anchor
05/17/2006	CN2780993Y Anchor bolt prestressed control device
05/16/2006	US7044688 Roof bolts for use in mines, a method for their production and method for their installation
05/16/2006	US7044678 Connecting an anchoring rod to a drilling tool
05/10/2006	CN1771380A Expandable injection bolt and grouting method using same
05/04/2006	US20060093438 Rock bolting system
05/02/2006	US7037058 Resin embedded rock bolt
05/02/2006	US7037046 Yielding strata bolt
04/2006
04/25/2006	US7033117 Rock anchor
04/20/2006	US20060083593 Wedge barrel for a twin cable mine roof bolt
04/19/2006	CN2773312Y Assembled slip-casting roofbolt
04/18/2006	CA2271655C Process and device for simultaneously drilling and lining a hole
04/13/2006	US20060078391 Point anchor coated mine roof bolt
04/12/2006	EP1434929A4 A yielding rock bolt
04/12/2006	CN2771484Y Underground engineering slip casting anchorage cable
04/11/2006	US7025538 Bonding anchor
04/06/2006	US20060072972 Elongate element tensioning member

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