Patents
Sitemap › E21 - Earth or rock drilling; Mining › E21D - Shafts; Tunnels; Galleries; Large underground chambers › E21D 20 - Setting anchoring-bolts
Patents for E21D 20 - Setting anchoring-bolts (3,685)
07/2010
07/01/2010WO2010048650A3 Heading or extraction machine
07/01/2010US20100166506 Composite self-drilling soil nail and method
07/01/2010DE10234255B4 Verwendung von Bohr-Injektionsankern als flächentragende Armierung eines Vortriebs-Gewölbeschirmes Use of drilling injection anchors as bearing surface reinforcement of a propulsion vault screen
07/01/2010DE102009058936A1 Vorrichtung zum druckdichten Verbinden der Zufuhrleitungen für Kunststoffkomponenten mit dem Innenkanal eines Gesteinsankers A device for pressure-tight connecting the feed lines for the plastic components with the inner channel of a rock bolt
07/01/2010CA2740127A1 Sleeved cable bolt
06/2010
06/30/2010CN101761350A Rapid drilling device of small-bore tunnel bottom plate drill
06/30/2010CN101761349A Anchor cable auxiliary mounting system
06/30/2010CN101761348A Multi-directional anchor pile one-step formed drilling tool
06/24/2010WO2010070445A1 Rock anchor
06/24/2010CA2747333A1 Device for connecting a supply pipe to the inner channel of a rock bolt
06/23/2010EP2199542A1 Tunnel reinforcement tubular device of non-polluting material
06/23/2010CN201513193U Structure for mounting jet rod in tunnel through adopting prestressed anchor rod
06/23/2010CN101749041A Dual-anchoring rod and construction method thereof
06/23/2010CN101749040A Narrow multi-angle boring tower device
06/23/2010CN101749039A Deep well drilling waterpower deslagging device of floor anchor rod hole of tunnel
06/23/2010CN101749030A Porous parallel-connected grouting method and device for reinforcing roadway weak surrounding rock
06/23/2010CN101387202B Method for enlarging and digging tunnel portal at weak surrounding rock section in tunnel
06/23/2010CN101213351B Drill slide for rock drilling apparatus
06/23/2010CN101148971B Cutting mechanism of anchor bar drilling machine
06/17/2010US20100150666 Anchor fixing agent, anchor fixing agent ampule, and method for fixing anchor
06/16/2010EP2195510A1 Method for fixing a cable or tendon
06/16/2010CN101737006A Dry wet-type drill box of anchor rod drill carriage
06/16/2010CN101737005A Drilling tool for sleeving anchor cable and construction method for sleeving anchor cable with simultaneous casing
06/09/2010CN201502385U Rear-reamed anchor rod installer capable of measuring wedge lock stroke
06/09/2010CN201502323U Reversible gyrator with vibration of jumbolter
06/09/2010CN201502322U Motor drive component with vibrant jumbolter
06/09/2010CN201502321U Double-ratchet wheel component of motor drive component for jumbolter
06/09/2010CN201502320U Drive housing body with vibrant jumbolter
06/09/2010CN201502319U Three-ratchet wheel component of gyrator for jumbolter
06/09/2010CN101725363A Rear reaming anchor rod mounting device capable of measuring wedge lock travel
06/09/2010CN101725362A Composite support device of dynamic pressure softrock tunnel based on steel pipe concrete bracket
06/09/2010CN101201005B Anchor bar/anchorage cable water stopper and method of use thereof
06/02/2010EP2192261A1 Method for anchoring an attachment element
06/02/2010CN101718207A Coal-mine soft-rock laneway supporting method for enhancing laneway supporting working resistance
06/02/2010CN101349159B Method of single channel railless plastic core-rubber-tire vehicle back withdrawing fully-mechanized mining working face
06/01/2010US7726923 Anchor bar with a support block
06/01/2010CA2477346C Rock bolt
05/2010
05/27/2010WO2010059168A1 Sheathed cable
05/27/2010US20100126747 Anchor drilling and setting device
05/27/2010CA2742253A1 Sheathed cable
05/26/2010CN201486579U Drilling anchor rod hole positioning device
05/26/2010CN201486578U Roof bolter
05/25/2010US7721816 Drilling/bolting machine having a manual operator input device with enable switch and related methods
05/20/2010WO2010054436A1 Plug member, method of manufacture and plugging method
05/19/2010CN201475123U Anchor rod damping nut
05/19/2010CN201474711U Movable anchor block for fixing drilling machine
05/19/2010CN101711305A Plastic rock-bolt or dowel and method of manufacture of the same
05/19/2010CN101709650A Method for supporting steel grating
05/19/2010CN101122235B Method for controlling wall rock of fully mechanized coal face goaf side coalbed laneway
05/13/2010US20100119310 crawler-type and height adjustment drilling machine for setting roof and side wall anchor bolts and anchor cables
05/12/2010CN201460931U Roof bolter out-of-hand stalling device
05/12/2010CN201460930U Tube seam type anchor rod binding assembly
05/12/2010CN201460729U Excavation machine onboard jumbolter
05/12/2010CN201460711U Top and side dual-purpose pneumatic jumbolter
05/12/2010CN101058980B Construction method for self-feeding anchor pile
05/11/2010US7712838 Ground support insertion tool
05/06/2010WO2010050870A1 Injecting device, drill rig and method of rock bolting
05/06/2010WO2010048650A2 Heading or extraction machine
05/06/2010CA2741812A1 Injecting device, drill rig and method of rock bolting
05/05/2010CN201448108U Speedy drivage single-arm outburst drilling preventive loading anchor machine for high outburst mine coal roadways
05/05/2010CN201448057U Natural diamond surface-set anchor bit
05/05/2010CN1771380B Expandable injection bolt and grouting method using same
05/05/2010CN101701505A Sleeve pore-fixing device and method
05/04/2010US7708500 Resin anchor with a compressible envelope containing a curable product
04/2010
04/29/2010US20100104377 Coupler bolt termination system
04/28/2010EP2179137A1 Armature boring and setting device
04/21/2010CN201439719U Machine-borne roof-bolter being convenient to operate
04/21/2010CN1788138B Device for rock bolting and for automized rock bolting and rock bolting method
04/20/2010CA2473255C Rock bolts with expandable element
04/14/2010EP2173950A2 Improved earth anchor
04/14/2010CN1880725B Sand-filling one-step-forming enlarged anchor pile construction method and device therefor
04/14/2010CN101694150A Transmission case body with vibratory anchor drill
04/14/2010CN101694148A Motor driving part of anchor drill
04/01/2010WO2010036259A1 Re-tensionable cable bolt apparatus and related method
03/2010
03/31/2010CN201433781Y High strength grouting anchorage bar
03/31/2010CN201433780Y Machine-mounted roof-bolter
03/31/2010CN201433779Y A machine with a mechanical boring machine and a roof bolting machine integrated together
03/25/2010WO2010031132A1 An injection, sealing valving and passageway system
03/25/2010US20100074696 Apparatus and method for securing resin set bolts when performing rock boltiing
03/25/2010US20100074695 Fluid recovery
03/25/2010CA2737726A1 An injection, sealing, valving and passageway system
03/24/2010CN100595419C Large-stroke stretching device for static-indeterminant supporting anchorage cable
03/17/2010CN101672191A Mechanized method for installing resin anchor rod
03/17/2010CN101672190A Resin cap suitable for fixing resin anchoring cartridge
03/17/2010CN101672158A Jumbolter gyrator capable of vibrating and rotating normally and reversely
03/10/2010CN201420561Y Emulsified liquid anchor withdrawer for mine-supporting anchor cables
03/04/2010DE102008048672B3 Werkzeug mit einer Vorschubbewegungs-Übertragungseinrichtung Tool with a feed motion transmission means
02/2010
02/24/2010CN201412173Y Grouting device for anchor rod hole
02/24/2010CN101655011A Special resin bolt suitable for mechanically mounting drilling jumbo
02/17/2010CN201407271Y Anchor-rod nut retaining structure
02/16/2010CA2421223C Mobile system for manufacturing and installing reinforcing members
02/11/2010US20100034595 Friction stabilizers and roof bolt head markings
02/02/2010US7654775 Soil nail launcher
01/2010
01/28/2010DE102008040687A1 Verankerungselement Anchoring element
01/27/2010CN201391329Y Steel bar sleeve grouting anchor connecting part of prefabricated components
01/24/2010CA2674017A1 Anchoring element
01/24/2010CA2673812A1 Anchoring element
01/21/2010US20100014923 Method of setting a self-drilling, chemically anchorable fastening element and a self-drilling chemically anchorable fastening element
01/21/2010US20100011678 Double anchor and lifting shackle for concrete slabs
01/21/2010DE102008040510A1 Setzverfahren eines selbstbohrenden, chemisch verankerbaren Befestigungselementes Setting method of self-drilling, chemically anchored fastening element
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