| Patents for E21D 20 - Setting anchoring-bolts (3,685) |
|---|
| 12/29/1999 | CA2336200A1 Tunnel boring machinery |
| 12/16/1999 | WO1999064722A1 Device for handling and injecting cartridges of resin in rock reinforcement equipment |
| 12/16/1999 | DE19835814A1 Rock anchor for mountaineering |
| 12/05/1999 | CA2273744A1 Hydraulic cable tensioner |
| 12/01/1999 | EP0960266A1 A cable bolt |
| 12/01/1999 | CN1237222A Process and device for simultaneously drilling and lining hole |
| 11/30/1999 | US5993116 1omprises: (a) a resin component containing an unsaturated polyester resin; and (b) a catalyst component separated from the polyester resin. |
| 11/16/1999 | US5984588 Method for the stabilization of rock masses and related stabilization element |
| 11/04/1999 | WO1999056001A1 Device for a rock wall |
| 11/03/1999 | EP0953727A1 Fixing element for a reinforcement connection, in particular for seismic protection |
| 11/03/1999 | EP0953725A2 Device for storing and loading reinforced rods for the front and vault of a tunnel |
| 10/28/1999 | DE19818739A1 Befestigungselement zum nachträglichen Bewehrungsanschluß, insbesondere für Erdbebensicherung Fastener for post-installed rebar connection, particularly for earthquake safety |
| 10/13/1999 | EP0948701A1 Process and device for simultaneously drilling and lining a hole |
| 10/06/1999 | CN1231017A Drill shank for drill drive |
| 09/29/1999 | CN2340898Y Air and water pressuring universal electric rod fixing apparatus |
| 09/21/1999 | US5954455 Combination bolt system |
| 09/21/1999 | US5953879 Composite anchor |
| 09/14/1999 | US5951208 Method of roof/side wall bolting for in-situ rock |
| 09/09/1999 | DE19809773A1 Telescopic boring machine for underground working |
| 08/17/1999 | US5938376 Automated temporary roof support, bolter and method |
| 07/22/1999 | WO1999036674A1 Feed apparatus for feeding capsular cartridges into drilled hole |
| 07/22/1999 | WO1999036673A1 Improved oil tank arrangement for mining apparatus and roof bolting equipment |
| 07/22/1999 | WO1999036672A1 Extendible drill support frame for mining apparatus and roof bolting equipment |
| 07/22/1999 | WO1999036671A1 Improved roof support arrangement for mining apparatus and roof bolting equipment |
| 07/22/1999 | WO1999036670A1 Roof and rib drill improvements to mining apparatus and roof bolting equipment |
| 07/22/1999 | WO1999036231A1 Storage pod for underground mining machine |
| 07/14/1999 | EP0928360A1 Drill shank for a drill drive |
| 07/06/1999 | US5919006 Tensionable cable bolt with mixing assembly |
| 06/30/1999 | EP0925879A2 Tool for setting dowels |
| 06/29/1999 | CA2177322C Anchoring cartridge for hardening multi-component composition |
| 06/22/1999 | US5913573 Roof bolt drilling and setting apparatus |
| 06/09/1999 | EP0749364B1 Method of securing an anchor with extrusion plastic molding in a solid wall substrate |
| 06/09/1999 | CN2323136Y Tension dispersion protection anchorage cable |
| 05/14/1999 | WO1999023358A1 Cutting machine |
| 04/27/1999 | CA2107826C Mine roof bolt |
| 04/21/1999 | CN1043071C Anchoring cartridge for hardening multi-component composition |
| 04/07/1999 | CN1213046A Assembly anchor bolt |
| 03/25/1999 | WO1999014463A1 Anchor boring and setting device |
| 03/17/1999 | EP0540601B1 Rock bolt system and method of rock bolting |
| 02/18/1999 | DE19735457A1 Injection and pressure body |
| 02/08/1999 | CA2244617A1 A rock bolt assembly |
| 01/14/1999 | WO1999001641A1 An apparatus for positioning a resin cartridge |
| 01/13/1999 | CN1205046A Drilling apparatus |
| 01/12/1999 | CA2190666C Combination cable spreader and cable driver |
| 01/07/1999 | WO1999000582A1 Filler-containing rock bolt anchoring system and method of preparation thereof |
| 01/07/1999 | WO1999000581A1 Rock bolt anchoring system and method of use thereof |
| 12/29/1998 | USRE36019 Roof control system |
| 12/29/1998 | US5854305 Plugging compound for chemical fastening |
| 12/23/1998 | WO1998058132A1 Process and device for boring holes |
| 12/23/1998 | CN2301530Y Anchor rod base-enlarging drill bit |
| 12/23/1998 | CA2294883A1 Process and device for boring holes |
| 12/22/1998 | CA2167655C Mine roof support system including an expansion anchor with means assisting resin component mixing and method of installation thereof |
| 12/16/1998 | CN2300725Y Inner circulation type electric anchor shaft drilling machine |
| 12/04/1998 | CA2206909A1 Resin dam for an anchoring bolt |
| 12/02/1998 | EP0800615B1 Rod for an anchor inserted by drilling and injection grouting |
| 11/25/1998 | EP0879679A2 Fastener setting device for anchoring bars for compound anchors |
| 11/19/1998 | WO1998051904A1 Apparatus for bending and cutting cable in rock bolting equipment |
| 10/29/1998 | WO1998048147A1 Feeding device for feeding a wire in a rock bolting equipment |
| 10/28/1998 | EP0793765B1 Travelling tunneling machine |
| 10/21/1998 | CN2295048Y Center-adjustable supporting disk of anchoring rod |
| 10/20/1998 | US5824912 Method of determining stresses in a model mine layout |
| 10/15/1998 | WO1998045576A1 Injection device and injection method |
| 10/15/1998 | CA2286025A1 Injection device and injection method |
| 10/06/1998 | US5816750 For use with a continuous miner |
| 09/30/1998 | EP0867624A1 Compound anchor |
| 09/16/1998 | CN2291501Y Hammerblow brad driver |
| 09/09/1998 | EP0863295A1 Method and device for setting anchoring bolts |
| 08/18/1998 | US5795107 Rod handling method |
| 08/18/1998 | US5794721 Drilling apparatus |
| 08/11/1998 | US5791822 Rod handling apparatus and method |
| 07/31/1998 | CA2228365A1 Friction rock stabilizer |
| 07/30/1998 | DE19702749A1 Procedure for installing injection hole ground anchor |
| 07/28/1998 | US5785463 Combination cable bolt system |
| 07/28/1998 | US5785462 Anchoring cartridge for hardening multi-component composition |
| 07/15/1998 | EP0852658A1 Drilling and bolting apparatus for tunnelling and tunnel propping |
| 07/15/1998 | CN1039149C Method for forming high-strength anchor |
| 06/16/1998 | US5765969 Tubeformed rock bolt |
| 06/16/1998 | CA2118447C Rock bolter |
| 06/10/1998 | CN2283731Y Long-travel hydraulic rockbolt rig with handrail |
| 06/09/1998 | US5763026 Anchor - fixing capsules |
| 05/28/1998 | DE19649941A1 Method for solidifying brittle rock layers rock layers |
| 05/27/1998 | EP0843775A1 A method for reinforcing rock with a tendon |
| 05/26/1998 | US5755535 Mine roof truss system and related installation method |
| 05/22/1998 | WO1998021439A1 Process and device for simultaneously drilling and lining a hole |
| 05/20/1998 | EP0843073A1 Method and device for setting injection anchoring bolts |
| 05/14/1998 | WO1998020085A1 Binder for building structures |
| 04/29/1998 | CN1180131A Omnibearing hydraulic jumbolter |
| 04/01/1998 | EP0659231B1 Rockbolt |
| 03/26/1998 | WO1998012412A1 Drill shank for a drill drive |
| 03/26/1998 | DE19638464A1 Einsteckende für einen Bohrantrieb Insertion of a drill drive |
| 03/25/1998 | CN2276989Y Roof-bolter with top pushing function |
| 03/24/1998 | US5730557 Mortar mixture unit for chemical attachment of anchoring means in boreholes |
| 03/19/1998 | WO1998011324A1 A cable bolt |
| 03/12/1998 | WO1998010171A1 Drilling apparatus |
| 03/12/1998 | CA2236808A1 Drilling apparatus |
| 02/25/1998 | EP0824634A1 A hydraulic arrangement for turning the actuator of a rock drilling machine |
| 02/24/1998 | US5720582 Bolt delivery system with linear bolt magazine |
| 02/24/1998 | CA2108314C Bending and feeding apparatus for installing a cable into a preformed bore |
| 02/18/1998 | EP0680545B1 Means for anchoring a rock bolt made of concrete steel in a drill hole |
| 02/05/1998 | DE19631039A1 Method of placing rockbolt via medium=filled cavity and drillrod |