| Patents for E21D 20 - Setting anchoring-bolts (3,685) |
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| 07/08/1986 | EP0150210A4 Continuous mining machine. |
| 06/24/1986 | CA1206331A1 Multi-component grouting system |
| 06/17/1986 | US4595316 Automated temporary roof support system for mining equipment |
| 05/28/1986 | EP0182777A1 Nail |
| 05/28/1986 | EP0182734A1 Nail |
| 05/28/1986 | EP0182039A1 Destructible anchor cartridge |
| 05/28/1986 | CN85200498U Tubular prestressed injected roof bolt |
| 05/20/1986 | US4589803 Method and apparatus for installing mine roof supports |
| 05/13/1986 | US4588037 Turret for roof bolting apparatus |
| 04/30/1986 | CN85203162U Connector to seperate mounting for slit-tube roof balt |
| 04/08/1986 | US4580795 Apparatus for installing anchors |
| 03/18/1986 | US4576525 Method and equipment for performing rock bolting |
| 03/18/1986 | US4576524 Rock anchor arrangement |
| 03/18/1986 | CA1201896A1 Method and apparatus for reinforcing and consolidating earth structures |
| 02/19/1986 | EP0172134A1 Meshed plug for receiving anchoring elements using curable means |
| 02/11/1986 | CA1200566A1 Reactivatable set-inhibited cementitious compositions |
| 01/29/1986 | EP0169639A1 Filler containing hardenable resin products |
| 01/14/1986 | US4564315 Method for anchoring a bolt in a rock-like structure |
| 12/17/1985 | US4558781 Cartridge for use in anchor bolting |
| 12/11/1985 | EP0164304A1 Anchorage of an anchoraging element |
| 12/10/1985 | CA1197716A1 Attachment assembly |
| 12/04/1985 | EP0163019A1 Destructible cartridge for multicomponent masses |
| 12/03/1985 | US4556344 Combination expansion shell and resin secured mine roof anchor assembly |
| 11/26/1985 | CA1197120A1 Oblate friction rock stabilizer and installation lubricating cement utilized therewith |
| 10/02/1985 | EP0156673A1 Earth anchor driving and fastening method, device and anchor therefor |
| 10/02/1985 | EP0156082A1 Method of anchoring for the backs and walls of underground galleries, and devices therefor |
| 09/03/1985 | US4538940 Arrangement for force transfer between longitudinally stressed members |
| 09/03/1985 | CA1192754A1 Method for rock bolting by using a stranded cable and equipment for carrying out rock bolting |
| 08/27/1985 | US4537535 Rock reinforcement |
| 08/13/1985 | US4534795 Long shelf life cementitious anchoring capsule |
| 08/13/1985 | US4534680 Combination expansion shell and resin secured mine roof anchor assembly |
| 08/13/1985 | US4534679 Combination expansion shell and resin secured mine roof anchor assembly |
| 08/07/1985 | EP0150555A1 Cartridge for use in fixing an anchor bolt and method of using the cartridge |
| 08/07/1985 | EP0150210A1 Continuous mining machine. |
| 07/24/1985 | EP0149056A1 Movable drilling device |
| 07/16/1985 | US4528792 Anchoring cartridges |
| 06/26/1985 | EP0146009A1 Device for driving ground anchors for anchoring fluid conveying pipelines to the ground |
| 06/25/1985 | US4525103 Using quick-setting polyurethanes |
| 06/19/1985 | EP0144584A2 Holder for injecting a bonding agent into a bore-hole for the anchoring of a fixing device |
| 06/05/1985 | EP0047311B1 Friction rock stabilizing device and method of supporting a mine roof using said device |
| 06/04/1985 | CA1188115A1 Roof bolter and process |
| 05/28/1985 | CA1187709A1 Method of supporting mine roof and reinforcing surrounding roof rock strata |
| 05/21/1985 | US4518292 Method and apparatus for combining resin bonding and mechanical anchoring of a bolt in a rock formation |
| 05/21/1985 | US4518290 Anchoring bolt |
| 05/21/1985 | US4518283 Hardenable synthetic resin composition and its use |
| 05/14/1985 | US4516886 Expansion anchor assembly for use on a threaded rod |
| 05/14/1985 | US4516885 Method and apparatus for combining resin bonding and mechanical anchoring of a bolt in a rock formation |
| 05/14/1985 | US4516884 Grouting composition cartridge |
| 05/14/1985 | US4516883 Mine roof bolt mounting assembly |
| 05/08/1985 | EP0140873A1 Drilling arm |
| 05/02/1985 | EP0138866A1 Reinforcement of earth structures |
| 05/02/1985 | EP0034620B1 Resin-containing cartridges |
| 04/30/1985 | US4514111 Method of and apparatus for installing solder bolts in rock bolting |
| 04/16/1985 | US4511289 Method of rock bolting and rock bolt |
| 04/16/1985 | CA1185452A1 Reinforcing member for a grouted anchor |
| 04/10/1985 | EP0137000A1 Vehicle |
| 04/09/1985 | US4509889 Method of rock bolting and tube-formed expansion bolt |
| 03/12/1985 | US4504175 Stabilizing mine roofs-glass fiber reinforced thermosetting resin rods |
| 03/12/1985 | CA1183697A1 Method of and apparatus for installing solder bolts in rock bolting |
| 02/26/1985 | US4501516 Anchoring of tension members |
| 02/26/1985 | CA1183007A1 Mine roof driller - bolter apparatus |
| 02/14/1985 | WO1985000636A1 Continuous mining machine |
| 02/12/1985 | US4498817 Roof bolts for mines and the like workings |
| 02/05/1985 | US4497595 Method of bonding roofbolt rods to boltholes |
| 02/05/1985 | US4497403 Cartridge containing multiple areas of a multi-component mix and method of making the same |
| 02/05/1985 | US4497378 Drilling and bolting turret |
| 01/15/1985 | CA1180909A1 Method of rock bolting and a combination of a rock bolt and an installation device for same |
| 01/09/1985 | EP0130969A2 Drilling and bolting apparatus |
| 01/01/1985 | US4491440 Method and apparatus for installing a roof support member in a mine |
| 12/27/1984 | CA1179985A Two component device for use in anchor bolting and method of anchoring |
| 12/27/1984 | CA1179984A Capsules containing cementitious compositions |
| 12/25/1984 | USRE31776 Resin reinforced expansion anchor and method of installation |
| 12/11/1984 | US4487529 Grouting composition and method of using same |
| 12/05/1984 | EP0126829A1 Roof drill shock absorbing coupling |
| 11/28/1984 | EP0126534A1 Improved anchoring capsule containing self-setting composition |
| 11/21/1984 | EP0126046A1 A method of rock bolting, and a device, and a roof bolting apparatus |
| 11/21/1984 | EP0125261A1 A method and apparatus for reinforcing and consolidating earth structures |
| 11/20/1984 | US4483645 Combination expansion shell and resin secured mine roof anchor assembly |
| 11/14/1984 | EP0124658A1 Roof bolter |
| 11/13/1984 | CA1177990A1 Capsules containing self-setting compositions and the compositions |
| 10/31/1984 | EP0123250A2 Process for filling cavities in mineral materials by means of meltable polymers |
| 10/25/1984 | WO1984004131A1 A method of rock bolting, and a device, and a roof bolting apparatus |
| 10/23/1984 | US4478290 Anti-buckling device for mine-roof bolting machines |
| 10/16/1984 | US4477208 Chemical anchor cartridges |
| 09/27/1984 | WO1984003734A1 Reinforcement of earth structures |
| 09/26/1984 | EP0119375A1 Anchoring bolt drilling and setting device, especially for mining |
| 09/25/1984 | US4473325 Bolt holder on a drilling and bolting turret |
| 09/18/1984 | US4472002 Retractable bit guide for a drilling and bolting slide |
| 09/11/1984 | US4470504 Cartridges for anchorage of bolix in mine roadways and similar openings, processes of anchorage and corresponding processes of manufacture |
| 09/05/1984 | EP0117690A1 Method of anchoring a bolt in a hole |
| 08/28/1984 | CA1173408A1 Cementitious cartridge for rock-bolting |
| 08/21/1984 | CA1173067A1 Cartridge containing fast acting inorganic adhesive systems, grouting compositions and method of use |
| 07/24/1984 | US4461600 Method of and device for solidifying rock in mine tunnels and the like |
| 07/18/1984 | EP0113593A2 Long shelf life cementitious anchoring capsule |
| 07/10/1984 | US4459067 Method of rock bolting and tube-formed expansion bolt |
| 06/19/1984 | US4455171 Reactivatable set-inhibited cementitious compositions |
| 05/29/1984 | US4451179 Method and apparatus for affixing a roof bolting plate to a mine roof |
| 05/24/1984 | WO1984001978A1 A method and apparatus for reinforcing and consolidating earth structures |
| 05/01/1984 | US4445663 Rotating device for drill mast |
| 04/24/1984 | US4444529 Bolt-like fixing assembly for reinforcing rock structure |