| Patents for E21D 20 - Setting anchoring-bolts (3,685) |
|---|
| 04/24/1984 | CA1166149A1 Chemical anchor cartridges |
| 04/17/1984 | US4443567 Coloring, rupturing microcapsules |
| 04/17/1984 | US4443132 Anchoring of tension members |
| 03/27/1984 | CA1164230A1 Friction rock stabilizer and a method of isolating the same from a bore surface |
| 02/28/1984 | CA1162910A1 Automatic roof bolting drill retention apparatus |
| 02/21/1984 | CA1162407A1 Reinforcing and confining earth formations |
| 02/07/1984 | US4430025 Oblate friction rock stabilizer and installation lubricating cement utilized therewith |
| 02/07/1984 | CA1161675A1 Mine roof plate |
| 01/31/1984 | CA1161263A1 Grouting capsule |
| 01/24/1984 | CA1161181A1 Organic grouting composition for anchoring a bolt in a hole |
| 01/03/1984 | US4423986 Method and installation apparatus for rock bolting |
| 12/13/1983 | US4420277 Mine roof driller-bolter apparatus and method |
| 12/13/1983 | US4419805 Method for combining resin bonding and mechanical anchoring of a bolt in a rock formation |
| 11/08/1983 | US4413930 Method and apparatus for combining resin bonding and mechanical anchoring of a bolt in a rock formation |
| 11/08/1983 | US4413929 Rock bolt |
| 11/08/1983 | US4413928 Reinforcing and confining earth formation |
| 09/28/1983 | EP0089656A2 Injection anchorages to be put in predrilled holes |
| 09/14/1983 | EP0088170A1 Self hardening composition and cartridge thereof |
| 09/06/1983 | US4402633 Curing a mixture of unsaturated polyester resin, carbonate or bicarbonate, aluminum chlorhydroxide, and catalyst |
| 08/23/1983 | US4400113 Friction rock stabilizer and a method of isolating the same from a bore surface |
| 08/23/1983 | US4399911 Particulate liquid-settable solid component, such as hydraulic cement |
| 08/17/1983 | EP0085829A1 Method of glueing anchor bolts in boreholes |
| 08/17/1983 | EP0085826A1 Method of fastening anchor bolts in drilling holes |
| 08/16/1983 | US4398850 Roof bolter and process |
| 07/26/1983 | US4395163 Mining appliance |
| 07/26/1983 | US4395162 Particulate liquid settable component such as hydraulic cement |
| 07/19/1983 | US4393638 Anchor rod, method of setting it in place and method of its manufacture |
| 06/21/1983 | CA1148389A1 Self-drilling anchor dowel |
| 06/15/1983 | EP0081385A1 Reactivatable set-inhibited cementitious compositions |
| 06/07/1983 | US4386882 Self-drilling anchor dowel |
| 06/07/1983 | US4386877 Mine roof bolting |
| 06/01/1983 | EP0080196A2 Injection anchor for a prebored hole |
| 05/17/1983 | CA1146601A1 Cartridge for rock-bolting |
| 04/27/1983 | EP0077762A2 Method of rock bolting and rock bolt |
| 03/29/1983 | US4378181 Grouting capsule |
| 03/29/1983 | CA1143597A1 Point anchor roof bolt assembly |
| 03/08/1983 | CA1142556A1 Inorganic cement grouting system for use in anchoring a bolt in a hole |
| 02/15/1983 | CA1141343A1 Two-component adhesive cartridge |
| 02/08/1983 | US4372708 Resin capsule and method for grouting anchor elements in holes of various lengths |
| 02/08/1983 | CA1140901A1 Resin-containing cartridges and process for sealing solid structures or for anchoring bolts and rods therein |
| 02/01/1983 | US4371040 Anti-buckling device for mine-roof bolting machines |
| 01/25/1983 | CA1139959A1 Apparatus for automatic bolting in rock reinforcement |
| 01/19/1983 | EP0070027A2 Flexible cartridge with coupling and stop means |
| 01/18/1983 | US4369003 Rock anchors |
| 01/05/1983 | EP0068227A1 Anchor bolt |
| 12/23/1982 | WO1982004461A1 Anchoring bolt |
| 12/21/1982 | CA1137795A1 Mine roof bolt assembly |
| 12/01/1982 | EP0065755A1 One-component adhesive for adhesive cartridges and for forming plugs |
| 11/23/1982 | US4360292 Grouted strand anchor and method of making same |
| 11/10/1982 | EP0064362A2 Rock bolt |
| 11/09/1982 | US4358227 Device for preparing and injecting sealing charges of cement |
| 11/09/1982 | CA1135086A1 Mine roof bolting |
| 10/27/1982 | EP0063442A2 Improved anchoring cartridge and method |
| 10/12/1982 | US4353463 Resin-containing cartridges and process for sealing solid structures or for anchoring bolts and rods therein |
| 10/05/1982 | US4352693 Capsules containing cementitious compositions |
| 09/28/1982 | US4351625 Apparatus for automatic bolting in rock reinforcement |
| 09/14/1982 | US4349299 Roof bolt tension head and method of use |
| 08/31/1982 | US4347020 Mine roof bolt assembly |
| 08/31/1982 | US4346766 Drill cradle with elongated slide track |
| 08/24/1982 | US4345686 Material for fixing anchor bolt or like and method of manufacturing same |
| 08/10/1982 | US4343399 Two component device for use in anchor bolting and method of anchoring |
| 08/03/1982 | US4342487 Automatic roof bolting drill retention apparatus |
| 07/27/1982 | US4341301 Adhesive securing of anchors in borehole |
| 07/13/1982 | US4339006 Method and apparatus for mine roof drilling |
| 07/13/1982 | CA1127601A1 Dual compartmented container |
| 07/13/1982 | CA1127433A1 Rock bolt and installation system |
| 07/06/1982 | US4338048 Cartridge for rock-bolting |
| 06/30/1982 | EP0018391B1 Apparatus for automatic bolting in rock reinforcement |
| 06/22/1982 | CA1126058A1 Friction rock stabilizer and method for insertion thereof in an earth structure bore |
| 06/15/1982 | US4334805 Roof bolt and cradle arrangement |
| 06/15/1982 | US4334804 Friction rock stabilizer and method of installing same in an earth structure |
| 05/11/1982 | US4328872 Anti-buckling device for mine-roof bolting machines |
| 04/27/1982 | US4326890 Bedding anchorage rods |
| 04/27/1982 | US4326632 Two-component adhesive body |
| 04/14/1982 | EP0049646A1 Process for fixing anchor bolts in rocks by means of a thermoplastic glue-block heated in situ, and relevant compositions |
| 04/13/1982 | US4324592 Magnesium oxide and acid phosphate |
| 03/30/1982 | US4322183 Friction rock stabilizer and installation lubricating cement apparatus and method |
| 03/30/1982 | CA1120753A1 Two-component adhesive body |
| 03/17/1982 | EP0047727A1 Method of rock bolting and a device comprising an expansible rock bolt and an installation device therefor |
| 02/23/1982 | US4316677 Tubular shank device |
| 02/17/1982 | EP0046037A2 Capsules containing self-setting compositions and the compositions |
| 02/04/1982 | WO1982000281A1 Improvements in chemical anchor cartridges |
| 02/02/1982 | US4313697 Mine roof support plate bolt |
| 01/20/1982 | EP0044272A2 Device for pressing a two-component adhesive into a pipe in order to produce a non-prestressed anchor |
| 01/19/1982 | US4311347 Drill steel guide |
| 01/12/1982 | US4310197 Mining and bolting method and apparatus |
| 01/05/1982 | CA1115891A1 Cartridge for securing stay bars in bore holes |
| 12/30/1981 | EP0042573A2 Dowel for insulation panels |
| 12/29/1981 | US4307979 Mine roof bolt and end cap |
| 12/16/1981 | EP0041801A2 A capsule of grouting material and methods for the preparation and use thereof |
| 12/15/1981 | US4305687 Anchoring system for rock bolts |
| 12/15/1981 | CA1114146A1 Method for sealing anchoring bars in mine shafts |
| 12/01/1981 | US4303354 Mine roof bolting |
| 12/01/1981 | CA1113513A1 Calcium sulphate hemihydrate plaster |
| 11/24/1981 | US4302131 Anchor elements |
| 11/17/1981 | US4300859 Dual diameter bushing/seal for mine roof bolt |
| 11/17/1981 | US4300642 Device for reaming and collecting dust, for a drilling apparatus |
| 11/17/1981 | CA1112465A1 Method of anchoring elements and a device for carrying out said method |
| 11/11/1981 | EP0039496A2 Device for the anchoring of rails of mine tramways |
| 11/10/1981 | US4299515 Rock reinforcement system |