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| Number | Title | Issue Date |
| 4558781 | Cartridge for use in anchor bolting An anchoring cartridge for use in anchor bolting in a rock substrate such as an underground mine roof comprises a frangible casing formed from a liquid-impermeable material, the casing containing a particulate liquid-settable solid component, such as a hy... | 12/17/1985 |
| 4470504 | Cartridges for anchorage of bolix in mine roadways and similar openings, processes of anchorage and corresponding processes of manufacture The invention relates to cartridges containing a mortar composition capable of being hardened by reaction with an aqueous liquid such as water. The cartridge is initially sealed and is perforated along its longitudinal axis just before use, after which th... | 09/11/1984 |
| 4455171 | Reactivatable set-inhibited cementitious compositions Aqueous grouting compositions based on high alumina cement have the onset of setting delayed for upwards of one month by the incorporation therein of a set-inhibiting agent such as boric acid or gluconic acid delta lactone and can then be rapidly reactiva... | 06/19/1984 |
| 4399911 | Cartridge for use in anchor bolting An anchoring cartridge suitable for use in anchoring a reinforcing or fixing element such as an anchor bolt in a borehole in a substrate contains a particulate liquid-settable solid component, such as a hydraulic cement, within a frangible liquid-impermea... | 08/23/1983 |
| 4395162 | Cartridge for use in anchor bolting Reinforcing or fixing elements such as anchor bolts are anchored in a borehole drilled in a substrate such as an underground mine roof with an anchoring cartridge in which a particulate liquid-settable solid component, for example a hydraulic cement, is c... | 07/26/1983 |
