| 摘要 |
Abstract The present invention relates to an improved anchor assembly for groutable cable bolts in mines, tunnels, underground excavations and the like. In particular, the present invention relates to a sealing means for an anchor assembly which helps to substantially maintain an anchoring connection with one end of a cable bolt when installed in an underground excavation, thereby improving the performance of the cable bolt. r. ~3 Figure 9 Figure 10B 20 Figure 10A 20 F l 5a Sc 5b Figure 11 Figure 12 Figure 13 |
