| 摘要 |
<p>Device for sealing a rock wall, which device comprises an injection tube (3) adapted to be introduced into a bore hole (30) in the rock wall, into which bore hole filling material (31) is intended to be injected through the injection tube (3). The device also comprises a non-return valve (4) for the filling material, and may be permanently connected to a reinforcement bar (1) in order for the device to achieve both sealing and reinforcement.</p> |
