| 摘要 |
cartridge, the tool comprising a handle (5), a stem (3) depending from the handle operative to apply a torque to the stem in use, the stem having a tip (17) distal from the stem and being provided with an external screw thread (19) along at least part of its length, the thread tapering inwardly from the handle towards the tip, the handle and stem being arranged such that the tip of the stem can be inserted into the sealant plug in the sealant cartridge nozzle and torque applied to the stem via the handle to drive the thread into the sealant plug, the handle being arranged to enable a user of the tool to subsequently apply a tensile force to the stem via the handle to remove the sealant plug from the nozzle, when a sufficient part of the thread has engaged the sealant plug. A sheath may be provided.
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