| 摘要 |
<p>A drive plug device for driving a tool or other equipment within a pipe with at least one transition (3) from a larger pipe diameter (1) to a smaller pipe diameter (2), said drive plug being at least two-part, comprising at least a sleeve plug (4) with an outer diameter adapted to the larger pipe (1) and an internal diameter adapted to the smaller pipe (2), so that a core plug (12) can be placed in a sleeve (5) in the sleeve plug (4) and is arranged to be pushed from the sleeve (5) into the smaller pipe (2) when the sleeve plug (4) abuts the transition (3).</p> |
