| 摘要 |
<p>A device (1) for expanding a pipe comprising a bi-conical sleeve (3) having a first section (5) and a second section (11), which sections (5, 11) are provided with at least two longitudinal guide channels (20), first wedges (25), wherein each first wedge (25) tapers into the direction in which the first section (5) widens and is provided with a support element (26) that co-operates with the corresponding longitudinal guide channel of the first section (5), second wedges (30), wherein each second wedge (30) tapers into the direction in which the second section (11) widens and is provided with a support element (31) that co-operates with the corresponding longitudinal guide channel (20) of the second section (11), and means for moving the wedges (25, 30) into each other.</p> |
