| 摘要 |
<p>The invention relates to a device for joining ducts by means of electro-welding in order to join a first duct element (10) and a second duct element (20), in which the first element (10) is inserted at least partially into the second element (20). The device includes a sleeve (30) comprising embedded electrical heating means (32) and, during operation, the sleeve (30) is placed on the first element (10) and said sleeve (30) is inserted into the second element (20), such that at least part of the first element (10), at least part of the second element (20) and at least part of the electrical heating means (32) overlap one another and such that the terminals (34) can be accessed from outside the sleeve (30), the first element (10) and the second element (20).</p> |
