| 摘要 |
<p>The invention concerns a device for centring (6) two pipe elements (1, 5) to be butted together by welding the two ends comprising a central body (4) supporting a plurality of clamps (6a-6b, 61-64), said clamps including: circular-shaping clamps (6a-6b) in at least one pair of central section planes (7a-7b), and clamps (61-64) arranged in at least a pair of end planes (7c, 7d), said clamps being adapted to be locked against the inner wall of said pipe without deforming it, by definitively fixing the geometry of the pipe in its initial state that is before said end clamps (61-64) are actuated to be abutted against the wall.</p> |
