| 摘要 |
<p>PCT No. PCT/DK93/00369 Sec. 371 Date May 18, 1995 Sec. 102(e) Date May 18, 1995 PCT Filed Nov. 11, 1993 PCT Pub. No. WO94/12295 PCT Pub. Date Jun. 9, 1994In this method a short pipe element (2) with a radially outwards directed bead (3) at its end rim (4) is inserted into a pipe, and a radially outwards directed bead (7, 8) is rolled in the other end (5) of the pipe element (2) and in the pipe (1), such that the pipe element is fixed inside the pipe. The pipe element (2) may before insertion into the pipe be provided with at least two radially outwards directed beads (9, 10), causing the pipe element after insertion to be tightly clamped and fixed inside the pipe, and the pipe element (2) may over a part of its outer surface be coated with a sealing material (13).</p> |
