B - Operations – Transporting – 21 – D
Patent
B - Operations, Transporting
21
D
B21D 39/04 (2006.01) F16L 13/14 (2006.01) F16L 13/16 (2006.01)
Patent
CA 2149335
2149335 9412295 PCTABS00032 In 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).
Andresen Werner J.
Krichau Peter
Gowling Lafleur Henderson Llp
Lindab A/s
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