B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
154/53.21
B29C 63/18 (2006.01) B29C 63/00 (2006.01) B29C 63/36 (2006.01) B29C 63/48 (2006.01) F16L 58/00 (2006.01) F16L 58/10 (2006.01) F16L 59/147 (2006.01)
Patent
CA 1282308
METHOD OF INTERNAL ANTICORROSIVE PROTECTION OF PIPELINES ABSTRACT A method of internal anticorrosive protection of a pipeline comprises the steps of introducing a fle- xible hose into a pipeline, pushing said hose forward and pressing said hose against the internal surface of the pipeline by building up excess pressure in the space between the hose and the pipe. The hose is pressed against the internal surface of the pipe and, simultaneously, the pipe is heated from inside, the pressure on both sides of the hose introduced into the pipeline being suitably regulated.
493130
Kryazhevskikh Nikolai F.
Shishkin Viktor V.
Kryazhevskikh Nikolai F.
Shishkin Viktor V.
Swabey Ogilvy Renault
Trest "juzhvodoprovod"
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