FIELD: pipe line engineering. SUBSTANCE: pipe with a polymeric shell is provided with tips, which lock the shell at the ends of the pipe. The polymeric shell has perforation holes arranged along the length. The slot space between the pipe and polymeric shell is filled with a corrosion inhibitor. EFFECT: increased longevity. 1 dwg
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Authors
Dates
1997-12-27—Published
1995-06-06—Filed