FIELD: pipe line transport. SUBSTANCE: proposed pipe has sectional protective bushes concentrically located inside ends of pipe and fastened with it. These bushes consist of outer and inner rings. Outer rings are made by-multilayer winding of thin-walled metal band and applying two-sided coat made from protective material. EFFECT: enhanced corrosion protection; facilitated manufacture. 6 cl, 1 dwg
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|---|---|---|---|
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| PIPE LINED WITH METAL | 2002 |
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| PIPE WITH INNER PROTECTIVE COAT | 2000 |
|
RU2181458C2 |
