METHOD OF LINING METAL PIPES WITH PLASTIC ENVELOPE Russian patent published in 1999 - IPC

Abstract RU 2141599 C1

FIELD: pipe line transport. SUBSTANCE: projecting ends of plastic envelope are secured against longitudinal shaft relative to pipe by means of bushes made from corrosion-resistant metal. Then shoulders are molded by melting the projecting ends of plastic envelope to level of outer diameter of metal pipe and thread is cut on outer surfaces of shoulders and on ends of metal pipe. EFFECT: enhanced reliability. 4 dwg

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RU 2 141 599 C1

Authors

Ajduganov V.M.

Starshov M.I.

Ajduganova N.M.

Rabinzon O.V.

Dates

1999-11-20—Published

1998-05-28—Filed