METHOD OF MANUFACTURE OF PIPE FOR PIPELINE TRANSPORT Russian patent published in 2004 - IPC

Abstract RU 2223439 C2

FIELD: mechanical engineering. SUBSTANCE: according to proposed method, pliable thin-walled pipe is placed coaxially inside outer load-bearing pipe. Space between pipes is filled with gaseous medium under pressure. Inner pipeline is secured over perimeter to end face and to end of inner surface of outer pipe by explosion energy. EFFECT: reduced cost of manufacture, provision of joints of high strength and tightness. 3 dwg

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RU 2 223 439 C2

Authors

Stolbov V.I.

Ustinova O.V.

Dates

2004-02-10—Published

2002-03-19—Filed