METHOD OF MANUFACTURE OF METAL-FIBER-REINFORCED PLASTIC PIPE Russian patent published in 1998 - IPC

Abstract RU 2115554 C1

FIELD: gas and oil producing industry; erection of pipe lines for transportation of technological fluids. SUBSTANCE: method consists in placing the plastic envelope in metal pipe at clearance and sealing up the circular space. Then pressure is smoothly raised inside plastic envelope at simultaneously throttling the pressure from circular space till plastic envelope gets in contact with metal pipe, after which circular space is evacuated. EFFECT: enhanced resistance to corrosion. 1 dwg

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RU 2 115 554 C1

Authors

Takhautdinov Sh.F.

Zagirov M.M.

Zherebtsov E.P.

Zaljatov M.M.

Kalachev I.F.

Dates

1998-07-20Published

1997-04-18Filed