PIPES INNER SURFACE GLAZING METHOD Russian patent published in 1996 - IPC

Abstract RU 2057818 C1

FIELD: pipelines transportation. SUBSTANCE: method provides for glass granules introduction and distributing along pipe, pipe heating up to temperature of glass granules melting with simultaneous pipe rotation and motion through zone of heating and following pipe cooling. The new thing is the fact that in zone of heating glass granules are blown through with gas-shaped oxidizer. EFFECT: method allows to produce monolithic coating, that is adhesively connected with pipe wall.

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RU 2 057 818 C1

Authors

Timokhin M.A.

Andreev I.F.

Galimov R.Kh.

Nerzhavin N.L.

Valeev G.G.

Stebletsov A.G.

Dates

1996-04-10Published

1993-05-25Filed