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2 208 735

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IPC

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Application

2001112857/06, 2001-05-08

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Start date

2001-05-08

(22)

Actual filing date

2001-05-08

(45)

Published

2003-07-20

(72)

Inventor

Maganov R.U.Nekrasov V.I.Vjatchinin M.G.Lesnichij V.F.Injushin N.V.Larionov A.F.

(73)

Holder

Obshchestvo S Ogranichennoj Otvetstvennost'Ju Sibir'"

METHOD OF MANUFACTURE OF COMBINED PIPE Russian patent published in 2003 - IPC

Abstract RU 2208735 C2

FIELD: manufacture of plastic articles and long-cut biplastic pipes. SUBSTANCE: proposed method includes application of primary layer on polyethylene tubular blank, winding fibrous composite material on this layer and heat treatment followed by polymerization and building-in of pipe components. In the course of heat treatment, first polymerization of at least part of layer of composite material is performed, after which polymerization of remaining part of composite material and building-in of pipe components are performed. EFFECT: enhanced reliability. 1 dwg _

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RU 2 208 735 C2

Authors

Maganov R.U.

Nekrasov V.I.

Vjatchinin M.G.

Lesnichij V.F.

Injushin N.V.

Larionov A.F.

Dates

2003-07-20—Published

2001-05-08—Filed

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