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Application

96104804/06, 1996-03-12

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Actual filing date

1996-03-12

(45)

Published

1998-05-20

(72)

Inventor

Buldakov A.A.Mikhajljuk S.V.Mozerov B.G.Pokataev K.A.Tokarev A.N.Shilov A.A.Novikov P.A.Semenjuga V.V.Usoshin V.A.Sedykh A.D.Tychkin I.A.Jakovlev V.A.Fomin B.Ja.

(73)

Holder

Zakrytoe Aktsionernoe ObshchestvoDochernee Aktsionernoe Obshchestvo Otkrytogo Tipa

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

Abstract RU 2111403 C1

FIELD: manufacture of main pipe lines. SUBSTANCE: method includes fitting the metal tips in winding device, laying of at least one solid sealing layer, winding reinforcement impregnated with polymer on it and hardening during heating. Prior to laying the solid sealing layer on outer surfaces of tip, duplicating sealing layers which are not in contact with each other are laid on outer surfaces of tips. Then, separating layer is applied on them at spaced relation relative to outer edges. EFFECT: enhanced reliability. 4 cl, 3 dwg

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RU 2 111 403 C1

Authors

Buldakov A.A.

Mikhajljuk S.V.

Mozerov B.G.

Pokataev K.A.

Tokarev A.N.

Shilov A.A.

Novikov P.A.

Semenjuga V.V.

Usoshin V.A.

Sedykh A.D.

Tychkin I.A.

Jakovlev V.A.

Fomin B.Ja.

Dates

1998-05-20—Published

1996-03-12—Filed

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