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2 037 721

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IPC

(21) (22)

Application

4917784/29, 1991-03-11

(22)

Actual filing date

1991-03-11

(45)

Published

1995-06-19

(72)

Inventor

Kalachev I.F.Zagirov M.M.Molchanov A.F.Popov V.I.Karabanov V.V.Ibragimov N.M.Zherebtsov E.P.Starochkin A.A.

(73)

Holder

Tatarskij Gosudarstvennyj Nauchno-Issledovatel'Skij I Proektnyj Institut Neftjanoj Promyshlennosti

METHOD OF JOINING OF METAL PIPES PROVIDED WITH THERMOPLASTIC LINING Russian patent published in 1995 - IPC

Abstract RU 2037721 C1

FIELD: construction of pipelines. SUBSTANCE: method of joining of metal pipes provided with thermoplastic lining includes joining of pipe ends, obtaining of joint weld, heating-up of lining material to its fluid state and pressing of lining material simultaneously with introduction of glass cloth and heat-resistant net into it. EFFECT: facilitated procedure. 2 dwg

Similar patents RU2037721C1

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METHOD OF PERMANENT JOINT OF LINED PIPES	1992	Kalachev I.F. Zagirov M.M. Kudrjashov N.N. Ignat'Ev I.A. Sitnikov A.N. Magalimov A.F. Rakhmanov R.M.	RU2037722C1
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RU 2 037 721 C1

Authors

Kalachev I.F.

Zagirov M.M.

Molchanov A.F.

Popov V.I.

Karabanov V.V.

Ibragimov N.M.

Zherebtsov E.P.

Starochkin A.A.

Dates

1995-06-19—Published

1991-03-11—Filed