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2 079 033

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C1

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Application

93053882/06, 1993-12-03

(22)

Actual filing date

1993-12-03

(45)

Published

1997-05-10

(72)

Inventor

Vojnov A.K.Olovjanishnikov V.F.Zakharov A.A.Glushchenkov V.A.Pesotskij V.I.Kakovkin D.A.Chernov A.V.

(73)

Holder

Nauchno-Proizvodstvennaja Assotsiatsija

METHOD OF JOINING PIPES WITH INNER COVERING Russian patent published in 1997 - IPC

Abstract RU 2079033 C1

FIELD: construction and repairing of pipe lines. SUBSTANCE: bushing made of a corrosion resistance material is received in pipes. The butt-joint is welded and, in the zone of the weld, the bushing is pressed in by way of magnetic pulse expansion. EFFECT: simplified method. 4 cl, 9 dwg

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RU 2 079 033 C1

Authors

Vojnov A.K.

Olovjanishnikov V.F.

Zakharov A.A.

Glushchenkov V.A.

Pesotskij V.I.

Kakovkin D.A.

Chernov A.V.

Dates

1997-05-10—Published

1993-12-03—Filed

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