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2 103 592

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Application

95101140/06, 1995-01-26

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Actual filing date

1995-01-26

(45)

Published

1998-01-27

(72)

Inventor

Vojnov A.K.Olovjanishnikov V.F.Zakharov A.A.Glushchenkov V.A.Karpukhin V.F.Starchenko A.N.Kakovkin D.A.Chernov A.V.

(73)

Holder

Nauchno-Proizvodstvennaja Assotsiatsija

METHOD OF CORROSION PROTECTION OF PIPE LINE WELDED JOINT Russian patent published in 1998 - IPC

Abstract RU 2103592 C1

FIELD: corrosion protection of welded seams in erection and repair of pipe lines. SUBSTANCE: prior to welding the pipes, circular blanks made from deformable protector alloys are placed at preset distance from ends of pipes and are secured by means of magnetic-discharge welding. Eatable protectors may be multi-layer and single-layer in form; protectors are made from aluminium alloys of different degree of deformation. EFFECT: enhanced reliability. 3 cl, 5 dwg

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RU 2 103 592 C1

Authors

Vojnov A.K.

Olovjanishnikov V.F.

Zakharov A.A.

Glushchenkov V.A.

Karpukhin V.F.

Starchenko A.N.

Kakovkin D.A.

Chernov A.V.

Dates

1998-01-27—Published

1995-01-26—Filed

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