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2 090 281

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IPC

(21) (22)

Application

96114686/02, 1996-08-05

(22)

Actual filing date

1996-08-05

(45)

Published

1997-09-20

(72)

Inventor

Alekperov V.Ju.Maganov R.U.Jakovlev V.V.

(73)

Holder

Aktsionernoe Obshchestvo Otkrytogo Tipa

METHOD OF MAKING WELDED STEEL TUBES Russian patent published in 1997 - IPC

Abstract RU 2090281 C1

FIELD: plastic metal working, namely welded steel tube production. SUBSTANCE: method of making welded steel tubes comprises steps of heating strip edges, shaping and welding strip at heating its edges up to 300±20 C. EFFECT: enhanced efficiency.

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RU 2 090 281 C1

Authors

Alekperov V.Ju.

Maganov R.U.

Jakovlev V.V.

Dates

1997-09-20—Published

1996-08-05—Filed

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