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2 164 639

(13)

(51)

IPC

(21) (22)

Application

99115730/06, 1999-07-21

(24)

Start date

1999-07-21

(22)

Actual filing date

1999-07-21

(45)

Published

2001-03-27

(72)

Inventor

Ajduganov V.M.Chakheev S.L.Volkova L.I.Shmelev V.A.Drachuk V.R.Galjavetdinov S.G.

(73)

Holder

Obshchestvo S Ogranichennoj Otvetstvennost'Ju Tsentr"

METHOD OF CONNECTING METAL PARTS WITH INTERNAL ANTICORROSIVE COATING Russian patent published in 2001 - IPC

Abstract RU 2164639 C1

FIELD: pipeline transport. SUBSTANCE: method may be used for building of pipelines from pipes with internal anticorrosive coating. External surfaces of ends of metal pipes carry bushings which are secured by reduction with simultaneous calibration of them over external diameter up to value which is larger than internal diameter of sleeve coupling. Metal pipes are jointed by press-fitting of bushings secured at ends of metal pipes into sleeve coupling. EFFECT: enhanced reliability of pipe joints. 8 cl, 4 dwg

Similar patents RU2164639C1

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RU 2 164 639 C1

Authors

Ajduganov V.M.

Chakheev S.L.

Volkova L.I.

Shmelev V.A.

Drachuk V.R.

Galjavetdinov S.G.

Dates

2001-03-27—Published

1999-07-21—Filed