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2 137 974

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C1

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IPC

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Application

98106427/06, 1998-03-23

(24)

Start date

1998-03-23

(22)

Actual filing date

1998-03-23

(45)

Published

1999-09-20

(72)

Inventor

Ajduganov V.M.Chakheev S.L.Volkova L.I.Starshov M.I.Shamsutdinov I.G.

(73)

Holder

Obshchestvo S Ogranichennoj Otvetstvennost'Ju Tsentr"

METHOD OF LINING FITTINGS WITH THERMOPLASTIC ENVELOPE Russian patent published in 1999 - IPC

Abstract RU 2137974 C1

FIELD: erection of pipe lines. SUBSTANCE: tubular branch pipes made from thermoplastic material are inserted into metal welded fittings. Butts of branch pipes are connected by welding due to transfer of heat from zone of well of metal fitting heated to 180-240 C. EFFECT: facilitated procedure of applying coat on fittings. 9 dwg

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RU 2 137 974 C1

Authors

Ajduganov V.M.

Chakheev S.L.

Volkova L.I.

Starshov M.I.

Shamsutdinov I.G.

Dates

1999-09-20—Published

1998-03-23—Filed

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