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2 087 785

(13)

C1

(51)

IPC

(21) (22)

Application

93026956/06, 1993-05-12

(22)

Actual filing date

1993-05-12

(45)

Published

1997-08-20

(72)

Inventor

Permjakov N.G.Strikovskij L.L.

(73)

Holder

Institut Problem Transporta Ehnergoresursov

NONDETACHABLE PIPE JOINT Russian patent published in 1997 - IPC

Abstract RU 2087785 C1

FIELD: pipe line transport. SUBSTANCE: joint has locking member rigidly secured with a sleeve. The bushing consists of two portions the ends of which are connected with pipes. The portions of the bushings are welded to each other over the end face surfaces. There are stop surfaces at the ends of the bushing. The surfaces are conjugated with the locking members. The sleeve is made of metal. The ends of the bushing are connected with the pipes and their end face surfaces are butt-welded. EFFECT: enhanced reliability. 3 cl, 1 dwg

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RU 2 087 785 C1

Authors

Permjakov N.G.

Strikovskij L.L.

Dates

1997-08-20—Published

1993-05-12—Filed

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