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2 057 856

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C1

(51)

IPC

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Application

5039724/03, 1992-04-23

(22)

Actual filing date

1992-04-23

(45)

Published

1996-04-10

(72)

Inventor

Rejfisov Ju.B.Grigorashchenko V.A.Kurlenja M.V.Zemtsova A.E.Plavskikh V.D.

(73)

Holder

Institut Gornogo Dela So Ran

DEVICE FOR TRENCH FREE LAYING PIPELINES Russian patent published in 1996 - IPC

Abstract RU 2057856 C1

FIELD: pipeline laying. SUBSTANCE: device for trench free laying pipelines has impact mechanism, unit for connecting body of the impact mechanism to back end surface of the pipeline to be laid, and pneumatic impact drive provided jig for removing soil from internal cavity of the pipeline to be laid. Two barrel hoist is placed in input recess. A block is located in internal cavity of the pipeline to be laid. The block is kinematically related to the back end surface of the pipeline to be laid. Free end of a cable placed on one barrel is rigidly connected to the jig for soil removal. Cable related to the second barrel is bent around the block and its free end is rigidly connected to the jig for soil removal. EFFECT: high productivity. 3 cl, 1 dwg

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RU 2 057 856 C1

Authors

Rejfisov Ju.B.

Grigorashchenko V.A.

Kurlenja M.V.

Zemtsova A.E.

Plavskikh V.D.

Dates

1996-04-10—Published

1992-04-23—Filed

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