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2 054 094

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C1

(51)

IPC

(21) (22)

Application

5067495/33, 1992-08-19

(22)

Actual filing date

1992-08-19

(45)

Published

1996-02-10

(72)

Inventor

Odintsov L.A.Sammatov R.L.Kul'Gil'Din S.G.Kumylganov A.S.Latypov V.G.

(73)

Holder

Institut Problem Transporta Ehnergoresursov

DEVICE FOR DIGGING UNDER PIPELINES Russian patent published in 1996 - IPC

Abstract RU 2054094 C1

FIELD: pipeline building. SUBSTANCE: device for digging under pipelines include a mechanism to suspend grad equipment, two jaw gripping mechanism with pullers and a drive. One jaw is immovable and has roller support-guide curved path with the center coincident with pipe axis. The opposite jaw is movable and provided with revolution drive, a cutter and a slot that copies the path counter and roller support of the immovable jaw. Trajectory of cutter motion is tangential to support part of immovable jaw. EFFECT: safe digging under pipelines placed in a trench without force application to the pipeline, free of manual labour, ability to adjust load applied to the device depending on soil strength under the pipeline. 1 dwg

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RU 2 054 094 C1

Authors

Odintsov L.A.

Sammatov R.L.

Kul'Gil'Din S.G.

Kumylganov A.S.

Latypov V.G.

Dates

1996-02-10—Published

1992-08-19—Filed

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