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2 170 307

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IPC

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Application

98109018/03, 1998-05-08

(24)

Start date

1998-05-08

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Actual filing date

1998-05-08

(45)

Published

2001-07-10

(72)

Inventor

Khasanov A.Kh.Kul'Gil'Din S.G.Sammatov R.L.

(73)

Holder

Institut Problem Transporta Ehnergoresursov

DEVIDE FOR REMOVING SOIL FROM UNDER PIPELINES Russian patent published in 2001 - IPC

Abstract RU 2170307 C2

FIELD: repair of pipelines. SUBSTANCE: proposed device has single-bucket excavator, working tool housing mounted on excavator working equipment and device for orientation of tool housing relative to pipeline to be repaired. Housing of working tool is mounted on excavator bucket. Housing orientation device is made in form of L-shaped spring-loaded framework fastened on excavator working equipment stick. Orientation device framework has indicator in its lower part. Cursor is attached to platform or cabin of excavator, and plate with division marks is attached to frame opposite to cursor. EFFECT: simplified design, improved reliability in operation. 3 dwg

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RU 2 170 307 C2

Authors

Khasanov A.Kh.

Kul'Gil'Din S.G.

Sammatov R.L.

Dates

2001-07-10—Published

1998-05-08—Filed

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