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2 171 413

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IPC

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Application

99100789/06, 1999-01-12

(24)

Start date

1999-01-12

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Actual filing date

1999-01-12

(45)

Published

2001-07-27

(72)

Inventor

Khasanov A.Kh.Kul'Gil'Din S.G.Gumerov A.G.

(73)

Holder

Institut Problem Transporta Ehnergoresursov

SELF-PROPELLED TRENCH TYPE HOIST FOR PIPE LINES Russian patent published in 2001 - IPC

Abstract RU 2171413 C2

FIELD: erection and repair of pipe lines. SUBSTANCE: hoist is designed for holding the pipe line in freely suspended state during its repair; hoist includes lifting support and head support interconnected by means of step- by-step motion hydraulic cylinder. Lifting support is provided with pipe line hoisting mechanism. Supports are moved in turn. In hoisting the pipe line, head support is unloaded by lifting support and is moved one step. After lowering the pipe line on head support, unloaded lifting support is moved by one step. EFFECT: extended range of application. 2 cl, 15 dwg

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RU 2 171 413 C2

Authors

Khasanov A.Kh.

Kul'Gil'Din S.G.

Gumerov A.G.

Dates

2001-07-27—Published

1999-01-12—Filed

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