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2 123 092

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IPC

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Application

96118206/03, 1996-09-11

(22)

Actual filing date

1996-09-11

(45)

Published

1998-12-10

(72)

Inventor

Gumerov A.G.Gumerov R.S.Azmetov Kh.A.Sabirov U.N.Khoperskij G.G.

(73)

Holder

Institut Problem Transporta Ehnergoresursov

METHOD OF PREPARING TRENCH BOTTOM Russian patent published in 1998 - IPC

Abstract RU 2123092 C1

FIELD: construction of pipelines, mainly, made of steel; applicable in insulating and laying of pipelines and also in major repairs of pipelines. SUBSTANCE: method includes formation of bed for pipeline with subsequent laying of pipeline; preliminary laying on trench bottom of noninsulated pipeline, filling trench with ground to cover half of its diameter; compaction of ground on both sides of pipeline to form pipeline bed. Then pipeline is lifted to perform its insulation and repeated laying. EFFECT: higher efficiency of the method due to preservation of insulated coating of pipeline from damage during insulation-and-laying jobs and maintenance of pipeline. 2 dwg

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RU 2 123 092 C1

Authors

Gumerov A.G.

Gumerov R.S.

Azmetov Kh.A.

Sabirov U.N.

Khoperskij G.G.

Dates

1998-12-10—Published

1996-09-11—Filed

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