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2 237 783

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IPC

(21) (22)

Application

2003101754/03, 2003-01-21

(24)

Start date

2003-01-21

(22)

Actual filing date

2003-01-21

(45)

Published

2004-10-10

(72)

Inventor

Ivanov V.A.Kochurova V.V.Serebrennikov D.A.

(73)

Holder

Gosudarstvennoe Obrazovatel'Noe Uchrezhdenie Vysshego Professional'Nogo Obrazovanija Tjumenskij Gosudarstvennyj Neftegazovyj Universitet

DEVICE FOR TRENCHLESS LAYING OF POLYETHYLENE PIPELINES Russian patent published in 2004 - IPC

Abstract RU 2237783 C1

FIELD: dredgers or soil-shifting machines.

SUBSTANCE: device has base machine, ripper with bearing rollers, and guiding duct arranged behind the ripper. The device also has the pressing roller which is mounted for engaging the pipe in laying pipeline. The diameter of the pressing roller corresponds to the diameter of the bearing rollers mounted on the shaft of the pressing roller.

EFFECT: enhanced quality of laying.

4 dwg

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RU 2 237 783 C1

Authors

Ivanov V.A.

Kochurova V.V.

Serebrennikov D.A.

Dates

2004-10-10—Published

2003-01-21—Filed