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2 264 538

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IPC

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Application

2004112249/03, 2004-04-23

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Start date

2004-04-23

(22)

Actual filing date

2004-04-23

(45)

Published

2005-11-20

(72)

Inventor

Krutov V.K.Gil'Shtejn S.R.Stogov S.N.Kabanov V.E.Feklin E.A.Antipov E.V.Popov A.V.

(73)

Holder

Obshchestvo S Ogranichennoj Otvetstvennost'Ju Po Stroitel'Stvu Nefteprovodov, Gazoprovodov I Drugikh Inzhenernykh Kommunikatsij, Sooruzhaemykh Pod Iskusstvennymi I Estestvennymi Pregradami"

TUNNEL SHIELD Russian patent published in 2005 - IPC

Abstract RU 2264538 C1

FIELD: underground building, particularly tunnel shields used to drive tunnels of square cross-sections.

SUBSTANCE: device has body of square cross-section with rounded corners and ground excavation unit made as rotor with cutting members connected to end and cylindrical surfaces thereof. Device also has cutting members made as inserted blades secured in corners of end body surface and inclined walls, which are arranged between body and partition.

EFFECT: simplified structure and increased operational reliability.

3 dwg

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RU 2 264 538 C1

Authors

Krutov V.K.

Gil'Shtejn S.R.

Stogov S.N.

Kabanov V.E.

Feklin E.A.

Antipov E.V.

Popov A.V.

Dates

2005-11-20—Published

2004-04-23—Filed