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2 150 582

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IPC

(21) (22)

Application

99103777/03, 1999-02-25

(24)

Start date

1999-02-25

(22)

Actual filing date

1999-02-25

(45)

Published

2000-06-10

(72)

Inventor

Stogov S.N.Semenov A.N.Gil'Shtejn S.R.Kulikov E.G.Krutov V.K.Kabanov V.E.

(73)

Holder

Stogov Sergej NikolaevichSemenov Aleksandr NikolaevichGil'Shtejn Sergej RobertovichKulikov Evgenij Grigor'EvichKrutov Valentin KonstantinovichKabanov Vladimir Efimovich

TUNNEL SHIELD Russian patent published in 2000 - IPC

Abstract RU 2150582 C1

FIELD: underground construction, particularly, tunnel shields; applicable in construction of tunnels of different applications on areas with different types of ground. SUBSTANCE: tunnel shield has partition separating face zone and zone of working personnel, working member for ground excavation, loading conveyer and reloader with hollows for ground. Reloader is made in the form of immovable cylindrical drum whose bases are located at an acute angle to shield longitudinal axis, and hollows are formed by blades of impeller mounted on shaft with drive. Sealing flexible members are located between surfaces of impeller blades and drum internal surfaces. EFFECT: higher operating reliability and productivity of shield in operation on areas with different types of ground. 5 dwg

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RU 2 150 582 C1

Authors

Stogov S.N.

Semenov A.N.

Gil'Shtejn S.R.

Kulikov E.G.

Krutov V.K.

Kabanov V.E.

Dates

2000-06-10—Published

1999-02-25—Filed