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2 011 831

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C1

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IPC

(21) (22)

Application

4950321/03, 1991-06-26

(22)

Actual filing date

1991-06-26

(45)

Published

1994-04-30

(72)

Inventor

Bykov S.V.Bernatskij V.A.Dronov V.A.Myshljaev B.K.

(73)

Holder

Gosudarstvennyj Proektno-Konstruktorskij I Ehksperimental'Nyj Institut Ugol'Nogo Mashinostroenija

TUNNELLING UNIT Russian patent published in 1994 - IPC

Abstract RU 2011831 C1

FIELD: underground construction. SUBSTANCE: tunnelling unit includes erector arm tunnel driver with mechanism for installing of lining blocks, tunnelling machines, scraper and frame with supports, recesses, and bracing mechanism with hydraulic jacks and support units. The latter are located in frame recesses and connected with frame by means of upper and lower jacks. Each support unit includes roofing with rear canopy, hydraulic prop and base. Support unit jacks may successively advance towards face as working arch becomes exposed and move frame together with tunnelling machines towards new face. EFFECT: higher efficiency. 6 dwg

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RU 2 011 831 C1

Authors

Bykov S.V.

Bernatskij V.A.

Dronov V.A.

Myshljaev B.K.

Dates

1994-04-30—Published

1991-06-26—Filed

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