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Application

95112786/03, 1995-07-25

(22)

Actual filing date

1995-07-25

(45)

Published

1998-05-20

(72)

Inventor

Zhuravlev Ju.P.Natfullin K.G.Chajkin V.G.

(73)

Holder

Tsentral'Nyj Nauchno-Issledovatel'Skij Institut Geologii Nerudnykh Poleznykh Iskopaemykh

SUCTION-TUBE DREDGER UNIT FOR MINERAL BOREHOLE MINING FROM PAYABLE BEDS WITH UNSTABLE ROOF Russian patent published in 1998 - IPC

Abstract RU 2111360 C1

FIELD: suction-tube dredger units for mineral borehole mining from payable beds with unstable roofs. SUBSTANCE: unit has supporting yoke from channels for suspension of suction-tube dredger laid on sleepers from pipes of calculated cross-section with quick-break joints with one another in longitudinal and transverse planes with the help of special connectors. EFFECT: higher efficiency. 1 dwg

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RU 2 111 360 C1

Authors

Zhuravlev Ju.P.

Natfullin K.G.

Chajkin V.G.

Dates

1998-05-20—Published

1995-07-25—Filed

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