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2 021 512

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IPC

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Application

4947321/03, 1991-02-20

(22)

Actual filing date

1991-02-20

(45)

Published

1994-10-15

(72)

Inventor

Chernej Eh.I.Khershberg B.L.Markov A.E.Chernej O.Eh.

(73)

Holder

Spetsial'Noe Konstruktorskoe Bjuro Proizvodstvennogo Ob"Edinenija

UNIT FOR MINING UNDERWATER FORMATIONS Russian patent published in 1994 - IPC

Abstract RU 2021512 C1

FIELD: mining. SUBSTANCE: unit has pipe strings of compressed air supply and pulp output. Pulp output pipe is connected by means of ball joint with working member in form of diffuser of hydroelevating nozzle and rope control system. Diffuser with hydroelevating nozzle is enclosed in ball space by means of truncated conical member which forms receiving chamber. EFFECT: higher efficiency. 2 cl, 4 dwg

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RU 2 021 512 C1

Authors

Chernej Eh.I.

Khershberg B.L.

Markov A.E.

Chernej O.Eh.

Dates

1994-10-15—Published

1991-02-20—Filed

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