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2 086 747

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IPC

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Application

95104831/03, 1995-04-03

(22)

Actual filing date

1995-04-03

(45)

Published

1997-08-10

(72)

Inventor

Ishbaev G.G.Baluta A.G.Mavljutov M.R.Akchurin Kh.I.Alekseev L.A.

(73)

Holder

Nauchno-Proizvodstvennoe Predprijatie

DRILL BIT OF CUTTING-BREAKING ACTION Russian patent published in 1997 - IPC

Abstract RU 2086747 C1

FIELD: drilling equipment for mine industry. SUBSTANCE: drill bit has hollow body with central flushing passage, rock crushing blades fastened to bit body, and central hydrodynamic emitter in the form of cylindrical vortex chamber with tangentially located outlet passages with swirling parameter equal to A = 1.5, and outlet nozzle made in the form of flexible pipe union. EFFECT: high efficiency. 3 dwg

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RU 2 086 747 C1

Authors

Ishbaev G.G.

Baluta A.G.

Mavljutov M.R.

Akchurin Kh.I.

Alekseev L.A.

Dates

1997-08-10—Published

1995-04-03—Filed

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