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2 046 176

(13)

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IPC

(21) (22)

Application

5044109/03, 1992-05-26

(22)

Actual filing date

1992-05-26

(45)

Published

1995-10-20

(72)

Inventor

Balabashin B.P.Bikbulatov I.K.Ginzburg Eh.S.Dubrovin E.F.Torgashov A.V.Loginov A.A.Stekljanov B.L.

(73)

Holder

Spetsial'Noe Konstruktorskoe Bjuro Po Dolotam Samarskogo Dolotnogo Zavoda

DRILLING CUTTER BLOCK Russian patent published in 1995 - IPC

Abstract RU 2046176 C1

FIELD: drilling. SUBSTANCE: teeth 8 of drilling cutter block are located symmetrically about radius 7. Teeth 9, 10 are installed on crowns 5 and 6. Tangent slope on teeth 10 is pointed toward block revolution direction. Tangent slope on teeth 10 is pointed direction opposite the revolution. EFFECT: high efficiency. 11 dwg

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RU 2 046 176 C1

Authors

Balabashin B.P.

Bikbulatov I.K.

Ginzburg Eh.S.

Dubrovin E.F.

Torgashov A.V.

Loginov A.A.

Stekljanov B.L.

Dates

1995-10-20—Published

1992-05-26—Filed