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2 042 030

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IPC

(21) (22)

Application

5023597/03, 1992-01-24

(22)

Actual filing date

1992-01-24

(45)

Published

1995-08-20

(72)

Inventor

Birman Valerij AvraamovichLozovskij Anatolij JakovlevichPeregudov Aleksandr AlekseevichBorisov Vladimir IvanovichPeregudov Vladimir Vasil'EvichNikolenko Anatolij JakovlevichJakimov Vadim Petrovich

(73)

Holder

Birman Valerij AvraamovichLozovskij Anatolij JakovlevichPeregudov Aleksandr AlekseevichBorisov Vladimir IvanovichPeregudov Vladimir Vasil'EvichNikolenko Anatolij JakovlevichJakimov Vadim Petrovich

CONE DRILL BIT Russian patent published in 1995 - IPC

Abstract RU 2042030 C1

FIELD: mining industry. SUBSTANCE: each connector of cone drill bit has depression 5 over its height directed inside the undercone space. There is port 7 in point of adjoining connector 4 to area of conjugation of lugs 1. Depression may be made in the middle part of connector 4 parallel to bit axis. Port 7 may be located in place of depression 5 which may be with right-hand inclination to bit axis. EFFECT: higher efficiency. 3 cl, 3 dwg

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RU 2 042 030 C1

Authors

Birman Valerij Avraamovich

Lozovskij Anatolij Jakovlevich

Peregudov Aleksandr Alekseevich

Borisov Vladimir Ivanovich

Peregudov Vladimir Vasil'Evich

Nikolenko Anatolij Jakovlevich

Jakimov Vadim Petrovich

Dates

1995-08-20—Published

1992-01-24—Filed