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2 298 628

(13)

(51)

IPC

E21B3/02(2006-01-01)

E21B6/00(2006-01-01)

(21) (22)

Application

2005112952/03, 2005-04-28

(24)

Start date

2005-04-28

(22)

Actual filing date

2005-04-28

(45)

Published

2007-05-10

(72)

Inventor

Klishin Vladimir IvanovichFokin Jurij SerafimovichKokoulin Dan'Jar IvanovichKhen Oleg Givenovich

(73)

Holder

Institut Gornogo Dela Sibirskogo Otdelenija Rossijskoj Akademii Nauk Igd So RanOoo Sistemy Sibir'"

ANCHORING HOLE DRILLING RIG Russian patent published in 2007 - IPC E21B3/02 E21B6/00

Abstract RU 2298628 C2

FIELD: mining, particularly drilling equipment for anchoring hole drilling in solid rock.

SUBSTANCE: drilling rig comprises drill-rod, drill-rod rotator, feed-and-support means, pneumatic percussion means and holder with operating handles. Pneumatic percussion means is installed between drill-rod rotator and feed-and-support means.

EFFECT: increased efficiency and operational reliability due to elimination of tilting moment generated as a result of bottom reaction during drilling operation performing.

2 cl, 1 dwg

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RU 2 298 628 C2

Authors

Klishin Vladimir Ivanovich

Fokin Jurij Serafimovich

Kokoulin Dan'Jar Ivanovich

Khen Oleg Givenovich

Dates

2007-05-10—Published

2005-04-28—Filed