Show metadata Hide metadata

(19)

(11)

2 243 345

(13)

(51)

IPC

(21) (22)

Application

2003118949/03, 2003-06-24

(24)

Start date

2003-06-24

(22)

Actual filing date

2003-06-24

(45)

Published

2004-12-27

(72)

Inventor

Vorob'Ev V.N.Rozhentsov V.F.Zaslov V.Ja.Aristov V.A.Trofimov S.N.

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Proektno-Konstruktorskij Institut Gornogo I Obogatitel'Nogo Mashinostroenija"

DRILLING TOOL Russian patent published in 2004 - IPC

Abstract RU 2243345 C1

FIELD: drilling equipment.

SUBSTANCE: invention relates to devices for drilling large-diameter wells by gang of pneumatic strikers. Proposed drilling tool contains housing with pneumatic strikers connected by manifold and crown bits installed on pneumatic strikers for free and rotation around their axles. Crown bits have taper working part whose height exceeds free travel of crown bit in pneumatic striker.

EFFECT: improved efficiency of drilling owing to provision of uniform drilling of hole and rotation of device in rocks on different strength and sate.

2 dwg

Similar patents RU2243345C1

Title	Year	Author	Number
PNEUMATIC PERCUSSIVE DEVICE	0	Morzharetto Albert Aleksandrovich Chuvilin Anatolij Mikhajlovich Makhotkin Mikhail Vasilevich Chebanov Vasilij Ivanovich Savchenko Evgenij Mikhajlovich Zarubin Mikhail Semenovich Polishchuk Nikolaj Matveevich Zubkov Aleksandr Petrovich	SU941567A1
DRILLING DEVICE	1990	Samokhin G.V.	RU2026482C1
HOLE REAMER	0	Kurdyukov Aleksandr Safronovich Plekhanov Ilya Danilovich Selivanov Valerij Fedorovich Kostin Aleksandr Fedorovich Dajbov Sergej Viktorovich	SU1257157A1
AIR HAMMER FOR BOREHOLE REAMER	0	Glazkov Valerij Viktorovich Kurdyukov Aleksandr Safronovich Plekhanov Ilya Danilovich Dajbov Sergej Viktorovich Yakimov Vadim Petrovich Galitskov Gennadij Aleksandrovich Osipov Aleksandr Anatolevich	SU1728465A1
HOLE REAMER	0	Selivanov Valerij Fedorovich Plekhanov Ilya Danilovich Glazkov Valerij Viktorovich Kurdyukov Aleksandr Safronovich Kostin Aleksandr Fedorovich	SU1738990A1
SUBMERSIBLE DRILLING TOOL	1991	Beljaev N.A.	RU2010961C1
WELL EXPANDER	0	Lysokon Vladimir Ivanovich Mukhin Zhores Grigorevich Vlasov Vladimir Nikiforovich Novozhenin German Petrovich Gajdin Pavel Tikhonovich Shchukin Anatolij Pavlovich	SU1129319A1
HOLE REAMER	0	Belyaev Nikolaj Aleksandrovich Gaun Viktor Aleksandrovich Belousov Anatolij Vasilevich Bolotnov Igor Ivanovich	SU1680926A1
GEAR TO DRILL HOLES	2000	Vorob'Ev V.N. Rozhentsov V.F. Avdonin Ju.F. Zaslov V.Ja.	RU2186925C2
DRILLING, BLASTING AND MECHANICAL METHOD FOR SPEED ARRANGEMENT OF UNDERGROUND MINES IN STRONG ROCKS	2012	Gabov Viktor Vasil'Evich Gorshkov Lev Kapitonovich Menzhulin Mikhail Georgievich Nezametdinov Ajdar Barievich Kustrikov Ehduard Vladimirovich	RU2513579C1

RU 2 243 345 C1

Authors

Vorob'Ev V.N.

Rozhentsov V.F.

Zaslov V.Ja.

Aristov V.A.

Trofimov S.N.

Dates

2004-12-27—Published

2003-06-24—Filed