SUPPORT OF ROLLING CUTTER DRILLING BIT Russian patent published in 1994 - IPC

Abstract RU 2023857 C1

FIELD: drilling equipment. SUBSTANCE: rollers 5 are comprised of thin-walled shells with flexible inserts 6, e.g. of rubber. Inserts may be longer or shorter than shell 5. Thickness of shell wall may vary from 0.1 to 0.2 the roller diameter. EFFECT: reduced contact loads and inertia of rollers, improved damping of impacts. 4 cl, 3 dwg

Similar patents RU2023857C1

Title	Year	Author	Number
ROCK-ROLLER BIT BEARING STRUCTURE	2006	Ryl'Tsev Igor' Konstantinovich Zhuravlev Andrej Nikolaevich Tolokonnikov Sergej Vasil'Evich	RU2332552C2
ROLLER-CUTTER DRILLING BIT SUPPORT	0	Popov Aleksandr Nikolaevich	SU1808962A1
CONE OF DRILL BIT	0	Popov Aleksandr Nikolaevich Nazarov Aleksandr Mikhajlovich Porozov Evgenij Matveevich Budin Vladimir Petrovich	SU1810467A1
SUPPORT OF ROLLING CUTTER BIT	1997	Komm Eh.L.	RU2115795C1
FACILITY FOR WELL DRILLING (VERSIONS)	2007	Panin Nikolaj Mitrofanovich Tatarchuk Jurij Serafimovich Egorov Nikolaj Gavrilovich Kozyrev Nikolaj Ivanovich Lel'Evr Anatolij Vladimirovich Slutskij Arkadij Il'Ich	RU2344265C1
ROTARY DRILL BIT BEARING	0	Basanov Yurij Ivanovich Borisov Nikolaj Anatolevich	SU802503A1
ROLLING-CUTTER DRILLING BEARING	0	Popov Aleksandr Nikolaevich	SU1798471A1
DRILLING BIT WITH SUPPORT SEALING	2004	Bogomolov Rodion Mikhajlovich Ishchuk Andrej Georgievich Gavrilenko Mikhail Viktorovich Neupokoev Vladimir Gennad'Evich Morozov Leonid Vladimirovich Mokrousov Vjacheslav Petrovich	RU2269635C1
CONE BIT SUPPORT	2013	Bogomolov Rodion Mikhajlovich Grinev Aleksej Mikhajlovich	RU2549631C2
DRILL ROLLER BIT	2005	Kremlev Vitalij Igorevich Panin Nikolaj Mitrofanovich	RU2298632C1

RU 2 023 857 C1

Authors

Popov A.N.

Lipatov V.I.

Grinenko L.V.

Dates

1994-11-30—Published

1990-12-29—Filed