METHOD FOR PREPARING AND WORKING OUT LOW AND MIDDLE HOLLOW SEAM Russian patent published in 1997 - IPC

Abstract RU 2072046 C1

FIELD: mining. SUBSTANCE: breakage and developing faces coupled in one drift are separated in space. Drilling rigs are installed under back cantilever of powered support. Anchors are installed using these rigs to suspend roof bars of drift support. EFFECT: higher efficiency. 2 cl, 11 dwg

Similar patents RU2072046C1

Title	Year	Author	Number
METHOD OF PREPARING TO MINING FLAT-LYING COAL SEAM	1995	Ryzhkov Vladimir Veniaminovich Artem'Ev Vladimir Borisovich Ponomarev Evgenij Borisovich	RU2086765C1
METHOD OF FULL DEVELOPMENT OF GENTLY SLOPING COAL BEDS WITH POWER-DRIVEN SYSTEMS WITHOUT ANY PREPARATORY MINE WORKINGS	2010	Rozenbaum Mark Abramovich Gromov Jurij Viktorovich Shabarov Arkadij Nikolaevich Vlasenko Dmitrij Sergeevich Baskakov Vladimir Petrovich	RU2444624C1
METHOD OF MINING COAL SEAMS	0	Lukyanov Pavel Fedorovich Ryzhkov Yurij Aleksandrovich Kretov Boris Kuzmich	SU1728488A1
METHOD FOR EXTRACTING MASSIVE SLOPING COAL BED BY HORIZONTAL DESCENDING LAYERS WITH FULL FILLING OF EXTRACTED SPACE	2002	Mashkovtsev I.L. Mashkovtsev B.I. Deb S.N. Mushfikur Rakhman Zakir Khossejn	RU2233983C1
SHAFT-SINKING COMPLEX	1990	Khrebto I.F. Birjukov V.I. Khrebto S.I.	RU2006584C1
OPEN-UNDERGROUND MINING OF COAL SEAMS	2013		RU2524709C2
METHOD FOR DEVELOPMENT OF THIN AND VERY THIN COAL BEDS	2020	Stroiakovskiy Lev Meerovich Feshchenko Aleksey Nikolaevich Tsupko Valeriy Aleksandrovich Kosarev Ivan Vasilevich Volotov Aleksandr Evgenevich Chaikov Evgeniy Mikhailovich	RU2743721C1
METHOD OF SLANT COAL SEAMS DEVELOPMENT	1994	Torf Julij Davidovich Lukashev Gennadij Egorovich Dmitriev Gennadij Pavlovich Kodolov Oleg Mikhajlovich El'Chaninov Evgenij Aleksandrovich	RU2068498C1
METHOD FOR FORMING A DISMANTLING CHAMBER WHEN DEVELOPING SLIM COAL BEDS	2020	Karpov Grigorii Nikolaevich Kovalskii Evgenii Rostislavovich Nosov Aleksandr Alekseevich	RU2743162C1
METHOD FOR UNDERGROUND DEVELOPMENT OF FLAT COAL BEDS PRONE TO SPONTANEOUS IGNITION	2019	Golubev Dmitrij Dmitrievich Sidorenko Andrej Aleksandrovich Dmitriev Pavel Nikolaevich	RU2726752C1

RU 2 072 046 C1

Authors

Ryzhkov Vladimir Veniaminovich

Dates

1997-01-20—Published

1994-02-08—Filed