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1. (WO1991005919) DEVICE FOR MAKING HOLES IN THE GROUND
Latest bibliographic data on file with the International Bureau

Pub. No.: WO/1991/005919 International Application No.: PCT/SU1989/000265
Publication Date: 02.05.1991 International Filing Date: 16.10.1989
IPC:
E21B 7/30 (2006.01)
E FIXED CONSTRUCTIONS
21
EARTH OR ROCK DRILLING; MINING
B
EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
7
Special methods or apparatus for drilling
28
Enlarging drilled holes, e.g. by counterboring
30
without earth removal
Applicants:
MOSKOVSKOE NAUCHNO-PROIZVODSTVENNOE OBIEDINENIE PO MEKHANIZIROVANNOMU STROITELNOMU INSTRUMENTU I OTDELOCHNYM MASHINAM [SU/SU]; ul. Leningradskaya, 29 Moskovskaya obl. Khimki, 141400, SU (AllExceptUS)
DOBROSELSKY, Petr Vladimirovich [SU/SU]; SU (UsOnly)
NIKOLAEV, Igor Vladimirovich [SU/SU]; SU (UsOnly)
GOLDSHTEIN, Boris Grigorievich [SU/SU]; SU (UsOnly)
DEMENTIEV, Sergei Igorevich [SU/SU]; SU (UsOnly)
VERGANOVSKY, Vasily Grigorievich [SU/SU]; SU (UsOnly)
KORYSHEV, Sergei Alexandrovich [SU/SU]; SU (UsOnly)
SHABAT, Vladimir Elievich [SU/SU]; SU (UsOnly)
Inventors:
DOBROSELSKY, Petr Vladimirovich; SU
NIKOLAEV, Igor Vladimirovich; SU
GOLDSHTEIN, Boris Grigorievich; SU
DEMENTIEV, Sergei Igorevich; SU
VERGANOVSKY, Vasily Grigorievich; SU
KORYSHEV, Sergei Alexandrovich; SU
SHABAT, Vladimir Elievich; SU
Agent:
THE USSR CHAMBER OF COMMERCE AND INDUSTRY; ul. Kuibysheva, 5/2 Moscow, 103735, SU
Priority Data:
Title (EN) DEVICE FOR MAKING HOLES IN THE GROUND
(FR) DISPOSITIF PERMETTANT DE FAIRE DES TROUS DANS LE SOL
Abstract:
(EN) The device comprises a casing (42) on which is mounted a widener (43), a movable thrust element (44), a mechanism for moving the device in the ground and a pulling means (45). The widener (43) consists of separate sections (52) each of which is connected by one end (53) to the casing (42), the other end being mounted movably in relation to the casing (42). The thrust element (34) engages with the second end (15 or 36 or 56) of each section (10 or 34 or 52).
(FR) Le dispositif comprend une structure (42) sur laquelle est monté un élargisseur (43), un élément (44) de poussée mobile, un mécanisme destiné à déplacer le dispositif dans le sol, ainsi qu'un moyen (45) de tirage. Ledit élargisseur (43) se compose de parties (52) séparées, dont chacune est reliée par une extrémité (53) à ladite structure (42), l'autre extrémité étant montée mobile par rapport à ladite structure (42). Ledit élément (44) de poussée vient au contact de la seconde extrémité (15, 36, 56) de chaque partie (10 ou 34 ou 52).
Designated States: AU, JP, US
European Patent Office (AT, BE, CH, DE, FR, GB, IT, LU, NL, SE)
Publication Language: Russian (RU)
Filing Language: Russian (RU)
Also published as:
AU1990062992