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Machine translation
1. (WO2007078233) A ROCK DRILL TOOL, A ROCK DRILL BIT AND A PRODUCTION METHOD
Latest bibliographic data on file with the International Bureau   

Pub. No.: WO/2007/078233 International Application No.: PCT/SE2006/001451
Publication Date: 12.07.2007 International Filing Date: 20.12.2006
IPC:
E21B 17/04 (2006.01) ,E21B 17/046 (2006.01)
Applicants: NAVA, Peter[SE/SE]; SE (UsOnly)
SANDVIK INTELLECTUAL PROPERTY AB[SE/SE]; S-811 81 Sandviken, SE (AllExceptUS)
Inventors: NAVA, Peter; SE
Agent: TÅQUIST, Lennart; Sandvik Intellectual Property AB S-811 81 Sandviken, SE
Priority Data:
0502935-030.12.2005SE
Title (EN) A ROCK DRILL TOOL, A ROCK DRILL BIT AND A PRODUCTION METHOD
(FR) OUTIL DE FORAGE DE ROCHES, TREPAN DE FORAGE DE ROCHES ET PROCEDE DE PRODUCTION
Abstract: front page image
(EN) The present invention relates to a rock drill tool, which comprises a rock drill bit (1) as well as a drill rod (10) detachably connected with the rock drill bit, the joint between the rock drill bit (1) and the drill rod (10) being effected by means of a conical connection, the rock drill bit (1) being provided with a generally conical cavity (7), and the drill rod (10) having a generally conical portion (11). The conical cavity (7) is provided with a crest-shaped projection (9), which has a rectilinear extension along the envelope surface of the conical cavity (7), that the conical portion (11) has a groove (12), which has a generally rectilinear extension along the envelope surface of the conical portion (11), and that the crest-shaped projection (9) is received in the groove (12). The present invention also relates to a rock drill bit and a production method.
(FR) L’invention concerne un outil de forage de roches, comprenant un trépan (1) de forage de roches ainsi qu’une tige de forage (10) couplée de façon détachable au trépan de forage de roches, la jonction entre le trépan (1) de forage de roches et la tige de forage (10) se faisant au moyen d’un raccord conique, le trépan (1) de forage de roches étant pourvu d’une cavité généralement conique (7), et la tige de forage (10) présentant une partie généralement conique (11). L’outil de forage de roches est caractérisé en ce que la cavité conique (7) est pourvue d’une protubérance (9) en forme de crête qui s’étend de façon rectiligne le long de la surface enveloppe de la cavité conique (7) ; en ce que la partie conique (11) comprend une rainure (12) qui s’étend de façon généralement rectiligne le long de la surface enveloppe de la partie conique (11) ; et en ce que la protubérance (9) en forme de crête est reçue dans la rainure (12). L’invention concerne également un trépan de forage de roches et un procédé de production.
Designated States: AE, AG, AL, AM, AT, AU, AZ, BA, BB, BG, BR, BW, BY, BZ, CA, CH, CN, CO, CR, CU, CZ, DE, DK, DM, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IS, JP, KE, KG, KM, KN, KP, KR, KZ, LA, LC, LK, LR, LS, LT, LU, LV, LY, MA, MD, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PG, PH, PL, PT, RO, RS, RU, SC, SD, SE, SG, SK, SL, SM, SV, SY, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LS, MW, MZ, NA, SD, SL, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, MD, RU, TJ, TM)
European Patent Office (EPO) (AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HU, IE, IS, IT, LT, LU, LV, MC, NL, PL, PT, RO, SE, SI, SK, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, ML, MR, NE, SN, TD, TG)
Publication Language: English (EN)
Filing Language: English (EN)