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Machine translation
1. (WO1999006193) ROTARY DRILL ARRANGEMENT
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/1999/006193    International Application No.:    PCT/US1998/015777
Publication Date: 11.02.1999 International Filing Date: 30.07.1998
Chapter 2 Demand Filed:    12.02.1999    
IPC:
E21B 10/14 (2006.01), E21B 10/20 (2006.01), E21B 10/28 (2006.01), E21B 10/42 (2006.01), E21B 17/046 (2006.01)
Applicants: BRIESE, Leonard, Arden [US/US]; (US)
Inventors: BRIESE, Leonard, Arden; (US)
Agent: FINKELSTEIN, Don, B.; Law Offices of Don Finkelstein Suite 216 3858 Carson Street Torrance, CA 90503 (US)
Priority Data:
08/905,031 01.08.1997 US
Title (EN) ROTARY DRILL ARRANGEMENT
(FR) SYSTEME DE PERFORATRICE A ROTATION
Abstract: front page image
(EN)A rotary drill arrangement (1) comprising a combination spade drill body having a rotational axis, a shank portion (3), and a generally planar spade cutter portion (5) with a pair of oppositely directed cutting edges (7) extending radially of the axis, and a rotatable frusto conical cutter (9) mounted on the spade cutter portion (5) adjacent the maximum radial extent of each cutting edge (7).
(FR)L'invention concerne un système de perforatrice à rotation comprenant un élément foret plat combiné, comprenant un axe de rotation, une partie porte-lame et une partie foret plat sensiblement planaire comprenant deux bords coupants d'orientation opposée, s'étendant radialement à partir de l'axe, ainsi qu'un élément de coupe rotatif tronconique fixé sur la partie du foret plat adjacente à la dimension radiale maximale de chaque bord de coupe.
Designated States: AL, AM, AT, AU, AZ, BA, BB, BG, BR, BY, CA, CH, CN, CU, CZ, DE, DK, EE, ES, FI, GB, GE, GH, GM, HR, HU, ID, IL, IS, JP, KE, KG, KP, KR, KZ, LC, LK, LR, LS, LT, LU, LV, MD, MG, MK, MN, MW, MX, NO, NZ, PL, PT, RO, RU, SD, SE, SG, SI, SK, SL, TJ, TM, TR, TT, UA, UG, US, UZ, VN, YU, ZW.
African Regional Intellectual Property Organization (GH, GM, KE, LS, MW, SD, SZ, UG, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, MD, RU, TJ, TM)
European Patent Office (AT, BE, CH, CY, DE, DK, ES, FI, FR, GB, GR, IE, IT, LU, MC, NL, PT, SE)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GW, ML, MR, NE, SN, TD, TG).
Publication Language: English (EN)
Filing Language: English (EN)