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1. (WO2016102261) DRILL RING FOR A CORE DRILL BIT
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/2016/102261    International Application No.:    PCT/EP2015/079936
Publication Date: 30.06.2016 International Filing Date: 16.12.2015
IPC:
B28D 1/04 (2006.01), B28D 1/12 (2006.01)
Applicants: HILTI AKTIENGESELLSCHAFT [LI/LI]; Feldkircherstr. 100 9494 Schaan (LI)
Inventors: MUELLER, Matthias; (CH).
SONDEREGGER, Marcel; (CH)
Priority Data:
14199716.3 22.12.2014 EP
Title (DE) BOHRRING FÜR EINE KERNBOHRKRONE
(EN) DRILL RING FOR A CORE DRILL BIT
(FR) BAGUE DE CAROTTAGE POUR UNE COURONNE DE CAROTTAGE
Abstract: front page image
(DE)Bohrring (21) für eine zylinderförmige Kernbohrkrone, mit mindestens zwei Ringabschnitten (22.1, 23.1), die aus einem gesinterten Pulvergemisch (24, 26) und gesetzten Diamantpartikeln (25, 27) aufgebaut sind, wobei die Diamantpartikel (25, 27) in einer Ebene senkrecht zur Zylinderachse auf kreisförmigen Abtragbahnen (42, 43, 44, 45, 46, 47) angeordnet sind und die Ringabschnitte (22.1, 23.1) an den Seitenkanten miteinander verbunden sind.
(EN)The invention relates to a drill ring (21) for a cylindrical core drill bit, comprising at least two ring segments (22.1, 23.1) which are constructed from a sinterered powder mixture (24, 26) and specifically placed diamond particles (25, 27), said diamond particles (25, 27) being arranged on abrasion paths (42, 43, 44, 45, 46, 47) in a plane perpendicular to the cylinder axis and the ring segments (22.1, 23.1) being connected to each other on their lateral edges.
(FR)Bague de carottage (21) pour une couronne de carottage cylindrique, qui comporte au moins deux segments (22.1, 23.1) de bague constitués d'un mélange de poudre (24, 26) fritté dans lequel sont fixées des particules de diamant (25, 27), lesdites particules de diamant (25, 27) étant disposées dans un plan perpendiculaire à l'axe de cylindre sur des pistes d'enlèvement (42, 43, 44, 45, 46, 47) circulaires et les segments (22.1, 23.1) de bague étant reliés les uns aux autres au niveau de leur arêtes latérales.
Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JP, KE, KG, KN, KP, KR, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW.
African Regional Intellectual Property Organization (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG).
Publication Language: German (DE)
Filing Language: German (DE)