BOPI 12 BR/2023 REPERTOIRE NUMERIQUE 41 Fig. 4A & Fig. 4B ________________________________________ (11) 21319 Consulter le mémoire (51) F42D 1/22 (2018.01) (21) 1202300294 (22) 26/07/2023 (30) ZA n° 2022/08616 du 02/08/2022 (54) A device for positioning and securing blast equipment in a blast hole. (72) LUBBE Gert Petrus (ZA) (73) Gert Petrus LUBBE, 74 Grietjie Hoewes, PHALABORWA, 1390 (ZA) (74) Cabinet ÉKÉMÉ LYSAGHT SARL, B.P. 6370, YAOUNDE (CM). (57) A device 10 for positioning and securing blast equipment in a blast hole (not shown) includes a primary receiving formation 12 configured and dimensioned to receive blast equipment (not shown) therein. The device is provided with outwardly biased gripping formations 14 extending from an outer wall 16 of the device 10 for in use engaging a wall of a blast hole, thereby securing the device 10 substantially centrally at a desired location in the blast hole. The device 10 further includes a secondary receiving formation 18 extending from the primary receiving formation 16. Fig. 5 ________________________________________ (11) 21320 Consulter le mémoire (51) E21B 17/03 (2018.01) ; E21B 17/042 (2018.01) (21) 1202300319 - PCT/EP2022/053917 (22) 17/02/2022 (30) EP n° 21157658.2 du 17/02/2021 (54) Elliptical design for shank adapters. (72) JANSSON, Tomas (SE) et NORDBERG, Anders (SE) (73) SANDVIK MINING AND CONSTRUCTION TOOLS AB, 81181 SANDVIKEN (SE) (74) S.C.P AKKUM, AKKUM & Associates, n° 1777, Rue 6.261, Auditorium Jean Paul II, Quartier Mbankolo, B.P. 4966, YAOUNDE (CM). (57) A shank adapter to form part of a drilling assembly, the shank adapter comprising: a main body extending axially between a first end and a second end; a male spigot portion provided at the second end having an externally threaded section and a non-threaded shank positioned axially intermediate the main body and the threaded
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