E - Fixed Constructions – 21 – D
Patent
E - Fixed Constructions
21
D
E21D 20/02 (2006.01) E21B 33/138 (2006.01)
Patent
CA 2741812
The invention comprises an injection de-vice (6), for injecting fixing material in a drill hole (13) during rock bolting, comprising a hose system (12) and a feed unit (15). The hose system (12) comprises an injec-tion pipe (10), the injection device further comprises a po-sitioning means (33) adapted to adjust the position of the injection pipe (10) in relation to the drill hole (13) and the feed unit (15) comprises means (31, 32) adapted to drive the hose system (12) such that the injection pipe (10) en-ters the drill hole (13) for supplying fixing material into the hole (13) during operation.
L'invention comprend un dispositif d'injection (6), pour injecter un matériau de fixation dans un trou de forage (13) durant un boulonnage de toit, comprenant un système de tuyau (12) et une unité d'alimentation (15). Le système de tuyau (12) comprend un tuyau d'injection (10), le dispositif d'injection comprenant de plus un moyen de positionnement (33) apte à régler la position du tuyau d'injection (10) par rapport au trou de forage (13), et l'unité d'alimentation (15) comprenant des moyens (31, 32) aptes à entraîner le système de tuyau (12) de telle sorte que le tuyau d'injection (10) entre dans le trou de forage (13) pour délivrer un matériau de fixation dans le trou (13) durant le fonctionnement.
Nystrom Sven-Olov
Olsson Jan
Atlas Copco Rock Drills Ab
Fetherstonhaugh & Co.
LandOfFree
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