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AssigneesVOEST-ALPINE Bergetechnik Gesellschaft m.b.H., Cigar Lake Mining Corporation
InventorsBernhard Ebner, Gerhard Weinberger, Bruno Reumüller, Barry Schmitke
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In a device for sealing a bore hole and discharging drill cuttings and stripped excavation material, including a housing adapted to receive sealing elements and an opening capable of being connected to the bore hole, one side wall of the housing is provided with at least one opening for the connection of a haulage duct, wherein the housing end side facing the bore hole is equipped with a lockable, particularly screwable, sealing flange (13) for the detachable connection with a bore hole lining (11). The sealing flange (13) is rotationally and sealingly mounted within the housing and carries projections, in particular an annular brim (15) which is overlapped by a stop (14) of the housing.
A device for sealing a bore hole and discharging drill cuttings and stripped excavation material, comprising a housing adapted to receive sealing elements and an opening capable of being connected to the bore hole, wherein a side wall of the housing is provided with at least one opening for the connection of a haulage duct (17) and wherein the housing has an end side facing the bore hole, which end side is equipped with a screwable sealing flange (13) for detachable connection with a bore hole lining (11), wherein the sealing flange (13) is rotationally and sealingly mounted within the housing and carries an annular brim (15) which is overlapped by a stop of the housing.
Dependencies are inferred from the claim text.