The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 14, 2006
Filed:
May. 15, 2001
Bernhard Ebner, Knittelfeld, AT;
Gerhard Weinberger, Zeltweg, AT;
Bruno Reumüller, Knittelfeld, AT;
Barry Schmitke, Saskatoon, CA;
Bernhard Ebner, Knittelfeld, AT;
Gerhard Weinberger, Zeltweg, AT;
Bruno Reumüller, Knittelfeld, AT;
Barry Schmitke, Saskatoon, CA;
VOEST-ALPINE Bergetechnik Gesellschaft m.b.H., Zeltweg, AT;
Cigar Lake Mining Corporation, Saskatchewan, CA;
Abstract
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 () for the detachable connection with a bore hole lining (). The sealing flange () is rotationally and sealingly mounted within the housing and carries projections, in particular an annular brim () which is overlapped by a stop () of the housing.