Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
October 23, 2007
Patent Application Number
10898880
Date Filed
July 26, 2004
Patent Primary Examiner
Patent abstract
A pressing-out apparatus (4) for pressing out a mass from a self-drilling, chemical composite anchor (2) for mining and tunnel construction has a pressing device arranged in a housing (21). The composite anchor (2) includes an anchor tube (5) having one end (6) with a drilling head (7) and one free end (8) and can be drilled into the receiving material by means of a motor (3). The pressing-out apparatus (4) is operatively coupled with the motor (3) and with the free end (8) of the anchor tube (5).
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