发明名称 DEVICE FOR MOVING AN ELONGATED OBJECT, IN PARTICULAR A RISER PART OR A DRILL PIPE CASSETTE
摘要 <p>The present invention relates to a device for moving an elongated object, in particular a riser part (10) or a drill pipe cassette, between a storage space and a drilling tower or drilling mast (6) of a drilling vessel or drilling platform, said device comprising: a main frame (25) which is mounted so that it is movable at right angles to the longitudinal direction thereof on the deck of said drilling vessel or said drilling platform, a top carriage (23) which is fixed on the main frame and is movable in the longitudinal direction thereof, and a guide frame (22) which is fixed on the top carriage and can pivot about a horizontal axis relative to the top carriage.</p>
申请公布号 WO1999031346(A1) 申请公布日期 1999.06.24
申请号 NL1998000715 申请日期 1998.12.15
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