Winding – tensioning – or guiding – Coil holder or support – Spool or core
Patent
1991-04-22
1993-04-06
Stodola, Daniel P.
Winding, tensioning, or guiding
Coil holder or support
Spool or core
114254, 2541343SC, 405173, B65H 7500, F16L 112
Patent
active
051996596
ABSTRACT:
A marine cable retrieval apparatus for retrieving marine seismic cable on board a ship which reduces longitudinal tension force on the cable at the cable storage reel when the cable storage reel (drum) is winding up the cable. Marine cable is subject to a tension force which can damage the marine cable when it is placed on a storage reel. The apparatus of this application reduces the tension on a portion of marine cable so that the portion can be retrieved upon a storage reel. The apparatus includes a collar attached to the marine cable and a cable retrievel tool which is placed around the marine cable. The cable retrieval tool has a biasing mechanism which will allow the tool to pass over the collar attached to the marine cable when it is moving away from the ship, but when it is moving toward the ship the biasing mechanism will engage the collar. The cable retrieval tool exerts an opposing force on the collar to the longitudinal tension force on marine cable trailing behind the collar. This reduces the longitudinal tension force on a portion of cable between the cable retrieval tool and the cable storage reel. The cable storage reel can then wind up the portion of cable with a reduced longitudinal tension on the cable at the cable storage reel.
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Reynolds, Jr. Fred S.
Rollins John F.
Shell Offshore Inc.
Stodola Daniel P.
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