Sunk boat salvaging method by steel cable buckles

First, a dredger digs some interval below the stem of the sunk boat. Then, a thin steel cable is threaded via the interval and is drawn back and forth by two towboats to expand the interval. After that, a thick steel cable is threaded via the interval. In this way, several thick steel cables are mad...

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Bibliographische Detailangaben
1. Verfasser:	CHANGFA WU
Format:	Patent
Sprache:	eng
Schlagworte:	EQUIPMENT FOR DWELLING OR WORKING UNDER WATER LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS LIFE-SAVING IN WATER MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS PERFORMING OPERATIONS RELATED EQUIPMENT SHIPS OR OTHER WATERBORNE VESSELS TRANSPORTING
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Beschreibung
Zusammenfassung:	First, a dredger digs some interval below the stem of the sunk boat. Then, a thin steel cable is threaded via the interval and is drawn back and forth by two towboats to expand the interval. After that, a thick steel cable is threaded via the interval. In this way, several thick steel cables are made to tie the sunk boat. The sunk boat is floated by several inflated drum tied to the thick steel cables. The salvaging method is simple and efficient.