METHOD OF FACILITATING PROCEDURE OF RAISING SUNKEN OBJECT

FIELD: performing underwater jobs; raising sunken objects in arctic zone or in winter. SUBSTANCE: proposed method includes connection of sunken object with ship-raising system and delivery of air to lower portion of compartment of this object at pressure exceeding hydrostatic pressure at depth of ob...

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Bibliographische Detailangaben
Hauptverfasser:	ULITOVSKIJ B.A, FOMIN V.A, SHKRABAK V.S, SHKRABAK V.V, SHKRABAK R.V, KUSHCHEEV I.E
Format:	Patent
Sprache:	eng ; rus
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:	FIELD: performing underwater jobs; raising sunken objects in arctic zone or in winter. SUBSTANCE: proposed method includes connection of sunken object with ship-raising system and delivery of air to lower portion of compartment of this object at pressure exceeding hydrostatic pressure at depth of object; temperature of air shall be below water freezing point. Water from surface cold layer of water basin is also supplied to said compartment. Floating bodies consisting of water and ice which are formed in compartment seal-up its upper portion. EFFECT: facilitated procedure of ship raising.