FIELD: shipping industry.
SUBSTANCE: invention refers to underwater work on lifting the sunken objects using pneumatic pontoons fixed on the outside of the sunken object. Device for lifting the sunken object consists of a large-meshed fabric made from a strong synthetic material with metal compressed air bottles which are fixed along the perimeter and act as loads, and with flexible pontoon shells - in the centre. At that bottles are connected to the shells by means of flexible hoses and have air valves which are opened remotely at a specified time period. In the corners of the meshed fabric there are ropes connected to the boats, which are meant for stretching the meshed fabric when it is being installed above the sunken object.
EFFECT: simplifying the device design and improving safety when carrying out work on the sunken object.
2 dwg
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RU2111890C1 |
