Ships – Leak stoppers – Aprons – mats – etc.
Patent
1990-03-23
1991-08-13
Swinehart, Ed
Ships
Leak stoppers
Aprons, mats, etc.
114227, B63B 4316
Patent
active
050387014
ABSTRACT:
A method and means for covering an opening (14) in the damaged metal hull (12) of a ship (10) including a flexible covering material (16) having a plurality of electromagnets (36) embedded therein between inner and outer layers (30, 34) and arranged in generally transverse rows. Electrical energy is applied in sequence to the electromagnets (36) after unrolling of the flexible material (16) alongside the hull (12) from the uppermost row of electromagnets (36) to the lowermost row of electromagnets (36). Air assist members (48) are provided to force the flexible material (16) toward the hull (12).
REFERENCES:
patent: 635939 (1899-10-01), Mason
patent: 689979 (1901-12-01), Mason
patent: 770078 (1904-09-01), Kruger
patent: 932720 (1909-08-01), Reinhardt
patent: 1122047 (1914-12-01), Villiers
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