B - Operations – Transporting – 63 – B
Patent
B - Operations, Transporting
63
B
114/9
B63B 25/08 (2006.01) B63B 25/12 (2006.01)
Patent
CA 1067350
ABSTRACT A liquid-transporting cargo ship has a hull which sup- ports a main deck and several cargo tanks which extend above the main deck. A generally hemispherical cover surrounds the above- deck portion of each tank. The cover is formed of at least three self-supporting metal plating subsections, each of which is con- nected along its bottom edge to the main deck and along its lateral edges to a meridonal expansion member which is generally tubular in cross section. For cargo tanks designed to carry cryogenic liquid, the cover is made gas-tight, and an inert atmosphere is maintained in surrounding relation to each cargo tank.
289172
Glasfeld Rolf D.
Morrill Jan G.
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