B - Operations – Transporting – 65 – D
Patent
B - Operations, Transporting
65
D
61/3, 61/6
B65D 88/78 (2006.01) B63B 3/13 (2006.01) E21B 41/06 (2006.01)
Patent
CA 1113729
ABSTRACT OF THE DISCLOSURE A structure for an underwater hull or tank which is required to withstand a high external pressure due to use at great immersion depths. The hull or tank is composed of one or more toric components formed of metal, which may be filled with a pressure-resistant material for added strength. The toric components are interconnected by connecting rings welded between adjacent toric components, and longitudinal connecting beams which are welded to the toric components and connecting rings.
332992
Marks & Clerk
S.s.o.s. Sub Sea Oil Services S.p.a.
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