Ships – Building – Freighters
Patent
1989-11-13
1991-07-16
Swinehart, Ed
Ships
Building
Freighters
114 72, B63B 2508
Patent
active
050315587
ABSTRACT:
A liquid cargo tanker (10) includes a liquid carrying hold (18,20,22) and a reservoir (24) disposed within the hold (18,20,22) for containing a liquid to be transported therein. The reservoir (24) includes a top wall (26) and a bottom wall (28), both walls having edge portions in fluid tight engagement defining a fluid tight seam (30). The top wall (26), bottom wall (28) and seam (30) are free from connection to the hold (18,20,22). The reservoir (24) has a full condition wherein the top wall (26) is raised by the liquid away from the bottom wall (28) as the seam (30) moves away from the hold (18,20,22) and an empty condition wherein the top wall (26) collapses on the bottom wall (28) as the seam (30) moves towards the hold (18,20,22).
REFERENCES:
patent: 1835645 (1931-12-01), Hague
patent: 2724418 (1955-11-01), Krupp
patent: 3356251 (1967-12-01), Roberts
patent: 3385251 (1968-05-01), Grocott
patent: 3906880 (1975-09-01), Hebert
patent: 3922985 (1975-12-01), Hamilton
patent: 4729570 (1988-03-01), Welch, Jr.
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