Ships – Building
Patent
1991-01-07
1992-04-14
Basinger, Sherman D.
Ships
Building
114 72, B63B 300, B63B 1102
Patent
active
051037530
DESCRIPTION:
BRIEF SUMMARY
The present invention relates to an arrangement in interiors of ships, such as general cargo ships, where holds following fore-and-aft are equipped with opposite end bulkheads extending transversely and where end bulk-heads of each pair of fore-and-aft following holds form pairs of transversely extending partition bulkheads having an intermediate compartment and with access from the compartment to adjacent holds.
For safety, for example cargo anchoring and cargo stability reasons, it is important for the ship's crew to be able to gain access in a ready manner to different levels of each hold immediately a need arises for this. Correspondingly it is important for crew reasons to furnish extra evacuation routes in difficult situations. Furthermore, it is of decisive importance for freight and ship, that both the end bulkheads and the partition bulk-heads, which define the fore-and-aft following holds relative to each other, can guarantee a desired effective sealing of the holds individually and mutually between the holds. On a possible leakage to a hold on the one side of an end bulkhead or a partition bulkhead, one must be able to ensure that the leakage will not be transmitted to adjacent spaces, for one thing to the compartment between the partition bulkheads or to the hold or the holds on the other side of the remaining partition bulkhead relative to the compartment. It is therefore necessary to have effective sealing arrangements in connection with each access opening in the end bulkhead or partition bulkhead.
With a common passage via the intermediate compartment to the holds on opposite sides of the compartment, it is necessary to have particularly extensive sealing arrangements in connection with each access opening. Further, it is necessary to have extensive procedures in order to guarantee sealing each time the access openings are to be used. Certain problems are presented in practice to carry out such extensive procedures and to furnish suitable sealing arrangements for the various access openings, so that the openings can be opened and closed in a relatively simple manner as required and at the same time sealing ensured on a possible leakage, also on the occurrence of large fluid pressures. Specifically, when a ready access passage is to be provided from the compartment between two partition bulkheads to each of the respective fore-and-aft adjacent holds via the adjacent partition bulkheads, it is particularly necessary to have important safety measures, so that through openings are not formed simultaneously through both partition bulk-heads.
Hitherto steep ladders have been employed to a great extent as the possibility for access to the various access openings. From the ladders, it has been difficult to open and close the access openings in a satisfactory manner. In order to obtain a satisfactory degree of safety, a small number of access openings have been employed in practice from each compartment to each of the adjacent holds.
Accordingly, it is an object of the invention to employ an arbitrary number of access openings to each hold with a cargo ship without the use of complicated sealing arrangements or with moderate demands for using sealing arrangements in connection with the access openings and with minimal need for safety measures in connection with opening and closing of the access openings.
Briefly, the invention is directed to a cargo ship having a plurality of holds which are spaced apart by pairs of partition bulkheads wherein each pair of transversely extending bulkheads defines a compartment therebetween while separating a pair of holds from each other. In addition, one end bulkhead of each hold and preferably both end bulkheads or partition bulkheads on the side facing away from the hold, is/are provided with a flight of steps with connection to the hold via associated landings and access openings at respective levels above each other.
By this there is firstly the possibility of providing easy access to the respective hold via an arbitrary number of access openings with ready ope
REFERENCES:
patent: 3434445 (1969-03-01), Crumley
Basinger Sherman D.
Hand Francis C.
Kristian gerhard jebsen skipsrederi A/S
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