US2895444A

US2895444A - Method of arranging ship's holds or the like, and holds thus arranged

Info

Publication number: US2895444A
Application number: US574054A
Authority: US
Inventors: Mege Paul Andre
Original assignee: Individual
Current assignee: Individual
Priority date: 1955-03-18
Filing date: 1956-03-06
Publication date: 1959-07-21
Anticipated expiration: 1976-07-21

Description

Jul 21, 1959 Filed larch e. 1956 V P. A. MEGE METHOD OF ARRANGING SHIP'S HOLDS OR THE LIKE, AND HOLDS mus ARRANGED 4 Sh'ets-Sheet 1 July 21, 1959' P; A. MEGE 2,895,444 I METHOD OF ARRANGING SHIPS HOLDS OR THE Filed March 6, 71956 4 Sheets-Sheet 2 LIKE, AND HOLDS THUS ARRANGED Jul 21, 1959 MEGE METHOD OF ARRANGING SHIP'S HOLDS OR THE 1 LIKE, AND HOLDS mus ARRANGED rum umhs, 195s 4 Sheets-Sheet 3 llllll lir P. A. M EGE ANGING 2,895,444 7 METHOD OFARR SHIP'S ows OR THE LIKE; AND HOLDS mus ARRANGED 'Filed March 6, 1956 4 Sheets-Sheet 4 was United States Patent NIETHOD OF ARRANGING SHIPS HOLDS OR THE LIKE, AND HOLDS THUS ARRANGED Paul Andr Mege, Saint-Germain-en-Laye, France Application March 6, 1956, Serial No. 574,054 Claims priority, application France March 18, 1955 6 Claims. (Cl. 114-713) shipowner scrupulously to comply with them. In particular, provision has to be made of means to prevent the unexpected shifting of the grain owing to the rolling and pitching of the ship which might run the risk of aifecting its stability. Regulations now in force have led shipbuilders to provide, over the centre of the hold, a kind of compensating compartment, generally called a feeder, with a capacity of about 2.5 to 8% of the volume of the hold. These bins or species of chimneys must be full and in free communication with the internal space of the hold in order to compensate for the vacuums that may possibly occur owing to the grain shifting. Moreover, it is incumbent on shipowners to provide a longitudinal bulkhead or shifting board placed inside the hold and extending for about one-third of its height from the ceiling.

These various regulations and obligations mean that vessels intended to carry grain are not suitable for conveying materials other than bulk goods, unless relatively extensive and costly transformation work has been carried out.

It will easily be seen that a compensating compartment frequently having a capacity of 70 to 80 tons cannot be easily taken down when it is situated in the hatchway space, and very speedily re-erected when the ship, after having carried packages, is due to take on a cargo of grain. This remark also applies to the shifting boards.

The purpose of this invention is to obviate these various disadvantages, and relates to a method of arranging holds that enables a very speedy changeover to be made from the conditions required for conveying packages and those necessary for carrying bulk goods and vice versa.

This method is remarkable, more particularly, in that it consists of providing bins or compensating compartments, generally called feeders, at the ends of the hold, leaving the hatchway space free.

According to another feature of the invention, a semibin is arranged at each end of the hold. In this latter case, the volume of each of the compartments in question corresponds approximately in percentage to half the total capacity of the hold.

According to yet another feature of the invention, the upper space of the hold is divided, for example, for about one-third of its total height, by partitions or shifting boards that can be retracted by pivoting, for example, placed in a longitudinal direction in relation to the ship.

It should also be noticed that, according to this invention, the above mentioned arrangements are carried out in the spaces bounded by the components forming binding strakes or by using the latter as supports, for

example, for the feeder partitions, shifting boards, etc.

It will immediately be observed that by applying the method which has just been described, it is extremely easy to change over from carrying packages to the conveyance of grain, and vice-versa. This is due, for the most part, to the fact that the hatchway space remains quite free, that the compensating compartments do not take up any place that might aifect the handling and stowing of goods on board of the ship, that the shifting boards are easily retractable and that no alteration whatsoever is made to the strengthening parts of the ship, such as the binding strakes, cross beams, etc.

The invention also covers holds arranged according to the aforegoing method and is remarkable, more particularly, in that the compensating compartments or bins generally called feeders assume, for example, the shape of semi-bins and are placed at the ends: of the holds in question in the longitudinal direction of the ship, the hatchway space being entirely free.

According to another feature of the invention, the hold comprises, for about one-third of its height, measured from its ceiling, longitudinal partitions or shifting boards, fitted in such manner that they can be retracted, by slewing, for example.

Other features of the invention will be revealed by the description that follows.

Figure 3 is a diagrammatic longitudinal cross-section on'a larger scale of a hold arranged according to the invention;

Figure 4 is a plane view taken along the line ,IV-IV of Figure 3;

Figure 5 is a cross-section along the line V-V of Figure 4;

Figure 6 is a cross-section along the line VI-VI of Figure 4.

According to the example shown, the ship arranged according to the invention has been shown diagrammatically by the hull 1. This ship comprises, for example, five holds shown at 2, 3, 4, 5 and 6. These holds have been simply indicated by the outline of the hatchways giving access to them. According to the invention, the hatchway space is entirely free, as will, moreover, be seen from Figure 3 which shows hold No. 3, for example, on a larger scale and in longitudinal cross-section.

In that which follows, hold No. 3 will alone be described, it being clearly understood that the other holds of the ship could be similarly constructed, without, however, this being compulsory.

Hold No. 3 is bounded at both ends, considered in the longitudinal direction of the ship, by cross bulkheads to the latter, which have been shown at 7 and 8. The bottom of the hold is shown at 9. The lower deck which is also the ceiling of the hold has been shown at 10. The upper deck of the ship, with the position of the corresponding hatchway, has been shown at 11 and the hatchway at 12. This hatchway can be closed by an assembly of metal or wooden hatch covers of any kind shown diagrammatically at 13. 14 also indicates the position of the usual winches for handling goods At the ends of the hold corresponding to

partitions

7 and 8 compensating bins or

compartments

15 and 16, generally termed feeders, have been provided. These compartments are joined to the transversal partion 7 or more exactly to the upper part of this partition, generally called tween-deck bulkhead. This upper part has been shown in the drawing at 7', with regard to the bulkhead 7, and at 8 for the bulkhead 8. Identical compensating compartments have been. provided for theadjacenthold's'Z and 4 and are shown in the drawing at 17 and 18'. The tween-deck-also comprises an opening or hatchway 19 which can be formed by means of suitable hatch'covers (not shown) of any kind.

If we now refer to. the figures showing the hold in section, we shall notice that in the transversal direction, each of the compensating compartments or feeders such as'1 6, for. example (see Fig. is divided into 3 compartments 16, 16-, 16, positioned symmetrically in relationfto the .general longitudinal axis of the ship shown at -XX. These various compartments are separated from each other by

longitudinal Walls

20 and 21.

Other bulkheads

22 and 23 bound the compensating compartments towards the exterior. These spaces emerge on the upper deck by entry openings-42', 42", 42" (see Fig. 1). The binding strake of the upper deck is shown at 24 in the various drawings, and it can be seen that, according to the construction planned, in this application, the feeder merely presses on this binding strake without the ship-builder being obliged to alter the latter in any way. i

The derricks generally provided on the ship have been shown at 25 and 26 by way of example, and it will be noticed that nothing prevents their being arranged to pass through the central compartment 16" and their being fixed on the tween-

deck bulkhead

7 or 8.

As shown in Figure 5, the binding strake of the lower deck shown at 29

carries shifting boards

30 and 31 on each lateral side, which are hinged at 32 and 33 and controlled by

cables

34, 35 and 36, '37-shown in the figure by the dotted lines, and in a diagrammatical manner. The purpose of these cables is simply to retain the shifting b oards when they are required to assume a vertical position.

The shifting boards form three spaces A, B, C and their height is substantially equal to one-third of the total height of the hold.

As shown in Figure 5, suitable openings are indicated at 38 and .39 which enable the compensating compartments 15" (or 16") and 15' (16') to communicate with the interior spaces of the hold which are between the ships hull and the shifting boards 30-and 31. Openings or

passages

43 and 44 positioned along the binding strakes enable the lateral spaces formed by the shifting boards to be filled.

Figure 4 showshow the normal cross beams 45 of the ship traverse the space-s comprised between the hull and the shifting boards, without, however, preventing free :cgcess from, the tween-deck through the passages 43 and It will immediately be observed that the arrangement according to this invention is very easy to provide for, in a given position, in a ship intended to carry packages, compartments such as 15 and 16 whichinnowise affect access to the holds or operations that require to take place on deck. 7

It is also equally easy to provide for retractable shifting boards such as the shifting

boards

30 and 31 by hinging them on the binding strake 29 of the lower deck and possibly to make provision for auxiliary binding strakes 40-and 41 in connection with the

entry openings

43 and 44. When it becomes necessary to transport grain or any other bulk goods, it is only necessary to lower the shifting

boards

30 and 31 so that they assume a vertical position shown in Figures 5 and 6 and to carry out the filling of the holds through the openings 15 for the central part of the hold','comprised between the shifting

boards

30 and 31, and through the openings 15" and 15 for the spaces comprised between the ships hull and the respective shifting boardsS-l) and 31. The reciprocal transformation of the ship'is obviously quite simple and can be achieved with great rapidity.

Obviously, the invention is by no means restricted to the form of embodiment described and shown, which has only been given by way of example.

What I claim is:

1. In a ship intended for use as a bulk carrier and at will for carrying. parcel goods without the need of any transformation, a tween-deck, at least one hold provided therein, a hatch opening in the tween-deck having an area substantially corresponding to the horizontal area of the hold, affording the direct introduction of parcel goods of any kind, and channel-like compartments extending transversely .of said ship having an open top and extending vertically over said tween-deck, provided at each end of the hold considered longitudinally to the ship and communicating with the hold at their bottom portions, the said compartments being'located .outside the open area of thesaid hatch and forming a free volumepermanently connected with the hold and adapted to be filled with bulk cargo when theship is used as a bulk carrier and to .compensateany free spaces in the hold which may occur when the bulk cargo is shifted during the transport due tothe deplacements of the ship on sea.

2. A ship according to claim 1 wherein said channellike compartments extend laterally practically over the entire width of the hold.

3. A ship according to claim 2 wherein a transversely located partition separates two adjacent holds, whereas two channel-likecompartments pertaining to the adjacent ends of said adjacent holds are secured to said partition.

4. ship according to claim 2 wherein the upper part of said channel-like compartments is secured to the usual structural components of the upper deck and of the hatch coaming.

5. A ships hold according to claim 2 comprising at least two retractable shifting boards freely hanging inside of the hold from the tween-deck for about one-third of the height of the hold, at both ends of the hatch opening and extending longitudinally to the ship.

6. A ships hold according to claim 5 wherein fixed longitudinal partitions are provided in said channel-like compartments. for dividing the said compartments into three spaces corresponding substantially to the division of the holds as provided for by the underlying two shifting boards.

"References "Cited in the file of this patent UNITED STATES PATENTS 225,581 Ferguson Mar. 16, 1880 240,460 Rainey et al. Apr. 19, 1881 706,708 Wolvin Aug. 12, 1902 2,750,914 MacGregor et al. June 19, 1956