US3745960A - Tanker vessel - Google Patents
Tanker vessel Download PDFInfo
- Publication number
- US3745960A US3745960A US00140803A US3745960DA US3745960A US 3745960 A US3745960 A US 3745960A US 00140803 A US00140803 A US 00140803A US 3745960D A US3745960D A US 3745960DA US 3745960 A US3745960 A US 3745960A
- Authority
- US
- United States
- Prior art keywords
- tanks
- vessel
- bulkheads
- central
- main deck
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/093—Cleaning containers, e.g. tanks by the force of jets or sprays
- B08B9/0936—Cleaning containers, e.g. tanks by the force of jets or sprays using rotating jets
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B25/00—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby
- B63B25/02—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods
- B63B25/08—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods fluid
- B63B25/10—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods fluid open to ambient air
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B57/00—Tank or cargo hold cleaning specially adapted for vessels
- B63B57/02—Tank or cargo hold cleaning specially adapted for vessels by washing
Abstract
A tanker vessel for carrying liquid material is provided with a cargo area provided with a plurality of spaced apart longitudinal bulkheads and a plurality of parallel transverse bulkheads vertically extending from the main deck of the vessel to the vessel shell, said bulkheads forming a plurality of wing tanks, first central tanks, selected of the first central tanks having a double bottom, divided by a vertical bulkhead into two tanks. The double bottom carries liquid water ballast only, the first selected central tanks carry water ballast or other liquid products, and the remaining tanks carry liquid products. The first selected central tanks are free of bulkhead stiffeners which are provided on the longitudinal and transverse bulkheads.
Description
United States Patent 1191 Devine TANKER VESSEL Inventor: Walter B. Devine, Houston, Tex.
Assignee: Esso Research and Engineering Company, Linden, NJ.
May 6, 1971 Filed:
Appl. No.:
[5 6] References Cited UNITED STATES PATENTS 12/1967 Field et al. 114/74 R X 4/1966 Laskey et a1 1 14/74 R 11/1934 Butterworth 114/74 R UX 9/1968 Dahan 114/74 R FOREIGN PATENTS OR APPLICATIONS France 114/74 R Great Britain 1 14/74 R 14 1 July 17, 1973 Primary Examiner-Milton Buchler Assistant Examiner-E. R. Kazenske Attorney-Thomas B. McCulloch, Melvin F. Fincke, John S. Schneider and Sylvester'W. Brock, Jr.
[57] ABSTRACT A tanker vessel for carrying liquid material is provided with a cargo area provided with a plurality of spaced apart longitudinal bulkheads and a plurality of parallel transverse bulkheads vertically extending from the main deck of the vessel to the vessel shell, said bulkheads forming a plurality of wing tanks, first central tanks, selected of the first central tanks having a double bottom, divided by a vertical bulkhead into two tanks. The double bottom carries liquid water ballast only, the first selected central tanks carry water ballast or other liquid products, and the remaining tanks carry liquid products. The first selected central tanks are free of bulkhead stiffeners which are provided on the longitudinal and transverse bulkheads.
6 Claims, 3 Drawing Figures v PAIENIEBJULI mn' 3.745.960
snmxurz FIG.
I N VEN TOR. WALTER B. DEVINE, BY
c: NEYL PAIENIEDJUL I 7973 SHEET 2 0F 2 vmic TANK DRAIN SUNP WING TANK sucno'u 0R LOADING w 1 N VENTOR. WALTER B. DEV|NE fir},
A TgiNE Y.
TANKER VESSEL CROSS-REFERENCE TO RELATED APPLICATION This application contains common subject matter to an application entitled TANK VESSEL filed May 5, 1971 for Walter B. Devine, Ser. No. 139,430.
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is directed to tanker ships particularly marine vessels which are suitable for use in the arctic. More particularly the invention is concerned with a tanker vessel having a particular arrangement of bulkheads and tanks. In its more specific aspects the invention is directed to an arctic tank ship which has an arrangement of tanks wherein there is a minimum of metal exposed to corrosive fluids and in which the strength of the vessel is unimpaired.
2. Description of the Prior Art It is known to employ longitudinal and transverse bulkheads in tank ships. It is also disclosed in the patent literature that the corrosivity of certain products such as gasoline and the like may be overcome by using a combination of layers of steel of diverse electrochemical potential in tank ships. It is also known to provide tunnels under the tanks of a tank ship to carry pipelines and the like. The prior art teaches the provision of ballast bags in tank ships to avoid contamination with liquefied cargo. Various water ballast configurations have been devised and/or proposed to achieve various tank configurations other than that obtained with intersecting longitudinal and transverse bulkheads. All of these proposals and prior teachings are stillopen to various objections in providing tank ships wherein the tanks and the ships are constructed in an expensive manner and the problems which are encountered in the arctic where special strength is needed are not solved. It is, therefore, novel and unobvious to provide tanker ves sels or ships for arctic usage in accordance with the present invention which are sufficiently strong that navigation in ice covered waters may be achieved. The following listed U.S. patents were considered in connection with this invention:
U.S.Pat. No. 2,237,321
U.S. Pat. No. 2,428,050
U.S. Pat. No. 2,979,009
U.S. Pat. No. 3,247,822
U.S. Pat. No. 3,364,893
U.S. Pat. No. 3,385,251
SUMMARY OF THE INVENTION The present invention may be briefly described and summarized as a tanker vessel for arctic and the like use wherein versatile center tanks for arctic tankers are provided wherein said tanks are so constructed and arranged as to carry cargo on one leg of a journey and ballast water on the return leg of such journey. By virtue of positioning bulkhead stiffeners outside selected center tanks and by virtue of fitting said selected tanks with double bottoms, the amount of steel exposed to the different corrosive effects of salt water and oil is significantly reduced. Furthermore, the tanks are easy to clean since the stiffeners are exteriorly positioned and therefore do not interfere with the flow of liquid lected center tanks which are substantially free of internal stiffeners or trusses.
BRIEF DESCRIPTION OF THE DRAWING The present invention will be described further by reference to the drawing in which:
FIG. 1 is an-inboard profile of the tanker ships of the present invention;
FIG. 2 is a sectional view of the main bulkhead arrangement taken along the line 2--2 of FIG. 1; and
FIG. 3 is a cross-sectional view of the tanker vessel taken along the line 3-3 of FIG. 2, showing the inner construction of the wing tanks and selected center tanks as well as the bottom tanks under the selected tanks.
DESCRIPTION OF THE PREFERRED EMBODIMENT WITH RESPECT TO THE DRAWING Referring now to the drawing and particularly to FIGS. 1 and 2, number 10 designates a tanker vessel such as a marine vessel designed for use in the arctic and like environments. The vessel 10 is provided with a plurality of transverse vertical bulkheads 11 which extend from the main deck 12 to the bottom shell 13. Selected of the bulkheads 11 form selected tanks 14 which are substantially free of internal trusses or stiffeners, and the internal structure, excepting the bulkheads, is not subject to corrosion. The selected tanks 14 may alternate between tanks 15 which are provided with bulkhead stiffeners l7 and beams 18. The bulkheads 37 and 11 with shell 21 form wing tanks 16 along the starboard and port sides of vessel 10.
The selected tanks 14 have double bottoms 19 formed of members 20 and shell 21 of the vessel 10. The double bottoms 19 have internal plates 22 which support the inner bottom 20 and forms inner bottom tank 23 underneath the tanks 14.. Plates 22 are provided with openings 24 therethrough for fluid communication in tank 23 and also to allow passage of conduits as shown in FIG. 3. A pump room 25 is defined by one of the transverse bulkheads l1 and a bulkhead 26 and is provided with internal stifiening means 27 which suitably may be trusses. The bulkhead 26 and the bulkhead 27 form an engine room for the motive power for the ship which may be a diesel engine, a steam engine, or nuclear power means, and. the like.
The outside shell of the first of the tanks 15 which is used for ballast defines a fore peak. 28, a prow 29 having a bulbous bow 30. The stern of the vessel or fantail 31 is provided with a steering means 32 and a tunnel 33 in which is located one or more propulsion means such as screws 34. On the main deck 13 is arranged the bridge and living quarters 35 through which protrudes a stack 36 leading from the engine room to carry off steam, smoke, other vapors, gases, and the like.
In FIG. 2 it will be seen that longitudinal bulkheads 37 intersect the transverse bulkheads 11 and form with the shell and the transverse bulk-heads the several tanks described with respect to FIG. 1.
Referring now to FIG. 3 which is a cross section of the tank ship of the present invention, it will be noted that the tank 14 is strengthened by upper beam 38, inner bottom 20, shell 21, and the internal vertical plate 22 supporting the inner bottom 20 and by using bulkheads 37 referred to in FIG. 2. The wing bulkheads 37 are preferably angled to provide maximum tank capacity for the combination oil/ballast tanks M for a minimum steel weight and the upper part of it may form an angle greater than 90 with the main deck 13, while the lower portion of the wing bulkhead 37 may form an angle of 90 with the bottom shell or an angle greater than 90 with the bottom shell as indicated by the dotted lines.
Referring again to FIG. 3, it will be noted that the bottom 20 of tank 14 slopes slightly from each bulkhead 37 toward the center of the vessel where there is provided a drain sump. Connected into the sump is a line 50 which also connects into longitudinally running line 53 and is controlled by a valve 52. A reach rod 43 'operably connects valve 52 to a valve control means 44 enclosed in a covered access means 45 on the deck 12.
Extending downwardly into tank 14 from a control means 54 in covered access means 45 is a conduit 46 which is provided with at least one nozzle means 47; line 46 is closed on its lower end adjacent floor 20 and connects to floor 20 by a support means 48 which also acts as an electrical ground. One or more conduits such as 46 may be provided in each tank 14 and may also be adapted to rotate if desired. During tank washing operations, liquids are drawn off by way of the sump, line 50 and line 53, the combination of which also provides means for loading or unloading of the tank 14. Tank vents 55 lead from oil hatches 56 which are provided with viewing ports 57 within the covered access means 45.
The top of the covered access means 45 is provided with guard rail 58, while the main deck 13 is also provided with guard rails 59. The wing tanks 16 are also provided with Butterworth hatches 60 through which well known Butterworth cleaning means may be inserted and employed to clean the tanks 16 as required.
As also shown in FIG. 3, there is an upper vertical portion 21a of the sides of shell 21 which slopes outwardly above a connecting vertical portion 21b which slopes inwardly.
It will be seen from the foregoing description taken with the drawing that unobvious and useful results are obtained in that tanks are provided which are substantially free of inner structural means providing minimum exposure of metal to corrosive liquids such as sea water used as ballast and crude petroleum fractions thereof and other corrosive liquids which may be carried by tanker ship.
The present invention is, therefore, quite desirable, unobvious and useful and presents advantages over the prior art.
The nature and objects of the present invention having been completely described and illustrated, what I wish to claim as new and useful and secure by Letters Patent is:
1. A tanker vessel having a shell, main deck, and cargo area for carrying liquid material which comprises:
a. a plurality of spaced apart longitudinal bulkheads and a plurality of spaced apart parallel transverse bulkheads in said cargo area intersecting said longitudinal bulkheads, said bulkheads extending from the main deck to the vessel shell and forming a plurality of wing tanks and central tanks;
said longitudinal bulkheads forming an angle greater than at least with the main deck;
c. selected of said central tanks having double bottoms with internal structural stiffening means below the selected central tanks;
d. bulkhead stiffeners arranged only on the outside of said longitudinal and transverse bulkheads forming said wing tanks and said selected central tanks; and
e. an upper vertical portion of the sides of said shell sloping outwardly above a connecting vertical portion of the sides which slopes inwardly.
2. A tanker vessel in accordance with claim 1 in which the selected first central tanks are provided with fixed vertical washing means depending from the main deck.
3. A tanker vessel in accordance with claim 1 in which the selected tanks are provided with rotatable vertical washing means depending from the main deck.
4. A tanker vessel in accordance with claim 3 in which the double bottom of each central tank provided with washing means is composed of an inner and outer bottom, the inner double bottom sloping toward the center of the vessel and the outer double bottom being formed by the vessel shell.
5. A tanker vessel in accordance with claim 4 in which each of the inner double bottoms is provided with a ballast line and an oil line for filling and draining the selected central tanks.
6. A tanker vessel is accordance with claim 1 in which the selected first central tanks alternate with other first central tanks having bulkhead stiffeners.
Claims (6)
1. A tanker vessel having a shell, main deck, and cargo area for carrying liquid material which comprises: a. a plurality of spaced apart longitudinal bulkheads and a plurality of spaced apart parallel transverse bulkheads in said cargo area intersecting said longitudinal bulkheads, said bulkheads extending from the main deck to the vessel shell and forming a plurality of wing tanks and central tanks; b. said longitudinal bulkheads forming an angle greater than 90* at least with the main deck; c. selected of said central tanks having double bottoms with internal structural stiffening means below the selected central tanks; d. bulkhead stiffeners arranged only on the outside of said longitudinal and transverse bulkheads forming said wing tanks and said selected central tanks; and e. an upper vertical portion of the sides of said shell sloping outwardly above a connecting vertical portion of the sides wHich slopes inwardly.
2. A tanker vessel in accordance with claim 1 in which the selected first central tanks are provided with fixed vertical washing means depending from the main deck.
3. A tanker vessel in accordance with claim 1 in which the selected tanks are provided with rotatable vertical washing means depending from the main deck.
4. A tanker vessel in accordance with claim 3 in which the double bottom of each central tank provided with washing means is composed of an inner and outer bottom, the inner double bottom sloping toward the center of the vessel and the outer double bottom being formed by the vessel shell.
5. A tanker vessel in accordance with claim 4 in which each of the inner double bottoms is provided with a ballast line and an oil line for filling and draining the selected central tanks.
6. A tanker vessel is accordance with claim 1 in which the selected first central tanks alternate with other first central tanks having bulkhead stiffeners.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14080371A | 1971-05-06 | 1971-05-06 |
Publications (1)
Publication Number | Publication Date |
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US3745960A true US3745960A (en) | 1973-07-17 |
Family
ID=22492856
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US00140803A Expired - Lifetime US3745960A (en) | 1971-05-06 | 1971-05-06 | Tanker vessel |
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US (1) | US3745960A (en) |
Cited By (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4241683A (en) * | 1978-06-09 | 1980-12-30 | Conway Charles S | Liquid cargo tank construction |
US4308815A (en) * | 1978-06-09 | 1982-01-05 | Conway Charles S | Tanker vessel construction |
US4338874A (en) * | 1979-02-17 | 1982-07-13 | The British Petroleum Company Limited | Inert gas supply and salvage system for oil tankers |
US4964437A (en) * | 1989-12-15 | 1990-10-23 | Energy Transportation Group, Inc. | Apparatus and method for control of oil leakage from damaged tanker |
US5121766A (en) * | 1991-07-10 | 1992-06-16 | Energy Transportation Group, Inc. | System for control of oil leakage from damaged tanker |
GR910100203A (en) * | 1990-05-23 | 1992-07-30 | Mitsubishi Heavy Ind Ltd | Tanker for the prevention of gargo oil spillage |
US5158031A (en) * | 1990-05-04 | 1992-10-27 | Chevron Research And Technology Co. | Ballast tank elements for a double hull vessel |
US5353728A (en) * | 1993-12-17 | 1994-10-11 | Marine Safety Systems Inc. | Centrally-located-ballast-tank vessel |
US20100139547A1 (en) * | 2006-10-31 | 2010-06-10 | Nobuyoshi Morimoto | Piping structure for oil tanker |
CN102372068A (en) * | 2010-08-10 | 2012-03-14 | 南通中远川崎船舶工程有限公司 | Anti-silt water ballast tank of large vessel |
WO2012116698A1 (en) * | 2011-03-03 | 2012-09-07 | Bawat A/S | System for treating ballast water in ballast tanks |
WO2013192000A2 (en) * | 2012-06-18 | 2013-12-27 | The Government Of The Usa Of America As Represented By The Secretary Of The Dept. Of The Interior | Nozzle mixing methods for ship ballast tanks |
EP2695684A1 (en) * | 2012-08-06 | 2014-02-12 | Alfa Laval Corporate AB | Washing system for washing of tanks or the like |
US20170096191A1 (en) * | 2015-10-02 | 2017-04-06 | Osk-Shiptech A/S | Bulbous bow, a sea-going vessel with such bow, and methods of its manufacture |
US10173752B2 (en) * | 2015-10-13 | 2019-01-08 | Mitsubishi Shipbuilding Co., Ltd. | Ship |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US19374A (en) * | 1858-02-16 | Hinge | ||
FR1311097A (en) * | 1962-01-22 | 1962-11-30 | Improvements to ships intended for the transport of crude oil | |
GB1004760A (en) * | 1963-03-30 | 1965-09-15 | Algonquin Shipping & Trading | Combined tanker service unit |
US3247822A (en) * | 1962-12-15 | 1966-04-26 | Algonquin Shipping & Trading | Design of tank vessels |
US3356600A (en) * | 1964-12-24 | 1967-12-05 | Henes Mfg Co | Means and method for producing a dry homogeneously mixed hydrogen and oxygen fuel gas for torches |
US3399645A (en) * | 1967-04-17 | 1968-09-03 | Mobil Oil Corp | Tanker construction |
-
1971
- 1971-05-06 US US00140803A patent/US3745960A/en not_active Expired - Lifetime
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US19374A (en) * | 1858-02-16 | Hinge | ||
FR1311097A (en) * | 1962-01-22 | 1962-11-30 | Improvements to ships intended for the transport of crude oil | |
US3247822A (en) * | 1962-12-15 | 1966-04-26 | Algonquin Shipping & Trading | Design of tank vessels |
GB1004760A (en) * | 1963-03-30 | 1965-09-15 | Algonquin Shipping & Trading | Combined tanker service unit |
US3356600A (en) * | 1964-12-24 | 1967-12-05 | Henes Mfg Co | Means and method for producing a dry homogeneously mixed hydrogen and oxygen fuel gas for torches |
US3399645A (en) * | 1967-04-17 | 1968-09-03 | Mobil Oil Corp | Tanker construction |
Cited By (30)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4241683A (en) * | 1978-06-09 | 1980-12-30 | Conway Charles S | Liquid cargo tank construction |
US4308815A (en) * | 1978-06-09 | 1982-01-05 | Conway Charles S | Tanker vessel construction |
US4338874A (en) * | 1979-02-17 | 1982-07-13 | The British Petroleum Company Limited | Inert gas supply and salvage system for oil tankers |
US4964437A (en) * | 1989-12-15 | 1990-10-23 | Energy Transportation Group, Inc. | Apparatus and method for control of oil leakage from damaged tanker |
US5158031A (en) * | 1990-05-04 | 1992-10-27 | Chevron Research And Technology Co. | Ballast tank elements for a double hull vessel |
GR910100203A (en) * | 1990-05-23 | 1992-07-30 | Mitsubishi Heavy Ind Ltd | Tanker for the prevention of gargo oil spillage |
US5347943A (en) * | 1990-05-23 | 1994-09-20 | Mitsubishi Jukogyo Kabushiki Kaisha | Tanker for the prevention of cargo oil spillage |
US5445097A (en) * | 1990-05-23 | 1995-08-29 | Mitsubishi Jukogyo Kabushiki Kaisha | Tanker for the prevention of cargo oil spillage |
ES2075779A1 (en) * | 1990-05-23 | 1995-10-01 | Mitsubishi Heavy Ind Ltd | Tanker for the prevention of cargo oil spillage |
US5121766A (en) * | 1991-07-10 | 1992-06-16 | Energy Transportation Group, Inc. | System for control of oil leakage from damaged tanker |
US5353728A (en) * | 1993-12-17 | 1994-10-11 | Marine Safety Systems Inc. | Centrally-located-ballast-tank vessel |
EP0658476A1 (en) * | 1993-12-17 | 1995-06-21 | Marine Safety Systems Inc. | Centrally located ballast tank vessel |
US20100139547A1 (en) * | 2006-10-31 | 2010-06-10 | Nobuyoshi Morimoto | Piping structure for oil tanker |
CN102372068A (en) * | 2010-08-10 | 2012-03-14 | 南通中远川崎船舶工程有限公司 | Anti-silt water ballast tank of large vessel |
WO2012116698A1 (en) * | 2011-03-03 | 2012-09-07 | Bawat A/S | System for treating ballast water in ballast tanks |
JP2014511304A (en) * | 2011-03-03 | 2014-05-15 | バワット エー/エス | System for treating ballast water in ballast tanks |
CN103442982A (en) * | 2011-03-03 | 2013-12-11 | 巴瓦特股份公司 | System for treating ballast water in ballast tanks |
CN103476671A (en) * | 2011-03-03 | 2013-12-25 | 巴瓦特股份公司 | System for treating ballast water in ballast tanks |
WO2012116704A1 (en) * | 2011-03-03 | 2012-09-07 | Bawat A/S | System for treating ballast water in ballast tanks |
CN103442982B (en) * | 2011-03-03 | 2016-05-25 | 巴瓦特股份公司 | Process the system and method for the water ballast in ballast tank |
WO2013192000A2 (en) * | 2012-06-18 | 2013-12-27 | The Government Of The Usa Of America As Represented By The Secretary Of The Dept. Of The Interior | Nozzle mixing methods for ship ballast tanks |
WO2013192000A3 (en) * | 2012-06-18 | 2014-02-27 | The Government Of The Usa Of America As Represented By The Secretary Of The Dept. Of The Interior | Nozzle mixing methods for ship ballast tanks |
US9688551B2 (en) | 2012-06-18 | 2017-06-27 | The United States Of America As Represented By The Secretary Of The Interior | Nozzle mixing apparatus and methods for treating water in ship ballast tanks |
WO2014023476A1 (en) * | 2012-08-06 | 2014-02-13 | Alfa Laval Corporate Ab | Washing system for washing of tanks or the like |
CN104520025A (en) * | 2012-08-06 | 2015-04-15 | 阿尔法拉瓦尔股份有限公司 | Washing system for washing of tanks or like |
EP2695684A1 (en) * | 2012-08-06 | 2014-02-12 | Alfa Laval Corporate AB | Washing system for washing of tanks or the like |
CN104520025B (en) * | 2012-08-06 | 2017-03-15 | 阿尔法拉瓦尔股份有限公司 | Rinse-system for douche can etc. |
US20170096191A1 (en) * | 2015-10-02 | 2017-04-06 | Osk-Shiptech A/S | Bulbous bow, a sea-going vessel with such bow, and methods of its manufacture |
US9926041B2 (en) * | 2015-10-02 | 2018-03-27 | Osk-Shiptech A/S | Bulbous bow, a sea-going vessel with such bow, and methods of its manufacture |
US10173752B2 (en) * | 2015-10-13 | 2019-01-08 | Mitsubishi Shipbuilding Co., Ltd. | Ship |
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