WO2019081810A1 - Method and coupling means for locking together intermodal containers being transported on a ship - Google Patents
Method and coupling means for locking together intermodal containers being transported on a shipInfo
- Publication number
- WO2019081810A1 WO2019081810A1 PCT/FI2018/050771 FI2018050771W WO2019081810A1 WO 2019081810 A1 WO2019081810 A1 WO 2019081810A1 FI 2018050771 W FI2018050771 W FI 2018050771W WO 2019081810 A1 WO2019081810 A1 WO 2019081810A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- coupling means
- corner castings
- corner
- castings
- containers
- Prior art date
Links
- 238000010168 coupling process Methods 0.000 title claims abstract description 82
- 230000008878 coupling Effects 0.000 title claims abstract description 79
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 79
- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000005266 casting Methods 0.000 claims abstract description 100
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 210000000078 claw Anatomy 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
Classifications
-
- 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
- B63B25/28—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for deck loads
-
- 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
- B63B25/24—Means for preventing unwanted cargo movement, e.g. dunnage
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D88/00—Large containers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D88/00—Large containers
- B65D88/02—Large containers rigid
- B65D88/12—Large containers rigid specially adapted for transport
- B65D88/121—ISO containers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D90/00—Component parts, details or accessories for large containers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D90/00—Component parts, details or accessories for large containers
- B65D90/0006—Coupling devices between containers, e.g. ISO-containers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D90/00—Component parts, details or accessories for large containers
- B65D90/0006—Coupling devices between containers, e.g. ISO-containers
- B65D90/0013—Twist lock
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D90/00—Component parts, details or accessories for large containers
- B65D90/12—Supports
-
- 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
- B63B25/28—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for deck loads
- B63B2025/285—Means for securing deck containers against unwanted movements
Definitions
- the object of the present invention is a method for locking together intermodal containers being transported on a ship, by means of the corner castings on the intermodal containers, whereby containers one above another are locked to each other by means of twistlocks to be fastened into the corner castings.
- intermodal containers are transported in a hold below hatch covers and also on deck on top of the hatch covers in a number of parallel rows and lines and also in a number of tiers one on top of the other.
- On deck are detachable hatch covers, with which the hold below is closed.
- the containers above deck are transported on top of the hatch covers.
- Intermodal containers have corner castings on all their eight corners, by means of which castings the containers can be locked to each other.
- two containers one above the other are locked to each other with twistlocks installed into the corner castings of the container.
- Twistlocks are disposed between the corner castings of two containers that are one above the other, and the twistlocks are locked into the holes in the horizontal surfaces of the corner castings. Twistlocks known in the art are disclosed in, inter alia, the following publications: EP0776302B1, DE10200401A1 and WO8907079A1.
- Intermodal containers that are one beside another are not generally locked to each other at all. For special situations, however, devices for supporting against each other containers that are one beside another do exist.
- One possible solution is disclosed in specification EP 1194353 Bl.
- At sea large compression and tension forces are exerted on the twistlocks and on the corner castings of a container when the ship, and correspondingly a stack of containers on its deck, inclines.
- the strength of twistlocks is, however, limited .
- a typical maximum permitted tension force in twistlocks is 250 kN. This imposes a limit on increasing the container stack size and also on improving the efficient use of the ship.
- the aim of the present invention is to provide a method for locking intermodal containers to each other in such a way that the locking will withstand a greater seaway-induced tension force than before, in which case the number of intermodal containers being transported on a cargo ship can be increased.
- the method according to the invention is characterized by what is defined in independent claim 1. Preferred embodiments of the method are defined in the dependent claims 2-6.
- the aim of the present invention is to provide a coupling means implementing the method.
- the coupling means is characterized by what is defined in independent claim 7.
- Preferred embodiments of the coupling means are defined in the dependent claims 8-17.
- the locking of two or more intermodal containers, which are one above another, one beside another and/or end-to-end, to each other at their corner castings is implemented with simultaneously two or more separate coupling devices for increasing the total locking force.
- the coupling method can be applied in such a way that between the corner castings of two intermodal containers that are one on top of the other is a twistlock installed according to current practice, in addition to which a separate coupling means is installed into the gripping holes in the vertical front surfaces of the corner castings.
- the coupling method can be applied in such a way that between the corner castings of two intermodal containers that are one on top of the other is a twistlock installed according to current practice, in addition to which a separate coupling means is installed into the gripping holes in the side surfaces of the corner castings.
- the coupling method can be applied in such a way that between the corner castings of two intermodal containers that are one on top of the other is a twistlock installed according to current practice, in addition to which separate coupling means are installed into the gripping holes in the front surfaces and the side surfaces of the corner castings.
- the operation of the method is contingent on the clearance between the twistlock and the support surfaces of the corner casting of the container being of substantially the same magnitude as the clearance between the coupling means and the support surfaces of the corner casting of the container, taking into account the structural flexibility and deformations of all these components, in particular when under tension loading.
- the dimensioning of the coupling means is therefore determined according to the dimensions of the twistlock and of the corner castings of the intermodal container. In this case the lifting force exerted from the upper container onto the lower container is distributed as evenly as possible between the twistlock and the coupling means.
- the invention thus relates also to a coupling means that is fastened between the corner castings of intermodal containers that are one above another, one beside another and/or end-to-end in such a way that the coupling means bears the load between the corner castings, typically tensile stress, together with a second locking piece connected between the corner castings.
- the object of the invention is a coupling means that is fastened between corner castings that are one above another in such a way that the coupling means bears the load between the corner castings, typically tensile stress, together with a twistlock connected between the corner castings.
- the invention enables the transportation of larger container loads than before on the deck of a ship, in which case the cargo capacity and cargo efficiency of the ship can be improved.
- the invention can be used with the intermodal containers and twistlocks currently in use.
- the coupling means according to the invention is structurally simple and operationally reliable.
- Fig. 1 presents the corner castings of two containers that are one on top of the other, the castings being locked to each other with a twistlock in the conventional manner.
- Fig. 2 presents the same as Fig . 1, but now the corner castings are locked to each other also with a coupling means according to the invention via the gripping holes in the front surfaces of the corner castings.
- Fig. 3 presents the same as Fig. 1, but now the corner castings are locked to each other also with a coupling means according to the invention via the gripping holes in the side surfaces of the corner castings.
- Fig. 4 presents an embodiment wherein coupling means are installed into the gripping holes in both the front and the side surfaces.
- Fig. 5 presents a cross-section of two corner castings one above the other, in the idle state, which castings are locked with a conventional twistlock and with a coupling means according to the invention.
- Fig. 6 presents the same as Fig. 5, but when under tension loading.
- Fig. 1 thus presents the corner castings of two intermodal containers that are one above the other.
- the upper corner casting 1 belongs to the upper container and the lower corner casting 2 to the lower container.
- the actual containers are not presented in these drawings but, as is known in the art, intermodal containers have a corner casting on each corner, by means of which casting the containers can be locked together by using a twistlock 3.
- the twistlock is used by means of an operating wire 4 in a manner that is per se known in the art.
- the twistlock 3 thus locks together the container corner castings 1, 2 that are one above another.
- Fig. 2 the corner castings 1, 2 are locked with a coupling means 7 according to the invention as well as with a conventional twistlock 3.
- the coupling means 7 has been installed between gripping hole 5 in the front surface of the upper corner casting 1 and the gripping hole 5' in the front surface of the lower corner casting 2. Also in Fig.
- the corner castings 1, 2 are locked with a coupling means 7 according to the invention as well as with a conventional twistlock 3.
- the coupling means 7 has been installed between the gripping hole 6 in the side surface of the upper corner casting 1 and the gripping hole 6' in the side surface of the lower corner casting 2.
- Fig. 4 presents a combination of the solutions of Figs. 2 and 3, i.e. there are two units of coupling means 7, one between the gripping holes 5, 5' of the front surface, and one between the gripping holes 6, 6' of the side surface.
- Fig. 5 presents a cross-section wherein the corner casting 1 of the bottom corner of the upper container rests in the idle state on top of the body 8 of the twistlock, which in turn rests on top of the corner casting 2 of the top corner of the lower container.
- a coupling means 7 is installed into the gripping holes 6, 6' in the side surfaces of the corner castings 1, 2. The coupling means 7 rests supported on the inside surface 11 of the upper corner casting 1.
- a clearance A remains between the upper retaining clip 9 of the twistlock and the inside surface 11 of the upper corner casting and, correspondingly, a clearance B remains between the lower retaining clip 10 of the twistlock and the inside surface 12 of the lower corner casting 2.
- These clearances make the locking and opening of the twistlock in harbor possible.
- a clearance C remains between the bottom part of the coupling means 7 and the inside surface 12 of the lower corner casting 2.
- the dimensioning of the coupling means 7 is such that the clearance C equals the sum of the clearances A and B.
- Fig. 6 presents the tension loading of the arrangement according to Fig. 5, wherein tension is thus exerted in the direction of the arrow V. Tension loading can be produced e.g.
- both the twistlock 3 and the coupling means 7 bear the load simultaneously, it is possible to increase the height and/or weight of a stack of containers compared to a conventional arrangement in which only a twistlock is used.
- the coupling means 7 is installed in the front surface or the side surface of the corner castings 1, 2, or in both these surfaces.
- the coupling means 7 can thus be installed between the corner castings of intermodal containers that are one above another, one beside another and/or end-to-end.
- a coupling means can be fastened into the gripping holes 5, 5'; 6, 6' of a corner casting of an intermodal container by means of turnable locking elements or by means of fixed locking claws (not presented in the drawings).
- the fastening can also be effected by means of magnets.
- the coupling means 7 with a support arm facilitating handling (not presented in the figures).
- the support arm can be fastened at one of its ends directly or indirectly to hull structures of the ship or to a lashing bridge.
- a coupling means provided with a support arm can transmit forces between an intermodal container and the hull structures of the ship or a lashing bridge.
- a coupling means 7 is essentially a U-shaped part, the free ends of which are fastened into the gripping holes 5, 5'; 6, 6' of the corner castings of intermodal containers.
- a coupling means 7 in different points of a stack of containers is determined, inter alia, on the basis of the height of the container stack and on the basis of the weight of the containers.
- a coupling means can also be fabricated from a more flexible material, which must be taken into account when dimensioning the magnitudes of the clearances A, B and C.
- a coupling means can include a clearance adjustment property, implemented e.g. with a screw-like structure.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Ocean & Marine Engineering (AREA)
- Stackable Containers (AREA)
- Connection Of Plates (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020207014787A KR102672187B1 (en) | 2017-10-25 | 2018-10-22 | Method and joining means for locking together intermodal containers transported on board a ship |
EP18871657.5A EP3700834B1 (en) | 2017-10-25 | 2018-10-22 | System comprising coupling means for locking together intermodal containers being transported on a ship |
CN201880068210.0A CN111247074B (en) | 2017-10-25 | 2018-10-22 | Method and coupling device for locking together intermodal containers for transport on board a ship |
DK18871657.5T DK3700834T3 (en) | 2017-10-25 | 2018-10-22 | SYSTEM COMPREHENSIVE COUPLING MEANS FOR LOCKING INTERMODAL CONTAINERS CARRIED ON A SHIP |
SG11202002534TA SG11202002534TA (en) | 2017-10-25 | 2018-10-22 | Method and coupling means for locking together intermodal containers being transported on a ship |
JP2020521343A JP7381456B2 (en) | 2017-10-25 | 2018-10-22 | Methods and means of locking together intermodal containers transported by ship |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI20175943A FI128076B (en) | 2017-10-25 | 2017-10-25 | Coupling means for locking together corner fittings on containers being transported on a ship |
FI20175943 | 2017-10-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2019081810A1 true WO2019081810A1 (en) | 2019-05-02 |
Family
ID=66247772
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FI2018/050771 WO2019081810A1 (en) | 2017-10-25 | 2018-10-22 | Method and coupling means for locking together intermodal containers being transported on a ship |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP3700834B1 (en) |
JP (1) | JP7381456B2 (en) |
CN (1) | CN111247074B (en) |
DK (1) | DK3700834T3 (en) |
FI (1) | FI128076B (en) |
SG (1) | SG11202002534TA (en) |
WO (1) | WO2019081810A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2022211315A1 (en) * | 2021-04-02 | 2022-10-06 | 한국조선해양 주식회사 | Container ship |
EP4332022A1 (en) * | 2022-08-31 | 2024-03-06 | MacGregor Finland Oy | Locking arrangement for locking containers together, container lock and method for joining containers stacked on top of each other |
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EP0776302B1 (en) | 1994-08-19 | 1999-11-03 | MacGREGOR-CONVER GmbH | Coupling piece for detachably interconnecting containers |
DE10200401A1 (en) | 2002-01-08 | 2003-07-24 | Aloys Wobben | Device for handling piece goods |
EP1194353B1 (en) | 1999-07-12 | 2004-02-25 | MacGregor-Conver GmbH | Stowage pieces for securing the position of containers placed on board ships and method for stowing containers |
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GB2439864A (en) | 2003-10-17 | 2008-01-09 | Big Steps Ltd | Building modules |
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FR2971239A1 (en) | 2011-02-08 | 2012-08-10 | Marc Conesa | Fixing device for fixing ISO corners of adjacent shipping containers, has magnetized plate shaped to be inserted and locked within ISO corner of container, and provided with projection projected with respect to ISO corner |
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-
2018
- 2018-10-22 JP JP2020521343A patent/JP7381456B2/en active Active
- 2018-10-22 SG SG11202002534TA patent/SG11202002534TA/en unknown
- 2018-10-22 DK DK18871657.5T patent/DK3700834T3/en active
- 2018-10-22 EP EP18871657.5A patent/EP3700834B1/en active Active
- 2018-10-22 CN CN201880068210.0A patent/CN111247074B/en active Active
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DE1988580U (en) | 1968-03-30 | 1968-06-27 | Blohm Voss Ag | COUPLING FOR COUPLING CONTAINERS. |
WO1989007079A1 (en) | 1988-02-04 | 1989-08-10 | Taiyo Seiki Iron Works Co., Ltd. | Connecting member of containers |
GB2246161A (en) * | 1990-07-06 | 1992-01-22 | Blair George Ltd | Means for securing freight containers together |
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FR2971239A1 (en) | 2011-02-08 | 2012-08-10 | Marc Conesa | Fixing device for fixing ISO corners of adjacent shipping containers, has magnetized plate shaped to be inserted and locked within ISO corner of container, and provided with projection projected with respect to ISO corner |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2022211315A1 (en) * | 2021-04-02 | 2022-10-06 | 한국조선해양 주식회사 | Container ship |
EP4332022A1 (en) * | 2022-08-31 | 2024-03-06 | MacGregor Finland Oy | Locking arrangement for locking containers together, container lock and method for joining containers stacked on top of each other |
Also Published As
Publication number | Publication date |
---|---|
JP2021500272A (en) | 2021-01-07 |
DK3700834T3 (en) | 2023-10-09 |
EP3700834A1 (en) | 2020-09-02 |
CN111247074B (en) | 2021-12-14 |
FI128076B (en) | 2019-09-13 |
KR20200074980A (en) | 2020-06-25 |
EP3700834B1 (en) | 2023-07-19 |
SG11202002534TA (en) | 2020-04-29 |
FI20175943A1 (en) | 2019-04-26 |
JP7381456B2 (en) | 2023-11-15 |
CN111247074A (en) | 2020-06-05 |
EP3700834A4 (en) | 2021-06-23 |
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