GB2458697A - Floating vessel coupling system - Google Patents
Floating vessel coupling system Download PDFInfo
- Publication number
- GB2458697A GB2458697A GB0805679A GB0805679A GB2458697A GB 2458697 A GB2458697 A GB 2458697A GB 0805679 A GB0805679 A GB 0805679A GB 0805679 A GB0805679 A GB 0805679A GB 2458697 A GB2458697 A GB 2458697A
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- United Kingdom
- Prior art keywords
- coupling
- coupling member
- dimension
- opening
- opening portion
- Prior art date
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- 230000008878 coupling Effects 0.000 title claims abstract description 221
- 238000010168 coupling process Methods 0.000 title claims abstract description 221
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 221
- 230000000712 assembly Effects 0.000 claims description 9
- 238000000429 assembly Methods 0.000 claims description 9
- 239000002184 metal Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000003466 welding 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
- B63B21/00—Tying-up; Shifting, towing, or pushing equipment; Anchoring
- B63B21/56—Towing or pushing equipment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
- B63B35/34—Pontoons
- B63B35/38—Rigidly-interconnected pontoons
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
- E02B17/02—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor placed by lowering the supporting construction to the bottom, e.g. with subsequent fixing thereto
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Ocean & Marine Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
A coupling system 42 for coupling adjacent floating vessels 102 and 104 is provided which comprises a first coupling assembly 2 comprising a pin with opposite end portions 4 and 6 of a larger cross sectional dimension than an intermediate connecting portion 8, a second coupling assembly 22a, for mounting on a side portion of a first vessel 104, which has an opening (26, Fig 3) with a first opening portion (28, Fig 3) of the same size as the end portions of the pin and a second opening portion (30, Fig 3), extending horizontally from the first opening portion and of the same size as the connecting portion and a third coupling assembly 22b mounted on a side portion of a second vessel 102, similar or identical to the second coupling assembly. In use the pin is first engaged with the first opening portion of the second or third coupling assembly and then slid horizontally such that the connecting portion engages with the second opening portion to retain the pin. The remaining end portion of the pin is then inserted into the first opening portion of the other coupling assembly and the vessels are moved horizontally with respect to each other to engage the connecting portion of the pin with the other second opening portion. The coupling system is particularly suitable for use with jack-up barges.
Description
I
COUPLING SYSTEM
The present invention relates to a coupling system for connecting two floating vessels together, in particular barges. The coupling system finds particular use in the connecting and locking together of jack-up barges to form a platform. The present invention also relates to a barge comprising the coupling system.
Barges are used for a wide variety of water-and marine-based activities. In many applications, it is necessary to connect and lock adjacent barges together, for example to form a platform. One particular operation of this kind is the use of so-called Jack-up' barges. Jack-up barges are barges that may be individually floated to a location, typically an offshore location, where a platform is required. Once the requisite number of jack-up barges are at the location, two or more barges are rigidly connected together, to form a platform. The resulting platform is then raised on a plurality of legs extended downwards from the platform to the bed of the sea, river or lake. The platform is raised by a jacking mechanism cooperating with each leg to raise the platform the requisite height above the surface of the water Once at the required height, the jacking mechanism is locked in place to secure the platform.
Deconstruction of the platform is essentially the reverse of this procedure. Jack-up platforms find extensive use in civil construction projects and the off-shore exploration and production of oil and gas, in particular in oil and gas fields and locations in shallow water.
It will be appreciated that an essential component in the assembly of a platform from a plurality of jack-up barges is a rigid connection between adjacent barges. The connection must be sufficiently rigid to ensure the platform is stable enough for the necessary operations to be carried out. In addition, as the majority of **** jack-up barge installations are temporary, the means of connecting the barges should be easily released and reused Adjacent barges may be connected by bolts, in conventional manner.
* *, However, this can be time consuming to use, as a large number of individual bolts are generally required to provide a secure coupling of the barges. **.
A number of coupling systems for connecting barges, such as jack-up barges are known in the art. A first system comprises a male member or pin extending horizontally from a side portion of one barge and a female lock on a corresponding side portion of a second barge. The male pin has an end portion of a first, large diameter and a shank of reduced diameter. The female lock has a plate formed with an opening to accommodate the end portion and shank of the male pin. With the male pin inserted into the female lock, a locking plate, a form of clevis pin, having a slot therein is engaged with the shank of the pin behind the plate of the female lock, to hold the male pin engaged with the lock. A double-ended male pin adaptor may also be employed, to engage with opposing female locking plates on adjacent barges. in use, the locking plate is appiied verticaUy downwards to engage the slot of the plate with the shank of the male member In addition, typically several such coupling devices are required to connect two adjacent barges. It can be difficult to ensure that all couplings are securely connected and locked. It can also be difficult to lock an individual coupling, in particular to fully insert the locking plate. After use, it is particularly difficult to remove the locking plate and release the coupling to free the barges.
An alternative system for coupling barges, in particular jack-up barges, relies upon a form of sliding dovetail connection. A first member, secured to the side of one barge comprises a horizontal dovetailed extension having a longitudinal taper. A second member, secured to the side of a second barge, comprises a complementary dovetailed and tapered recess for receiving the dovetailed extension of the first member. The coupling is made by engaging the first and second members and moving the barges horizontally with respect to one another, to engage the tapered dovetailed extension and recess. A locking pin may be employed to secure the coupling. In use, it is difficult to engage and properly lock the dovetailed portions of *::::* the coupling system Further, the first and second members can be very difficult to separate, especially after extended periods of connection, for example due to : 30 corrosion. As access to the interlocking dovetailed portions is severely limited, it can be a major problem to release the two tapered portions. *. S.
Accordingly, there is a need for an improved system for coupling floating *S.
vessels, such as barges and jack-up barges.
According to the present invention, there is provided a coupling system for coupling adjacent floating vessels, the coupling system comprising: a first coupling assembly for mounting on a side portion of a first vessel, the first coupling assembly comprising a male coupling member having a first end portion of a first cross-sectional dimension and a first intermediate portion of a second cross-sectional dimension, the first dimension being larger than the second dimension; and a second coupling assembly for mounting on a side portion of a second vessel, the second coupling assembly comprising a female coupling member having an opening therein, the opening having a first opening portion of the first dimension and a second opening portion extending from the first opening portion and of the second dimension; wherein, in use, the second coupling assembly is mounted on a side portion of the second vessel with the second opening portion extending substantially horizontally from the first opening portion; whereby, the first end portion of the male coupling member may be inserted into the first opening portion of the opening in the female coupling member and the second vessel moved horizontally with respect to the first vessel to engage the intermediate portion of the male coupling member with the second opening portion of the female coupling member The coupling system of the present invention provides a simple manner of connecting floating vessels, such as barges and the like. The coupling system provides a very rigid connection between adjacent barges, allowing a stable platform to be formed. Most advantageously, the coupling system is easy to release, even *:.::* after extended use of the platform. *.S.
As noted, the coupling system comprises a first coupling assembly having a male coupling member. The male coupling member is a generally elongate member which, in use, extends between the vessels to be connected. Preferably, the male coupling member is releasably connected to the first coupling assembly. In this way, a damaged or worn male coupling member may be easily replaced, without requiring major work to either vessel. *S.
S
In a preferred arrangement, the first coupling assembly has a form similar to the second coupling assembly, that is comprises a female coupling member having an opening therein, the opening having a first opening portion of a third dimension and a second opening portion extending from the first opening portion and of a fourth dimension, the third dimension being larger than the fourth dimension. The male coupling member, for releasably engaging with the first coupling assembly, preferably further comprises comprises a second end portion having a cross-section of the third dimension and a second intermediate portion having a cross-section of the fourth dimension, whereby the second end portion of the male coupling member may be inserted into the first opening portion of the opening in the female coupling member and the male coupling member moved with respect to the female couphng member to engage the second intermediate portion of the male coupling member with the second opening portion of the female coupling member.
The first and third dimensions refer to the cross-sectional area of the end portions of the male coupling member. The end portions may be any suitable shape, but are most preferably circular in cross-section, such that the first and third dimensions refer to the diameter of the end portions. The first and third dimensions are preferably the same.
The male coupling member further has a first and, preferably, a second intermediate portion, the dimensions of which are related to and smaller than the respective end portions. The intermediate portions may have any suitable form, provided that they have a dimension smaller than the respective end portion. For example, the reduced dimension may be a slot or groove formed in the or each intermediate portion. More preferably, the or each intermediate portion is circular in cross-section having a diameter less than the corresponding end portion. Preferably, *.S.
the male coupling member has both first and second intermediate portions, which are sized to have the second and fourth dimensions the same a...
In a particularly preferred embodiment, the male coupling member is generally circular in cross-section, with the end portions having the first and third S dimensions being the diameter of the circular cross-section and equal. Similarly, the S..
first and second intermediate portions have the second and fourth dimensions being the diameter of the circular cross-section and equal. In this way, the male member has the general form of a so-called dumb-bell'.
The or each female coupling member comprises an opening, which is generally elongate, for example in the form of a slot The opening has a first portion having a dimension that allows an end portion of the male coupling member to enter.
A second portion of the opening extends from the first and is of a smaller dimension, such that the end portion of the male coupling member will not pass through. The second portion is sized to accept and engage with an intermediate portion of the male coupling member.
Preferably, although the male coupling member is releasable from the first coupling assembly, the first coupling assembly comprises means for retaining the male coupling member in engagement, preferably means for retaining the male coupling member engaged with the second opening portion of the female coupling member. The male coupling member may comprise a lateral bore in its respective end portion, which is engaged by suitable means to lock the male coupling member in position in the opening. The locking means may by any suitable means, but is conveniently a rod having a threaded portion for releasably engaging with the female coupling member, for example by means of a nut or the like.
The coupling members of the system of the present invention are preferably formed to engage tightly with one another. Engagement of the first and second coupling assemblies is achieved by moving one vessel horizontally with respect to the other, whereby the intermediate portion of the male coupling member extending from one vessel is engaged with the second portion of the opening in the female coupling member on the second vessel. To provide this relative movement, the system preferably comprises suitable means, such as a hydraulic ram or the like.
The coupling system of the present invention may be used to connect a wide range of vessels, but finds particular use in the coupling of barges or pontoons. In particular, the system is advantageous when installed on jack-up barges and to provide a platform from the same. *S.
A single coupling system may be employed to connect two vessels However, it is preferred to provide two or more systems for connecting two vessels.
One vessel may be provided with the first coupling assembly of the or each system and the second vessel provided with the second coupling assembly of the or each system. Alternatively, a given vessel may comprise a mixture of first and second coupling assemblies.
As described, in a preferred embodiment, the coupling system of the present invention comprises three key components, that is a male coupling member and two female coupling members, one for each vessel. Accordingly, this embodiment may be defined as coupling system for coupng adjacent floating vessels, the coup!ing system comprising: a first coupling assembly comprising a male coupling member having a first end portion of a first cross-sectional dimension and a first intermediate portion of a second cross-sectional dimension, the first dimension being larger than the second dimension; and a second end portion of a third cross-sectional dimension and a second intermediate portion of a fourth cross-sectional dimension, the third dimension being larger than the fourth dimension; a second coupling assembly for mounting on a side portion of a first vessel, the second coupling assembly comprising a female coupling member having an opening therein, the opening having a first opening portion of the first dimension and a second opening portion extending from the first opening portion and of the second dimension; and a third coupling assembly for mounting on a side portion of a second vessel, the third coupling assembly comprising a female coupling member having an opening therein, the opening having a first opening portion of the third dimension and a *:*::* second opening portion extending from the first opening portion and of the fourth dimension; wherein, in use, the second coupling assembly is mounted on a side portion 30 of the first vessel with the second opening portion extending substantially horizontally from the first opening portion and the third coupling assembly is mounted on a side portion of the second vessel with the second opening portion extending substantially horizontally from the first opening portion; and the first coupling assembly may be **.
engaged with one of the second or third coupling assemblies by extending an end portion of the male coupling member into the first opening portion and moving the male coupling member to engage an intermediate portion with the second opening portion; whereby, the remaining end portion of the male coupling member may be inserted into the first opening portion of the opening in the female coupling member of the other of the second and third coupling assemblies and the second vessel moved horizontally with respect to the first vessel to engage an intermediate portion of the male coupling member with the second opening portion of the female coupling member. I0
Embodiments of the present invention will now be described, by way of example only, having reference to the accompanying figures, in which: Figure 1 is a side view representation of a male coupling member of one embodiment of the coupling system of the present invention: Figure 2 is a female coupling member for use with the male coupling member of Figure 1: Figure 3 is a coupling assembly comprising the male coupling member of Figure 1 and the female coupling member of Figure 2; and Figure 4 is cross-sectional view of a portion of a platform formed from two jack-up barges coupled by the coupling system of the present invention.
Referring to Figure 1, there is shown a male coupling member, generally indicated as 2, having a preferred form. The male coupling member 2 has a first generally cylindrical end portion 4 and a second generally cylindrical end portion 6. A single intermediate portion 8 extends between the two end portions 4 and 6. The " 30 end portions 4, 6 and the intermediate portion 8 are generally circular in cross-section and the coupling member 2 is typically formed from a single piece of metal * ** rod, As shown in Figure 1, the intermediate section 8 has a diameter considerably less than the diameters of the end portions 4, 6. The end portions 4, 6 have *Ss generally the same diameter.
A bore 10 extends laterally through the second end portion 6.
Referring to Figure 2, there is shown a female coupling member, generally indicated as 22, for use with the male coupling member shown in Figure 1. The female coupling member 22 comprises a generally flat metal plate 24, which may be mounted to a vessel, such as a jack-up barge, by any suitable means, for example by bolts and/or welding. An opening 26 is formed in the plate 24, having a generally circular first opening portion 28. The first opening portion 28 has a diameter equal to the diameter of the end portions 4, 6 of the male coupling member 2 shown in Figure 1, such that the end portions 4, 6 wiii pass through the first opening portion 28. A second opening portion, in the form of an elongate slot 30, extends longitudinally from the first opening portion 28. The width of the slot 30 is less than the diameter of the first opening portion 28 and equal to the diameter of the intermediate portion 8 of the male coupling member A coupling assembly, generally indicated as 42, is shown in Figure 3. The coupling assembly 42 comprises a generally rectangular housing 44 having an end plate 46 and a front formed from a female coupling member 22 as shown in Figure 2.
A male coupling member 2 (shown in sectional view through the intermediate section 8) is shown with its second end portion 6 engaged within the housing 44 behind the slot 30 of the female coupling member 22 and its intermediate portion 8 retained in the end portion of the slot 30 A threaded rod 48 extends through the bore 10 in the second end portion 6 of the male coupling member 2 and through a hole 50 in the end plate 46 of the housing 44. Nuts 52 and 54 retain the rod 48 and the male coupling member 2 in position. * *.
Should the male coupling member 2 need to be removed from the coupling assembly 42, the nuts 52, 54 are undone and the rod 48 released, allowing the male e.* coupling member 2 to be slid along the slot 30 until the second end portion 6 may be removed from within the housing 44 through the first opening portion 28. *. S.
Referring to Figure 4, there is shown a cross-sectional view through a *.S coupling system comprising the assemblies and components of Figures 1 to 3, as installed on a platform constructed from two jack-up barges. Portions of the opposing sides of the two jack-up barges are shown and indicated by reference numerals 102 and 104. A coupling assembly 42 is shown installed in the side 104 of one barge. The coupling assembly 42 comprises a first female coupling member 22a, as shown in Figure 2. A second female coupling member 22b is shown installed in the opposing side 102 of the second barge. The coupling assembly 42 has installed therein a male coupling member 2, as shown in Figure 1 and described herein before To form the coupling, the two barges are brought together, allowing the first end portion 4 of the male coupling member 2 to pass through the first opening 28b in the second female coupling member 22b. The two barges are then movea norizontaily with respect to one another, causing the first end portion 4 of the male coupling member 2 to pass along the inside surface of the second female coupling member 22b and the intermediate portion 8 of the male coupling member 2 to engage with a slide along the slot 30b of the second female coupling member 22b.
The barges are thereby coupled together.
The close fitting of the male and female coupling members holds the barges together rigidly. A hydraulic ram or jack (not shown for clarity) is used to move the barges to form and release the coupling.
Generally, a plurality of the couplings shown in Figure 4 are formed between two adjacent barges, to ensure a strong and rigid connection and to provide a * ** * * * * ** S... * S... S... S... *S.
S ** S. * S 5
S
S **.
Claims (5)
- CLAIMS1 A coupling system for coupling adjacent floating vessels, the coupling system comprising a first coupling assembly for mounting on a side portion of a first vessel, the first coupling assembly comprising a male coupling member having a first end portion of a first cross-sectional dimension and a first intermediate portion of a second cross-sectional dimension, the first dimension being larger than the second dimension; and a second coupling assembly for mounting on a side portion of a second vCSSCI, the second coupng assembly comprising a female coupling member having an opening therein, the opening having a first opening portion of the first dimension and a second opening portion extending from the first opening portion and of the second dimension, wherein, in use, the second coupling assembly is mounted on a side portion of the second vessel with the second opening portion extending substantially horizontally from the first opening portion, whereby, the first end portion of the male coupling member may be inserted into the first opening portion of the opening in the female coupling member and the second vessel moved horizontally with respect to the first vessel to engage the intermediate portion of the male coupling member with the second opening portion of the female coupling member.
- 2 The coupling assembly according to claim 1, wherein the male coupling member is releasably connected to the first coupling assembly.
- 3. The coupling assembly according to claim 2, wherein the first coupling *.* S assembly comprises a female coupling member having an opening therein, the opening having a first opening portion of a third dimension and a second opening portion extending from the first opening portion and of a fourth dimension, the third dimension being larger than the fourth dimension S. : *
- 4. The coupling system according to claim 3, wherein the male coupling member S..* further comprises a second end portion having a cross-section of the third dimension and a second intermediate portion having a cross-section of the fourth dimension, whereby the second end portion of the male coupling member may be inserted into the first opening portion of the opening in the female coupling member and the male coupling member moved with respect to the female coupling member to engage the second intermediate portion of the male coupling member with the second opening portion of the female coupling member
- 5. The coupling system according to either of claims 3 or 4, wherein the first dimension is equal to the third dimension and/or the second dimension is equal to the fourth dimension.6 The coupling system according to claim 4, wherein the first coupling assembly comprises means for retaining the male coupling member in engagement with the second opening portion of the female coupling member.7. The coupling system according to claim 6, wherein the means for retaining the male coupling member in engagement comprises a lateral bore in the second end portion of the male member and a locking means for engaging with the lateral bore.8 The coupling system according to claim 7, wherein the locking means comprises a rod extending through the lateral bore and connectable to the female coupling member.9. The coupling system according to claim 8, wherein the rod has a threaded portion for releasably engaging with the female coupling member.10. The coupling system according to any preceding claim, further comprising means for moving the male coupling member with respect to the second coupling assembly.11. The coupling system according to claim 10, wherein the said means comprises a hydraulic ram. S..12. The coupling system according to any preceding claim, wherein the first and second vessels are barges or pontoons.13. The coupling system according to claim 12, wherein the first and second vessels are jack-up barges.14. A vessel comprising at least one of the first and second coupling assemblies defined in any of claims 1 to 9.15. The vessel according to claim 14 comprising at least one of each of the first and second coupling assemblies.16 The vessel according to either of claims 14 or 15 being a barge, in particular a jack-up barge.17. A platform comprising a plurality of jack-up barges according to claim 16.18 A coupling system for coupling adjacent floating vessels, the coupling system comprising: a first coupling assembly comprising a male coupling member having a first end portion of a first cross-sectional dimension and a first intermediate portion of a second cross-sectional dimension, the first dimension being larger than the second dimension; and a second end portion of a third cross-sectional dimension and a second intermediate portion of a fourth cross-sectional dimension, the third dimension being larger than the fourth dimension; a second coupling assembly for mounting on a side portion of a first vessel, * us the second coupling assembly comprising a female coupling member having an * opening therein, the opening having a first opening portion of the first dimension and a second opening portion extending from the first opening portion and of the second dimension; and a third coupling assembly for mounting on a side portion of a second vessel, *. *, the third coupling assembly comprising a female coupling member having an opening therein, the opening having a first opening portion of the third dimension and a I..Isecond opening portion extending from the first opening portion and of the fourth dimension; wherein, in use, the second coupling assembly is mounted on a side portion of the first vessel with the second opening portion extending substantially horizontally from the first opening portion and the third coupling assembly is mounted on a side portion of the second vessel with the second opening portion extending substantially horizontally from the first opening portion; and the first coupling assembly may be engaged with one of the second or third coupling assemblies by extending an end portion of the male coupling member into the first opening portion and moving the male coupling member to engage an intermediate portion with the second opening portion, whereby, the remaining end portion of the male coupling member may be inserted into the first opening portion of the opening in the female coupling member of the other of the second and third coupling assemblies and the second vessel moved horizontally with respect to the first vessel to engage an intermediate portion of the male coupling member with the second opening portion of the female coupling member 19. A coupling system substantially as hereinbefore described having reference to the accompanying figures.20. A barge substantially as hereinbefore described having reference to the accompanying figures. * ** * * * * *. S... * . *SS. *5*. **..S **.I S. ** * III I..I
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB0805679A GB2458697B (en) | 2008-03-28 | 2008-03-28 | Coupling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB0805679A GB2458697B (en) | 2008-03-28 | 2008-03-28 | Coupling system |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| GB0805679D0 GB0805679D0 (en) | 2008-04-30 |
| GB2458697A true GB2458697A (en) | 2009-09-30 |
| GB2458697B GB2458697B (en) | 2010-12-01 |
Family
ID=39386929
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB0805679A Expired - Fee Related GB2458697B (en) | 2008-03-28 | 2008-03-28 | Coupling system |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB2458697B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108995768A (en) * | 2018-07-10 | 2018-12-14 | 浙江海洋大学 | A kind of oceanographic buoy convenient for assembling |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3805721A (en) * | 1972-06-26 | 1974-04-23 | Robishaw Eng Inc | Float connection apparatus |
| EP0272739A1 (en) * | 1986-12-16 | 1988-06-29 | Jan Zwagerman | Constructive assembly for pontons comprising separate assembly parts |
| JPH09228353A (en) * | 1996-02-27 | 1997-09-02 | Kajima Corp | Offshore platform and its assembling method |
-
2008
- 2008-03-28 GB GB0805679A patent/GB2458697B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3805721A (en) * | 1972-06-26 | 1974-04-23 | Robishaw Eng Inc | Float connection apparatus |
| EP0272739A1 (en) * | 1986-12-16 | 1988-06-29 | Jan Zwagerman | Constructive assembly for pontons comprising separate assembly parts |
| JPH09228353A (en) * | 1996-02-27 | 1997-09-02 | Kajima Corp | Offshore platform and its assembling method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108995768A (en) * | 2018-07-10 | 2018-12-14 | 浙江海洋大学 | A kind of oceanographic buoy convenient for assembling |
Also Published As
| Publication number | Publication date |
|---|---|
| GB0805679D0 (en) | 2008-04-30 |
| GB2458697B (en) | 2010-12-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20120328 |