EP1280697B1 - Corps d'amarrage avec revetement pour empecher la salissure d'un navire - Google Patents

Corps d'amarrage avec revetement pour empecher la salissure d'un navire Download PDF

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Publication number
EP1280697B1
EP1280697B1 EP01925308A EP01925308A EP1280697B1 EP 1280697 B1 EP1280697 B1 EP 1280697B1 EP 01925308 A EP01925308 A EP 01925308A EP 01925308 A EP01925308 A EP 01925308A EP 1280697 B1 EP1280697 B1 EP 1280697B1
Authority
EP
European Patent Office
Prior art keywords
cover
vessel
mooring
channel
water
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
Application number
EP01925308A
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German (de)
English (en)
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EP1280697A1 (fr
Inventor
Steen Olsen
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Olsen Design APS
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Olsen Design APS
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Publication date
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Priority to DK01925308T priority Critical patent/DK1280697T3/da
Publication of EP1280697A1 publication Critical patent/EP1280697A1/fr
Application granted granted Critical
Publication of EP1280697B1 publication Critical patent/EP1280697B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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 
    • B63B59/00—Hull protection specially adapted for vessels; Cleaning devices specially adapted for vessels
    • B63B59/04—Preventing hull fouling
    • B63B59/045—Preventing hull fouling by wrapping the submerged hull or part of the hull with an impermeable sheet

Definitions

  • the invention relates to a mooring in a water area having elements for mooring a vessel and comprising that the mooring is arranged with a cover moored to said elements or other elements at the mooring, that the cover has a rest position allowing entering of the vessel and an active position in which the cover is mainly close to the entered vessel, that the cover is made of a flexible material which is at least substantially light- and waterproof, and that the cover is enclosing at least the chief part of the vessel which is below the water surface as the cover in the active position is extending in under the moored vessel from a free edge on one side of the vessel to a free edge on the other side of the vessel, and that the cover is provided with at least one buoyant body along its free edges for keeping the free edges afloat in the water.
  • the fouling which typically includes algae and acorn barnacles is liable to cause damage to the underwater body of the vessel and moreover, it increases the resistance which the vessel encounters while advancing in the water. The fouling is therefore attempted to be fought with antifouling paints containing toxic chemicals which said organisms cannot stand.
  • the chemicals are dissolved or dispersed in the surrounding water to a great or small extent to the detriment of the fauna and flora in the respective water area.
  • the chemicals can ultimately end up in the organism of people who for example eat fish from the area.
  • Such a cover shuts out the light and thereby prevents the photosynthesis which is a condition of organisms such as algae being able to live in the surrounding water and settling as unwanted fouling on the underwater body.
  • the cover blocks the inflow of fresh water to the area around the underwater body.
  • a similar mooring is known from US Patent No 4,282,822.
  • a shroud is kept forcedly under water when not in use.
  • the shroud is brought up under the underwater hull of the vessel by inflatable buoyant bodies.
  • the sheet is made of a flexible material which in an uncontrolled manner is hanging down into the water from the buoyant bodies.
  • the object of the invention is to provide a mooring of the kind mentioned in the opening paragraph, that has a simple and inexpensive design.
  • a second object of the invention is to provide mooring of the kind mentioned in the opening paragraph, that is quick and easy to operate.
  • a third object of the invention is to provide a cover arranged for a mooring of the kind mentioned in the opening paragraph, and which easily and quickly can be fitted to vessels of different sizes and shapes.
  • a fourth object of the invention is to provide a cloth for manufacturing a cover for a mooring of the kind mentioned in the opening paragraph.
  • the vessel In the rest position, the vessel is freely allowed to sail out of and in to the cover whereas the cover in its active position encloses a water volume so small that the conditions for living organisms to exist are very limited.
  • the end edge can be provided with a preferably elongated weight for keeping the passage open during this.
  • the opening can be closed with a closing line which pulls the free edges at the rear end of the cover together whereby the end edge can be folded by the preferably elongated weight hanging down from the free edges.
  • the cover can be hanged on e.g. posts at the mooring by means of ropes but in an advantageous embodiment, the cover is arranged in such a way that it itself can float on the water.
  • an upper buoyant body can be made along each of the two free edges of the cover whereas a lower weight can be disposed at the bottom of the cover, said weight having a weight/size smaller than the total buoyancy of the buoyant bodies and serving for keeping the cover down in the water.
  • the cover in its active position is close to the underwater body of the vessel in order to thereby limit the chances of survival of the living organisms in the remaining small amount of water around the hull.
  • the cover can e.g. be pulled in to the underwater body by means of lines which are pulled by the crew of the vessel but thereby the crew are forced to carry out the heavy and hard job of displacing the large volumes of water which are between the cover and the hull in the rest position.
  • this job is instead carried out by buoyant bodies which are located on either side of the cover in an area between the lower weight and the upper buoyant body and which jointly have a buoyancy that is smaller than the weight of the lower weight.
  • the other buoyant bodies can advantageously be placed in such a way on the cover that they will be at the transition between the hull and the keel of the moored vessel in the active position of the cover.
  • the invention also relates to a cover for the above-mentioned mooring.
  • this cover in an area between the lower weight and the upper buoyant bodies, can be designed with at least one pocket having a volume which is enlarged by filling with a fluid such as air or water.
  • said pocket When said pocket is enlarged from a flat-laid to an enlarged state, its extent is reduced in the plane of the cover whereby the size and shape of the cover can be adapted individually to a specific vessel.
  • a number of pockets or channels located and shaped appropriately are normally required for this purpose.
  • this wall will advantageously be able to enter into and fill cavities in the area at e.g. propeller, rudder and keel when the pocket or channel are inflated so that as little water as possible also will be left in these areas for organisms to live in, organisms that otherwise would be inclined to settle as fouling on the underwater body of the vessel.
  • Pockets in form of channels can advantageously be extending in direction from the entrance end to the head of the vessel and be placed at the transition between the hull and keel of a moored vessel when the cover is in its active position.
  • the cover can furthermore consist of a flexible cloth which is stiffened by a number of elongated, flexible stiffening members that can comprise at least one flexible stiffening member placed on either side of the keel and mainly extending in direction from the entrance end to the head of the vessel.
  • the flexible stiffening member can be formed by a fluid-filled channel.
  • Figs. 1 - 3 show a mooring 1 with a first embodiment of a cover 2 according to the invention for protecting a vessel 3 against being fouled by living organisms, such as acorn barnacles and algae.
  • the vessel which in fig. 2 is shown in phantom line, is moored to the bridge 4 and the posts 5, respectively, by means of other mooring lines 7.
  • One or several of the mooring lines to the cover and the vessel can be stiff or elastic according to need.
  • the cover consists of a flexible cloth 8 made of a light- and waterproof material. Along the upper edge, the cloth is provided with buoyant pipes 9 for keeping the cloth afloat on the water, and it is provided with a chain 10 along the lower edge for weighing it down in the water.
  • the lightproof cloth is now forming a barrier to the light which therefore is not able to penetrate in to the living organisms that might be behind the cover and that need light for the photosynthesis which is a condition of them being able to exist.
  • the fouling of the underwater body of the vessel is prevented or hindered by lack of light.
  • the mooring 1 is provided with a second embodiment of a cover 11 according to the invention for protecting the vessel 3 against being fouled by e.g. acorn barnacles and algae.
  • the cover consists of a flexible cloth 12 of a light- and waterproof material. Along the upper edge of the cloth is a buoyant pipe 13 for keeping the cloth 12 afloat on the water and at the bottom a lower chain 14 for weighing the cloth down in the water.
  • the cloth is not open at the bottom as in the embodiment of the cover in figs. 1 - 3 but is on the contrary closed, the cloth now extending all the way under the water between a - seen in the figures - right upper edge 15a and a left upper edge 15b.
  • the cover 11 is moored to the bridge 4 and at the rear end 17 to the posts 5 by means of the mooring lines 6.
  • the upper edges 15a,b pass into an end edge 18.
  • a chain 19 is located for weighing the cloth down in the water at the area at the end edge.
  • the lower chain 14 is connected to a left and right line 20a,b which in the case shown, are fastened in the area at the end edge 18 of the cover and the upper edges, 15a and 15b respectively, of the cloth.
  • a passage 21 is formed that allows the vessel to sail in to and out of the cover when this cover is in its rest position.
  • the cloth is provided with buoyant bodies 22a,b along each side, which is seen best in figs. 6, 7 and 8. These buoyant bodies are placed in an area between the lower weight 14 and the respective upper edge 15a,b.
  • each of the lines 20a,b is caught by means of e.g. a boathook (not shown) and lifted quickly and easily up around a hook (not shown) on the stern of the vessel so that at least a part of the weight of the lower chain is now supported by these lines.
  • a boathook not shown
  • a hook not shown
  • buoyant bodies 22a,b are not kept down by the lower weight anymore and they will therefore, as shown in fig. 7, rise in the water and during this pull the surrounding cloth up with them whereby the entrapped amount of water in the cover is successively forced out through the still open passage 21 at the end of the cover.
  • the upper edges 15a,b of the cloth are pulled together in the area at the end edge 18 by means of a closing line (not shown) whereby the end edge 18 simultaneously is folded up and the passage to the vessel thereby is closed.
  • the cover is tightly closed around the underwater body of the vessel and is blocking out the light on all sides in this position, the light which is a condition of living organisms such as algae being able to exist.
  • the cover is hindering new living organisms access to the hull and is blocking the inflow of fresh water. Living organisms such as acorn barnacles will not be able to survive in the long run in the modest amount of water which is left between the underwater hull and the cover and which is not replaced.
  • the cover is an effective means of preventing fouling of the underwater body of a vessel, and the effect is advantageously achieved without polluting the surrounding environment and without causing unwanted damage to the fauna and the flora in the water area.
  • Fig. 9 shows a third embodiment of a cover 23 in active position on the vessel 3.
  • a lower chain 24 is weighing the cloth 25 of the cover down in the water whereas upper buoyant pipes 26 are keeping the edges of the cover afloat on the water surface 27.
  • the cloth 25 is provided with a number of inflatable channels 28 which in this case are interconnected so that quite a network of channels are formed that can be inflated via a valve 29 connected to a source (not shown) of e.g. air or water under pressure.
  • a source not shown
  • Figs. 10 and 11 show a section of the cloth 25 with a channel 28 which is flat-laid in fig. 10 and inflated in fig. 11. As can be seen, the cloth 25 is contracting crosswise of the channel 28 when this channel is inflated.
  • This characteristic is advantageously utilised to fitting the cover 23 in fig. 9 to the underwater body of the vessel 3 as the cloth 9 is contracted around the hull when the channels 28 are inflated.
  • Another significant advantage is that the same cover easily can be fitted individually to vessels of different sizes and shapes. Therefore, the covers do not need to be customised to specific vessels but can be prefabricated and held in stock in a small number of standard sizes so that the covers can be manufactured at a reasonable price.
  • Seen in cross-section, fig. 12 shows a fourth embodiment of a cover 30 in active position on the vessel 3.
  • a lower chain 31 is weighing the cloth 32 of the cover down in the water whereas upper buoyant pipes 33 are keeping the edges of the cover afloat on the water surface 27.
  • a first channel 34 and a second channel 35 are found in the area at the transition between the keel and hull of the vessel.
  • the length of the interior wall 36 of the first channel 34 facing the vessel is longer than the exterior wall 37 of the channel 34.
  • the interior wall of the channel will therefore settle as close as possible in the corner between the keel and the hull and thereby fill this corner so that there will be no favourable living conditions for living organisms in this area either.
  • the channels 34 and 35 are filled with air, they will advantageously be fulfilling the same function as the buoyant bodies 22a,b in figs. 6 - 8. The same applies, though to a less extent, if the channels are filled with fresh water instead.
  • the channels in figs. 9 - 12 can be interconnected and arranged to be inflated jointly via e.g. one valve each time the vessel is moored.
  • the channels can be inflated in advance so that the recurrent job of having to inflate them each time advantageously is eliminated.
  • the channels do not have to be interconnected either but can individually or in groups be provided with each their valve.
  • the cloth of a standard cover can thereby be adapted in advance to the size and shape of a specific vessel.
  • the cloth can be arranged with inflatable pockets serving the same purpose as said channels.
  • the pockets can e.g. be designed in such a way that they in inflated state will fill cavities at e.g. propeller and rudder.
  • Fig. 13 shows in perspective a fifth embodiment of a cover 38 in rest position.
  • a lower chain 39 is weighing the cloth 40 of the cover down in the water while an upper buoyant pipe 41 is keeping the edges of the cover afloat on the water surface.
  • a chain 42 is serving for weighing the cloth down in the water in the area at the end edge.
  • the flexible cloth 40 is stiffened by means of a longitudinal stiffening member 43 on either side of the keel area and a number of cross members 44.
  • the stiffening members are serving for keeping the cloth open in the rest position so that it is easy to sail in to it when the vessel is to be moored.
  • the stiffening members can e.g. be formed by air- or water-filled channels.
  • the weight need not necessarily consist of one continuous weight either but can instead consist of a number of individual parts which are placed on the cover in mutual spaced relationship.
  • the mentioned buoyant pipes along the upper side of the cover can be stiff so that they will stabilise the cover. But they can also have a flexibility that enable them to function as fenders.
  • the buoyancy at the edges of the cover can alternatively be provided by a number of individual buoyant bodies placed in mutual spaced relationship along the respective edge.
  • the other buoyant bodies placed between the lower weight 14 and upper edges 15a,b of the cover 11 can consist of buoyant pipes or a number of individual buoyant bodies placed in mutual spaced relationship along the cloth of the cover.
  • the upper part of the cloth of the cover can in itself be arranged with an appropriate buoyancy.
  • the cover can be made of a solid or more solid material such as e.g. polycarbonate within the scope of the invention.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Catching Or Destruction (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Physical Water Treatments (AREA)
  • Laminated Bodies (AREA)
  • Removal Of Floating Material (AREA)

Claims (16)

  1. Poste d'amarrage dans une zone aquatique avec des éléments (4 ; 5) pour amarrer un vaisseau (3) et comprenant le fait :
    que le poste d'amarrage (1) est pourvu d'un revêtement (2 ; 11) amarré auxdits éléments (4 ; 5) ou à d'autres éléments au poste d'amarrage,
    que le revêtement a une position de repos dans laquelle il permet l'entrée d'un vaisseau et une position active dans laquelle il est surtout proche du vaisseau à l'intérieur,
    que le revêtement (2 ; 11) est fabriqué dans une matière flexible (8 ; 12) qui est au moins essentiellement résistant à la lumière et à l'eau,
    que le revêtement (2 ; 11) enferme au moins la partie principale du vaisseau (3) qui est sous la surface de l'eau lorsque le revêtement en position active s'étend sous le vaisseau amarré (3) à partir d'un bord libre (15a) sur un côté du vaisseau (3) jusqu'à un bord libre (15b) sur l'autre côté du vaisseau (3), et
    que le revêtement est pourvu d'au moins un corps flottant (13 ; 26 ; 33 ; 41) le long de ses bords libres (15a, b) pour maintenir les bords libres (15a, b) à flot dans l'eau,
       caractérisé en ce que
       au moins un lest inférieur (14 ; 24 ; 31 ; 42) ayant un poids inférieur à la flottabilité totale des corps flottants (13 ; 26 ; 33 ; 42) est placé au fond de du revêtement (11).
  2. Poste d'amarrage selon la revendication 1, caractérisé en ce que le revêtement (11) est conçu avec au moins deux autres corps flottants (22a, b) placés de chaque côté de du revêtement (11) dans une zone entre le au moins un lest inférieur (14) et le au moins un corps flottant supérieur (13) et qui à eux deux ont une flottabilité inférieure au poids du lest inférieur (14).
  3. Poste d'amarrage selon la revendication 2, caractérisé en ce que, et dans le cas où le vaisseau (3) est pourvu d'une quille, les autres corps flottants (22a, b) sont placés de telle manière sur le revêtement (11) qu'ils seront au moins proches de la transition entre la coque et la quille du vaisseau amarré (3) quand le revêtement (11) est en position active.
  4. Poste d'amarrage selon l'une quelconque des revendications 1 à 3, caractérisé en ce que les bords libres (15a, b) du revêtement (11) forment à une extrémité (17) un bord terminal (18) délimitant dans la position de repos un passage (20) qui permet au vaisseau d'entrer et de sortir du revêtement (11).
  5. Poste d'amarrage selon la revendication 4, caractérisé en ce qu'au moins un lest flexible (19) ayant la forme par exemple d'une chaíne est placé sur le bord terminal du revêtement (11).
  6. Poste d'amarrage selon l'une quelconque des revendications 1 à 5, caractérisé en ce que les bords libres (15a, b) du revêtement (11) sont attenants l'un à l'autre en leur bord terminal (18) quand l'abri est dans sa position active.
  7. Poste d'amarrage selon l'une quelconque des revendications 1 à 6, caractérisé en ce qu'au moins une ligne (20a, b) fait partie du revêtement (11), ladite ligne étant reliée à au moins un lest inférieur (14) et disposée de façon à appliquer au lest inférieur (14) une force dirigée vers le haut.
  8. Revêtement pour un poste d'amarrage selon les revendications 1 à 7, caractérisé en ce que le revêtement (11) est modifié en ce que le revêtement dans une zone comprise entre le au moins un lest inférieur (14) et le au moins un corps flottant supérieur (13a, b) il est conçu avec au moins une poche dont on peut augmenter le volume en la remplissant avec un fluide, tel que de l'air ou de l'eau.
  9. Revêtement selon la revendication 8, caractérisé en ce qu'au moins une poche est un conduit avec deux parois situées l'une près de l'autre ou l'une contre l'autre quand le conduit n'est pas rempli de fluide.
  10. Revêtement selon la revendication 9, caractérisé en ce que, si l'on regarde une section transversale du au moins un conduit, la longueur d'une paroi du conduit est supérieure à la longueur de la seconde paroi du conduit.
  11. Revêtement selon la revendication 10, caractérisé en ce que la paroi du conduit ayant la plus grande longueur est sur la face intérieure du revêtement.
  12. Revêtement selon la revendication 11, caractérisé en ce que le au moins un conduit s'étend principalement dans une direction allant de l'extrémité d'entrée vers la proue du vaisseau.
  13. Revêtement selon l'une quelconque des revendications 8 à 12, caractérisé en ce que, et dans le cas où le vaisseau est pourvu d'une quille, un conduit allongé est placé sur chaque côté de la quille de telle manière qu'il sera au moins proche de la transition entre la coque et la quille du vaisseau amarré (3) quand le revêtement (11) est en position active.
  14. Revêtement selon l'une quelconque des revendications 8 à 13, caractérisé en ce que la au moins une poche ou conduit est fabriqué dans la même matière que le reste du revêtement.
  15. Revêtement selon l'une quelconque des revendications 8 à 14, caractérisé en ce que la au moins une poche ou conduit a une valve qui en fonctionnement peut être reliée à une source de fluide au moment du remplissage.
  16. Revêtement selon l'une quelconque des revendications 8 à 15, caractérisé en ce que le fluide pour le remplissage de la au moins une poche ou conduit est de l'eau douce.
EP01925308A 2000-04-27 2001-04-25 Corps d'amarrage avec revetement pour empecher la salissure d'un navire Expired - Lifetime EP1280697B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DK01925308T DK1280697T3 (da) 2000-04-27 2001-04-25 Fortöjningsplads med en skærm til at hæmme begroningen af et fartöj

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DK200000762 2000-04-27
DKPA200000762 2000-04-27
PCT/DK2001/000277 WO2001081167A1 (fr) 2000-04-27 2001-04-25 Corps d'amarrage avec revetement pour empecher la salissure d'un navire

Publications (2)

Publication Number Publication Date
EP1280697A1 EP1280697A1 (fr) 2003-02-05
EP1280697B1 true EP1280697B1 (fr) 2004-01-21

Family

ID=8159483

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01925308A Expired - Lifetime EP1280697B1 (fr) 2000-04-27 2001-04-25 Corps d'amarrage avec revetement pour empecher la salissure d'un navire

Country Status (5)

Country Link
EP (1) EP1280697B1 (fr)
AT (1) ATE258131T1 (fr)
AU (1) AU2001252108A1 (fr)
DE (1) DE60101847T2 (fr)
WO (1) WO2001081167A1 (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2852916B1 (fr) * 2003-03-28 2006-06-30 Alexandre Derveloy Dispositif de protection hivernale de la partie immergee d'un bateau ou d'une embarcation
DE502004003728D1 (de) * 2003-12-16 2007-06-14 Rudolf Christ Vorrichtung zur vermeidung von bewuchs
SE532546C2 (sv) 2008-04-17 2010-02-16 Eriksson Bror Erik Anordning för förhindrande av påväxt av föremål i vatten
CN102333871B (zh) * 2009-02-27 2013-12-04 诺瓦提斯公司 包含两个选择标记的表达载体系统
ITAP20090001A1 (it) * 2009-03-19 2009-06-18 O M C Di Federici Stefano Protezione antivegetativa per carena
SI23543A (sl) * 2010-11-11 2012-05-31 Miran@Ĺ˝nidarec Podvodni zaščitni plašč
CN104080695A (zh) * 2012-01-27 2014-10-01 日东电工株式会社 防污染方法
WO2018026289A1 (fr) * 2016-08-03 2018-02-08 Incept Marine Ltd Cale sèche gonflable
FR3070035B1 (fr) 2017-08-14 2020-06-26 Patrice Biousse Dispositif anti-clapot
EP3978353A1 (fr) 2020-10-02 2022-04-06 Ekeröds Utvecklings AB Dispositif de protection de coque
SE2030303A1 (sv) * 2020-10-02 2022-03-08 Ekeroeds Utvecklings Ab Skrovskyddsanordning

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3205851A (en) * 1964-01-23 1965-09-14 Jr George C Wiswell Cleaning unit for boat hulls
US4282822A (en) * 1978-03-06 1981-08-11 Robert Jackson Boat hull anti-fouling shroud
DE3806265A1 (de) * 1988-02-27 1989-09-07 Andreas Dr Kunicki Schutzhuelle und verfahren zur umhuellung eines im wasser liegenden schiffs- oder bootsrumpfes
US5279244A (en) * 1993-06-03 1994-01-18 Commonwealth Of Puerto Rico Combined mooring slip and underwater body protector against marine growth

Also Published As

Publication number Publication date
WO2001081167A1 (fr) 2001-11-01
DE60101847T2 (de) 2004-11-04
EP1280697A1 (fr) 2003-02-05
AU2001252108A1 (en) 2001-11-07
DE60101847D1 (de) 2004-02-26
ATE258131T1 (de) 2004-02-15

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