EP1360107B1 - Structure neutralisant l'encrassement biologique dans des milieux aquatiques - Google Patents

Structure neutralisant l'encrassement biologique dans des milieux aquatiques Download PDF

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Publication number
EP1360107B1
EP1360107B1 EP01975140A EP01975140A EP1360107B1 EP 1360107 B1 EP1360107 B1 EP 1360107B1 EP 01975140 A EP01975140 A EP 01975140A EP 01975140 A EP01975140 A EP 01975140A EP 1360107 B1 EP1360107 B1 EP 1360107B1
Authority
EP
European Patent Office
Prior art keywords
foil
ribs
fact
protected
fouling
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
EP01975140A
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German (de)
English (en)
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EP1360107A1 (fr
Inventor
Per Jonsson
Ragnar Winberg
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Individual
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Individual
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Publication date
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Publication of EP1360107A1 publication Critical patent/EP1360107A1/fr
Application granted granted Critical
Publication of EP1360107B1 publication Critical patent/EP1360107B1/fr
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Classifications

    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B17/00—Methods preventing fouling
    • B08B17/02—Preventing deposition of fouling or of dust
    • B08B17/06—Preventing deposition of fouling or of dust by giving articles subject to fouling a special shape or arrangement
    • B08B17/065—Preventing deposition of fouling or of dust by giving articles subject to fouling a special shape or arrangement the surface having a microscopic surface pattern to achieve the same effect as a lotus flower

Definitions

  • This invention has reference to counteracting bio-fouling on surfaces in aquatic environments by letting the surface have a ribbed structure.
  • bio-fouling First a thin layer of bio-polymers, bacteria and unicellular algae is formed, followed by a thick layer of invertebrates for instance acorn barnacles and mussels.
  • bio-fouling is a serious problem for shipping because the increased water resistance has an influence on the fuel consumption.
  • bio-fouling has negative consequences for flows through piping systems and for exchange speeds in heat exchangers.
  • the marine cultivation industry is also affected negatively by bio-fouling. Net bags, cultivation cages, rafts and ropes will often be strongly overgrown which will cause increased mortality and high cleaning costs. Increased weight and cleaning as a result of bio-fouling are also problems within offshore industry.
  • TBT paints Tributyltin
  • pleasure boats in most cases copper-based paints.
  • Increased environment-consciousness of the risk of spreading these very poisonous substances in the sea has resulted in local prohibitions against their use.
  • a global restriction against the use of TBT paints for commercial shipping is expected to come into force in 2008.
  • ribs 4 run out from the easily fusible plastic. At the base they can be for instance 0.15 millimetres wide and one millimetre high. They have an outward narrowing form. The ribs are placed close to each other in parallel rows. The ribs have a rounded transition at the base.
  • the foil After manufacturing the foil can be rolled on rolls. Protective paper which can be pulled off is not necessary since the edges of the ribs reach the self-adhesive layer when rolled up.
  • the inside can consist of a non-woven material which is well fastened to the carrying foil.
  • the non-woven material can easily be glued and in this case it is the intention that the object which is to be protected or the foil can be provided with glue and that after that the foil is pressed on to the object.
  • the foil If the foil is to be suitable for small boats, for instance pleasure boats of plastic where the surface of the hull is strongly curved, the foil can be a little elastic, which many plastics allow. In order to prevent air-bubbles between the hull and the foil, the foil can be perforated.
  • the production of the foil can be made so that a laminate of carrying foil of not thermoplastic material or of a plastic with a high melting point is laminated with a thermoplastic with a low melting point.
  • the laminate is heated and pressed against a rotating cylinder provided with many grooves in which plastic material is pressed out and forms ribs. After the plastic has come into the grooves the plastic is cooled and when the carrying foil is rolled off from the cylinder the ribs leave the grooves.
  • the foil can be given various shapes with regard to the use of material, the distance between the ribs, height, thickness, inclination and cross-section of the ribs.
  • the foil is strong it is possible, after long use, to pull off the foil from a hull.
  • the ribs can be made to be at right angles to the surface and with an equal distance between them. Because the ribs are made by pressing from a foil they are safely connected with it and cannot come loose. Owing to the outward narrowing form they are strong and owing to the open form the foil can be easily cleaned.
  • the ribs are indicated by 5. They were made directly on a hull 6. This can be made by rolling a cylinder of adjacent round razor blades under pressure against the surface which has first been smeared with the material which is to form the ribs. The rolling can be made with a cold cylinder on a polymer which has not had time to harden or with a heated cylinder on a hardened polymer.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Artificial Fish Reefs (AREA)
  • Catching Or Destruction (AREA)
  • Laminated Bodies (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Farming Of Fish And Shellfish (AREA)
  • Paints Or Removers (AREA)

Claims (8)

  1. Méthode pour prévenir le bio-encrassement dans des environnements aquatiques caractérisée en ce que la surface de l'objet à protéger comporte des nervures (4, 5) saillantes, les nervures étant situées tout près l'une de l'autre et se rétrécissant vers l'extérieur, la hauteur des nervures n'étant plus de deux millimètres.
  2. Méthode selon Revendication 1, caractérisée en ce que chaque nervure a une coupe principalement triangulaire avec les angles de la base plus grands que 70 degrés.
  3. Méthode selon Revendication 1 ou 2, caractérisée en ce que les nervures sont faites d'une feuille métallique qui doit être collée à l'objet à protéger.
  4. Méthode selon Revendication 3, caractérisée en ce qu'au côté intérieur de la feuille il y a une couche porteuse d'un autre matériel que la feuille et où la couche porteuse doit être collée à l'objet à protéger.
  5. Méthode selon Revendication 1, caractérisée en ce qu'elle est faite par un outil froid ou chaud directement sur la surface de l'objet à protéger.
  6. Méthode selon Revendication 1, caractérisée en ce qu'elle est faite par gravure chimique directement sur la surface à protéger.
  7. Méthode selon Revendication 1, caractérisée en ce qu'elle est faite par gravure chimique directement sur une feuille métallique qui est collée à l'objet à protéger.
  8. Méthode selon Revendication 1, caractérisée en ce qu'elle est faite sur des tubes par extrusion.
EP01975140A 2000-10-18 2001-10-15 Structure neutralisant l'encrassement biologique dans des milieux aquatiques Expired - Lifetime EP1360107B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE0003815A SE0003815L (sv) 2000-10-18 2000-10-18 Struktur som motverkar biologisk påväxt i akvatisk miljö
SE0003815 2000-10-18
PCT/SE2001/002229 WO2002032755A1 (fr) 2000-10-18 2001-10-15 Structure neutralisant l'encrassement biologique dans des milieux aquatiques

Publications (2)

Publication Number Publication Date
EP1360107A1 EP1360107A1 (fr) 2003-11-12
EP1360107B1 true EP1360107B1 (fr) 2006-05-24

Family

ID=20281506

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01975140A Expired - Lifetime EP1360107B1 (fr) 2000-10-18 2001-10-15 Structure neutralisant l'encrassement biologique dans des milieux aquatiques

Country Status (7)

Country Link
US (1) US20040011268A1 (fr)
EP (1) EP1360107B1 (fr)
AT (1) ATE327147T1 (fr)
AU (1) AU2001294494A1 (fr)
DE (1) DE60119984T2 (fr)
SE (1) SE0003815L (fr)
WO (1) WO2002032755A1 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7934888B2 (en) 2008-01-18 2011-05-03 Viv Suppression, Inc. Marine anti-foulant system and methods for using same
WO2011098266A1 (fr) * 2010-02-12 2011-08-18 Renolit Se Film antisalissure
DE102011050433A1 (de) * 2011-05-17 2012-11-22 ORCA Maritime GmbH Bahnförmige Folie, Verfahren zum Beschichten eines Wasserfahrzeugs sowie Wasserfahrzeug
DE102012102161A1 (de) * 2012-03-14 2013-09-19 Ewald Dörken Ag Antifouling-Bahn
US10294076B2 (en) * 2014-02-21 2019-05-21 Wurtec, Incorporated False car device
US11766822B2 (en) 2019-08-20 2023-09-26 3M Innovative Properties Company Microstructured surface with increased microorganism removal when cleaned, articles and methods
BR112022003161A2 (pt) * 2019-08-20 2022-05-17 3M Innovative Properties Co Superfície microestruturada com remoção aprimorada de micro-organismos quando limpa, artigos e métodos
WO2022162528A1 (fr) * 2021-01-28 2022-08-04 3M Innovative Properties Company Surface microstructurée à élimination accrue des micro-organismes après nettoyage, articles et procédés

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3554154A (en) * 1969-02-26 1971-01-12 Firestone Tire & Rubber Co Structure with antifouling surface
US3661506A (en) * 1969-09-03 1972-05-09 Outboard Marine Corp Means and method of eliminating and controlling marine fouling
US4035546A (en) * 1976-02-04 1977-07-12 Ruppert Jr Emile Strippable anti-fouling covering for marine structures
CA1080105A (fr) * 1976-02-20 1980-06-24 William A. Anderton Pellicule plomb/plastique pour proteger le metal
GB1604062A (en) * 1978-01-11 1981-12-02 United Wire Group Ltd Coverings for submersible or semi-submersible structures
US4706910A (en) * 1984-12-27 1987-11-17 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Combined riblet and lebu drag reduction system
US4986496A (en) * 1985-05-31 1991-01-22 Minnesota Mining And Manufacturing Drag reduction article
US5133516A (en) * 1985-05-31 1992-07-28 Minnesota Mining And Manufacturing Co. Drag reduction article
JPS6241280A (ja) * 1985-08-19 1987-02-23 Nichiban Co Ltd 水中生物付着防止用粘着シ−ト
US4930729A (en) * 1986-05-22 1990-06-05 Rolls-Royce Plc Control of fluid flow
US4865909A (en) * 1987-10-21 1989-09-12 W. L. Gore & Associates, Inc. Microporous anti-fouling marine coating
US4947785A (en) * 1988-01-07 1990-08-14 International Paint Public Limited Company Improvements in or relating to boat hulls
US5116655A (en) * 1988-07-28 1992-05-26 Tuguo Ezoe Preventive method against apposition of a marine organism and a preventive sheet against apposition of a marine organism
US4923730A (en) * 1988-08-04 1990-05-08 Dai-Ichi High Frequency Co. Ltd. Anti-fouling surface structure, anti-fouling covering material and method of planting ribbons for producing anti-fouling surface structure and covering material
US5445095A (en) * 1990-08-14 1995-08-29 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Polymer/riblet combination for hydrodynamic skin friction reduction
US5226380A (en) * 1991-12-13 1993-07-13 Fischer Kenneth J Marine organism repellent covering for protection of underwater objects and method of applying same
SE9201736D0 (sv) * 1992-06-05 1992-06-05 Juristbyraon Indirekt Ab Fartyg, saasom baatar, flygplan etc.
US5359951A (en) * 1993-02-11 1994-11-01 The United States Of America As Represented By The Secretary Of The Navy Active turbulence control using microelectrodes, permanent magnets in microgrooves
US5769019A (en) * 1996-06-27 1998-06-23 Dias Da Silva; Luiz F. Protective covering for outdoor structures
US5814172A (en) * 1996-07-08 1998-09-29 Cox; Arthur R. Thermoplastics sheets for protecting sub-marine structures
US6197137B1 (en) * 1998-03-03 2001-03-06 Kaoru Akahani Method of preventing adhesion of aquatic organisms in structures in water
JP2001114185A (ja) * 1999-10-19 2001-04-24 Mitsubishi Heavy Ind Ltd 海水抵抗低減船舶及び船体の抵抗低減法
US6607826B1 (en) * 1999-12-09 2003-08-19 Brunswick Corporation Plastic anti-fouling film for boat hull protection
US6345791B1 (en) * 2000-04-13 2002-02-12 Lockheed Martin Corporation Streamwise variable height riblets for reducing skin friction drag of surfaces

Also Published As

Publication number Publication date
SE515838C2 (sv) 2001-10-15
DE60119984T2 (de) 2006-12-14
WO2002032755A1 (fr) 2002-04-25
US20040011268A1 (en) 2004-01-22
EP1360107A1 (fr) 2003-11-12
AU2001294494A1 (en) 2002-04-29
SE0003815D0 (sv) 2000-10-18
SE0003815L (sv) 2001-10-15
DE60119984D1 (de) 2006-06-29
ATE327147T1 (de) 2006-06-15

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