WO2011034484A1 - Method of treating the bottom of a boat - Google Patents
Method of treating the bottom of a boat Download PDFInfo
- Publication number
- WO2011034484A1 WO2011034484A1 PCT/SE2010/050930 SE2010050930W WO2011034484A1 WO 2011034484 A1 WO2011034484 A1 WO 2011034484A1 SE 2010050930 W SE2010050930 W SE 2010050930W WO 2011034484 A1 WO2011034484 A1 WO 2011034484A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- grease
- boat
- waterline
- water
- boat bottom
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 15
- 239000004519 grease Substances 0.000 claims abstract description 35
- 239000000463 material Substances 0.000 claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 12
- 241001465754 Metazoa Species 0.000 claims description 6
- 230000008635 plant growth Effects 0.000 claims description 4
- 239000004033 plastic Substances 0.000 claims description 4
- 235000013311 vegetables Nutrition 0.000 claims description 2
- 239000003208 petroleum Substances 0.000 claims 1
- 230000012010 growth Effects 0.000 description 5
- 239000003973 paint Substances 0.000 description 2
- 239000005662 Paraffin oil Substances 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 235000013871 bee wax Nutrition 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 231100001231 less toxic Toxicity 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000003440 toxic substance Substances 0.000 description 1
- 238000005406 washing 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
- B63B59/00—Hull protection specially adapted for vessels; Cleaning devices specially adapted for vessels
- B63B59/04—Preventing hull fouling
Definitions
- the present invention relates to a method for the treatment of a boat bottom.
- the Swedish patent number 0502359-3 describes a method of treating boat bottoms that comprises the application of a material onto the boat bottom at least in the area that extends downwards from the waterline of the boat.
- the material is a plastic material that has sufficiently small and/or few pores, so that plants and small animals will not be able to attach to the outer surface of the material
- the present invention solves the problem of the growth of plants and animals in a simpler manner.
- the present invention thus relates to method for the
- treatment of a boat bottom comprising the application of a material onto the boat bottom at least in the region that extends downwards from the waterline of the boat, and it is characterised in that the material is constituted by a grease that is insoluble in water and that has a consistency such that it can be applied to the said boat bottom and remain there during motion of the boat.
- FIG. 1 shows schematically a side view of a boat
- FIG. 2 shows schematically a cross-section of a part of a bottom wall.
- Figure 1 shows a boat 1 comprising a bottom 2, which is surrounded by water when the boat is placed into water.
- Figure 2 shows schematically a cross-section through a hull wall 1 of a leisure boat.
- the present method that of treating a boat bottom 2 comprises the application of a material onto the boat bottom 2 at least in the area that extends downwards from the waterline of the boat 1.
- the material is constituted by a grease that is not soluble in water with a consistency such that it can be applied to the said boat bottom 2 and remain in place during motion of the boat 1.
- Figure 2 shows a cross-section of a part of a hull wall, where the hull wall comprises a supporting glass fibre layer 3 and a gel coat 4.
- An applied layer of grease is denoted by the reference number 5.
- the grease is of the type that is insoluble in water, used to lubricate machine joints and ball bearings.
- Such grease is called, among other things, consistency grease and ball-bearing grease.
- the grease is a vegetable grease .
- the grease is a petroleum- based grease.
- the grease must not have too low a
- the grease is caused to be applied to the said boat bottom by means of a brush or roller .
- the grease is caused to be applied by spraying onto the said boat bottom 2. It has surprisingly proved to be the case that the grease remains in place even on fast motorboats throughout a
- a high-pressure washer discharges water, often at a pressure that exceeds 20 bar, from a nozzle.
- a self-adhesive tape 6 of a plastic material is applied according to a preferred embodiment around the boat along its waterline, where the tape 6 has a width such that the growth of plants and animals is prevented around the waterline.
- the tape is applied before the said grease is applied.
- the tape 6 is removed when the boat hull is to be cleaned after the boat has been withdrawn from the water.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Catching Or Destruction (AREA)
Abstract
A method to treat a boat bottom (2) comprising the application of a material onto the boat bottom (2) at least in the area that extends downwards from the waterline of the boat (1). The invention is characterised in that the material is constituted by a grease (5) that is not soluble in water and with a consistency such that it can be applied to the said boat bottom (2) and remain in place during motion of the boat.
Description
Method of treating the bottom of a boat.
The present invention relates to a method for the treatment of a boat bottom.
It is a well-known problem that plants and small animals attach to the bottom of boats when the boats are in water. Hitherto, therefore, boat bottoms have been provided with more or less toxic paint, which has contributed in a various degree to the boat bottoms remaining clean, without the growth of plants and small animals. A further problem is that boat bottoms on which growth has occurred are difficult to clean. This is particularly the case for plastic boats, where great care must be taken when using scraping and abrasive tools. The use of toxic substances in hull paints has been limited in recent years, due to environmental concerns.
The Swedish patent number 0502359-3 describes a method of treating boat bottoms that comprises the application of a material onto the boat bottom at least in the area that extends downwards from the waterline of the boat. The material is a plastic material that has sufficiently small and/or few pores, so that plants and small animals will not be able to attach to the outer surface of the material
This method suffers from the disadvantage that it is
relatively expensive and that it can be difficult for an inexperienced person to apply a plastic sheet onto surfaces that are curved in two directions.
The present invention solves the problem of the growth of plants and animals in a simpler manner.
The present invention thus relates to method for the
treatment of a boat bottom comprising the application of a material onto the boat bottom at least in the region that extends downwards from the waterline of the boat, and it is characterised in that the material is constituted by a grease that is insoluble in water and that has a consistency such that it can be applied to the said boat bottom and remain there during motion of the boat.
The invention will be described in more detail below, partly in association with an embodiment of the invention shown in the attached drawing, where
- Figure 1 shows schematically a side view of a boat, and
- Figure 2 shows schematically a cross-section of a part of a bottom wall.
Figure 1 shows a boat 1 comprising a bottom 2, which is surrounded by water when the boat is placed into water.
Figure 2 shows schematically a cross-section through a hull wall 1 of a leisure boat.
The present method that of treating a boat bottom 2 comprises the application of a material onto the boat bottom 2 at least in the area that extends downwards from the waterline of the boat 1.
According to the invention, the material is constituted by a grease that is not soluble in water with a consistency such that it can be applied to the said boat bottom 2 and remain in place during motion of the boat 1.
Figure 2 shows a cross-section of a part of a hull wall, where the hull wall comprises a supporting glass fibre layer 3 and a gel coat 4. An applied layer of grease is denoted by the reference number 5.
According to one preferred embodiment, the grease is of the type that is insoluble in water, used to lubricate machine joints and ball bearings. Such grease is called, among other things, consistency grease and ball-bearing grease.
According to one embodiment, the grease is a vegetable grease .
According to a second embodiment, the grease is a petroleum- based grease.
On the one hand, the grease must not have too low a
viscosity, such as for example paraffin oil has, because this entails the grease disappearing relatively rapidly from the boat bottom during motion through water. On the other hand, the grease must not have too high a viscosity, because this promotes growth. Grease of bee-wax type, for example, remains on the bottom, but allows growth. According to one preferred embodiment, the grease is caused to be applied to the said boat bottom by means of a brush or roller .
According to a second, also preferred, embodiment the grease is caused to be applied by spraying onto the said boat bottom 2.
It has surprisingly proved to be the case that the grease remains in place even on fast motorboats throughout a
complete boating season, while it is at the same time
possible to remove most of the grease at the end of the boating season by washing the boat bottom with a high- pressure washer. A high-pressure washer discharges water, often at a pressure that exceeds 20 bar, from a nozzle.
It is desirable that grease is not applied above the
waterline of the boat. In order to prevent growth above a layer of grease that has been applied, a self-adhesive tape 6 of a plastic material is applied according to a preferred embodiment around the boat along its waterline, where the tape 6 has a width such that the growth of plants and animals is prevented around the waterline. The tape is applied before the said grease is applied. The tape 6 is removed when the boat hull is to be cleaned after the boat has been withdrawn from the water. Thus, the present invention solves the problem described in the introduction.
A number of embodiments have been described above. It is, however, possible that any suitable grease that remains on the boat bottom and on which growth does not take place, or takes place only to a limited extent, may be used.
The present invention, therefore, is not to be considered to be limited to the embodiments specified above since it can be varied within the scope specified by the attached patent claims .
Claims
1. A method for the treatment of a boat bottom (2)
comprising the application of a material onto the boat bottom (2) at least in the region that extends downwards from the waterline of the boat (1), characterised in that the material is constituted by a grease (5) that is insoluble in water and that has a consistency such that it can be applied to the said boat bottom (2) and remain there during motion of the boat (1) .
2. A method according to claim 1, characterised in that the grease (5) is of a type that is insoluble in water and that is used to lubricate machine joints and ball
bearings (such as consistency grease and ball bearing
grease) .
3. A method according to claim 1, characterised in that the grease (5) is a vegetable grease.
4. A method according to claim 1, characterised in that the grease (5) is a petroleum-based grease.
5. A method according to claim 1, 2, 3 or 4,
c h aracterised in that the grease (5) is caused to be applied by means of a brush or roller.
6. A method according to claim 1, 2, 3, 4 or 5,
characterised in that the grease (5) is caused to be applied by being sprayed onto the said boat bottom (2) .
7. A method according to any one of the preceding claims, characterised in that a tape (6) of a plastic material is applied to the boat along its waterline, in that the tape (6) has such a width that the growth of plants and animals is prevented around the waterline and in that the tape is applied before the said grease (5) is applied.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP10817510.0A EP2477885A4 (en) | 2009-09-16 | 2010-08-31 | Method of treating the bottom of a boat |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE0950675A SE535291C2 (en) | 2009-09-16 | 2009-09-16 | Procedure for treating a boat bottom |
| SE0950675-9 | 2009-09-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2011034484A1 true WO2011034484A1 (en) | 2011-03-24 |
Family
ID=43758889
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/SE2010/050930 WO2011034484A1 (en) | 2009-09-16 | 2010-08-31 | Method of treating the bottom of a boat |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP2477885A4 (en) |
| SE (1) | SE535291C2 (en) |
| WO (1) | WO2011034484A1 (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3650677A (en) * | 1969-09-25 | 1972-03-21 | Drew Chem Corp | Sea chest protection process |
| GB1479702A (en) * | 1974-03-13 | 1977-07-13 | British Petroleum Co | Treatment of underwater surfaces |
| US4098925A (en) * | 1976-02-26 | 1978-07-04 | Rasmussen Oeystein | Method for protecting ships against fouling |
| EP0003389A1 (en) * | 1978-01-19 | 1979-08-08 | The British Petroleum Company p.l.c. | Process for coating underwater surfaces with wax and coating compositions thus applied |
| US4410363A (en) * | 1981-07-21 | 1983-10-18 | The United States Of America As Represented By The Secretary Of The Navy | Underwater applicable antifoulant paint composition |
| FR2701713A1 (en) * | 1993-01-19 | 1994-08-26 | Foresto Jean Robert | Biological antifouling coating for careening of boats |
| US6419915B1 (en) * | 1999-04-19 | 2002-07-16 | General Electric Company | Method for enhancing the properties of biofouling release coatings |
| WO2005123646A2 (en) * | 2004-06-17 | 2005-12-29 | Surface Secure Limited | Fluoroorganic compounds and anti-fouling treatments |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1206776A (en) * | 1957-05-22 | 1960-02-11 | Hughes & Co | Method and device for the protection of metallic hulls of ships against corrosion and marine organisms, animals or plants, tending to attach and develop therein |
| KR100187600B1 (en) * | 1991-07-24 | 1999-06-01 | 쿠니야스 테루히사 | Method and device for preventing adhesion of aquatic organisms |
| CA2191935C (en) * | 1995-12-04 | 2006-04-11 | Akio Kotani | Antifouling wall structure, method of constructing antifouling wall and antifouling wall panel transporter therefor |
-
2009
- 2009-09-16 SE SE0950675A patent/SE535291C2/en not_active IP Right Cessation
-
2010
- 2010-08-31 EP EP10817510.0A patent/EP2477885A4/en not_active Withdrawn
- 2010-08-31 WO PCT/SE2010/050930 patent/WO2011034484A1/en active Application Filing
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3650677A (en) * | 1969-09-25 | 1972-03-21 | Drew Chem Corp | Sea chest protection process |
| GB1479702A (en) * | 1974-03-13 | 1977-07-13 | British Petroleum Co | Treatment of underwater surfaces |
| US4098925A (en) * | 1976-02-26 | 1978-07-04 | Rasmussen Oeystein | Method for protecting ships against fouling |
| EP0003389A1 (en) * | 1978-01-19 | 1979-08-08 | The British Petroleum Company p.l.c. | Process for coating underwater surfaces with wax and coating compositions thus applied |
| US4410363A (en) * | 1981-07-21 | 1983-10-18 | The United States Of America As Represented By The Secretary Of The Navy | Underwater applicable antifoulant paint composition |
| FR2701713A1 (en) * | 1993-01-19 | 1994-08-26 | Foresto Jean Robert | Biological antifouling coating for careening of boats |
| US6419915B1 (en) * | 1999-04-19 | 2002-07-16 | General Electric Company | Method for enhancing the properties of biofouling release coatings |
| WO2005123646A2 (en) * | 2004-06-17 | 2005-12-29 | Surface Secure Limited | Fluoroorganic compounds and anti-fouling treatments |
Non-Patent Citations (1)
| Title |
|---|
| See also references of EP2477885A4 * |
Also Published As
| Publication number | Publication date |
|---|---|
| SE0950675A1 (en) | 2011-03-17 |
| EP2477885A4 (en) | 2014-09-10 |
| EP2477885A1 (en) | 2012-07-25 |
| SE535291C2 (en) | 2012-06-19 |
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