WO2011034484A1 - Method of treating the bottom of a boat - Google Patents

Method of treating the bottom of a boat Download PDF

Info

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
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.)
Ceased
Application number
PCT/SE2010/050930
Other languages
French (fr)
Inventor
Trygve Engelbert
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
PRODUKTIONSLOGIK I STOCKHOLM AB
Original Assignee
PRODUKTIONSLOGIK I STOCKHOLM AB
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by PRODUKTIONSLOGIK I STOCKHOLM AB filed Critical PRODUKTIONSLOGIK I STOCKHOLM AB
Priority to EP10817510.0A priority Critical patent/EP2477885A4/en
Publication of WO2011034484A1 publication Critical patent/WO2011034484A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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

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.
PCT/SE2010/050930 2009-09-16 2010-08-31 Method of treating the bottom of a boat Ceased WO2011034484A1 (en)

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 Ceased 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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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
EP0550766A4 (en) * 1991-07-24 1993-12-08 Nakagawa Corrosion Protecting Co., Ltd. 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

Patent Citations (8)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
Title
See also references of EP2477885A4 *

Also Published As

Publication number Publication date
SE535291C2 (en) 2012-06-19
EP2477885A4 (en) 2014-09-10
SE0950675A1 (en) 2011-03-17
EP2477885A1 (en) 2012-07-25

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