EP2311616A2 - Apparatus and method for surface treatment of a body - Google Patents
Apparatus and method for surface treatment of a body Download PDFInfo
- Publication number
- EP2311616A2 EP2311616A2 EP10175982A EP10175982A EP2311616A2 EP 2311616 A2 EP2311616 A2 EP 2311616A2 EP 10175982 A EP10175982 A EP 10175982A EP 10175982 A EP10175982 A EP 10175982A EP 2311616 A2 EP2311616 A2 EP 2311616A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- surface treatment
- texture
- treatment substance
- curing
- accordance
- 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.)
- Granted
Links
- 238000004381 surface treatment Methods 0.000 title claims abstract description 47
- 238000000034 method Methods 0.000 title claims abstract description 12
- 239000000126 substance Substances 0.000 claims abstract description 38
- 239000003973 paint Substances 0.000 claims description 15
- 230000005855 radiation Effects 0.000 claims description 6
- 239000002966 varnish Substances 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 claims 1
- 238000000227 grinding Methods 0.000 description 12
- 229920002522 Wood fibre Polymers 0.000 description 6
- 239000011324 bead Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 244000137852 Petrea volubilis Species 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000007373 indentation Methods 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000004049 embossing Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N7/00—After-treatment, e.g. reducing swelling or shrinkage, surfacing; Protecting the edges of boards against access of humidity
- B27N7/005—Coating boards, e.g. with a finishing or decorating layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/40—Distributing applied liquids or other fluent materials by members moving relatively to surface
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
- B05D5/02—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain a matt or rough surface
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/06—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to wood
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/28—Processes for applying liquids or other fluent materials performed by transfer from the surfaces of elements carrying the liquid or other fluent material, e.g. brushes, pads, rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/02—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
- B05D3/0254—After-treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/06—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to radiation
- B05D3/061—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to radiation using U.V.
- B05D3/065—After-treatment
Definitions
- the present invention relates to an apparatus and a method for the surface treatment of a body. More particularly, it relates to an apparatus for and a method of applying a surface treatment substance to a body, the apparatus including: an advancing means to produce relative movement between the body and apparatus; at least one applicator which is arranged to apply a surface treatment substance to the body; and at least one curing device to induce or accelerate curing of the surface treatment substance which has been applied to the body.
- the invention is directed towards the surface treatment of plate-form bodies such as wood-fibre-based boards for use as internal wall or ceiling panelling in buildings. For that reason, the invention will be directed in particular towards such boards, but it will be understood that the apparatus and the method could also be used for bodies of another shape and with another area of application.
- the building boards In the building market there has been, in recent years, a considerable demand for building boards whose surfaces have been treated with paint, for example, so that further surface treatment will not be necessary after mounting.
- the building boards are typically so-called wood-fibre boards but may also be made of another material.
- a visual drawback of such painted wood-fibre boards is that the face portions will be too different from the texture that appears naturally when wooden panels are painted with a brush.
- a person skilled in the art will know that in the industrial production of painted wood-fibre boards the boards are carried through a cure-promoting device immediately after paint has been applied to the surface. In addition to enabling stacking of the boards in height as soon as they come out of the curing device, it is done to effect or accelerate setting of the surface treatment substance before this fills the stripes completely and thereby ruins the desired effect.
- a cure-promoting means it is normal to use an oven, IR or UV radiation, for example.
- the stripes are typically provided by means of a grinding means such as grinding paper or another surface-rubbing means, or a milling device.
- the method is expensive as it requires grinding machines and considerable amounts of grinding means, such as sand paper. Besides, sand paper will wear, which gives large variations in depths and extents of the stripes.
- wood-fibre boards it is common for wood-fibre boards to be made with an outer layer which is harder than the core portion of the board. By rubbing or grinding the surface, the outer layer is damaged. This may ruin some of the properties of the board. Besides, a board with a rubbed surface may absorb more surface treatment substance, which will, in turn, require larger consumption of surface treatment substance and thereby lead to increased production costs.
- the depth of the scratches that must be produced in the surface depends on the end result desired and on how many layers of surface treatment substance are applied. The more layers, the deeper scratches are required.
- the invention has for its object to remedy or reduce at least one of the drawbacks of the prior art, or at least to provide a useful alternative to the prior art.
- an apparatus for the surface treatment of a body including: an advancing means to produce relative movement between the body and the apparatus; at least one applicator which is arranged to apply a surface treatment substance to the body; and at least a curing device to induce or accelerate curing of the surface treatment substance which has been applied to the body, the apparatus further including a texture-producing device which is arranged in a portion between the applicator and the curing device to produce a texture in the surface treatment substance before this hardens.
- the desired texture is thereby produced in the surface treatment substance itself, while, at the same time, the body which is being treated has no damage done to its surface.
- the texture-producing means is preferably formed by a plurality of flexible, elongated and mutually independent elements.
- the texture-producing means may be brought to bear both against smooth board portions and against indentations and elevations at the same time.
- the entire board portion may thereby appear with a surface treatment substance that has been affected by the texture-producing means.
- a method for the surface treatment of a body wherein the body is carried on a track and is having a surface treatment substance applied to it by means of an applicator and is then carried into a curing device for curing of the surface treatment substance to be induced or accelerated, a texture-producing device being brought into contact with the surface treatment substance after it has been applied to the body. It is an advantage if the texture-producing device is brought into contact with the surface treatment substance before the body is carried into the curing device.
- the reference numeral 1 indicates an apparatus according to the present invention which is arranged for surface treatment of boards 3 which are arranged one after another on an advancing means in the form of a conveyor belt 5.
- the boards 3 are shown with a planar surface but might just as well be provided with grooves and/or beads to resemble joined wooden panels.
- the necessary supporting and propelling means of the conveyor belt 5 are not shown but are of a kind known per se.
- the moving direction of the conveyor belt 5 is shown by arrows V.
- the individual board 3 is carried between the conveyor belt 5 and an applicator 7 for a surface treatment substance, the applicator 7 being formed, in the embodiment shown, by a roller which extends transversely to the longitudinal direction of the board 3.
- the surface treatment substance may be applied to the board 3 by means of a spraying plant, not shown.
- the roller 7 is of such a kind that it moulds to the surface texture of the board 3 in order thus to apply a surface treatment substance to the entire board, including possible grooves.
- a type of roller that has proved suitable for the purpose is made of so-called "moss rubber” which is relatively porous and flexible.
- the apparatus 1 may be provided with several rollers (not shown) to enable switching from one colour to another, for example, without unnecessary stops in the production. Of course, with such an arrangement, only one roller will be moved against the board 3 at a time.
- the surface treatment substance will be referred to as paint, even though other surface treatment substances such as varnish, oil, wax or other suitable substances could also be used. This will be explained in further detail in the discussion of figure 2 .
- the roller 7 is supplied with paint in a manner known per se, by means of means not shown. However, this will be known to a person skilled in the art.
- the board 3 is advanced by means of the conveyor belt 5 towards the right in figure 1 , to a brush whose bristles bear against the surface of the board 3 to produce the desired texture 4 (shown in broken lines in figure 1 ) in the paint.
- the board 3 is advanced into a curing device 11.
- the texture-producing device 9 extends transversely across the entire board 3 relative to longitudinal direction of the board 3.
- the texture-producing device 9 is divided into several individual portions. Some or all of the individual portions may have different texture-producing effects. For example, the thickness and/or rigidity between some of the individual portions of the texture-producing device may be different. They may also be arranged to be adjusted individually in order thereby to exert different pressures against the board 3. One and the same board 3 may thereby get different paint textures in its transverse direction.
- the curing device 11 is of a kind known per se and may be based on heat, like for example, but not limited to, a so-called convection dryer, and/or radiation such as IR or UV light (infrared radiation and ultraviolet radiation, respectively).
- the choice of type of curing device depends on the type of surface treatment substance used, among other things.
- the distances between the roller 7, the texture-producing device 9 and the curing device 11 are arranged to be adjustable. In figure 1 this is shown in principle by the roller 7 and the texture-producing device 9 being attached to respective, movable supporting devices 12. Said adjustment may be necessary to achieve a desired degree of merging of the "tracks" imparted to the paint by the texture-producing device 9 before the paint sets.
- the distance depends on the rate of advancement of the board 3 through the apparatus 1, on the viscosity of the paint and on the temperatures of the board 3 and the paint.
- the distance is arranged to be controlled automatically, depending on the rate of advancement of the board 3 through the apparatus 1 and possibly on other parameters such as temperature and paint viscosity.
- FIG. 2 shows a principle drawing, in a side view, of a production line in which five apparatuses 1 are arranged in series, and in which boards (not specifically shown in figure 2 ) are carried through the apparatuses 1 by means of a conveyor belt 5.
- a cooling device 13 is arranged in addition behind the fifth and last curing device 11. The purpose of the cooling device 13 is to reduce the heat which has been introduced into the boards through the curing devices.
- a texture-producing device 9 is placed between each roller 7 and curing device 11. It will be understood, however, that in an alternative embodiment it is conceivable for one or more of the texture-producing devices 9 to be omitted, but there must be at least one. However, trials have surprisingly shown that the best result is achieved by arranging a texture-producing device 9 between each roller 7 and curing device 11.
- the series of apparatuses 1 that is shown in figure 2 enables the application of five layers of surface treatment substance.
- the first apparatus 1 in the series could be used to apply a primer to the board; the second, third and fourth apparatuses in the series paints of desired colours, and the fifth and last apparatus 1 in the series a protective varnish.
- a production line may consist of more or fewer than the five apparatuses 1 that are shown in the exemplary embodiment.
- the present invention provides an apparatus and a method which possess substantial advantages and solves several of the drawbacks related to the apparatus and method which are used to produce a desired brush-painted texture on a wood-fibre board.
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Manufacturing & Machinery (AREA)
- Forests & Forestry (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Coating Apparatus (AREA)
Abstract
Description
- The present invention relates to an apparatus and a method for the surface treatment of a body. More particularly, it relates to an apparatus for and a method of applying a surface treatment substance to a body, the apparatus including: an advancing means to produce relative movement between the body and apparatus; at least one applicator which is arranged to apply a surface treatment substance to the body; and at least one curing device to induce or accelerate curing of the surface treatment substance which has been applied to the body.
- In particular, but not exclusively, the invention is directed towards the surface treatment of plate-form bodies such as wood-fibre-based boards for use as internal wall or ceiling panelling in buildings. For that reason, the invention will be directed in particular towards such boards, but it will be understood that the apparatus and the method could also be used for bodies of another shape and with another area of application.
- In the building market there has been, in recent years, a considerable demand for building boards whose surfaces have been treated with paint, for example, so that further surface treatment will not be necessary after mounting. The building boards are typically so-called wood-fibre boards but may also be made of another material.
- The reasons for the increased demand are probably several, but, in short, the most important ones can be summed up into quicker completion of a building project and a more attractive end result.
- There has been a particularly big demand for boards which are formed with a surface that simulates wood panel. This is achieved by embossing the surface of the building boards to provide indentations or beads that extend parallel to the longitudinal axis of the board.
- A visual drawback of such painted wood-fibre boards is that the face portions will be too different from the texture that appears naturally when wooden panels are painted with a brush.
- To simulate such a "brush-painted" appearance, it is known to provide scratches in the longitudinal direction of the surface of the board before applying paint or another surface treatment substance. The scratches are thus to simulate traces from bristles of a brush.
- A person skilled in the art will know that in the industrial production of painted wood-fibre boards the boards are carried through a cure-promoting device immediately after paint has been applied to the surface. In addition to enabling stacking of the boards in height as soon as they come out of the curing device, it is done to effect or accelerate setting of the surface treatment substance before this fills the stripes completely and thereby ruins the desired effect. As a cure-promoting means it is normal to use an oven, IR or UV radiation, for example.
- The stripes are typically provided by means of a grinding means such as grinding paper or another surface-rubbing means, or a milling device.
- There are several drawbacks related to the said method of providing a brush-painted appearance.
- The method is expensive as it requires grinding machines and considerable amounts of grinding means, such as sand paper. Besides, sand paper will wear, which gives large variations in depths and extents of the stripes.
- It is common for wood-fibre boards to be made with an outer layer which is harder than the core portion of the board. By rubbing or grinding the surface, the outer layer is damaged. This may ruin some of the properties of the board. Besides, a board with a rubbed surface may absorb more surface treatment substance, which will, in turn, require larger consumption of surface treatment substance and thereby lead to increased production costs.
- As the surface is being ground, particles will be released in the form of grinding dust. For work-environmental reasons, among other things, this will require air suction. In addition, dust remaining on the surface of the board should be removed before a surface treatment substance is applied, in order to achieve the desired finish.
- The depth of the scratches that must be produced in the surface depends on the end result desired and on how many layers of surface treatment substance are applied. The more layers, the deeper scratches are required.
- However, one of the largest drawbacks of the above-mentioned prior art relates to the end result; boards that are provided with grooves produced to simulate a joint region of a tongue-and-groove joining of wooden panels, for example, will not be affected by the grinding means. For example, grinding paper will not be able to penetrate into the grooves unless customized grinding machines and grinding papers are used. In addition, beads or elevations, if any, will be subjected to a disproportionately powerful grinding action while, at the same time, transitions between the beads and the face portions of the board will not be affected by the grinding paper. Thus, the result will be that portions of the board will appear without the desired brush-painted surface.
- The invention has for its object to remedy or reduce at least one of the drawbacks of the prior art, or at least to provide a useful alternative to the prior art.
- The object is achieved through features which are specified in the description below and in the claims that follow.
- According to a first aspect of the present invention, an apparatus for the surface treatment of a body is provided, the apparatus including: an advancing means to produce relative movement between the body and the apparatus; at least one applicator which is arranged to apply a surface treatment substance to the body; and at least a curing device to induce or accelerate curing of the surface treatment substance which has been applied to the body, the apparatus further including a texture-producing device which is arranged in a portion between the applicator and the curing device to produce a texture in the surface treatment substance before this hardens.
- The desired texture is thereby produced in the surface treatment substance itself, while, at the same time, the body which is being treated has no damage done to its surface.
- The texture-producing means is preferably formed by a plurality of flexible, elongated and mutually independent elements. The texture-producing means may be brought to bear both against smooth board portions and against indentations and elevations at the same time. The entire board portion may thereby appear with a surface treatment substance that has been affected by the texture-producing means.
- Additional features of the invention will appear from the dependent claims 2-8.
- In a second aspect of the invention, a method for the surface treatment of a body is provided, wherein the body is carried on a track and is having a surface treatment substance applied to it by means of an applicator and is then carried into a curing device for curing of the surface treatment substance to be induced or accelerated, a texture-producing device being brought into contact with the surface treatment substance after it has been applied to the body. It is an advantage if the texture-producing device is brought into contact with the surface treatment substance before the body is carried into the curing device.
- In what follows is described an example of a preferred embodiment which is visualized in the accompanying drawings, in which:
- Figure 1
- shows a principle drawing, in a perspective view, of an apparatus according to the present invention for producing a texture in a surface treatment sub- stance after this has been applied to a board; and
- Figure 2
- shows a principle drawing, in a side view, of sev- eral apparatuses placed in series.
- Like or corresponding elements are indicated by the same reference numerals.
- In the figures, the
reference numeral 1 indicates an apparatus according to the present invention which is arranged for surface treatment ofboards 3 which are arranged one after another on an advancing means in the form of aconveyor belt 5. - For reasons of clarity, the
boards 3 are shown with a planar surface but might just as well be provided with grooves and/or beads to resemble joined wooden panels. - The necessary supporting and propelling means of the
conveyor belt 5 are not shown but are of a kind known per se. The moving direction of theconveyor belt 5 is shown by arrows V. - The
individual board 3 is carried between theconveyor belt 5 and anapplicator 7 for a surface treatment substance, theapplicator 7 being formed, in the embodiment shown, by a roller which extends transversely to the longitudinal direction of theboard 3. - In an alternative embodiment, the surface treatment substance may be applied to the
board 3 by means of a spraying plant, not shown. - The
roller 7 is of such a kind that it moulds to the surface texture of theboard 3 in order thus to apply a surface treatment substance to the entire board, including possible grooves. A type of roller that has proved suitable for the purpose is made of so-called "moss rubber" which is relatively porous and flexible. - The
apparatus 1 may be provided with several rollers (not shown) to enable switching from one colour to another, for example, without unnecessary stops in the production. Of course, with such an arrangement, only one roller will be moved against theboard 3 at a time. - In what follows, for simplicity, the surface treatment substance will be referred to as paint, even though other surface treatment substances such as varnish, oil, wax or other suitable substances could also be used. This will be explained in further detail in the discussion of
figure 2 . - The
roller 7 is supplied with paint in a manner known per se, by means of means not shown. However, this will be known to a person skilled in the art. - As soon as an even layer of paint has been applied to the
board 3 by means of theroller 7, theboard 3 is advanced by means of theconveyor belt 5 towards the right infigure 1 , to a brush whose bristles bear against the surface of theboard 3 to produce the desired texture 4 (shown in broken lines infigure 1 ) in the paint. Theboard 3 is advanced into acuring device 11. - In the embodiment shown, the texture-producing
device 9 extends transversely across theentire board 3 relative to longitudinal direction of theboard 3. - In one embodiment (not specifically shown), the texture-producing
device 9 is divided into several individual portions. Some or all of the individual portions may have different texture-producing effects. For example, the thickness and/or rigidity between some of the individual portions of the texture-producing device may be different. They may also be arranged to be adjusted individually in order thereby to exert different pressures against theboard 3. One and thesame board 3 may thereby get different paint textures in its transverse direction. - The curing
device 11 is of a kind known per se and may be based on heat, like for example, but not limited to, a so-called convection dryer, and/or radiation such as IR or UV light (infrared radiation and ultraviolet radiation, respectively). The choice of type of curing device depends on the type of surface treatment substance used, among other things. The distances between theroller 7, the texture-producingdevice 9 and thecuring device 11 are arranged to be adjustable. Infigure 1 this is shown in principle by theroller 7 and the texture-producingdevice 9 being attached to respective, movable supportingdevices 12. Said adjustment may be necessary to achieve a desired degree of merging of the "tracks" imparted to the paint by the texture-producingdevice 9 before the paint sets. Thus, the distance depends on the rate of advancement of theboard 3 through theapparatus 1, on the viscosity of the paint and on the temperatures of theboard 3 and the paint. - In one embodiment the distance is arranged to be controlled automatically, depending on the rate of advancement of the
board 3 through theapparatus 1 and possibly on other parameters such as temperature and paint viscosity. -
Figure 2 shows a principle drawing, in a side view, of a production line in which fiveapparatuses 1 are arranged in series, and in which boards (not specifically shown infigure 2 ) are carried through theapparatuses 1 by means of aconveyor belt 5. In the embodiment shown, acooling device 13 is arranged in addition behind the fifth andlast curing device 11. The purpose of thecooling device 13 is to reduce the heat which has been introduced into the boards through the curing devices. - In the embodiment shown, a texture-producing
device 9 is placed between eachroller 7 and curingdevice 11. It will be understood, however, that in an alternative embodiment it is conceivable for one or more of the texture-producingdevices 9 to be omitted, but there must be at least one. However, trials have surprisingly shown that the best result is achieved by arranging a texture-producingdevice 9 between eachroller 7 and curingdevice 11. - The series of
apparatuses 1 that is shown infigure 2 enables the application of five layers of surface treatment substance. For example, thefirst apparatus 1 in the series could be used to apply a primer to the board; the second, third and fourth apparatuses in the series paints of desired colours, and the fifth andlast apparatus 1 in the series a protective varnish. A person skilled in the art will understand that a production line may consist of more or fewer than the fiveapparatuses 1 that are shown in the exemplary embodiment. - Thus, the present invention provides an apparatus and a method which possess substantial advantages and solves several of the drawbacks related to the apparatus and method which are used to produce a desired brush-painted texture on a wood-fibre board.
Claims (10)
- An apparatus (1) for the surface treatment of a body (3), the apparatus (1) including: an advancing means (5) to produce relative movement between the body (3) and the apparatus (1); at least one applicator (7) which is arranged to apply a surface treatment substance to the body (3); and at least a curing device (11) to induce or accelerate curing of the surface treatment substance which has been applied to the body 3), characterized in that the apparatus (1) further includes a texture-producing device (9) which is arranged in a portion between the applicator (7) and the curing device (11) and at a distance from the curing device to produce a texture (4) in the surface treatment substance before this hardens.
- The apparatus in accordance with claim 1, wherein the applicator (7) includes a roller or a spraying device.
- The apparatus in accordance with claim 1, wherein the curing device (11) is formed by one of or a combination of a heating device, an IR radiation device and/or a UV radiation device.
- The apparatus in accordance with claim 1, wherein the texture-producing device (9) includes a plurality of flexible, elongated elements.
- The apparatus in accordance with claim 4, wherein the elements are fibres.
- The apparatus in accordance with claim 4 or 5, wherein the texture-producing device (9) is divided into several individual portions.
- The apparatus in accordance with claim 1, wherein the apparatus (1) includes alternately two or more applicators (7) and curing devices (11) placed in series, the texture-producing device (9) being arranged at least between one of the applicator (7) and the curing device (11).
- The apparatus in accordance with claim 1, wherein the surface treatment substance is one of or a combination selected from the group consisting of a paint, a varnish, a wax, an oil.
- A method for the surface treatment of a body (3), in which the body (3) is carried on a track (5) and is having a surface treatment substance applied to it by means of an applicator (7) and is then carried into a curing device (11) for curing of the surface treatment substance to be induced or accelerated, characterized in that a texture-producing device (9) is brought into contact with the surface treatment substance after this has been applied to the body (3).
- The method in accordance with claim 9, wherein the texture-producing device (9) is brought into contact with the surface treatment substance before the body (3) is carried into the curing device (11).
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NO20093015A NO332255B1 (en) | 2009-09-17 | 2009-09-17 | Apparatus and method for surface treatment of a body |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2311616A2 true EP2311616A2 (en) | 2011-04-20 |
EP2311616A3 EP2311616A3 (en) | 2014-12-24 |
EP2311616B1 EP2311616B1 (en) | 2019-05-01 |
Family
ID=43638795
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10175982.7A Active EP2311616B1 (en) | 2009-09-17 | 2010-09-09 | Apparatus and method for surface treatment of a body |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP2311616B1 (en) |
DK (1) | DK2311616T3 (en) |
NO (1) | NO332255B1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN105772316A (en) * | 2016-03-17 | 2016-07-20 | 安庆市凌康机电产品设计有限公司 | Coating device for embossing silica gel |
CN113814115A (en) * | 2020-08-14 | 2021-12-21 | 常州铭赛机器人科技股份有限公司 | Multi-station operation dispenser and operation method thereof |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
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WO1993015888A1 (en) * | 1992-02-05 | 1993-08-19 | Weyerhaeuser Company | Surfaced cellulosic composite panel and panel forming method |
US20070082180A1 (en) * | 2005-10-10 | 2007-04-12 | King Daniel W | System and method for making decorative building panels having a variegated appearance |
-
2009
- 2009-09-17 NO NO20093015A patent/NO332255B1/en unknown
-
2010
- 2010-09-09 DK DK10175982.7T patent/DK2311616T3/en active
- 2010-09-09 EP EP10175982.7A patent/EP2311616B1/en active Active
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105772316A (en) * | 2016-03-17 | 2016-07-20 | 安庆市凌康机电产品设计有限公司 | Coating device for embossing silica gel |
CN113814115A (en) * | 2020-08-14 | 2021-12-21 | 常州铭赛机器人科技股份有限公司 | Multi-station operation dispenser and operation method thereof |
CN113814115B (en) * | 2020-08-14 | 2023-11-21 | 常州铭赛机器人科技股份有限公司 | Multistation operation dispensing machine and operation method thereof |
Also Published As
Publication number | Publication date |
---|---|
EP2311616A3 (en) | 2014-12-24 |
DK2311616T3 (en) | 2019-07-22 |
NO20093015A1 (en) | 2011-03-18 |
EP2311616B1 (en) | 2019-05-01 |
NO332255B1 (en) | 2012-08-06 |
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