EP4230306A1 - Dispositif d'application d'un agent de scellement et procédé d'application d'un agent de scellement - Google Patents

Dispositif d'application d'un agent de scellement et procédé d'application d'un agent de scellement Download PDF

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Publication number
EP4230306A1
EP4230306A1 EP23156222.4A EP23156222A EP4230306A1 EP 4230306 A1 EP4230306 A1 EP 4230306A1 EP 23156222 A EP23156222 A EP 23156222A EP 4230306 A1 EP4230306 A1 EP 4230306A1
Authority
EP
European Patent Office
Prior art keywords
nozzle
sealing agent
floor element
gas
conveying direction
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.)
Pending
Application number
EP23156222.4A
Other languages
German (de)
English (en)
Inventor
Matthias Gros
Stefan Schiele
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP4230306A1 publication Critical patent/EP4230306A1/fr
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
    • B05C11/02—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface
    • B05C11/06—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface with a blast of gas or vapour
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
    • B05C1/006—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to the edges of essentially flat articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
    • B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
    • B05C5/0204—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work for applying liquid or other fluent material to the edges of essentially flat articles
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/02—Flooring or floor layers composed of a number of similar elements
    • E04F15/02005—Construction of joints, e.g. dividing strips
    • E04F15/02016—Construction of joints, e.g. dividing strips with sealing elements between flooring elements
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/02—Flooring or floor layers composed of a number of similar elements
    • E04F15/02005—Construction of joints, e.g. dividing strips
    • E04F15/02033—Joints with beveled or recessed upper edges
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/02—Flooring or floor layers composed of a number of similar elements
    • E04F15/02038—Flooring or floor layers composed of a number of similar elements characterised by tongue and groove connections between neighbouring flooring elements
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/02—Flooring or floor layers composed of a number of similar elements
    • E04F15/04—Flooring or floor layers composed of a number of similar elements only of wood or with a top layer of wood, e.g. with wooden or metal connecting members
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/02—Flooring or floor layers composed of a number of similar elements
    • E04F15/10—Flooring or floor layers composed of a number of similar elements of other materials, e.g. fibrous or chipped materials, organic plastics, magnesite tiles, hardboard, or with a top layer of other materials
    • E04F15/105—Flooring or floor layers composed of a number of similar elements of other materials, e.g. fibrous or chipped materials, organic plastics, magnesite tiles, hardboard, or with a top layer of other materials of organic plastics with or without reinforcements or filling materials
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/02—Flooring or floor layers composed of a number of similar elements
    • E04F15/10—Flooring or floor layers composed of a number of similar elements of other materials, e.g. fibrous or chipped materials, organic plastics, magnesite tiles, hardboard, or with a top layer of other materials
    • E04F15/107—Flooring or floor layers composed of a number of similar elements of other materials, e.g. fibrous or chipped materials, organic plastics, magnesite tiles, hardboard, or with a top layer of other materials composed of several layers, e.g. sandwich panels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
    • B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
    • B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line

Definitions

  • the present invention relates to a device for applying a sealant to a side surface of a floor element, in particular a floorboard. Furthermore, the invention relates to a method for applying a sealing agent to a side surface of a floor element, in particular a floorboard. Another object of the invention is a production line for manufacturing a floor element.
  • Such floor elements typically have a decorative surface that forms the upper side of the floor covering when laid.
  • a device for applying a sealing agent with an application device and a leveling device, which is arranged and set up in such a way to level the sealing agent applied by means of the application device, is known, for example DE 93 18 650 U1 known.
  • the task is to increase the quality of the sealing of the side surfaces of floor elements.
  • the application device can be designed, for example, as a transfer wheel or as a vacuum application device or as a spray application device. Even if the main focus is on a configuration of the application device as a transfer wheel, these statements also apply analogously to other configurations of application devices.
  • the sealing agent can be picked up from a bath by means of the transfer wheel and applied to the side surface.
  • defects in the sealing can occur due to breaks or defects in the side surface, for example in the form of areas in which no sealing agent is present. It is also possible that the application causes an uneven distribution of the sealing agent on the end face.
  • the leveling device provided according to the invention makes it possible to distribute the sealing agent, ie to level it, in order to compensate for such non-uniform distributions.
  • the arbitration device sealing means spend in such areas where there is no sealant after application, especially by the transfer wheel. Consequently, the probability of the occurrence of sealing defects on the side surface can be reduced and the quality of the sealing of the side surface can thus be increased.
  • the sealing agent is preferably in liquid form, for example as a solvent-based sealing agent and/or a non-water-based sealing agent.
  • the transfer wheel can have a surface that is aligned parallel to the side surface on which the application takes place.
  • the side surface is preferably aligned vertically, ie parallel to the local direction of the gravitational force.
  • the side surface can include or represent a joint surface over which the floor element can be joined to other floor elements.
  • the floor element is preferably a floorboard, in particular a floorboard with a decorative surface which is arranged essentially perpendicular to the side surface.
  • the layer thickness of the sealing agent on the transfer wheel can be adjusted using a scraper.
  • the transfer wheel in particular the surface, is preferably spaced apart from the side surface by a gap when the sealing agent is applied to the side surface of the floorboard.
  • the application of the sealing agent from the transfer wheel to the side surface preferably takes place via adhesive forces.
  • the sealant preferably does not form a layer on the side surface. Rather, the sealing agent or non-volatile components of the sealing agent are drawn into the floor element.
  • the floor element is impregnated with the sealing agent at least in the area of the side surface.
  • the sealing agent is layer-forming, i.e. that it forms a layer on the side surface after application and smoothing.
  • the device has a conveying device for conveying the floor element in a conveying direction along the application device, in particular the transfer wheel, and along the smoothing device.
  • the conveying device By means of the conveying device, the floor element can first be brought to the application device, in particular the transfer wheel, and then to the sizing device.
  • the conveyor can be designed as a conveyor belt or conveyor chain or as a roller conveyor.
  • the conveyor can include several conveyor modules, for example several conveyor belts, conveyor chains or roller conveyors.
  • the conveyor modules can be arranged in series and/or in parallel. It is preferably provided that the conveyor has a first conveyor module and a second Having conveyor module, which are arranged in parallel.
  • the first conveyor device module is particularly preferably arranged in a fixed manner and the second conveyor device module is arranged so that it can be moved transversely to the conveyor device, so that a distance can be set transversely to the conveying direction between the first and the second conveyor device module in order to adapt the conveyor device to the width of the respective floor element.
  • the leveling device has at least one nozzle, by means of which a gas or gas mixture, in particular air, can be blown onto the side surface.
  • the nozzle is preferably designed as a flat jet nozzle.
  • the nozzle is preferably arranged in such a way that the gas or gas mixture strikes the end face at an angle of incidence in the range from 85° to 90°, in particular at an angle of incidence of 90°.
  • Such an embodiment is particularly advantageous when the merging device includes exactly one nozzle, or when the merging device with exactly one nozzle is assigned to exactly one transfer wheel.
  • the nozzle is arranged in such a way that the gas or gas mixture strikes the end face at an angle of incidence in a range from 10° to 85°, for example at an angle of incidence in a range from 45° to 75°.
  • the angle in this way, a preferred direction can be specified in which the sealing agent applied by means of the transfer wheel is blown onto the end face.
  • the nozzle is particularly preferably designed in such a way that the impact angle can be adjusted by a user of the device and/or automatically, so that the leveling device can be adapted to different floor elements.
  • the leveling device has a plurality of nozzles, by means of which a gas or gas mixture, in particular air, can be blown onto the side surface.
  • the smoothing device can have, for example, two, three, four, five, six, seven, eight, nine or even more such nozzles.
  • the gas or gas mixture can be blown onto different areas of the side surface through the plurality of nozzles, so that different areas of the side surface can be acted on at the same time.
  • the nozzles may be independently adjustable such that they can be independently activated, i.e. turned on, and/or deactivated, i.e. turned off.
  • the nozzles can be independently adjustable in such a way that a blowing pressure of the nozzles can be adjusted independently of one another. If the orientation of the nozzles can be adjusted automatically, it can be provided that the orientation of the nozzles can be adjusted independently of one another.
  • the leveling device has at least a first and a second nozzle, by means of which a gas or gas mixture, in particular air, can be blown onto the side surface, the first nozzle being set up for the gas or gas mixture in an in Dispense the first direction pointing in the conveying direction and the second nozzle is set up to discharge the gas or gas mixture in a second direction pointing opposite to the conveying direction.
  • the first direction does not necessarily have to be parallel to the conveying direction and the second direction does not necessarily have to be anti-parallel to the conveying direction. Rather, it is sufficient if the first direction encloses an angle in the range between -90° and 90° with the conveying direction and the second direction encloses an angle in the range between 90° and 270° with the conveying direction.
  • the leveling device has a plurality of first and a plurality of second nozzles, by means of which a gas or gas mixture, in particular air, can be blown onto the side surface, the first nozzles being set up for the gas or gas mixture in a pointing in the conveying direction and the second nozzle are set up to release the gas or gas mixture in a second direction pointing counter to the conveying direction.
  • the plurality of first nozzles are preferably arranged spaced apart from one another in a direction perpendicular to the conveying direction.
  • the plurality of second nozzles are spaced from each other in a direction perpendicular to the conveying direction.
  • the plurality of first nozzles are preferably arranged in such a way that the first streams of gas or gas mixture discharged from the first nozzles at least partially overlap.
  • the plurality of second nozzles are preferably arranged in such a way that second streams of gas or gas mixture discharged from the second nozzles at least partially overlap. In this way, it is possible to finish over a larger contiguous area of the edge than is possible with just a single nozzle.
  • the device comprises a control unit which is set up to control, in particular to activate, the first nozzle in such a way that when a starting edge of the floor element arranged transversely to the conveying direction moves relative to the first nozzle, sealing means is brought through the first nozzle from the side surface to the starting edge and to control, in particular to activate, the second nozzle in such a way that, when an end edge of the floor element arranged transversely to the conveying direction moves relative to the second nozzle, sealing agent is sprayed through the second nozzle from the side surface the end edge is spent.
  • the device has a detection device connected to the control unit for detecting a position of the floor element relative to the leveling device.
  • the leveling device in particular the nozzle(s) of the leveling device, can be controlled as a function of the position of the floor element.
  • the leveling device can be controlled in which the leveling device, in particular the nozzle(s), is activated when a floor element is located in the area of the leveling device and deactivated when there is no floor element in the area of the leveling device.
  • the detection device is preferably set up to detect a position of the starting edge and/or the end edge of the floor element. The position relative to the first nozzle and/or relative to the second nozzle is preferably detected.
  • the leveling device By detecting the starting edge and/or ending edge, it is possible to control the leveling device, in which the first nozzle, which is aligned in the conveying direction of the floor element, is activated before the starting edge passes through the first nozzle and in which the second nozzle, which is oriented counter to the conveying direction, remains activated until the trailing edge has passed the second nozzle.
  • Such control makes it possible to drive sealing agent through the leveling device from the side surface onto the leading edge and the trailing edge of the floor element.
  • the control unit is preferably set up to activate the first nozzle or leave it activated when the initial edge is detected.
  • the second nozzle can be activated or deactivated upon detection of the leading edge.
  • the control unit is preferably set up to activate the second nozzle or leave it activated when the end edge is detected.
  • the first nozzle can be activated or deactivated upon detection of the trailing edge.
  • control unit may be configured to keep the first nozzle and the second nozzle continuously activated.
  • the arbitration device comprises more than two nozzles, with a first set of nozzles having an identical first alignment and a second set of nozzles having an identical second alignment that deviates from the alignment of the nozzles of the first set.
  • the more than two nozzles are arranged in a row, with one nozzle of the first set being arranged adjacent to two nozzles of the second set.
  • the nozzles are arranged alternately with two different orientations.
  • the nozzles are preferably arranged in a row which is aligned parallel to the conveying direction of the floor element.
  • the application device in particular the rotatable transfer wheel or the vacuum application device or the spray application device, is additionally configured for applying the sealing agent to a bevel of the floor element, in particular a bevel between the side surface and a decorative side of the floor element.
  • the side surface and bevel can be coated with the same transfer wheel.
  • the device has a further application device, in particular a further transfer wheel or a further vacuum application device or a further spray application device, for applying the sealing agent to a bevel adjoining the side surface.
  • the sealing agent can be applied to the side face and the bevel with two separate application devices, in particular transfer wheels or vacuum application devices or spray application devices.
  • a further object of the invention is a production line for manufacturing a floor element with at least one device for applying a sealing agent as described above.
  • the production line can include a milling device upstream of the device for applying the sealant, in which the floor element, in particular one side surface or the opposite side surfaces of the floor element, is/are processed before it is fed to the device for applying the sealant.
  • the milling device is preferably set up to produce a coupling element in the respective side surface of the floor element.
  • the milling device is set up to produce a chamfer between a decorative surface and the side surface of the floor element.
  • a coating device for coating the chamfer with a layer-forming coating agent can also optionally be provided. This optional coating device is preferably arranged between the milling device and the device for applying the sealing agent, so that the coating agent can be applied to the bevel before the sealing agent is applied to the side surface and possibly additionally to the bevel.
  • the production line preferably includes a drying device for drying the floor element.
  • the drying device is preferably arranged in such a way that a floor element processed in the device for applying the sealing agent is fed to the drying device.
  • the drying device is connected downstream of the device for applying the sealing agent.
  • the production line comprises a first device for applying the sealing agent to one or more first side surfaces of the floor element and a second device for applying the sealing agent to one or more second side surfaces of the floor element.
  • the first device can apply the sealing agent, for example, to the side surfaces of a longitudinal direction of the floor element and the second device can apply the sealing agent to the side surfaces of a transverse direction of the floor element.
  • a milling device is preferably arranged in the production line in front of the first and the second device for applying the sealing agent, so that the side surface(s) can be processed first and then the processed side surface(s) can be sealed.
  • a drying device is particularly preferably arranged in the production line after the first and the second device for applying the sealing agent, so that the floor element can be dried in the area of the respective side surface after application.
  • the production line preferably has a first device for applying the sealing agent to one or more first side surfaces of the floor element and a second device for applying the sealing agent to one or more second side surfaces of the floor element, the first device having one or more first smoothing device(s) and the second device has one or more second arbitration device(s). It is preferably provided that the first smoothing device(s) have a nozzle which is arranged in such a way that the gas or gas mixture impinges on the face hits.
  • the second leveling device(s) comprise a plurality of nozzles, which are arranged in such a way that the gas or gas mixture strikes the end face at an angle of incidence in a range from 10° to 85°, for example at an angle of incidence in a range of 45 ° to 75°.
  • a gas or gas mixture in particular air
  • the blowing being carried out with a blowing pressure in the range from 0.01 bar to 1 bar, for example in the range from 0. 05 bar to 0.5 bar, in particular in the range from 0.1 bar to 0.25 bar.
  • An advantageous embodiment of the invention provides that a gas or gas mixture, in particular air, is blown onto the side surface by means of the first and second nozzle, with the first and second nozzle being activated and deactivated independently of one another.
  • a gas or gas mixture in particular air
  • Such an embodiment of the method makes it possible to subject different areas of the side surface to different blowing pressures.
  • the area exposed to the first nozzle may not receive blowing pressure (first nozzle is deactivated), and the area exposed to the second nozzle (second nozzle is activated) may receive a predetermined blowing pressure.
  • a different blowing pressure can be exerted through the first nozzle than through the second nozzle. If the first and second nozzles have different orientations, the independent activation of the first and second nozzles can selectively apply blowing pressure in the direction of the orientation of the first nozzle and/or in the direction of the orientation of the second nozzle on the side surface.
  • the leveling device has at least a first and a second nozzle, by means of which a gas or gas mixture, in particular air, can be blown onto the side surface, the first nozzle being set up to spray the gas or gas mixture in a in the first direction pointing in the conveying direction and the second nozzle is set up to discharge the gas or gas mixture in a second direction pointing counter to the conveying direction, with the first nozzle being activated preferably when an initial edge of the floor element arranged transversely to the conveying direction arrives in the region of the leveling device, and when an end edge arranged transversely to the conveying direction runs out Floor element from the area of the adjustment device, the second nozzle is activated.
  • a gas or gas mixture in particular air
  • Such a configuration makes it possible to smooth the sealing agent applied on the side surface onto the leading edge and the trailing edge. Since the first nozzle of the leveling device is activated when the leading edge enters, this first nozzle can drive sealing agent from the side surface onto the leading edge. The second nozzle is activated when the trailing edge runs out and can thereby drive sealing agent from the lateral surface onto the trailing edge.
  • the leveling device has a plurality of first and a plurality of second nozzles, by means of which a gas or gas mixture, in particular air, can be blown onto the side surface, the first nozzles being set up for the gas or gas mixture in a pointing in the conveying direction and the second nozzle are set up to release the gas or gas mixture in a second direction pointing counter to the conveying direction.
  • the plurality of first nozzles are preferably arranged at a distance from one another in a direction perpendicular to the conveying direction and parallel to the side surface of the floor element.
  • the plurality of second nozzles are preferably arranged at a distance from one another in a direction perpendicular to the conveying direction and to the side surface of the floor element.
  • the plurality of first nozzles are preferably arranged in such a way that the first streams of gas or gas mixture discharged from the first nozzles at least partially overlap.
  • the plurality of second nozzles are preferably arranged in such a way that second streams of gas or gas mixture discharged from the second nozzles at least partially overlap. In this way, it is possible to finish over a larger contiguous area of the edge than is possible with just a single nozzle.
  • the position relative to the first nozzle and/or relative to the second nozzle is preferably detected.
  • the first nozzle aligned in the conveying direction of the floor element is activated before the leading edge passes the first nozzle and the second nozzle aligned counter to the conveying direction remains activated until the trailing edge has passed the second nozzle.
  • Such control makes it possible to drive sealing agent through the leveling device from the side surface onto the leading edge and the trailing edge of the floor element.
  • the first nozzle and the second nozzle can be continuously activated.
  • the advantageous configurations and features explained in connection with the device according to the invention for applying a sealing agent can be used in the method.
  • the representation in 1 shows a floor covering 5, which is formed from several floor elements designed as floor boards.
  • the floor elements 4 are arranged on a subsurface so that they rest against one another in such a way that their decorative sides point upwards.
  • the floor elements 4 can be made of wood, for example, or of a laminate comprising wood or a wood-based material.
  • the floor elements 4 are in Connection areas 1 connected to each other. In the connection areas 1 a side surface of a first floor element 4 is in contact with a side surface of a second floor element 4 .
  • FIGS. 2A and 2B show two side views of side surfaces 2 of an exemplary floor element 4.
  • a first side surface 2 is designed in the manner of a spring side, cf. Figure 2A .
  • a second side surface 2, which is arranged opposite the first side surface on the floor element 4, is designed in the manner of a groove side, cf. Figure 2B .
  • a chamfer 3 is provided in each case between the side surfaces 2 and the decorative sides of the floor elements 4 .
  • the floor elements 4 are arranged on the subsurface in such a way, that is to say “laid”, that in each case a tongue side is brought into contact with a groove side.
  • a sectional view of a corresponding connection area 1 with a groove side and a tongue side is shown in 3 shown. It can be seen that the side surfaces 2 are in contact with one another.
  • the side surfaces 2 each have a chamfer 3 on an upper edge, so that a joint between two floor elements 4 lying against one another is formed at the edge between the decorative side 6 and the side surface 2 .
  • the representation in 4 shows a side surface 2 of a floor element 4, which has a mechanical coupling element, for example a click-connection coupling element.
  • a mechanical coupling element for example a click-connection coupling element.
  • a non-positive connection of two coupling elements can be formed in the connection area 1 .
  • the 4 shows the floor element 4 applying a sealant by a transfer wheel.
  • the top surface 6 of the floor element is oriented downwards in the direction of gravity.
  • the side surface 2 is vertical.
  • FIG 5 1 is a flow chart of an embodiment of a method for applying a sealant according to the invention.
  • a floor element 4 in particular a floorboard, is first provided.
  • This floor element 4 includes a decorative side 6 and a plurality of side surfaces 2 .
  • On the edges between the decorative side 6 and the side surfaces 2 can optionally a chamfer 3 can be provided.
  • a preliminary product can be processed with a milling tool.
  • a tongue element and/or a groove element can also be produced on the side surfaces 2 of the floorboard 4, for example using a milling tool.
  • mechanical coupling elements 7, for example by a milling tool can be produced on the side surfaces 2, which are designed to be connected to corresponding coupling elements of other floor elements.
  • the floorboard 4 can be conveyed in a conveying direction F during the entire process by means of a conveying device, for example having one or more conveyor belts and/or conveyor chains and/or roller conveyors.
  • a sealing agent is applied to the side surface 2—the joining edge.
  • the sealing agent is preferably not water-based and impregnates the side face 2 against water penetration.
  • the sealant is applied with an in 4 shown, rotatable about an axis of rotation D, transfer wheel 20, which receives the sealing agent from a bath and applies it to the side surface 2.
  • the transfer wheel 20 is spaced apart from the side face 2 by a gap during application.
  • the sealing agent is applied to the side surface 2 via adhesive forces.
  • the sealing agent is applied at least in a section of the end face 2 which is adjacent to the decorative surface 6 or a chamfer 3 .
  • a further section of the side face, for example a section comprising a coupling element 7, can remain free of sealing agent.
  • the sealing agent can be applied completely to the side surface 2.
  • the sealing agent can be applied to the chamfer with the same transfer wheel 20.
  • a further transfer wheel can be provided, which applies the sealing agent to the bevel 3.
  • a smoothing step 13 following the application step 12 the sealing agent applied by means of the transfer wheel 20 is smoothed in order to eliminate any coating defects on the side surface and thus to increase the quality of the side surface sealing.
  • the sealing agent can be dried.
  • the floor element 4 is guided past a drying device.
  • the representation in 6 shows an embodiment of a device according to the invention for applying a sealant to a side surface 2 of a floor element 4, in particular a floorboard, with a rotatable transfer wheel 20 for receiving the sealant from a bath and for applying the sealant to the side surface 2 of the floor element 4 and with a smoothing device 30, which is arranged and set up in such a way that the sealing agent applied by means of the transfer wheel 20 is smoothed.
  • the device according to the exemplary embodiment comprises a conveyor device 40 for conveying the floor element in a conveying direction F along the transfer wheel 20 and along the leveling device 3.
  • the conveyor device 40 is designed as a conveyor belt or conveyor chain or roller conveyor, which has two conveyor device modules that are parallel are arranged to each other.
  • a conveyor can be provided with only one conveyor module.
  • the leveling device 30 comprises a plurality of nozzles 31, 32, via which a gas or gas mixture, for example air, can be blown onto the side surface.
  • the nozzles 31, 32 are oriented in different directions R1, R2.
  • a first nozzle 31 is aligned in a first direction R1, which points in the conveying direction F.
  • the first direction R1 is not necessarily parallel to the conveying direction F, but encloses an angle with the conveying direction F in the range between ⁇ 90° and 90°.
  • a second nozzle 32 is aligned in a second direction R2, which points opposite to the conveying direction F.
  • the second direction R2 is not necessarily anti-parallel to the conveying direction F, but encloses an angle with the conveying direction F in the range between 90° and 270°.
  • the nozzles 31, 32 can be controlled independently of one another. This means that the nozzles 31, 32 can be activated and deactivated independently of one another, and that a blowing pressure of the nozzles can be adjusted independently of one another.
  • a further component of the device, in particular of the sizing device 30, is a control unit 33, via which the nozzles 31, 32 of the sizing device 30 can be controlled.
  • the control unit 33 is connected to a detection device 34 which can detect the position of the floor element 4 relative to the leveling device 30, in particular relative to the nozzles 31, 32.
  • the blowing pressure of the nozzles 31, 32 is in a range from 0.01 bar to 1 bar, for example in the range from 0.05 bar to 0.5 bar, in particular in the range from 0.1 bar to 0.25 bar, set so that the applied sealant is not blown off or removed from the side surface 2.
  • the floor element 4 comprises a starting edge 4.1 arranged transversely to the conveying direction F and an end edge 4.2 also arranged transversely to the conveying direction F.
  • the nozzles 31, 32 of the smoothing device are controlled as follows.
  • the first nozzle 31, which blows in the conveying direction is activated in order to blow sealing agent on the side surface 2 onto the leading edge 4.1. This activation can preferably take place before the leading edge 4.1 passes the first nozzle 31.
  • the second nozzle is then activated 32 in order to blow sealing agent from the side surface 2 onto the end edge 4.2. If the second nozzle has already been activated beforehand, the second nozzle 32 is left activated at least until the end edge 4.2 has passed the second nozzle 32.
  • the representation in 7 shows an embodiment of a production line 100 according to the invention.
  • the production line 100 comprises a total of two devices for applying sealing agent to the respective side surfaces, first sealing one or two side surfaces in a longitudinal direction of the floor element and then one or two side surfaces in a transverse direction of the floor element.
  • either the device for applying the sealing agent figure 6 or a device for applying the sealing agent, which will be explained later, according to FIG 8 find use.
  • the production line 100 comprises a first milling device 101 for milling a first side surface in a longitudinal direction or two opposite first side surfaces in the longitudinal direction.
  • a coupling element can be formed in the first side surface or surfaces.
  • a chamfer can be created between a decorative surface and the first side surface.
  • the bevel is coated in a first coating device 102, for example with a paint.
  • a first transfer wheel 103 is provided, via which sealing agent is applied to the side surface.
  • two first Transfer wheels 103 may be provided for applying sealant to two opposite side surfaces of the floor element.
  • a first smoothing device 104 for smoothing the sealing agent is arranged behind the transfer wheel or wheels 103 .
  • two first leveling devices 104 for leveling sealing agent can be provided on two opposite side surfaces.
  • a first drying device 105 in which the first side faces are dried, is optionally arranged after the first smoothing device or devices 104.
  • a device 110 for changing the conveying direction of the floor element and/or for changing an orientation of the floor element with respect to the conveying direction F is provided.
  • This can be designed, for example, as a chute magazine.
  • a further sequence of devices 111, 112, 113, 114, 115 is provided. These include a second milling device 111 for milling a second side surface in a transverse direction or two opposite second side surfaces in the transverse direction. A coupling element can be formed in the one or more second side surfaces during milling. Optionally, a chamfer can be created between a decorative surface and the second side surface. It can further optionally be provided that the bevel is coated in a second coating device 112, for example with a lacquer.
  • a second transfer wheel 113 is provided, via which sealing agent is applied to the second side surface.
  • two second transfer wheels 113 can be provided for applying sealing agent to two opposite second side surfaces of the floor element.
  • a second smoothing device 114 for smoothing the sealing agent is arranged behind the second transfer wheel or wheels 113 .
  • two second leveling devices 114 can be provided for leveling sealing agent on two opposite side surfaces.
  • a second drying device 115 in which the second side faces are dried, is optionally arranged downstream of the second smoothing device or devices 114.
  • the representation in 8 shows a second embodiment of a device according to the invention for applying a sealing agent to a side surface 2 of a floor element 4, in particular a floorboard.
  • the device according to the second embodiment corresponds to that in 6 shown device according to the first embodiment with the difference that the sealing agent can be applied and smoothed simultaneously on two opposite side surfaces 2 of the floor element 4.
  • the device comprises two rotatable transfer wheels 20 for picking up the sealing agent from a respective bath and for applying the sealing agent to one of the two opposite side surfaces 2 of the floor element 4.
  • the device also comprises two smoothing devices 30, which are each arranged and set up in such a way that by means of one of the two transfer wheels 20 applied sealing agent.
  • the function and design of the elements of the device correspond to those of the device according to the first exemplary embodiment, so that reference is made to the explanations relating to the first exemplary embodiment.
  • the device according to the second exemplary embodiment comprises two control devices 33 via which the nozzles 31, 32 of the respective smoothing device 30 can be controlled.
  • the respective control unit 33 is connected to a detection device 34 which can detect the position of the floor element 4 relative to the smoothing device 30, in particular relative to the nozzles 31, 32.
  • a detection device 34 which can detect the position of the floor element 4 relative to the smoothing device 30, in particular relative to the nozzles 31, 32.
  • the two arbitration devices 30 are controlled via a common control unit and/or only a common detection device is provided.
  • the device after 8 may be related to both at the figure 5 described method as well as in accordance with a line 7 find use.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Coating Apparatus (AREA)
EP23156222.4A 2022-02-17 2023-02-13 Dispositif d'application d'un agent de scellement et procédé d'application d'un agent de scellement Pending EP4230306A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102022201648 2022-02-17

Publications (1)

Publication Number Publication Date
EP4230306A1 true EP4230306A1 (fr) 2023-08-23

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EP23156222.4A Pending EP4230306A1 (fr) 2022-02-17 2023-02-13 Dispositif d'application d'un agent de scellement et procédé d'application d'un agent de scellement

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EP (1) EP4230306A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4224678A1 (de) * 1992-07-25 1994-01-27 Ostermann & Scheiwe Gmbh & Co Verfahren und Vorrichtung zum Beschichten von Gegenständen und Schlitzdüsenelement hierfür
DE9318650U1 (de) 1993-12-06 1995-02-16 Heggenstaller Anton Ag Auftragevorrichtung für die Beschichtung mit Lack o.dgl.
EP0903451A2 (fr) * 1997-09-22 1999-03-24 Unilin Beheer B.V. Elément de plancher, procédé pour la fabrication d'un tel élément de plancher et dispositif utilisé avec
WO2009147481A1 (fr) * 2008-05-27 2009-12-10 Hdg S.R.L. Machine d'application d'apprêt pour surfaces en bois
EP2409778A1 (fr) * 2010-07-21 2012-01-25 Delle Vedove Deutschland GmbH Dispositif de revêtement pour pièces usinées allongées

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4224678A1 (de) * 1992-07-25 1994-01-27 Ostermann & Scheiwe Gmbh & Co Verfahren und Vorrichtung zum Beschichten von Gegenständen und Schlitzdüsenelement hierfür
DE9318650U1 (de) 1993-12-06 1995-02-16 Heggenstaller Anton Ag Auftragevorrichtung für die Beschichtung mit Lack o.dgl.
EP0903451A2 (fr) * 1997-09-22 1999-03-24 Unilin Beheer B.V. Elément de plancher, procédé pour la fabrication d'un tel élément de plancher et dispositif utilisé avec
WO2009147481A1 (fr) * 2008-05-27 2009-12-10 Hdg S.R.L. Machine d'application d'apprêt pour surfaces en bois
EP2409778A1 (fr) * 2010-07-21 2012-01-25 Delle Vedove Deutschland GmbH Dispositif de revêtement pour pièces usinées allongées

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