EP3127617A1 - Dispositif de revetement destine a appliquer un agent de revetement liquide sur une piece usinee allongee - Google Patents

Dispositif de revetement destine a appliquer un agent de revetement liquide sur une piece usinee allongee Download PDF

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Publication number
EP3127617A1
EP3127617A1 EP16181871.1A EP16181871A EP3127617A1 EP 3127617 A1 EP3127617 A1 EP 3127617A1 EP 16181871 A EP16181871 A EP 16181871A EP 3127617 A1 EP3127617 A1 EP 3127617A1
Authority
EP
European Patent Office
Prior art keywords
roller
peripheral surface
workpiece
coating
coating agent
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.)
Withdrawn
Application number
EP16181871.1A
Other languages
German (de)
English (en)
Inventor
Andreas Wöhrle
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.)
Windmoeller Flooring Products GmbH
Original Assignee
Windmoeller Flooring Products GmbH
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 Windmoeller Flooring Products GmbH filed Critical Windmoeller Flooring Products GmbH
Publication of EP3127617A1 publication Critical patent/EP3127617A1/fr
Withdrawn legal-status Critical Current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
    • 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
    • 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
    • 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
    • B05D1/26—Processes for applying liquids or other fluent materials performed by applying the liquid or other fluent material from an outlet device in contact with, or almost in contact with, the 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
    • B05D2203/00—Other substrates
    • B05D2203/20—Wood or similar material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
    • B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
    • B27K3/02—Processes; Apparatus
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
    • B27K5/00—Treating of wood not provided for in groups B27K1/00, B27K3/00
    • B27K5/02—Staining or dyeing wood; Bleaching wood

Definitions

  • the present invention relates to a coating device for applying a liquid coating agent to an elongate workpiece which is guided on a linear path, according to the preamble of claim 1.
  • the workpieces of the present type may be, for example, panels, furniture parts or the like, which consist of wood, a wood material such as MDF or HDF or also of a plastic material, or of a mixture of such materials.
  • these workpieces may be the panels of floor coverings which are profiled on their side edges and may additionally be provided with a chamfer.
  • the present invention is not limited specifically to a particular type of workpieces, especially not to certain types of materials or a particular use.
  • such workpieces are provided with a coating after the shaping treatment, that is to say in particular after an edge profiling.
  • this coating can be, for example, a lacquer, a paint application, an impregnation or the like, which serves as decoration or for protecting the workpiece surface.
  • this coating should be different from the coating on an adjacent surface of the workpiece, such as the effective area of a panel. In this respect, it is important that the bevel is coated over its entire width, but not beyond. At the same time the coating during the passage of the workpiece by a corresponding coating station can be produced at high speed within the processing plant.
  • coating devices which comprise a roller on which the coating agent is applied by means of an application device are known.
  • the workpiece with the workpiece surface to be coated is guided past, so that the coating agent is transferred from the peripheral surface of the roller to the workpiece surface.
  • the roller must be arranged so that a precise and continuous coating of the intended area of the workpiece surface is made possible, even at high conveying speeds.
  • the peripheral surface of the roll extends over the entire width of the strip to be coated of the tool surface. While the closest possible contact between the roller and the workpiece fundamentally improves the transfer of the coating agent, it causes impacts and impacts, which occur due to irregularities during the conveyance of the workpiece, to act directly on the roller.
  • the peripheral surface of the roller has been kept at a small distance above the workpiece surface to be coated. The distance is sufficient to bring the film of the coating agent in contact with the workpiece surface.
  • smearing of the coating agent over the surface to be coated and undesired transfer to adjacent surface areas can easily occur.
  • the object of the present invention is therefore to improve a coating device of the type described above to the extent that a precise and uniform coating of the workpiece surface over the entire width of the area to be coated is made possible even at high conveying speeds, without an elaborate adjustment is necessary.
  • the peripheral surface of the roller carrying the coating agent has a curved cross-sectional area and is formed of an elastic material.
  • the domed cross section also provides advantages. Due to the centrifugal force that occurs during the rotation of the roller, the coating agent collects on the vertex of the cross section of the curvature of the peripheral surface, ie on the peripheral region of the roller with the maximum distance from the roller axis, so that the coating agent film in this area has maximum thickness. If this film comes into contact with the workpiece surface, then the coating agent spreads due to its capillarity or interfacial tension lateral to the web on the strip-shaped workpiece surface and can completely wet them along their width to the edges. In the case where the peripheral surface contacts the roller to the workpiece surface, the coating agent spreads in the approximately wedge-shaped spaces between roller and workpiece laterally of the contact point of the cross section.
  • the requirements for the precision of the positioning of the roller on the workpiece are lower here than in the case of conventional rollers.
  • the curvature of the cross section of the roll is suitably tuned to the width of the strip to be coated on the workpiece in order to achieve the desired complete coating. In general, a good coating result will be achieved if the radius of curvature of the curvature is a multiple of the width of the strip, so that even at the edges of the strip, the distance to the peripheral surface of the roll is not too large, the film of the coating agent does not break.
  • the peripheral surface of the roller contacts the workpiece.
  • the case occurring contact between the roller and workpiece ensures the most reliable transmission of the coating agent.
  • the curved cross-sectional area of the peripheral surface is circular arc-shaped.
  • the peripheral surface is formed by the surface of an annular applicator element which rests on a roller surface surrounding the receiving surface or rests in this.
  • this annular applicator is an O-ring of circular cross-section made of rubber or plastic and bearing in a circumferential groove on the surface of the roller.
  • the application device is preferably designed as a nozzle, which is arranged to apply the coating agent close to the peripheral surface of the roller.
  • the distance between the nozzle and the peripheral surface is to be selected such that a continuous, non-disruptive film of the coating composition is formed even at high rotational speeds of the roll.
  • the nozzle may also touch the peripheral surface.
  • the coating device according to the invention comprises a removal device for the mechanical removal of excess coating agent from the peripheral surface of the roller.
  • This removal device may be, for example, a scraper, a squeegee or the like.
  • This removal means may be disposed downstream of the point of contact between the roller and the workpiece with respect to the direction of rotation of the roller so that residual coating agent remaining on the roller after transfer to the workpiece is mechanically radiated.
  • the coating device according to the invention comprises a cleaning device for cleaning the peripheral surface of the roller by means of a cleaning agent.
  • the peripheral surface of the roller can be moistened by this cleaning device.
  • the coating device preferably further comprises a conveyor for workpieces, which is intended to tangentially or a small distance past a workpiece along a linear path on the peripheral surface of the roller, such that the coating agent from the peripheral surface to a strip-shaped workpiece surface to be coated is transferred and the latter is coated over its entire width with the coating agent.
  • the present invention further relates to a processing plant for workpieces, in particular for panels made of a wood material and / or plastic, comprising a coating device according to the above-described type, and arranged with respect to the conveying direction of the workpieces upstream of the coating device processing station for producing a strip-shaped workpiece surface, hereinafter is coated in the coating device with the coating agent.
  • the peripheral surface of the roller can in this case touch the strip-shaped workpiece surface, while the workpiece passes the roller.
  • the strip-shaped workpiece surface may have a flat cross-section.
  • the cross-sectional plane of the strip-shaped workpiece surface may in this case be substantially parallel to the axis of rotation of the roller.
  • Fig. 1 shows in the upper right part of a portion of an elongated workpiece 10, namely a floor panel, which is typically made of a wood material such as MDF or HDF.
  • the workpiece 10 can also be made of a different material or material mixture, in that respect the present invention is not bound thereto.
  • the invention is not bound to a specific type of workpiece, but it may be in the workpiece 10 in particular also be another component, such as a furniture panel or the like.
  • the workpiece 10 is at its in Fig. 1 left side edge 12 profiled for engagement in an adjacent and not shown here workpiece.
  • the profile 14 has a locking region, which is shown here only schematically and whose shape is not the subject of the present invention. In this respect, the profile 14 may be formed differently than shown here.
  • the useful side 16 of the workpiece 10, which represents the top of the panel in the laid position, lies in the in Fig. 1 shown arrangement below.
  • a chamfer 18 which represents a chamfered area of the workpiece surface between the useful side 16 and the profile 14.
  • This chamfer 18 is to be coated by the coating device according to the invention with a liquid coating agent which covers the chamfer 18 over its entire width.
  • the chamfer 18 extends over the entire length of the workpiece 10, wherein the longitudinal direction is perpendicular to the plane of the drawing and corresponds to a conveying direction of the workpiece 10 through the coating device.
  • the width of the chamfer 18 thus means an extension within the plane of the drawing, ie perpendicular to the longitudinal extension of the workpiece 10.
  • the liquid coating agent may be, for example, a varnish which is colored or transparent, or another type of transparent sealing of the chamfer 18. Further, the coating agent may also be another type of color or impregnation which at least partially penetrates into the surface of the chamfer 18.
  • the coating device 20 For application of the liquid coating agent to the chamfer 18, the coating device 20 according to the invention comprises a roller 22 which rotates about a roller axis 24 which is perpendicular to the conveying direction of the workpiece.
  • the roller 22 is driven by a non-illustrated rotary drive for rotation.
  • a radially outer peripheral surface 26 of the roller 22 is formed by the outside of an O-ring 28 which rests on the roller 22 outside and this rotates.
  • the O-ring 28 will be in a groove 30 with a semicircular cross-section in the outer side 32 of the reel body held.
  • the circumferential surface 26 of the roller 22 thus has a curved cross-sectional area in the cross-sectional plane corresponding to the plane of the drawing and in which the roller axis 24 lies, which follows a circular arc shape.
  • the O-ring 28 is made of an elastic material such as rubber or plastic.
  • the O-ring 28 can thus be compressed in the radial direction and press towards the roller axis 24 in the groove 30.
  • FIG. 2 In the enlarged view in Fig. 2 is only the curved cross-sectional area of the peripheral surface 26 of the roller 22 can be seen, which is formed by the radially outer side of the O-ring 28.
  • the representations in the FIGS. 2 and 3 are not to scale with respect to the proportions of the illustrated parts, but are merely illustrative of the principles of the invention.
  • the peripheral surface 26 abuts without any gap on the flat surface of the chamfer 18 and is in direct contact with this.
  • the contact point 34 between the peripheral surface 26 and the chamfer 18 is for in Fig. 2 offset the upper left edge 36 of the chamfer 18. It coincides with the outer apex of the curvature of the circumferential surface 26.
  • the liquid coating agent On the peripheral surface 26, the liquid coating agent by means of a in the Fig. 1 and 2 Not shown applicator applied, such as a nozzle which is arranged close to the peripheral surface 26 at a peripheral point, which is arranged with respect to the direction of rotation of the roller 22 upstream of the contact point 34. Due to the centrifugal force, which occurs due to the rotation of the roller 22 about its axis 24, the liquid coating agent collects during rotation preferably in the region of the apex of the curvature of the peripheral surface 26, that at the point which has the maximum distance to the roller axis 24. On contact with the chamfer 18, the in Fig. 2 is shown, the coating agent is transferred to the chamfer 18.
  • the liquid coating agent Due to capillarity of the liquid coating agent, it wets the latter across its entire width between its edges 36 and 38 during or after transfer to bevel 18. Thus, no contact is required between peripheral surface 26 of roll 22 and chamfer 18 across its entire width. to ensure a complete coating of the chamfer 18. Rather, this is a contact at the apex 34 of the curvature of the peripheral surface 26 of the roller 22 is sufficient.
  • the chamfer 18 does not have to extend exactly parallel to the axis of rotation 24 of the roller 22, but may also be inclined relative thereto.
  • the contact point 34 between the peripheral surface 26 of the roller 22 and the chamfer 18 need not coincide exactly with the apex 34 of the curvature of the cross section of the peripheral surface 26.
  • Fig. 3 shows a further embodiment of the present invention, in which between the peripheral surface 26 of the roller 22 and the chamfer 18, a small distance is present.
  • the size of this distance is a few microns.
  • the distance is smaller than the thickness of the film of the coating agent applied by the applicator to the peripheral surface 26 of the roller 22 prior to the maximum approach to the surface of the chamfer 18.
  • the film 40 of the coating composition which has formed at the outer vertex 34 of the peripheral surface 26, in contact with the chamfer 18 and spreads due to the capillarity or interfacial tension of the coating agent over the entire width of the chamfer 18 between its edges 36 and 38.
  • the chamfer 18 is thus completely wetted.
  • the distance between the peripheral surface 26 and the chamfer 18 is adjusted suitably to obtain a satisfactory coating result.
  • the distance can also be maintained during operation of the coating device 20 by suitable sensors and possibly corrected later.
  • the roller 22 and the workpiece 10 may run at different feed rates, ie, a difference may occur between the speed of movement of the peripheral surface 26 of the roller 22 and the linear path velocity of the chamfer 18 along the conveyor path of the workpiece 10.
  • Fig. 4 the axis of rotation 24 of the roller 22 is perpendicular to the plane of the drawing, while the conveying direction A of the workpiece 10 runs from right to left, that is parallel to the plane of the drawing and is perpendicular to the axis of rotation 24.
  • the conveyor track 44 of the workpiece 10 is here tangent to the peripheral surface 26 of the roller 22, according to the embodiment in FIG Fig. 2 , Alternatively, there may be a small clearance between the peripheral surface 26 and the workpiece 10, as in FIG Fig. 3 shown.
  • the direction of rotation of the roller 22 is in Fig. 4 marked with an arrow B, ie the roller 22 rotates counterclockwise.
  • the plane of the cross sections, in Fig. 1 . 2 and 3 are shown in Fig. 4 for better understanding, marked as a vertical dashed line CC.
  • a nozzle 46 is arranged close to the peripheral surface 26 of the roller 22, with respect to the direction of rotation B upstream of the contact point 34 between the peripheral surface 26 and the chamfer 18th
  • the coating agent applied by the nozzle 46 is thus transported in the direction of rotation B on the peripheral surface 26 until the contact point 34 is reached. Between the nozzle 46 and the contact point 34 thus forms a coating agent film.
  • a cleaning device 50 for cleaning the peripheral surface 26 of the roller 22 by means of a liquid cleaning agent is also arranged.
  • the peripheral surface 26 is cleaned, before again by the nozzle 46, a film of the coating agent can be applied to the peripheral surface 26, as described above.
  • Fig. 4 not shown is the conveyor for the workpiece 10, which is intended to pass the workpiece 10 along its linear path 44 tangentially or at a small distance on the peripheral surface 26 of the roller 22, so that the coating agent transferred in the manner described above on the workpiece surface becomes.
  • the coating apparatus 20 shown in the embodiments described above may be part of a processing plant for workpieces with several stations, as are customary for the production of panels of wood materials and / or plastics.
  • a processing station arranged upstream of the coating device 20 shown here is used in particular for producing a strip-shaped workpiece surface, namely in the preceding exemplary embodiments the chamfer 18, which is subsequently coated in the present coating device 20 with the coating agent.
  • the above-described coating method by means of a roller 22 whose circumferential surface 26 has a curved cross-sectional area is particularly suitable for coating strip-shaped workpiece surfaces with a relatively small width of the order of a few millimeters, as is the case with the chamfers 18 of floor panels.
  • the surface to be coated need not be adapted to the cross-sectional shape of the peripheral surface 26 of the roller 22, but rather the capillarity of the coating agent is exploited to completely wet the surface of the workpiece 10 to be coated over the entire width of the strip.
  • the strip-shaped workpiece surface to be coated, in particular the chamfer 18, may have a flat cross-section.
  • nozzle 46 is shown on the roller 22. It is arranged to apply the coating agent close to the peripheral surface 46 of the roller 22.
  • a supply line 52 to the nozzle is from a directional control valve 54 which can be controlled electronically.
  • Various branch lines 56, 58, 60, 62 connect the directional control valve 54 to various containers 64, 66, 68 for different coating means, as well as a rinse liquid container 70, such as water.
  • each of the containers 64, 66, 68, 70 can be connected to the supply line 52 by a corresponding circuit of the directional control valve 54, so that the nozzle 46 is fed by the corresponding container 64, 66, 68, 70.
  • the nozzle 46 is preferably purged by the rinse liquid contained in the container 70.
  • the peripheral surface 26 of the roller 22 is rinsed, in addition to cleaning by means of the cleaning device 50 from Fig. 4 ,
  • the arrangement of the containers 64, 66, 68, 70 in Fig. 5 also makes it easier to change from one container to another. If a container is empty, it can be switched by the directional control valve 54 to any other container. It may therefore also be useful to use different containers 64, 66, 68 with similar coating agents. If the currently in use container emptied, can be easily switched to a full container, which is connected to another branch line 56, 58, 60, 62.

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  • Coating Apparatus (AREA)
EP16181871.1A 2015-08-06 2016-07-29 Dispositif de revetement destine a appliquer un agent de revetement liquide sur une piece usinee allongee Withdrawn EP3127617A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202015104113.6U DE202015104113U1 (de) 2015-08-06 2015-08-06 Beschichtungsvorrichtung zum Auftrag eines flüssigen Beschichtungsmittels auf ein langgestrecktes Werkstück

Publications (1)

Publication Number Publication Date
EP3127617A1 true EP3127617A1 (fr) 2017-02-08

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP16181871.1A Withdrawn EP3127617A1 (fr) 2015-08-06 2016-07-29 Dispositif de revetement destine a appliquer un agent de revetement liquide sur une piece usinee allongee

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EP (1) EP3127617A1 (fr)
DE (1) DE202015104113U1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023242298A1 (fr) * 2022-06-15 2023-12-21 Josef Schiele Dispositif d'application, dispositif de production pour fabriquer des produits au moins partiellement revêtus et/ou imprégnés et procédé pour nettoyer une unité d'application pour des agents de revêtement ou d'imprégnation, au moyen d'une unité de nettoyage

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4788932A (en) * 1986-02-25 1988-12-06 Deutsche Forschungs- und Versuchanstalt fur Luft- und Raumfahrt e.V. Device for coating the groove of a ball bearing with a powder-type solid lubricating material
DE9318650U1 (de) * 1993-12-06 1995-02-16 Anton Heggenstaller AG, 86556 Kühbach Auftragevorrichtung für die Beschichtung mit Lack o.dgl.
US5772762A (en) * 1995-05-22 1998-06-30 Firma Theodor Hymmen Apparatus for application of coating color on a profiled edge or on a straight edge area of a workpiece
EP1228812A1 (fr) * 2001-01-31 2002-08-07 Rockwool International A/S Procédé et dispositif d'application de revêtement sur les bords de panneaux en fibre minérale
WO2006038867A1 (fr) * 2004-10-05 2006-04-13 Välinge Innovation AB Dispositif et procede servant a revetir une surface d'ebauche mince et une planche par un revetement liquide
WO2010063315A1 (fr) * 2008-12-03 2010-06-10 Spanolux N.V.- Div. Balterio Appareil permettant de revêtir une partie bord d'un panneau

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4317657C1 (de) * 1993-05-27 1994-07-14 Voith Gmbh J M Streicheinrichtung zur Beschichtung laufender Warenbahnen
DE69300103T2 (de) * 1993-12-16 1995-11-02 Tabac Fab Reunies Sa Vorrichtung zum Beleimen einer Papierbahn.
DE20311665U1 (de) * 2003-07-28 2003-10-02 Robert Bürkle GmbH, 72250 Freudenstadt Vorrichtung zum Aufbringen von Lack auf plattenförmige Werkstücke

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4788932A (en) * 1986-02-25 1988-12-06 Deutsche Forschungs- und Versuchanstalt fur Luft- und Raumfahrt e.V. Device for coating the groove of a ball bearing with a powder-type solid lubricating material
DE9318650U1 (de) * 1993-12-06 1995-02-16 Anton Heggenstaller AG, 86556 Kühbach Auftragevorrichtung für die Beschichtung mit Lack o.dgl.
US5772762A (en) * 1995-05-22 1998-06-30 Firma Theodor Hymmen Apparatus for application of coating color on a profiled edge or on a straight edge area of a workpiece
EP1228812A1 (fr) * 2001-01-31 2002-08-07 Rockwool International A/S Procédé et dispositif d'application de revêtement sur les bords de panneaux en fibre minérale
WO2006038867A1 (fr) * 2004-10-05 2006-04-13 Välinge Innovation AB Dispositif et procede servant a revetir une surface d'ebauche mince et une planche par un revetement liquide
WO2010063315A1 (fr) * 2008-12-03 2010-06-10 Spanolux N.V.- Div. Balterio Appareil permettant de revêtir une partie bord d'un panneau

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023242298A1 (fr) * 2022-06-15 2023-12-21 Josef Schiele Dispositif d'application, dispositif de production pour fabriquer des produits au moins partiellement revêtus et/ou imprégnés et procédé pour nettoyer une unité d'application pour des agents de revêtement ou d'imprégnation, au moyen d'une unité de nettoyage

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