WO2004037444A1 - Procede et dispositif pour appliquer des materiaux coulants sur des substrats - Google Patents

Procede et dispositif pour appliquer des materiaux coulants sur des substrats Download PDF

Info

Publication number
WO2004037444A1
WO2004037444A1 PCT/EP2003/011434 EP0311434W WO2004037444A1 WO 2004037444 A1 WO2004037444 A1 WO 2004037444A1 EP 0311434 W EP0311434 W EP 0311434W WO 2004037444 A1 WO2004037444 A1 WO 2004037444A1
Authority
WO
WIPO (PCT)
Prior art keywords
substrate
strip
dispensed
electrodes
electrode
Prior art date
Application number
PCT/EP2003/011434
Other languages
German (de)
English (en)
Inventor
Jürgen Steckelberg
Gerd Ostermann
Gerd Brockmann
Original Assignee
Nordson Corporation
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 Nordson Corporation filed Critical Nordson Corporation
Priority to AU2003276109A priority Critical patent/AU2003276109A1/en
Publication of WO2004037444A1 publication Critical patent/WO2004037444A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B5/00—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
    • B05B5/08—Plant for applying liquids or other fluent materials to objects
    • B05B5/14—Plant for applying liquids or other fluent materials to objects specially adapted for coating continuously moving elongated bodies, e.g. wires, strips, pipes
    • 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
    • B05C5/005—Curtain coaters
    • 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
    • B05D1/265—Extrusion coatings
    • 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
    • B05D3/14—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 electrical means
    • 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
    • B05D1/002—Processes for applying liquids or other fluent materials the substrate being rotated

Definitions

  • the present invention relates to a method and a device for applying flowable .Material on a movable substrate, in which the flowable. Material is dispensed by means of a fluid dispenser through a slot nozzle in the form of a strip or a film and then deposited on the substrate moved relative to the fluid dispenser with a desired width perpendicular to the direction of movement of the substrate.
  • the invention further relates to a method and a device for applying flowable material to a movable substrate, in which flowable material is deposited by means of a fluid delivery device onto a substrate which is moved relative to the fluid delivery device.
  • flowable materials fluids
  • the flowable materials can be, for example, adhesives, lacquers, sealing materials and the substrates can be hygiene articles, plastic films, furniture or machine parts or the like.
  • the flowable materials can be released in the form of beads, strips or foils.
  • the fluid delivery devices are connected to a fluid source, for example an adhesive container, and the fluid is conveyed to a nozzle with a circular or slit-shaped outlet opening with the aid of a pump with the interposition of so-called application valves.
  • a fluid source for example an adhesive container
  • the fluid is conveyed to a nozzle with a circular or slit-shaped outlet opening with the aid of a pump with the interposition of so-called application valves.
  • a fluid source for example an adhesive container
  • a substantially flat application using a slot nozzle with an elongated outlet opening is often required.
  • the flowable material is dispensed in the form of a strip or a film from the fluid dispenser and then deposited on a substrate that is moved relative to the fluid dispenser.
  • air pockets for example in the form of air bubbles, form between the substrate and the film or the film deposited thereon.
  • Such ' air pockets are undesirable because overall they lead to an uneven, uneven coating and can also burst.
  • even with very high application speeds, ie relative speeds between the substrate to be coated and the fluid dispensing device such difficulties can increase and only inadequate coating results can be achieved.
  • Another difficulty relates to the connection or adhesion between the substrate, more precisely its surface and the coating material.
  • pressure rollers used rollers in the manufacture of a coating or, for example, the ' mechanically press on a coating applied to the substrate.
  • Such mechanical pressing is only possible if there is no gluing between the pressing roller and the applied coating material, ie only if the applied coating material is already sufficiently firm or hardened; otherwise, such mechanical pressing cannot be carried out immediately after the application, which complicates the application process.
  • the object of the invention is to provide an application method and an application device with which film-like or strip-like coatings can be produced on substrates.
  • very thin, film-like coatings should be able to be produced as far as possible without air pockets between the film and the substrate.
  • Another object according to a second aspect of the invention is to provide a method and a device with which a reliable connection between coating material and substrate is achieved.
  • the possibility is to be created of being able to establish a secure connection between a coating material that is not yet fully cured and possibly still liquid and a substrate.
  • the invention achieves this object according to the first aspect by a method of the type mentioned at the outset, in which the strip-shaped or sheet-like material emitted by the fluid dispensing device essentially before and / or during deposition on the substrate by means of an electrostatic field generator A force acting in the direction of the substrate is applied across the entire width of the electrostatic field acting as a strip or film.
  • the invention also achieves the object in a device of the type mentioned at the outset by an electric field generator for generating a electrical, preferably electrostatic field, wherein at least one electrode of the field generator is arranged adjacent to the fluid dispensing device, so that the dispensed material is pressed in the direction of the substrate.
  • the advantages of the invention are that by introducing a dispensed strip or in particular a thin film of flowable material into an electrical, preferably electrostatic field, the strip or the film is pressed onto the substrate.
  • an electrical, preferably electrostatic field the strip or the film is pressed onto the substrate.
  • very thin foils or films are applied to substrates, such as those that are smaller than 20 ⁇ m, air pockets between the foil and substrate are largely prevented due to the pressing force generated by the electrostatic field.
  • exposure to a thin, released film in an electrostatic field can prevent undesirable “floating effects” of the film on an air layer.
  • the air that is present between the film and the substrate is supported by the effect of the electrostatic field , pressed out of this intermediate space and the strip or film-shaped coating material is pressed onto the substrate.
  • a disadvantageous mechanical pressing process with a roller can be prevented according to the invention.
  • extremely thin films can be controlled and securely applied Substrates are deposited in order to produce an extremely thin coating or laminated products.
  • the thickness of the films or films that can be produced according to the invention can be significantly less than 20 ⁇ m. where there is no contact between the fluid delivery device (often also referred to as the application head) and the substrate, heat-sensitive substrates can be coated which must not come into contact with a hot application head. This is particularly the case in the manufacture of hygiene products, where thin substrate foils that are sensitive to heat have to be coated.
  • the electrostatic field is designed such that its field lines are substantially perpendicular to that through which dispensed strip or film-shaped material defined level.
  • one or more electrodes of the electrostatic field generator extend or extend essentially over the entire width of the strip-shaped or foil-shaped material that is emitted.
  • the submitted, not yet filed. Film pressed very evenly over the entire width of the application in the direction of the substrate, and air pockets can be avoided particularly reliably.
  • the dispensed strip or folienformige material is influenced by means of one of a plurality of substantially across the entire width of the material being dispensed • extending elongated electrodes, preferably electrode needles field generated. By using such electrode needles, the forces caused by the electric field can be locally increased and at the same time a uniform contact pressure can be achieved.
  • the material be deposited on a substrate guided by means of a support roller or a support element.
  • the support roller or the support element is expediently arranged in relation to the substrate opposite the electrode or electrodes of the field generator. Particularly large forces can be achieved if the support roller or the support element is grounded.
  • the strip- or film-shaped material and the substrate preferably at an acute angle to one another.
  • the object is achieved in that the material after being deposited on the substrate. is influenced by means of an electric field generated by a field generator.
  • the object is further achieved by a device of the type mentioned at the beginning by an electrical field generator for generating an electrical, preferably electrostatic, field, at least one electrode of the field generator being arranged adjacent to the fluid dispensing device, so that the dispensed material is directed towards the Substrate is pressed.
  • an electrical, preferably electrostatic, field is used for the first time in order to influence (already) deposited material on a substrate.
  • the electric field is used according to the invention to press the deposited material onto the substrate, so that the adhesion of the material to the substrate is improved.
  • the device according to the invention serves the same purpose.
  • the material deposited on the substrate is still at least partially in the flowable state, so that it can change its shape due to the exposure to the electric field, in particular on the substrate.
  • trained depressions or openings can be pressed.
  • the flowable material can be pressed on due to the electric field - in addition to any gravitational forces.
  • mechanical clinging is achieved to a certain extent if the material penetrates into depressions or openings.
  • a plurality of electrodes of an electric field generator are used, which can be connected in series in relation to the direction of movement of the substrate in order to influence the material one after the other.
  • a number of electrodes can be arranged next to one another transversely to the direction of movement of the substrate, and either a uniform pressing of the material or a different pressing relative to the respective electrode location can be carried out.
  • the electrodes according to the invention for pressing the material onto the substrate are preferably arranged opposite a base, for example an earthed roller, so that the substrate is supported.
  • Figure 1 is a schematic view of an inventive
  • FIG. 2 shows an alternative exemplary embodiment of a device according to the invention for applying flowable material, in particular for pressing deposited material onto a substrate;
  • Figure 3 shows an alternative embodiment of a device similar to Figure 2;
  • Figure 4 shows a further alternative embodiment of a device similar to Figure 2; 5 shows an embodiment of a fluid delivery device with a slit nozzle for producing a film, which is exposed according to the invention 'to an electric field.
  • FIG. 6 shows the device according to FIG. 5 in a further view
  • FIG. 7 shows a schematic illustration of an electrode with a multiplicity of needle-like electrode elements which are connected in series
  • FIG. 1 The exemplary embodiment shown schematically in FIG. 1 is a device for applying flowable adhesive material to a flexible substrate 4 in the form of a flat web, for example a solid plastic film.
  • a fluid dispensing device 1, also referred to as application head 1 has a slot nozzle with a slot-shaped nozzle opening 3, from which a thin strip or a very thin film of flowable material is dispensed.
  • Such an application head 1 with a slot nozzle is explained in more detail below with reference to FIGS. 5 and 6.
  • the application head 1 is held stationary on a support structure, not shown, in the exemplary embodiment in such a position that the dispensed film 2, formed from flowable hot-melt adhesive (hot-melt), is inclined with respect to a vertical by approximately 60 ° and thus inclined with respect to a horizontal plane exits at an angle of 30 ° downwards.
  • the released material 2 is then deposited in the form of a completely or at least partially still liquid film on the likewise film-like substrate 4 at a contact point K. It comes into contact with the substrate 4 in the region of the outer surface of a support roller 6, which is rotatably mounted about an axis of rotation 8, and is then moved together with the latter in a substantially horizontal plane in the direction of the arrow 10.
  • the substrate 4 is transported in the direction of the arrow 10 by means of suitable conveying means.
  • the product produced according to the invention consisting of substrate 4 and material film 2
  • the released film 2 is relatively thin with a thickness of less than 20 ⁇ m.
  • the Support roller 6 is made of aluminum and is grounded by an electrical line 12.
  • the output from the fluid-Abgabevorrichiung 1 is substantially even fluid material film 2 has between the slot-shaped outlet opening 3 and the contact point K on a 'is at least partially slightly curved trajectory, as Figure 1 illustrates schematically.
  • the device according to the invention has an electrical, in the exemplary embodiment electrostatic, field generator 14 and at least one electrode 16 coupled to it, so that an electrical, preferably electrostatic, field E is formed starting from the electrode 16.
  • the electric field lines ' are shown schematically by the arrows 17.
  • An electrical voltage of between 30-50, preferably 30 KV (kilovolts) is applied to the electrode 16.
  • the design of the electrode 16 is explained in more detail with reference to FIG. 7 below.
  • the spacing of the electrode 16 is to the path of movement of the material 2 and the support roller 6 'variable.
  • a supporting structure for the electrode 16, which is no longer shown, is used for this purpose.
  • the distance between the electrode 16 and the path of movement of the material 2 is approximately 3-5 mm.
  • the distance from the slot opening and contact point K is approximately between 5 and 15 mm.
  • a voltage with preferably negative polarity is applied to the electrode 16.
  • the electrode 16 has a multiplicity of individual electrode elements in the form of electrode needles 18 which are spaced apart in a row with equal distances of approximately 5 mm.
  • the series is perpendicular to the, direction of movement of, material 2 (see Figure 1), and the electrode 16 or the needles 18 extend over the entire application width of the dispensed material 2 or even about the entire width of the delivered material 2 out to Avoid edge effects.
  • the individual needles 18 are mechanically fastened to an electrical conductor (not shown in any more detail) and can be supplied with electrical voltage by means of the field generator 14 through the line 20 shown schematically in FIG. 1, which runs in a protective sleeve 22 shown in FIG. 7 , The method according to the invention for applying flowable material is described with reference to FIG.
  • FIGS. 2-4 show alternative exemplary embodiments of devices and methods according to the invention, with which in particular the connection and adhesion between a material deposited on a substrate 4 is improved by means of an electrostatic field E.
  • the devices shown in FIGS. 2-4 can be connected downstream of a device according to FIG. 1.
  • a difference between the device shown in FIG. 1 and the devices according to FIGS. 2-4 is that in FIG. 1 the flowable material 2 at least essentially before being deposited on the substrate 4 by means of an electrostatic field in the direction of the substrate 4 is pressed, while in the devices according to FIGS.
  • a material preferably a flowable material
  • a material has already been completely deposited on the substrate 4 and is then influenced in the applied state by means of an electric field, more precisely pressed onto the substrate 4.
  • any fluid delivery device 1 for the previous application of material to the substrate 4 is shown schematically.
  • the device shown in FIG. 2 has an electric field generator 14 and an electrode 16 connected to it via a line 20, which is adjacent to the movement path of the substrate 4 on which the material has been deposited in a manner not shown. is arranged so that the electric field E is formed between the electrode 16 and the substrate 4 in the region of a support roller 6 which supports and deflects the substrate 4.
  • the support roller 6 is rotatably arranged about an axis of rotation 8.
  • the electrode 16 is preferably designed in the same way as the electrode 16 previously described with reference to FIGS. 1 and 7. In this respect, reference is made in full to the above descriptions. The same applies to the field generator 14.
  • the method according to the invention for applying or pressing material 2 is in addition to the above descriptions of the invention as follows:
  • the electric field E creates a force on the deposited material -2, schematically indicated in FIG. 2, which forces the material in the direction of the Presses substrate 4.
  • the material 2 is flowable, it is possibly flattened somewhat and pressed into depressions, openings, pores or internal channels or the like which may be formed in the substrate 4 due to the electric field E. This results in improved adhesion, possibly Clamping between the material 2 and the substrate 4.
  • the substrate 4 is then transported with the material 2 in the direction of the arrow 10. If necessary, the material continues to harden on the substrate.
  • the exemplary embodiment of a device according to the invention shown in FIG. 3 for influencing material 2 deposited on a substrate 4 differs from the device described previously in FIG. 2 ' in that a plurality of electrodes 16a, 16b and 16c are adjacent to the path of movement of the substrate 4 with applied material 2 are arranged.
  • the three electrodes 16a, 16b, 16c are evenly spaced around the outer periphery of the support roller 6 and each have the same distance from the outer surface of the support roller 6. The distances to the support roller 6, but also to one another, could, however, be varied.
  • the electrodes 16a, 16b, 16c are thus connected in series in the direction of movement of the substrate 4.
  • Each individual electrode 16a, 16b, 16c is preferably designed like the electrode 16 shown in FIG.
  • the alternative exemplary embodiment shown in FIG. 4 differs from the one shown in FIG. 3 in that three high-voltage electrodes 16a, 16b, 16c are designed to be evenly spaced one behind the other in relation to the relative direction of movement of the substrate 4 (see arrow 10).
  • the electrodes 16a, 16b, 16c are also arranged at the same distance from the substrate 4, which has previously been coated with a material 2 in a manner not shown, for example with a fluid application device 1, which is shown in FIGS. 1 and 5 and 6 ,
  • an electric field E is generated by means of an electric field generator 14 in addition to the electrodes 16a, 16b, 16c, which ensures a contact pressure which presses the material 2 in the direction of the substrate 4.
  • the electrodes 16a, 16b, 16c lie opposite an earthed support element 9, which has an essentially flat surface, along which the substrate 4 is guided.
  • the electrodes 16a, 16b, 16c are likewise designed like the electrode 16 shown in FIG. 7.
  • a plurality of electrode needles 18 are arranged in a row which runs perpendicular to the direction of movement 10 of the substrate 4.
  • a high voltage of between 30 and 60 KV with negative polarity is present at the electrodes 15.
  • the parameters influencing the electric field 4 can be varied depending on the application.
  • the voltage applied to the electrodes 16 can vary , the polarity can be changed, the distances between electrodes 16 and substrate 4 and the distances between the electrode needles 18 and the distances between the electrodes 16a, 16b, 16c can be modified depending on the application.
  • FIGS. 5 and 6 An exemplary embodiment of a fluid delivery device 1 is described below with reference to FIGS. 5 and 6.
  • the device 1 can be used in the application examples shown to produce a strip or a film.
  • the application device 1 is generally used to apply flowable materials (fluids) to substrates and is adapted to dispensing and applying flowable thermoplastic adhesives in the form of foils to different substrates such as fabric, foil, paper or the like.
  • the application device 1 essentially comprises a two-part, metallic base body 52, which consists of an upper part body 54 and a lower part body 56, a slot nozzle arrangement 58 designed as a wide slot nozzle and part of the base body 52 and a plurality of valve arrangements 510 (cf. also figure) for optionally interrupting or releasing the flow of the fluid.
  • the valve arrangements 510 can be actuated pneumatically with compressed air and are also referred to as control parts or control modules.
  • a fluid supply channel 512 (FIG. 5) is formed in the lower part body 56 of the base body 52 and is connected by means of a connection 514 in a manner not shown to a fluid source in the form of an adhesive-receiving container.
  • two feed channels 512 (see FIG. 6) are provided and are fed by means of gear pumps (not shown).
  • the feed channel 512 has a plurality of sections, namely a first oblique bore 516, a bore .518, a channel 520 formed in the body 54, and in each case one oblique bore 22 communicating with the channel 520.
  • the oblique bore 522 opens into a bore 524 formed in the partial body 54, into which a lower section of each valve arrangement 510 is inserted.
  • the feed channel 512 has further sections, namely one in the upper side, which communicates with the bore 524, the bore 526 (FIG. 5), a plurality of communicates with this of the partial body 56 formed U-shaped channels and one with the. End sections of the legs of the U channels communicating in cross section substantially semicircular distribution channel 530 ' .
  • An outlet channel 532 of the nozzle arrangement 58 then adjoins the transverse distribution channel 530.
  • the outlet channel 532 is slot-shaped and has an elongated outlet opening 34 (cf. FIGS. 1) through which the material is released in the form of a film or a film and then applied to a substrate 4.
  • the elongated slot-like outlet opening 34 extends perpendicular to the plane of the drawing in FIG.
  • the transverse distribution channel 530 is laterally limited and sealed by side flaps 538, to which sealing elements made of plastic, preferably PTFE (tetrafluoroethylene), are fastened by means of screws 40.
  • the base body 52 is laterally closed by opposing metallic plates 542 which are fastened by means of screws 544.
  • the lower section of the valve arrangement 510 connected to the supply line 512 which is designed in the manner of a control part, is inserted into the bore 524 of the main body 52 and only the upper section protrudes from the main body 52.
  • the valve arrangement 510 has a valve body 552 which can be moved together with a valve needle or rod 550 and which cooperates with a valve seat 554 formed on the body 54 of the base body 52 in such a way that the fluid flow into the supply channel 512 and thus through the entire application device 1 and in particular by. the outlet opening 34 can optionally be interrupted or released.
  • the valve body 552 together with the valve rod 550 is moved axially up or down by means of a piston 556, which is sealed in the bore 524.
  • the piston 556 is a cylinder chamber permanently pressurized with compressed air, which can be pressurized with compressed air by means of a compressed air connection line 558 (FIG. 6) and channels formed in the valve arrangement 510, around the piston 556 and the valve body 552 in its To press the closed position.

Landscapes

  • Coating Apparatus (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)

Abstract

L'invention concerne un procédé et un dispositif permettant d'appliquer un matériau coulant sur un substrat (4) mobile. Selon ledit procédé, le matériau coulant est délivré au moyen d'un dispositif de décharge de fluide (1), à travers une buse à fente (4), sous la forme d'une bande ou d'un film (2), puis est déposé sur le substrat déplacé par rapport au dispositif de décharge de fluide, perpendiculairement au sens de mouvement (10) dudit substrat, avec une largeur voulue. Selon l'invention, le matériau sous forme de bande ou de film délivré par le dispositif de décharge de fluide est sollicité par une force s'exerçant en direction du substrat, avant et/ou pendant le dépôt sur le substrat au moyen d'un champ électrostatique produit par un générateur de champ électrostatique (14), sensiblement sur toute la largeur du matériau sous forme de bande ou de film.
PCT/EP2003/011434 2002-10-21 2003-10-15 Procede et dispositif pour appliquer des materiaux coulants sur des substrats WO2004037444A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2003276109A AU2003276109A1 (en) 2002-10-21 2003-10-15 Method and device for applying flowable materials to substrates

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10249080.5 2002-10-21
DE2002149080 DE10249080A1 (de) 2002-10-21 2002-10-21 Verfahren und Vorrichtung zum Auftragen von fließfähigen Materialen auf Substrate

Publications (1)

Publication Number Publication Date
WO2004037444A1 true WO2004037444A1 (fr) 2004-05-06

Family

ID=32049525

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2003/011434 WO2004037444A1 (fr) 2002-10-21 2003-10-15 Procede et dispositif pour appliquer des materiaux coulants sur des substrats

Country Status (3)

Country Link
AU (1) AU2003276109A1 (fr)
DE (1) DE10249080A1 (fr)
WO (1) WO2004037444A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014102185A1 (de) * 2014-02-20 2015-08-20 Shikhnabel S. Nabiev Vorrichtung zum Auftragen von Stofffolien auf verschiedene Unterlagen
DE102018101801A1 (de) * 2018-01-26 2019-08-01 Scheugenpflug Ag Verfahren zum flächigen, lückenlosen Auftragen eines viskosen Substrates auf einer Platte
DE102020123740A1 (de) * 2020-09-11 2022-03-17 Speira Gmbh Verfahren und Vorrichtung zur elektrostatischen Beschichtung von Metallbändern

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3196063A (en) * 1962-03-28 1965-07-20 Int Paper Co Coated paper and method of producing the same
EP0285794A1 (fr) * 1987-04-01 1988-10-12 Polaroid Corporation Méthode et appareil pour appliquer des couches ultra-minces sur un substrat
US5688563A (en) * 1994-09-22 1997-11-18 Minnesota Mining And Manufacturing Company Electrostatic system for controlling the flow of a fluid after being coated onto a substrate
EP0919288A2 (fr) * 1997-11-25 1999-06-02 Nordson Corporation Dispositif et procédé d'application par voie électrostatique
US20020058105A1 (en) * 2000-04-06 2002-05-16 Louks John W Electrostatically assisted coating method with focused web-borne charges

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3196063A (en) * 1962-03-28 1965-07-20 Int Paper Co Coated paper and method of producing the same
EP0285794A1 (fr) * 1987-04-01 1988-10-12 Polaroid Corporation Méthode et appareil pour appliquer des couches ultra-minces sur un substrat
US5688563A (en) * 1994-09-22 1997-11-18 Minnesota Mining And Manufacturing Company Electrostatic system for controlling the flow of a fluid after being coated onto a substrate
EP0919288A2 (fr) * 1997-11-25 1999-06-02 Nordson Corporation Dispositif et procédé d'application par voie électrostatique
US20020058105A1 (en) * 2000-04-06 2002-05-16 Louks John W Electrostatically assisted coating method with focused web-borne charges

Also Published As

Publication number Publication date
DE10249080A1 (de) 2004-04-29
AU2003276109A1 (en) 2004-05-13

Similar Documents

Publication Publication Date Title
EP0003790B1 (fr) Dispositif pour enduire une feuille en mouvement
DE3721593C2 (fr)
DE29622341U1 (de) Vorrichtung zum Auftragen von fließfähigem Material auf ein Substrat, insbesondere zum intermittierenden Auftragen von flüssigem Klebstoff
DE2557551B1 (de) Verfahren und vorrichtung zum auftragen von fluessigkeiten, insbesondere von fluessigen klebstoffen auf bahnfoermiges material
EP0369441B1 (fr) Dispositif de revêtement pour bande
EP0523589B1 (fr) Application sans contact de points de colle
EP2225046A1 (fr) Dispositif de revêtement
DE19722117A1 (de) Beschichtung poröser Träger
WO2004037444A1 (fr) Procede et dispositif pour appliquer des materiaux coulants sur des substrats
EP2213475A2 (fr) Dispositif d'estampage et procédé
EP3680024B1 (fr) Module d'application d'un milieu visqueux à une surface et procédé de fabrication de module
EP1566225A2 (fr) Dispositif de collage de deux surfaces de substrats de manière esthétique
DE10119633A1 (de) Vorrichtung und Verfahren zum Abgeben von Fluid auf ein relativ zu der Vorrichtung bewegbares Substrat
EP0056067B1 (fr) Dispositif pour appliquer une couche mince d'une substance d'enduction sur une bande de matériau en mouvement
EP2117841A1 (fr) Procédé et dispositif de stratification afin d'appliquer un film d'une composition d'adhésif sur un substrat en forme de bande
DE102007032401B4 (de) Schlauchbildungseinrichtung zum Bilden eines Schlauches aus zumindest einer Materialbahn
EP1669138B1 (fr) Appareil pour l'application de produits fluides
DE102022126297A1 (de) Vorrichtung und Verfahren zum Beschichten eines zylindrischen Körpers mit einem Polymer
EP3381571B1 (fr) Buse a fente
DE3523650C2 (fr)
DE10331145A1 (de) Vorrichtung zum direkten oder indirekten Auftragen von flüssigen bis pastösen Suspensionen auf Papier- oder Kartonbahnen
DE102022126298A1 (de) Vorrichtung und Verfahren zum Auftragen und Aushärten einer Polymerschicht auf einem zylindrischen Körper
EP2098470A1 (fr) Dispositif d'enroulement destiné à enrouler un matériau en forme de bande
DE29905090U1 (de) Vorrichtung zum Auftragen eines Klebers auf eine Ummantelungsfolie
DE29621269U1 (de) Doppel-Lackierwerk mit Bahnbefeuchtung

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A1

Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE EG ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NI NO NZ OM PG PH PL PT RO RU SC SD SE SG SK SL SY TJ TM TN TR TT TZ UA UG US UZ VC VN YU ZA ZM ZW

AL Designated countries for regional patents

Kind code of ref document: A1

Designated state(s): GH GM KE LS MW MZ SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LU MC NL PT RO SE SI SK TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG

121 Ep: the epo has been informed by wipo that ep was designated in this application
DFPE Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101)
122 Ep: pct application non-entry in european phase
NENP Non-entry into the national phase

Ref country code: JP

WWW Wipo information: withdrawn in national office

Country of ref document: JP