EP1214154B1 - Procede et dispositif de fabrication d'une couche protectrice amovible pour des surfaces, en particulier des surfaces vernies de vehicules motorises - Google Patents

Procede et dispositif de fabrication d'une couche protectrice amovible pour des surfaces, en particulier des surfaces vernies de vehicules motorises Download PDF

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Publication number
EP1214154B1
EP1214154B1 EP00951295A EP00951295A EP1214154B1 EP 1214154 B1 EP1214154 B1 EP 1214154B1 EP 00951295 A EP00951295 A EP 00951295A EP 00951295 A EP00951295 A EP 00951295A EP 1214154 B1 EP1214154 B1 EP 1214154B1
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EP
European Patent Office
Prior art keywords
coating material
nozzle
protective layer
application nozzle
sprayed
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.)
Expired - Lifetime
Application number
EP00951295A
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German (de)
English (en)
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EP1214154A2 (fr
Inventor
Konrad Zimmermann
Klaus Peter Reinke
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.)
Nordson Corp
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Nordson Corp
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Filing date
Publication date
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Publication of EP1214154A2 publication Critical patent/EP1214154A2/fr
Application granted granted Critical
Publication of EP1214154B1 publication Critical patent/EP1214154B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
    • B05B9/03—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material
    • B05B9/04—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump
    • B05B9/0403—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump with pumps for liquids or other fluent material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
    • B05B12/08—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means
    • B05B12/082—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means responsive to a condition of the discharged jet or spray, e.g. to jet shape, spray pattern or droplet size
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
    • B05B9/03—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material
    • B05B9/04—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump
    • B05B9/0403—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump with pumps for liquids or other fluent material
    • B05B9/0423—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump with pumps for liquids or other fluent material for supplying liquid or other fluent material to several spraying apparatus
    • 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
    • B05D1/32—Processes for applying liquids or other fluent materials using means for protecting parts of a surface not to be coated, e.g. using stencils, resists
    • B05D1/322—Removable films used as masks
    • B05D1/325—Masking layer made of peelable film
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
    • B05B12/004—Arrangements for controlling delivery; Arrangements for controlling the spray area comprising sensors for monitoring the delivery, e.g. by displaying the sensed value or generating an alarm
    • B05B12/006—Pressure or flow rate sensors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
    • B05B12/02—Arrangements for controlling delivery; Arrangements for controlling the spray area for controlling time, or sequence, of delivery
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
    • B05B15/50—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter
    • B05B15/52—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter for removal of clogging particles

Definitions

  • the present invention relates to a method of making a peelable Protective layer for surfaces, in particular for painted surfaces of motor vehicle bodies, in which a liquid, curable coating material a spray nozzle is sprayed onto the surface to be protected and there one forms a flat, hardening protective layer.
  • the invention further relates to a device for producing a removable Protective layer for surfaces, in particular for painted surfaces of motor vehicle bodies, with one from a coating material source with liquid Coating material supplyable spray nozzle for spraying a liquid, curable coating material on the surface to be protected, the Spray nozzle and the surface are movable relative to each other.
  • the device primarily serves to produce a removable protective layer for painted surfaces of motor vehicles, in particular during the Transport from the vehicle manufacturer to delivery to the customer
  • the protective layer is accordingly applied by the manufacturer a liquid on the painted surface of a motor vehicle and then Hardening or solidifying the liquid. With the liquid can it is an aqueous dispersion, the water content during the Evaporation harden so that a kind of peelable film on the surface arises. The film produced in this way can then be delivered to the Motor vehicle buyers are deducted manually.
  • a major disadvantage of the known method is that Spray on the liquid coating material in the edge area of the sprayed Coating material no sharp contour can be generated, but individual particles or droplets arise in the edge area, which are isolated and detached from a coherent protective layer (overspray). This Formation of the protective layer in the form of individual particles ensures there after Do not cure for adequate protection of the paint and also leads to the fact that the hardened protective layer in the edge area is hardly picked up manually can be to pull it off. The individual particles must also go manually or otherwise removed in a labor intensive manner.
  • the object of the present invention is a method and Specify device of the type mentioned, with which a sharp contour Protective layer especially for motor vehicle bodies on simple Way can be made.
  • the invention solves this problem in a method of the type mentioned in that in the edge region of the coating material sprayed onto the surface one essentially as a continuous strand or strip of material coating material emerging from an application nozzle onto the coating material to be coated Surface is applied.
  • the invention also achieves the object in a device of the type mentioned Type by at least one application nozzle for applying a coating material essentially as a continuous strand or strip of material on the surface to be coated.
  • the method according to the invention and the device according to the performance enable the creation of a protective layer for surfaces that have a sharp contour side edge and thus has a defined size.
  • a continuous or largely continuous strand or strip of material is applied, creates a clean, contoured edge without individual particles or Harden droplets (overspray) on the surface.
  • the sharp contours Overspray-free edge can be easily gripped and manually after curing raised and the protective layer produced removed in a simple manner become.
  • a larger area is sprayed on Coating material coated while simultaneously or after Spraying in the area of the outer edge of the sprayed coating, in the individual sprayed liquid particles can be arranged individually, using a substantially continuous strand or strip of material generating application nozzle a sharp and overspray-free application will be produced.
  • the method provides that the protective layer sprayed on by means of the spray nozzle and the protective layer applied by means of the application nozzle consist of the same coating material and before curing on the Connect the surface to one another to form a single protective layer.
  • the in essential temperature-dependent viscosity of the coating material is chosen so that the sprayed with the spray nozzle and with the coating material applied to the application nozzle flow together and form a single layer. Connect the particles sprayed on in the edge area completely with the as a substantially continuous strand of material or -strip applied coating material.
  • the protective layer sprayed on by means of the spray nozzle and that by means of the Application layer applied protective layer have such a thickness that a fully cured in the hardened state, essentially water, gas and dust-proof and manually removable protective layer is formed.
  • a such protective layer is liquid-repellent, but usually does not dissolve through contact with water and ensures reliable transport protection.
  • a particularly preferred alternative embodiment of the invention is characterized in that the coating material is a flat, material strips widening with increasing distance from the application nozzle emerges from the application nozzle.
  • a flat strip of material can be defined in the edge area of the previously or simultaneously sprayed coating on the Surface.
  • the protective layer can be there manually picked up and peeled off without the protective layer would tear down.
  • a slot nozzle or a special one designed nozzle with an essentially rectangular outlet opening become.
  • Coating material overlapping with several neighboring spray nozzles is sprayed on.
  • the area of overlap can be varied; it depends the pressure of the coating material in the feed line or the distance the spray nozzles to each other.
  • a further development of the method is characterized in that the Spray nozzle and the application nozzle from a common coating material source, but by two at least partially separate coating material flows be fed. Through the two separate coating material flows can be in the respective supply lines from each other set different pressure. The pressure of the coating material in the Feed lines to the spray nozzle will regularly be significantly higher than that Pressure in the coating material supply line to the application nozzle. About that In addition, the coating material can alternate with the spray nozzle or Application nozzle are fed; becomes regular - according to one below described preferred embodiment - first the material over a large area sprayed on and then a sharper contour in the edge area with the application nozzle Edge are generated.
  • the pressure in the separate coating material flows to the application nozzle or the spray nozzle is adjustable or adjustable.
  • the amounts are preferably or Volume flows of the separate coating material flows to the Order nozzle or the spray nozzle adjustable or adjustable, so that exactly Predefinable amounts of coating material can be applied to a specific area are and thus the thickness of the protective layer can be predetermined.
  • the fluidity or viscosity of the coating material and thus the spraying or application behavior and thus certain properties of the Targeted protective layer By controlling the temperature of the coating material to a desired one The fluidity or viscosity of the coating material and thus the spraying or application behavior and thus certain properties of the Targeted protective layer.
  • the method according to the invention is special environmentally friendly if the coating material is based on water and that Water evaporates during curing.
  • the coating material emerging from the spray nozzle or application nozzle is subjected to a spray jet monitoring, in which the emerging coating material in the beam path of a light beam is introduced, the interruption of the light beam by means of an optical Sensor detected and analyzed by a control device.
  • a spray jet monitoring in which the emerging coating material in the beam path of a light beam is introduced, the interruption of the light beam by means of an optical Sensor detected and analyzed by a control device.
  • the spray jet monitoring shows that the spray pattern is not optimal, can be a parameter such as the temperature of the coating material or the pressure of the coating material in a feed line to the Spray nozzle or application nozzle varies or the nozzle can be cleaned until the desired spray pattern is created.
  • a process control in which the coating material is used first is particularly advantageous is sprayed on and then in the edge area of the sprayed coating material applied the strand or strip of material becomes.
  • a single robot arm can initially cover a large area be sprayed on and then by moving the edge area with it Application nozzle a sharp edge contour are generated.
  • the spray nozzle and Application nozzle using a robot arm along pre-programmable trajectories are moved relative to the surface to be coated.
  • the device according to the invention is advantageously developed by that spray nozzle and application nozzle attached to a common frame and are movable relative to the surface to be protected by means of a robot arm.
  • a further development provides that several application nozzles and spray nozzles each arranged adjacent to each other on the frame and in different Distances to each other can be fixed.
  • a pressure regulator arranged with the pressure of the Coating material in the coating material lines is adjustable.
  • An optical system for spray jet monitoring is preferably implemented by a light source for generating a light beam and by an optical one Sensor for detecting incident light and providing an electrical one Signal depending on the intensity of the light and through a control device coupled to the optical sensor for evaluating the optical signals generated by the sensor for monitoring the Application nozzle or spray nozzle flow of coating material.
  • the Material properties of the coating material can be controlled by a temperature control device be influenced favorably for tempering.
  • the embodiment of a device according to the invention comprises in essentially two spray nozzles 2.4, an application nozzle 6, one to be explained in more detail Pipe system for supplying the spray or application nozzle 2, 4, 6 with Coating material and one with a coating material source, not shown connected pump 8 for conveying the coating material.
  • the pump 8 is connected on the output side to a line 10 to which a Pressure sensor 12 for receiving the pressure of the coating material in the Line 10 is switched.
  • Line 10 goes in the direction of flow of the coating material in two lines, each with a filter 18 and valves are switched so that the coating material depending on the position of the valves promoted either by filter 18 in sub-line 16 or filter 18 in sub-line 14 becomes.
  • a further pressure transducer 22 switched in the line 20 adjoining the partial lines 14, 16 there is a further pressure transducer 22 switched. From the difference of the recorded Pressure values of the pressure transducers 22 and 12 can be used to infer the state of the respective filter 18 are closed.
  • Line 20 contains a flexible optionally heatable hose 24.
  • a line 20 in the further course Volume flow cell 28 arranged.
  • One from the volume flow measuring cell 28 The signal provided is converted to a via a signal line (shown in dashed lines) central control box 30 in the cabinet 26 transferred.
  • the control box 30 is by means of several lines 32, also shown schematically and in dashed lines connected to a control device 34 which has one display field and several Buttons and switches are equipped for entering commands and, if necessary is coupled to a central control device of a production plant.
  • the line 20 merges into two separate coating material lines 38, 40.
  • the pressure regulators 42, 44 and pressure transducers 46, 48 are over Signal lines also shown in dashed lines with the switch box 30 coupled.
  • the coating material line 40 leads by means of a flexible and thermally insulated hose 50 to the application nozzle 6.
  • the coating material line 38 leads to the two spray nozzles 2 by means of a hose 52, 4, using a corresponding circuit simultaneously or optionally separately Coating material can be supplied.
  • the spray nozzles 2, 4 and the application nozzle 6 are each individually pneumatic operable order valve assigned, the valve needle by means of a pneumatically reciprocable piston with compressed air relative to one Valve seat are movable to supply the coating material to the outlet openings to be able to either interrupt or release.
  • the order valves are by means of compressed air lines 52 with electromagnetically actuated solenoid valves controllable, which in turn by means of the control box 30 and the lines 32 the control device 34 can be controlled.
  • the solenoid valves are on one Compressed air source 53 connected.
  • the spray nozzles 2, 4 and the application nozzle 6 are on a common frame 56 attached. They are at different distances relative to each other Frame 56 attachable. For this purpose, the spray or application nozzle 2, 4, 6 are moved along a rail and with the help of clamping screws this can be fixed.
  • the frame 56 is in turn attached to a robot arm (not shown) that executes programmable trajectories so that the Spray nozzles 2, 4 or the application nozzle 6 along predeterminable movement paths relative to a surface to be coated, in the exemplary embodiment one Motor vehicle are movable. In a manner not shown, others Spray nozzles and application nozzles are attached to the frame 56 if the concrete use case this requires.
  • Two schematically illustrated spray jet monitoring devices 58 serve for examining the spray jets emerging from the spray guns 2, 4 or of the material strand or the material strip emerging from the application nozzle 6. With the help of the previously described robotic arm, the spray nozzles can 2, 4 or the application nozzle 6 to the spray jet monitoring devices 58 are driven so that an investigation is possible.
  • Any spray monitor 58 has a light source for generating a light beam, preferably a laser and one spaced from the light source optical sensor for detecting incident light and providing one electrical signal depending on the intensity of the light occurring.
  • the respective spray pattern can, for. B. with regard to a desired, predetermined Width at a certain distance from the outlet opening of the respective Spray nozzle 2, 4 or application nozzle 6 are examined. Also an unevenness of the spray pattern can be examined.
  • the one or more optical Sensors provided electrical signals that measure the intensity of the represent incident light, become an electrical or electronic Control device for evaluating the signals transmitted and processed there, to get information about the respective spray pattern.
  • An air motor 60 which can be driven with compressed air drives a rotatable brush 62, with which the outlet openings of the spray nozzles 2, 4 or the application nozzle 6 can be cleaned by the latter using the robot arm to the brush 62 can be driven.
  • the air motor 60 can be controlled by means of a signal line 64.
  • the liquid coating material which is an aqueous dispersion or the like can, with the help of the pump 8 through the line 10th promoted. It flows through one of the filters 18 into line 20 and through the Volume flow measuring cell 28.
  • first coating material through the coating material line 38 and the Hose 52 to the spray nozzles 2, 4 under a pressure of approximately up to 30 bar promoted.
  • the spray nozzles 2, 4 the material is flat on a vehicle body applied by the spray nozzles 2, 4 together with the frame 56 are moved by a robot arm along predetermined movement paths, so that a uniform spray application of the coating material on the Surface is applied. For example, the spray nozzles 2, 4 along essentially straight trajectories are moved back and forth.
  • the application valve 6 is in the edge region of the previously applied spray job and the application valve of the application nozzle 6 brought into the opening position so that coating material through the Coating material line 40 and the hose 50 through the application nozzle 6 in Form an essentially as a continuous strand or strip of material jet emerging from the application nozzle 6 is applied to the surface.
  • the application nozzle 6 is along the edge region of the sprayed coating material moved along, so that a completely closed protective layer arises from the sprayed coating material and the then applied as a continuous strand or strip of material Coating material is made.
  • the spray nozzles 2, 4 combine sprayed and applied by the application nozzle 6 coating materials together to form a single protective layer. This then hardens out. You can then manually remove it from the surface at a later time subtracted from.
  • the protective layer sprayed on and applied by means of the application nozzle 6 has such a thickness that it is completely cured when cured closed removable protective layer forms.
  • the from the application nozzle 6 emergent coating material strand or strip can, for example, by a slot nozzle is generated; other nozzle shapes can also be used. According to a variant of the method, coating material appears to be flatter increasing distance from the application nozzle spreading material strips from the Application nozzle off.
  • the pressure in the coating material lines 38, 14 is with the help of the pressure regulator 42, 44 adjustable.

Landscapes

  • Application Of Or Painting With Fluid Materials (AREA)
  • Spray Control Apparatus (AREA)
  • Manufacture Of Motors, Generators (AREA)
  • Nozzles (AREA)

Claims (22)

  1. Procédé de fabrication d'une couche protectrice amovible pour des surfaces, en particulier des surfaces vernies de carrosseries de véhicules automobiles,
       pour lesquelles un matériau de revêtement liquide durcissable est vaporisé par une buse de pulvérisation (2, 4) sur la surface à protéger et y forme une couche protectrice durcissable en surface,
       caractérisé en ce que dans la zone de délimitation du matériau de revêtement vaporisé sur la surface, un matériau de revêtement sortant d'une buse d'application (6) pour l'essentiel sous forme de trait ou bande continue de matériau est appliqué sur la surface à recouvrir.
  2. Procédé selon la revendication 1,
       caractérisé en ce que la couche protectrice vaporisée au moyen de la buse de pulvérisation (2, 4) et la couche protectrice appliquée au moyen de la buse d'application (6) sont composées du même matériau de revêtement et se mélangent ensemble en une couche protectrice unique sur la surface avant le durcissement.
  3. Procédé selon la revendication 2,
       caractérisé en ce que la couche protectrice vaporisée au moyen de la buse de pulvérisation (2, 4) et la couche protectrice appliquée au moyen de la buse d'application (6) présente une telle épaisseur, qu'une couche protectrice amovible manuellement, complètement fermée en état durci, pour l'essentiel imperméable à l'eau, au gaz et à la poussière est formée.
  4. Procédé selon l'une quelconque des revendications précédentes,
       caractérisé en ce que le matériau de revêtement sort de la buse d'application (6) sous forme de bande plate de matériau s'élargissant en s'éloignant de la buse d'application.
  5. Procédé selon l'une quelconque des revendications précédentes,
       caractérisé en ce que dans la zone de délimitation du matériau de revêtement vaporisé sur la surface, plusieurs traits ou bandes de matériau sont appliqués par plusieurs buses d'application (6).
  6. Procédé selon l'une quelconque des revendications précédentes,
       caractérisé en ce que le matériau de revêtement est vaporisé en se chevauchant avec plusieurs buses de pulvérisation (2, 4) adjacentes.
  7. Procédé selon l'une quelconque des revendications précédentes,
       caractérisé en ce que les buses de pulvérisation (2, 4) et les buses d'application (6) sont alimentées à partir d'une source de matériau de recouvrement commune, mais par deux flux de matériau de recouvrement séparés l'un de l'autre.
  8. Procédé selon la revendication 7,
       caractérisé en ce que la pression dans les flux de matériau de recouvrement séparés est réglable ou ajustable à la buse d'application (6) ou à la buse de pulvérisation (2, 4).
  9. Procédé selon la revendication 7 ou 8,
       caractérisé en ce que les débits massiques ou les débits volumétriques des flux de matériau de recouvrement séparés sont réglables ou ajustables à la buse d'application (6) ou à la buse de pulvérisation (2, 4).
  10. Procédé selon l'une des revendications précédentes,
       caractérisé en ce que la température du matériau de recouvrement est réglable à une valeur prescrite souhaitée.
  11. Procédé selon l'une des revendications précédentes,
       caractérisé en ce que le matériau de recouvrement repose sur l'eau et l'eau s'évapore pendant le durcissement.
  12. Procédé selon l'une des revendications précédentes,
       caractérisé en ce que le matériau de recouvrement sortant de la buse de pulvérisation (2, 4) ou de la buse d'application (6) est soumis à une surveillance du jet de pulvérisation, lors duquel le matériau de recouvrement sortant est inséré dans le trajet des jets d'un faisceau lumineux, la coupure du faisceau lumineux est enregistrée au moyen d'un capteur optique et analysée par un dispositif de commande (34).
  13. Procédé selon l'une des revendications précédentes,
       caractérisé en ce que le matériau de recouvrement est d'abord pulvérisé et, immédiatement après, appliqué dans la zone de délimitation du matériau de recouvrement pulvérisé du trait ou de la bande de matériau.
  14. Procédé selon la revendication 13,
       caractérisé en ce que plusieurs lignes de matériau de revêtement, pour l'essentiel parallèles les unes par rapport aux autres, sont pulvérisées avec une ou plusieurs buses de pulvérisation (2, 4).
  15. Procédé selon la revendication 13 ou 14,
       caractérisé en ce que la buse de pulvérisation (2, 4) et la buse d'application (6) sont déplaçables au moyen d'un bras de robot le long des lignes de mouvement préprogrammables par rapport à la surface à recouvrir.
  16. Dispositif destiné à la fabrication d'une couche protectrice amovible pour des surfaces, en particulier des surfaces vernies de carrosseries de véhicules automobiles et en particulier pour la réalisation d'un procédé selon l'une quelconque des revendications précédentes, avec une buse de pulvérisation (2, 4) alimentable à partir d'une source de matériau de revêtement avec du matériau de revêtement liquide destiné à la vaporisation d'un matériau de revêtement liquide durcissable sur la surface à protéger, la buse de pulvérisation (2, 4) et la surface étant déplaçables l'une par rapport à l'autre, caractérisé par au moins une buse d'application (6) destinée à l'application d'un matériau de revêtement pour l'essentiel sous forme de trait ou de bande continue de matériau sur la surface à recouvrir.
  17. Dispositif selon la revendication 16,
       caractérisé en ce que la buse de pulvérisation (2, 4) et la buse d'application (6) sont fixées à un cadre (56) commun et déplaçables par rapport à la surface à protéger au moyen d'un bras de robot.
  18. Dispositif selon la revendication 17,
       caractérisé en ce que plusieurs buses d'application (6) et buses de pulvérisation (2, 4) sont chacune disposées sur un cadre (56) de manière adjacente les unes par rapport aux autres et fixables les unes aux autres à des intervalles différents.
  19. Dispositif selon la revendication 16,
       caractérisé en ce que la buse de pulvérisation (2, 4) et la buse d'application (6) sont alimentées indépendamment l'une de l'autre en matériau de revêtement par deux conduites de matériau de revêtement (38, 40) séparées l'une de l'autre.
  20. Dispositif selon la revendication 19,
       caractérisé en ce qu'un régulateur de pression (42, 44) est disposé dans chaque conduite de matériau de revêtement (38, 40), ledit régulateur permettant de régler la pression du matériau de revêtement dans les conduites de matériau de revêtement (38, 49).
  21. Dispositif selon l'une quelconque des revendications 16 à 20,
       caractérisé par une source de lumière destinée à générer un faisceau lumineux et par un capteur optique destiné à enregistrer la lumière sortante et à mettre à disposition un signal électrique dépendant de l'intensité de la lumière sortant et par un dispositif de commande (34) couplé avec le capteur optique destiné à exploiter les signaux optiques générés par le capteur destinés à surveiller les flux de matériau de revêtement émis par la buse d'application ou la buse de pulvérisation.
  22. Dispositif selon l'une quelconque des revendications 16 à 21,
       caractérisé par un dispositif de chauffage destiné à tempérer le matériau de revêtement.
EP00951295A 1999-08-10 2000-06-24 Procede et dispositif de fabrication d'une couche protectrice amovible pour des surfaces, en particulier des surfaces vernies de vehicules motorises Expired - Lifetime EP1214154B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19936790 1999-08-10
DE19936790A DE19936790A1 (de) 1999-08-10 1999-08-10 Verfahren und Vorrichtung zum Herstellen einer abziehbaren Schutzschicht für Oberflächen, insbesondere für lackierte Oberflächen von Kraftfahrzeugkarosserien
PCT/EP2000/005843 WO2001010570A2 (fr) 1999-08-10 2000-06-24 Procede et dispositif de fabrication d'une couche protectrice amovible pour des surfaces, en particulier des surfaces vernies de vehicules motorises

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EP1214154A2 EP1214154A2 (fr) 2002-06-19
EP1214154B1 true EP1214154B1 (fr) 2003-07-30

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US (2) US6811807B1 (fr)
EP (1) EP1214154B1 (fr)
JP (1) JP2003506210A (fr)
AU (1) AU6428700A (fr)
CA (1) CA2380752A1 (fr)
DE (2) DE19936790A1 (fr)
ES (1) ES2199842T3 (fr)
WO (1) WO2001010570A2 (fr)

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Publication number Publication date
JP2003506210A (ja) 2003-02-18
CA2380752A1 (fr) 2001-02-15
DE19936790A1 (de) 2001-02-15
ES2199842T3 (es) 2004-03-01
AU6428700A (en) 2001-03-05
DE50003136D1 (de) 2003-09-04
WO2001010570A3 (fr) 2001-08-30
EP1214154A2 (fr) 2002-06-19
US6811807B1 (en) 2004-11-02
US20040221804A1 (en) 2004-11-11
WO2001010570A2 (fr) 2001-02-15

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