EP1144129B2 - Revetement d'objets et sechage aux rayons infrarouges - Google Patents

Revetement d'objets et sechage aux rayons infrarouges Download PDF

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Publication number
EP1144129B2
EP1144129B2 EP99955871A EP99955871A EP1144129B2 EP 1144129 B2 EP1144129 B2 EP 1144129B2 EP 99955871 A EP99955871 A EP 99955871A EP 99955871 A EP99955871 A EP 99955871A EP 1144129 B2 EP1144129 B2 EP 1144129B2
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EP
European Patent Office
Prior art keywords
drying
radiation
coating
infrared
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.)
Expired - Lifetime
Application number
EP99955871A
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German (de)
English (en)
Other versions
EP1144129B1 (fr
EP1144129A1 (fr
Inventor
Kai K. O. BÄR
Rainer Gaus
Martin Sedlmeyr
Stefan Schiele
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Josef Schiele OHG
Advanced Photonics Technologies AG
Original Assignee
Josef Schiele OHG
Advanced Photonics Technologies AG
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Application filed by Josef Schiele OHG, Advanced Photonics Technologies AG filed Critical Josef Schiele OHG
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B3/00—Drying solid materials or objects by processes involving the application of heat
    • F26B3/28—Drying solid materials or objects by processes involving the application of heat by radiation, e.g. from the sun
    • F26B3/30—Drying solid materials or objects by processes involving the application of heat by radiation, e.g. from the sun from infrared-emitting elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
    • B05D3/02—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
    • B05D3/0254—After-treatment
    • B05D3/0263—After-treatment with IR heaters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/06—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to wood
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
    • B27N9/00—Arrangements for fireproofing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B2210/00—Drying processes and machines for solid objects characterised by the specific requirements of the drying good
    • F26B2210/16—Wood, e.g. lumber, timber

Definitions

  • the invention relates to a method for drying coated and / or impregnated articles, in particular of lacquered wood, wherein a coating and / or impregnating agent applied to the surface of the respective article contains a solvent and / or diluent to be expelled during the drying, in particular water and wherein the diluent has the property of penetrating the article in an undried state so that uniformly structured regions, in particular fibers of the article, change their position in the article and after a characteristic period of time since the application of the impregnation or thinning process Coating agent change the surface structure such that a post-treatment of the surface (grinding, coating or impregnation) is required or desirable.
  • the invention further relates to a process for drying a coated and / or impregnated article, in particular of lacquered wood, wherein a coating and / or impregnating agent applied to the surface of the respective article has a constituent, in particular color pigments, which has the property by its Presence in the surface and / or in the coating to ensure the quality of the coating or impregnation, but still has the property to penetrate the article in undried state and not after a characteristic period of time since the application of the impregnating or coating agent more to be present in sufficient amount in the region of the surface and / or in the coating, so that a subsequent treatment of the surface, in particular a repainting, is required or desirable.
  • the invention relates to the use of a means for drying coated and / or impregnated articles.
  • the first applied lacquer layer acts as a water barrier, as it prevents ingress of water into the wood.
  • the same or at least similar effects occur in other absorbent materials, which have a multiplicity of in each case uniformly structured regions and / or fibers.
  • the effects occur not only in water-based paint, but quite generally in water-dilutable or water-based coating and / or impregnating agents, such as glazes, stains, flame retardant coating agents and / or other protective and impregnating agents, on the surface of the object to be treated be applied.
  • the effects occur not only in the case of water-containing coating and / or impregnating agents, but also in the case of such agents which contain other solvents and / or diluents to be expelled and / or bound during the drying.
  • pigmented lacquers it is further observed on wood or similar absorbent articles that after a characteristic period of time the pigments break away, which is understood to mean the penetration of the pigments into the interior of the article.
  • the pigments which are supposed to be in the region of the surface of the article and / or in the applied layer in order to develop their optical effect, thus undesirably penetrate into the article.
  • a subsequent treatment of the surface, in particular a repainting is required or at least desirable.
  • Stripping can occur not only in pigments but also in other components of coating and / or impregnating agents which are essential for the quality of the coating or impregnation, when they are applied to the surface of a sucking or penetrating article.
  • the drying of the coated and / or impregnated articles may be effected passively by waiting until the moisture component has spread through the environment of the article and / or over the environment and the article due to a concentration gradient.
  • an active drying takes place, in which the objects to be dried, for example, pass through an oven or are irradiated with infrared radiation.
  • the solvent in this case water, can be firmly bound into the coating and / or impregnating agent by curing.
  • drying The incorporation of the moisture component, so that they can no longer leave the means, is understood by "drying".
  • Water is known to be preferred as a solvent and / or diluent, since it is environmentally friendly. Especially when drying, it is then possible to work with open systems that discharge the expelled water, possibly after passing through a filter, into the environment.
  • the present invention has for its object to provide a method of the type mentioned for drying coated and / or impregnated articles, through the use of a post-treatment of the coated and / or impregnated surface is unnecessary.
  • Another object of the invention is to provide the use of a means for drying coated and / or impregnated articles, which makes it possible to dispense after curing to a post-treatment.
  • the process side the drying is effected before the end of the characteristic period, with the expiration of the position of the fibers or the respectively uniformly structured areas would change so that a treatment of the surface is required or desirable, or with the expiration of the quality for the coating or impregnation would eliminate essential ingredient, so that aftertreatment is required or desirable.
  • the infrared radiation has significant, the drying effecting radiation components in the near infrared, in particular at wavelengths less than 1.0 / jm.
  • near infrared is meant the wavelength range between the visible range and 1.4 / jm.
  • the near infrared energy amount of the temperature radiation of articles which are at room temperature is low. Electromagnetic radiation in the near infrared and temperature radiation of objects inevitably present in most cases to room temperature can therefore be easily separated from each other. The controllability of near infrared radiation is therefore particularly good.
  • water in particular absorbs near-infrared radiation with a high degree of absorption, so that targeted water molecules in the not yet dried coating or impregnation can be excited and knocked out.
  • This has the advantage that the remaining coating or impregnation and in particular the article on the surface of which has been applied, is not heated significantly or not at all. Subsequent cooling or waiting time can therefore be dispensed with. Further processing or storage, for. B. the stacking of objects can follow without interruption to the drying process.
  • the infrared radiation is adjusted and / or filtered prior to its impact on the surface such that spectral radiation components which would cause undesirable heating of the coating or impregnation and / or of the article are missing.
  • spectral radiation components which would cause undesirable heating of the coating or impregnation and / or of the article are missing.
  • transparent filter can be used for filtering the known from the prior art or familiar to those skilled optical filters. Even with other solvents or diluents than water can be done by a targeted stimulation.
  • the infrared radiation has a spectral radiant flux density maximum in the near infrared, in particular at wavelengths smaller than 1.0 microns.
  • the infrared radiation is emitted as the temperature radiation of a radiation emitter, which is heated to temperatures of 2500 K or higher, in particular 2900 K or higher.
  • This procedure has several advantages. On the one hand, because of the large differences in temperature between the radiation emitter and the environment usually at room temperature or at least approximately at room temperature, a rapid cooling of the radiation emitter takes place when the heating is switched off.
  • the emitted radiance, i. h. The radiated power per emitter surface, greater at high temperatures than at lower temperatures.
  • the volume of the radiation emitter can be chosen correspondingly small, so that its heat capacity is low overall. Consequently, a radiation emitter is excellently controllable at said high temperatures.
  • the heating takes place in a known manner in an electrical manner by an electric current flowing through the formed as an electrical resistance radiation emitter. Electric currents are controllable in a known manner at low cost.
  • wood fiber erection typically occurs after 5 seconds. If the water-based paint contains pigments, a strike-off which adversely affects the quality of the paint is typically observable after 3 seconds. Preferably, the drying is therefore effected within 5 seconds, in particular within 3 seconds since the application of the impregnating or coating agent.
  • the respective article preferably passes through an application zone in which the coating and / or impregnating agent is applied, and is the article or its coated or impregnated Longitudinal sections conveyed into a drying zone, in which the coated or impregnated surface is irradiated with the infrared radiation.
  • the coating and / or impregnating agent can be applied all around or only on parts of the surface of the article. Accordingly, the infrared radiation is irradiated at the same time on the entire coated or impregnated surface of a longitudinal section of the article at approximately evenly distributed over the coated or impregnated surface radiation energy.
  • a plurality of radiation sources are used and / or the radiation is correspondingly deflected by scattering and / or reflection.
  • an embodiment is preferred in which the article or its longitudinal sections enter the drying zone immediately after leaving the application zone or already after partially passing through the application zone.
  • Devices are already known for applying liquid or pasty coating and / or impregnating agents, in which the agent is transported in the application zone by a gas stream, which entrains the agent located in a storage space and deposits on the surface of the article.
  • the coating systems of the "VA-CUMAT" series from Schiele Maschinenbau GmbH, Kapellenstr. 7, D-56651 Niederzissen according to this principle.
  • the gas stream is preferably used prior to reaching the storage space for cooling one or more radiation sources of the infrared radiation and / or for cooling other components involved in the irradiation in the drying zone, such as reflectors, radiation filters and / or radiation-transparent room dividers.
  • the heat absorbed by the gas during the cooling process has a particularly advantageous effect. It leads alone or together with an additional heating to the desired heating of the coating and / or impregnating agent.
  • the agent proposed according to the invention for use as a drying agent is an infrared lamp for drying an article coated or impregnated with a coating and / or impregnating agent.
  • the infrared lamp is a halogen lamp.
  • the infrared lamp is designed as a tube radiator with a filament extending in a line-like manner in a radiation-transmissive tube, in particular in a quartz glass tube.
  • the infrared lamp is combined with a reflector body, which extends along the tube and surrounds it in cross-section such a trough-like at the back, that the radiated toward the front infrared radiation is amplified by reflected radiation.
  • Fig. 1 shows a profile piece 1 of medium-density fiber material (MDF).
  • MDF medium-density fiber material
  • the MDF profile 1 is freshly coated with a water-based paint layer 2.
  • the water-based paint layer 2 is already on the MDF profile 1 for so long that a repelling of color pigments 6 which were contained in the water-based paint layer 2 has taken place.
  • the Wegsehlagen is indicated by three arrows in the left half of the picture.
  • the illustration shown in FIG. 1 corresponds to a time of approximately 3 seconds since the beginning of the application process in which the water-based paint layer 2 has been applied.
  • the achievement of the state shown in Fig. 1 is prevented by the fact that the drying is effected within 3 seconds, in particular within one second since the beginning of the application process.
  • Fig. 2 shows a coated surface of a wooden profile 5 in partial view in cross section.
  • the coating consists of a water-based paint layer 2.
  • the wood profile 5 has fibers 4, which end at the surface of the wood profile 5. The surface was ground before coating and is therefore smooth.
  • FIG. 3 shows the wood profile 5 according to FIG. 2 at a later point in time, since the drying of the water-lacquer layer 2 or of the water-lacquer layer 2 and of the wood profile 5 has not been effected in time, since the state shown in FIG 4 and penetrated into intermediate spaces 3 between the fibers 4, so that the fibers have 4 set up and both the water-lacquer layer bearing surface of the wood profile 5 and the outer surface of the water-based lacquer layer 2 has become rough or uneven.
  • customers of industrially manufactured products such a surface structure is not accepted. It is therefore an aftertreatment required, usually a grinding of the dried lacquer outer surface and then repainting.
  • Fig. 4 shows a device for painting of wood by the meter in cross section.
  • the wood product is conveyed in the illustration of Fig. 4 from left to right by means of the skilled person conveyors.
  • high working speeds d. h.
  • conveying speeds desirable, in particular conveying speeds of 8-80 m / min or even
  • special feed units conveying speeds up to 240 m / min.
  • Such special units are driven, for example, by two synchronously controlled motors and have a relatively small space requirement.
  • the wood product shown in Fig. 4 concrete is a wooden profile 5, as it has already been shown in Fig. 2 fragmentary.
  • the wooden profile has a length of about 2 m and is conveyed at a conveying speed of 1 m / s or 60 m / min.
  • it first passes through an application chamber 20 from the left, through the dimensions of which an application zone is defined in the conveying or longitudinal direction.
  • the drying zone of the device follows, which is defined by the longitudinal portion of the conveying path, which is exposed to an infrared radiation.
  • the device comprises two halogen lamps 11, which extend perpendicular to the image plane of FIG. 4.
  • the halogen lamps 11 are formed as a tube radiator.
  • the tungsten wire 12 serves as a radiation emitter. During the irradiation period of the tungsten wire 12 is traversed by electric current and has accordingly a temperature of about 3200 K.
  • the radiation emitted by the halogen lamps 11 propagates either directly in the direction of the wood pieces to be dried, or indirectly.
  • the indirect spread can be done in several different ways.
  • the halogen lamps 11 are combined with a lamp reflector body 10 having two groove-like, extending along the quartz glass tubes 13 recesses, which are partially filled in cross section of the halogen lamps 11.
  • the surface on the underside of the lamp reflector body 10, including the surface of the groove-like recesses, is reflective of infrared radiation.
  • the lamp reflector body 10 is made of aluminum, and the reflective surface of the lamp reflector body 10, called the upper reflector surface 14 of the device, is formed by polishing the aluminum.
  • a side reflector body 16 is arranged on the right side of the drying zone, the inner, facing the drying zone surface, a lateral reflector surface 15 which is designed to be reflective for infrared radiation. Furthermore, located at the bottom of the drying zone, a lower reflector body 19 with inwardly facing the drying zone lower 17 and lateral 15 reflector surfaces. Finally, the outer surface of the drying zone facing part of the surface of the application chamber 20 is formed as a side reflector surface 15. 4 not shown further reflector surfaces below and above the image plane of FIG.
  • the drying zone enclosing space is formed in which the infrared radiation distributed by reflections approximately homogeneous and so all sides of the conveyed through the drying zone wood profile 5 are irradiated at about the same Strahlungsflußêt.
  • Openings of the edge of the drying zone are where the wood pulp enters from the left into the drying zone, where the wood pulp right leaves the drying zone and top side, right and left of the lamp reflector body 10.
  • the last-mentioned openings serve that air at the bottom of the lamp reflector body 10 can be blown to cool the halogen lamps 11 and the lamp reflector body 10.
  • the cooling minimizes unwanted, difficult-to-control temperature radiation of the device components involved in the irradiation other than the tungsten wires 12.
  • These are in particular the quartz glass tubes 13, the lamp reflector body 10, the side reflector body 16, the other, not shown side reflector body, the lower reflector body 19 and a glass plate 18, which divides the drying zone into a lower and upper portion. Cooling takes place separately in both the upper and lower portions.
  • the forced convection is driven by a pump, not shown, which can enter the air in the suction from the right coming through the provided for the wood pulp outlet from the drying zone in the lower portion of the drying zone.
  • the air stream is initially divided to cool the glass sheet 18 on its underside and the reflector surfaces in the lower portion. Subsequently, the air flows through the right passage opening of the application chamber 20 into this, whirls there the liquid paint, so that a uniform paint mist forms, which is reflected on the wood profile 5.
  • the air flows close to the coated surface of the timber profile 5 along.
  • the passage opening is accordingly dimensioned so that all around the wood profile 5 only a few millimeters gap to the edge of the passage opening.
  • the left passage opening of the application chamber 20 through which the wood profile 5 is conveyed into the application chamber 20, also enters air in the Apptikationshunt 20, wherein the space between the wooden section 5 and the edge of the passage opening is smaller to ensure that the most of the air flowing into the application chamber air flows through the right passage opening.
  • the paint mist leaves the application chamber 20.
  • the paint constituents of the paint mist are deposited, cleaned and returned via the paint feed 23 to the supply of liquid paint 22 in the application chamber 20 by device components, not shown.
  • the halogen lamps 11 emit with a correspondingly sufficient radiation power. Depending on the surface to be dried per longitudinal section of the lumber and depending on the conveying speed, the radiation power is adjusted accordingly. If the maximum radiant power is insufficient, further halogen lamps (not shown) are switched on.
  • the glass sheet 18, which divides the drying zone, allows one of the respective cooling load in the upper portion and in the lower portion adapted air cooling. On the other hand, it causes a decoupling of the required for the painting air flow in the application chamber 20 of the temperature or the cooling requirement of the halogen lamps 11 and the lamp reflector body 10.

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Microbiology (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)
  • Drying Of Solid Materials (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Paints Or Removers (AREA)

Claims (14)

  1. Procédé de séchage d'objets (1 ; 5) enduits qui possèdent une pluralité de domaines chaque fois structurés de manière uniforme, en particulier des fibres, en particulier pour le séchage de bois laqué, dans lequel un produit de couverture (22) appliqué à la surface de l'objet (1 ; 5) respectif contient un produit de solution et/ou de dilution à chasser lors du séchage, en particulier de l'eau, et dans lequel le produit de solution et/ou de dilution possède la propriété de pénétrer dans l'objet en l'état non séché, si bien que les domaines structurés de manière uniforme (4) modifient leur position dans l'objet (1 ; 5) et, après une durée caractéristique depuis l'application du produit de couverture (22), modifient la structure de surface de manière telle qu'un traitement postérieur de la surface est nécessaire ou souhaitable, dans lequel le séchage avant écoulement de la durée caractéristique est réalisé par l'irradiation de la surface enduite par rayonnement infrarouge dans une zone de séchage, subdivise dans une zone partielle inferieure et une zone partielle supérieure par une vitre, dans lequel un refroidissement a lieu séparément aussi bien dans la zone partielle superieure que dans a la zone partielle inferieure.
  2. Procédé de séchage d'objets (1 ; 5) enduits, en particulier de bois laqué, dans lequel un produit de couverture (22) appliqué à la surface de l'objet (1 ; 5) respectif présente un composant (6), en particulier des pigments de couleur, qui possède les propriétés,
    - par sa présence dans la zone de la surface et/ou dans l'enduit (2), d'assurer la qualité de l'enduit (2), mais
    - en l'état non séché, de pénétrer dans l'objet (1 ; 5) et, après une durée caractéristique depuis l'application du produit d'imprégnation et/ou de couverture (22), de ne plus figurer en quantité suffisante dans la zone de la surface et/ou dans l'enduit (2) si bien qu'un traitement postérieur de la surface tel qu'un relaquage est nécessaire ou souhaitable, dans lequel
    le séchage avant écoulement de la durée caractéristique est réalisé par l'irradiation de la surface enduite et/ou imprégnée par rayonnement infrarouge dans une zone de séchage, subdivise dans une zone partielle inferieure et une zone partielle supérieure par une vitre, dans lequel un refroidissement a lieu séparément aussi bien dans la zone partielle superieure que dans a la zone partielle inferieure.
  3. Procédé selon la revendication 1 ou 2,
    caractérisé en ce que
    le rayonnement infrarouge présente essentiellement la partie de rayonnement dans l'infrarouge proche entraînant le séchage, en particulier de longueurs d'onde inférieures à 1,0 µm.
  4. Procédé selon la revendication 3,
    caractérisé en ce que
    le rayonnement infrarouge présente une maximale de densité spectrale de flux de rayonnement dans l'infrarouge proche, en particulier pour une longueur d'onde inférieure à 1,0 µm.
  5. Procédé selon la revendication 4,
    caractérisé en ce que
    le rayonnement infrarouge est émis en tant que rayonnement thermique d'un émetteur de rayonnement (12), chauffé à des températures de 2500 K ou supérieures, en particulier de 2900 K ou supérieures.
  6. Procédé selon l'une des revendications 1 à 5,
    caractérisé en ce que
    le séchage est réalisé dans un délai de 5 secondes, en particulier de 3 secondes, à partir de l'application du produit de couverture.
  7. Procédé selon l'une des revendications 1 à 6,
    caractérisé en ce que
    l'objet (1 ; 5) respectif est en permanence transporté dans le sens d'une longueur et traverse d'abord une zone d'application dans laquelle le produit de couverture (22) est appliqué et que l'objet (1 ; 5) ou ses sections de longueur enduites sont transportées dans une zone de séchage dans laquelle les surfaces enduites sont irradiées par le rayonnement infrarouge.
  8. Procédé selon la revendication 7,
    caractérisé en ce que
    l'objet (1 ; 5) ou ses sections de longueur entrent dans la zone de séchage immédiatement après avoir quitté la zone d'application ou après avoir partiellement parcouru la zone d'application.
  9. Procédé selon la revendication 8, dans lequel l'application du produit de couverture (22) dans la zone d'application s'effectue par un flux gazeux qui entraîne le produit de couverture (22) présent dans une chambre d'approvisionnement et le dépose à la surface de l'objet (1 ; 5),
    caractérisé en ce que
    le flux gazeux, avant qu'il n'atteigne la chambre d'approvisionnement, est utilisé pour le refroidissement d'une source de rayonnement (11) du rayonnement infrarouge et/ou pour le refroidissement d'autres pièces (16, 18, 19) de la zone de séchage participant à l'irradiation, telles des réflecteurs, des filtres de rayonnement et/ou des murets transparents au rayonnement.
  10. Utilisation d'une lampe à infrarouge (11) pour l'execution du procédé selon l'une des revendications precedantes.
  11. Utilisation selon la revendication 10, dans laquelle la lampe à infrarouge (11) est une lampe halogène.
  12. Utilisation selon la revendication 10 ou 11,
    dans laquelle la lampe à infrarouge (11) est constituée en tant que tube rayonnant comportant un filament incandescent (12) disposé selon une ligne dans un tube (13) transparent au rayonnement, en particulier un tube en verre quartzeux.
  13. Utilisation selon la revendication 12,
    dans laquelle la lampe à infrarouge (11) est combinée avec un corps de réflexion (10) disposé le long du tube (13) et entourant la partie arrière de celui-ci à la manière, en coupe transversale, d'un conduit, de façon telle que le rayonnement infrarouge émis en direction de la face avant soit renforcé par le rayonnement réfléchi.
  14. Dispositif pour l'execution du procédé selon l'une des revendications 1 a 9, comprenant
    - une chambre d'application (20) pour l'application permanente d'un produit de couverture,
    - un dispositif de transport pour le transport permanent d'objets de la chambre d'application (20) dans une zone de séchage vers un dispositif d'irradiation (10 à 19) pour le séchage du produit de couverture,
    dans lequel le dispositif de transport est conçu de manière à ce que la vitesse soit réglable de façon telle que l'objet puisse être apporté en moins de 5 secondes de la chambre d'application (20) au dispositif d'irradiation (10 à 19) et puisse être séché par ce dernier, dans lequel la zone de séchage est subdivisé en une zone partielle inférieure et une zone partielle supérieure, et dans lequel un refroidissement existe séparément dans la zone partielle superieure et dans la zone partielle inférieure.
EP99955871A 1998-12-10 1999-10-21 Revetement d'objets et sechage aux rayons infrarouges Expired - Lifetime EP1144129B2 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19857045A DE19857045C2 (de) 1998-12-10 1998-12-10 Beschichtung von Gegenständen
DE19857045 1998-12-10
PCT/EP1999/008003 WO2000033978A1 (fr) 1998-12-10 1999-10-21 Revetement d'objets et sechage aux rayons infrarouge

Publications (3)

Publication Number Publication Date
EP1144129A1 EP1144129A1 (fr) 2001-10-17
EP1144129B1 EP1144129B1 (fr) 2003-04-23
EP1144129B2 true EP1144129B2 (fr) 2006-09-27

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EP99955871A Expired - Lifetime EP1144129B2 (fr) 1998-12-10 1999-10-21 Revetement d'objets et sechage aux rayons infrarouges

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US (1) US6858261B1 (fr)
EP (1) EP1144129B2 (fr)
JP (1) JP2002531263A (fr)
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AU1265200A (en) 2000-06-26
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JP2002531263A (ja) 2002-09-24
WO2000033978A1 (fr) 2000-06-15
US6858261B1 (en) 2005-02-22
CA2353850A1 (fr) 2000-06-15
BR9916075A (pt) 2001-09-04
DE19857045C2 (de) 2001-02-01
ES2198971T3 (es) 2004-02-01
DE59905244D1 (de) 2003-05-28
EP1144129A1 (fr) 2001-10-17

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