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EP1426113B1 - Pulvérisateur rotatif pour le revêtement de pièces avec une laque à effets - Google Patents

Pulvérisateur rotatif pour le revêtement de pièces avec une laque à effets Download PDF

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Publication number
EP1426113B1
EP1426113B1 EP04002679A EP04002679A EP1426113B1 EP 1426113 B1 EP1426113 B1 EP 1426113B1 EP 04002679 A EP04002679 A EP 04002679A EP 04002679 A EP04002679 A EP 04002679A EP 1426113 B1 EP1426113 B1 EP 1426113B1
Authority
EP
European Patent Office
Prior art keywords
bell plate
spray edge
paint
paint material
bell
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
EP04002679A
Other languages
German (de)
English (en)
Other versions
EP1426113A3 (fr
EP1426113A2 (fr
Inventor
Andreas Fischer
Rolf Schneider
Kurt Vetter
Robert F. Heldt
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.)
Duerr Systems AG
Original Assignee
Duerr Systems AG
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
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Application filed by Duerr Systems AG filed Critical Duerr Systems AG
Publication of EP1426113A2 publication Critical patent/EP1426113A2/fr
Publication of EP1426113A3 publication Critical patent/EP1426113A3/fr
Application granted granted Critical
Publication of EP1426113B1 publication Critical patent/EP1426113B1/fr
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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
    • B05B3/00—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements
    • B05B3/02—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements
    • B05B3/10—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements discharging over substantially the whole periphery of the rotating member
    • B05B3/1064—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements discharging over substantially the whole periphery of the rotating member the liquid or other fluent material to be sprayed being axially supplied to the rotating member through a hollow rotating shaft
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
    • B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
    • B05B13/04—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work the spray heads being moved during spraying operation
    • B05B13/0447—Installation or apparatus for applying liquid or other fluent material to conveyed separate articles
    • B05B13/0452—Installation or apparatus for applying liquid or other fluent material to conveyed separate articles the objects being vehicle components, e.g. vehicle bodies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B3/00—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements
    • B05B3/02—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements
    • B05B3/10—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements discharging over substantially the whole periphery of the rotating member
    • B05B3/1007—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements discharging over substantially the whole periphery of the rotating member characterised by the rotating member
    • B05B3/1014—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements discharging over substantially the whole periphery of the rotating member characterised by the rotating member with a spraying edge, e.g. like a cup or a bell
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B3/00—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements
    • B05B3/02—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements
    • B05B3/10—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements discharging over substantially the whole periphery of the rotating member
    • B05B3/1035—Driving means; Parts thereof, e.g. turbine, shaft, bearings
    • B05B3/1042—Means for connecting, e.g. reversibly, the rotating spray member to its driving shaft
    • 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
    • B05B5/025—Discharge apparatus, e.g. electrostatic spray guns
    • B05B5/04—Discharge apparatus, e.g. electrostatic spray guns characterised by having rotary outlet or deflecting elements, i.e. spraying being also effected by centrifugal forces
    • B05B5/0403—Discharge apparatus, e.g. electrostatic spray guns characterised by having rotary outlet or deflecting elements, i.e. spraying being also effected by centrifugal forces characterised by the rotating member
    • B05B5/0407—Discharge apparatus, e.g. electrostatic spray guns characterised by having rotary outlet or deflecting elements, i.e. spraying being also effected by centrifugal forces characterised by the rotating member with a spraying edge, e.g. like a cup or a bell
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B3/00—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements
    • B05B3/02—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements
    • B05B3/10—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements discharging over substantially the whole periphery of the rotating member
    • B05B3/1092—Means for supplying shaping gas
    • 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
    • B05B5/025—Discharge apparatus, e.g. electrostatic spray guns
    • B05B5/04—Discharge apparatus, e.g. electrostatic spray guns characterised by having rotary outlet or deflecting elements, i.e. spraying being also effected by centrifugal forces
    • B05B5/0426—Means for supplying shaping gas

Definitions

  • the invention relates to a method for serial coating of workpieces such as motor vehicle bodies with paint particles containing effect particles, a corresponding coating system and the bell cup of an electrostatic rotary atomizer to be used for this purpose.
  • the coating material supplying the central opening of the bell cup is seated as a distributor disc designated deflecting part, which divides the material flow into partial streams, one of which passes directly to the Absprühkante leading overflow surface of the bell cup, while the other partial flow through central openings of the deflector on the front and only from there flows on the overflow surface of the bell cup.
  • the flow of material to the trailing edge is more or less turbulent due to relatively strong deflections in the area in front of the spray-off edge, which, among other things, results in considerable differences in the size of the droplet droplets the sprayed and atomized coating material result. The differences can be more than 100 ⁇ m.
  • JP 55-011064 A discloses a for metallic paint od. Like. To be used rotary atomizer with a bell cup in which the emerging from a central nozzle paint is radially deflected at a front of this central opening disc and sprayed onto an overflow surface with the axis of rotation in the direction of Absprühkante constant angle of about 25 °.
  • the overflow surface with the axis forms an angle of a little more than 50 °, but here the coating material does not emerge from a lying on the axis of rotation, ie coaxial with it central opening, but it is sprayed from the outside to the back of the deflection disc ,
  • Electrostatic rotary atomizers are characterized by high application efficiency (ratio of the amount sprayed to the applied amount) of about 80% and have long proven to apply normal paint materials.
  • the invention has for its object to provide a method and a coating system or the bell cup of a rotary atomizer, which allow a qualitatively flawless, especially cloud-free application of effect coatings with much greater application efficiency than before.
  • the invention enables a qualitatively optimal effect coating with the greatest possible application efficiency.
  • a substantial separation of the effect pigments and their very uniform distribution in the paint film is achieved, but above all, a flat orientation of the effect particles on the coated surface.
  • the applied droplets do not exceed a (measured after spraying and before impact) droplet diameter of 60 microns and should be between 10 to 60 microns and should contain one to two effect pigments to a Caribbeanballung the effect pigments avoid.
  • the applied droplets should have reached the highest possible solids content when hitting the object in order to avoid raising or floating the effect pigments.
  • the droplet size not only depends on the dynamic viscosity of the paint but is also influenced by the size of the bell-plate color flow angle along the overflow area and the diameter and geometry of the sprayer edge, and by the paint outflow rate and the bellcrank speed. Changes and agglomerations of the effect pigments are prevented by paint-preserving paint flow.
  • the desired high solids content of the applied droplets is achieved primarily by solvent losses when overflowing over the bell cup and on the way to the workpiece.
  • the flow angle between the axis of rotation and the overflow surface should remain constant at least in the region between the usual distributor disk and the spray-off edge and should be between 50 and 85 °.
  • the distributor disk diameter should preferably be less than 40% of the bell or sprayer edge diameter, which increases the exposed surface area of the overflow surface by reducing the distributor disk in comparison with conventional bell disks so that as much solvent as possible can evaporate out of the paint flowing over the overflow surface.
  • the diameter of the spray-off edge is preferably larger than previously customary, in particular 63 to 75 mm, whereby the surface is increased and at the same time the thickness of the paint film reaching the spray-off edge is reduced.
  • the rotary atomizer 20 shown in FIG. 1 may be known per se except for its bell cup 22 designed according to the invention (cf., for example, US Pat DE 43 06 800 C2 ) and therefore need not be described in detail. Only a ring of distributed around the axis of rotation, the conical outer surface of the bell cup 22 acted upon axial air nozzles 23 should be mentioned, which serve to form the istsprühten coating material. Appropriately may be present in the order of 30 nozzles that generate air flows with eg 100 m / min.
  • the rotationally symmetrically shaped bell cup 22 has a center opening 24 coaxial with the axis of rotation, through which the paint material to be sprayed from a paint tube 25 reaches the end face of the main body of the bell cup 22 facing the workpiece.
  • This end face consists of a relatively small surface area 28 which adjoins the central opening 24 and extends transversely to the axis of rotation, and a subsequent conical overflow area 30 which, as shown, runs continuously smoothly from the area 28 and at a constant angle with respect to the axis of rotation up to the spray-off edge 32 ,
  • the overflow surface in the section plane containing the rotation axis according to FIG. 2 forms a straight line up to the spray-off edge.
  • the constant angle of the overflow surface is in the illustrated example in the order of 60 °, according to the illustrated angle ⁇ of approximately 30 ° with respect to the spray-off edge.
  • a distributor disc deflector 40 In the axial direction in front of the central opening 24 serving as a distributor disc deflector 40 is arranged, which has a generally parallel to the surface portion 28 of the bell cup 22 extending rear surface 42 and then thereto a preferably parallel to the overflow surface 30 extending conical rear surface 44.
  • the deflector is provided with central openings (Fig. 4) and serves in a known manner for dividing the emerging from the central opening 24 coating material into partial streams, one of which flows directly between the surface area 28 and the rear surface 42 on the overflow surface 30 while the other Partial flow passes over the front of the deflection member 40 to the overflow surface 30 and there mixed with the first partial flow.
  • the top view of FIG. 3 shows the size ratios of the overflow surface 30 and the deflecting part 40.
  • the diameter of the deflecting part may be, for example, about 1/3 of the diameter of the spraying edge 32.
  • the spray-off edge may have a diameter of about 65 mm, the deflection part 40 a diameter of about 22 mm.
  • the bell cup 22 On its rear side facing away from the workpiece, the bell cup 22 has a mounting hub 31 for mounting in the rotary atomizer and a collar member 33 annularly surrounding the mounting hub with an external thread 34.
  • a frustoconical side wall 35 is screwed behind the spray edge 32 at the back of the Bell body can be welded or glued example.
  • the main body of the bell cup is therefore hollow in the space 38 behind the overflow surface 30, whereby the mass of the bell cup is reduced.
  • the overflow surface forms with the outer surface of the bell cup, ie the side wall 35 an acute angle of less than 45 °, in the illustrated Example about 30 °. It is also essential that the spraying edge 32 formed between the overflow surface 30 and a small bevel leading to the conical outer surface of the side wall 35 should be as sharp-edged as possible.
  • the rotary atomizer 20 described here serves for the application of basecoat
  • its bell cup 20 may expediently consist of a titanium alloy, preferably a TiAl alloy.
  • A1-based light metals may also be used, especially if other material such as e.g. Clearcoat should be applied.
  • the overflow surface 30 in the area in front of the spray-off edge 32 may contain the usual longitudinal grooves.
  • the deflection part 40 is shown enlarged in FIG. 4. Its central opening system 50 leading in a labyrinth-like manner from the rear surface onto the end face 52 contains e.g. four axial channels 54 and an over the mouths thereof as shown arranged transversely to the axis inner deflecting element.
  • the deflecting member 40 is releasably secured with preferably three spaced at equal angular intervals around the axis holding pins 56 with a press fit.
  • the gap-shaped intermediate space between the deflecting part 40 and the end face of the bell cup 22 (FIG. 2) facing it is interrupted only by the central disc-shaped spacers 58 of the holding pins 56.
  • the bell plate 22 described provides for smaller size deviations of the sprayed paint droplets than in conventional rotary atomizers, whereby a position control of the effect particles is facilitated.
  • the speed of the shaping air as well as the speed of the bell cup and the ink flow can be adjusted to force the effect particles be laid flat on the surface to be coated. Due to the small size differences of the paint droplets, these parameters can be optimized for a high percentage of the paint material for the desired color effect.
  • the smaller droplet size deviation is a result of various essential aspects of the bell cup 22 and the deflection member 40.
  • the larger annular overflow surface 30, a higher proportion of the solvent (which is known in the case of water paint to a large extent Water acts) evaporates before the paint material reaches the spray edge 32. Due to the relatively large diameter of the spray-off edge 32 forms on this an advantageously thin paint film.
  • the small ratio of the diameter of the deflecting member 40 to the Absprühkante 32 provides for more constant, laminar material flow over the overflow surface 30 to the spray edge 32.
  • the conical overflow surface 30 from the deflector 40 to Absprühkante 32 is continuous and smooth and a constant angle ⁇ with the Absprühkante forms, also the Lackflußrate is constant up to the spray edge, ie there are no oscillations. As a result, better control of paint droplet size results.
  • the bell cup 22 described causes only little flow direction deviations between the central opening 24 and the spray edge 32, and only relatively close to the center opening 24, resulting in a constant, substantially laminar paint flow at the spray edge 32 and therefore also smaller droplet size deviations.
  • a bell cup 100 is shown according to another embodiment of the invention, which also has a slightly different deflector 110 and causes even fewer deviations in direction between the central opening 112 and the Absprühkante 132 than in the embodiment of Fig. 2.
  • the overflow 126th forming rectilinear conical part of the end face of the bell body extends here namely directly from the Central opening 112 to Absprühkante 132.
  • the overflow 126 thus contains no perpendicular to the axis extending part (as the surface area 28 in Fig. 2). This further improves the laminar paint flow and further reduces droplet size variations.
  • the diverter 110 here has a substantially rectilinear conical rear surface 144 adjacent a central rounded rear surface portion, thereby minimizing directional changes in paint flow.
  • the rear surface 144 of the deflecting parallel to the end face of the bell body, and the annular gap-shaped space is interrupted only by axially parallel retaining pins for releasably securing the deflecting 110, one of which is shown schematically at 56 '.
  • the openings leading from the rear side to the end face of the deflecting part 110 consist of simple bores 154 which are inclined with respect to the axis of rotation.
  • FIG. 6 shows a possible arrangement of the rotary atomizers 20 (FIG. 1) used in the coating zone 150 of a spray booth for the coating of motor vehicle bodies with basecoat.
  • the body 152 moves in the direction of the arrow shown.
  • Coating zone 150 is illustratively comprised of 13 double-jet rotary atomizers. Paint.
  • the base coat was applied with nine rotary atomizers and six air atomizers, so that the length of the coating zone 150 can be reduced by about 1/3.
  • two rotary atomizers 20 are provided for the first application of paint.
  • rotary atomizers are moved up and down vertically for the first inking.
  • the next side machines 160 each have two vertically and horizontally staggered rotary atomisers, the arms 161a for three-axis contour movements and fixed arms 161b for the coating further body parts are arranged. Another pair of side machines 162 is provided for a second side coating, in particular of the vehicle doors. Finally, a second roofing machine 164 with three rotary atomizers 20 provides for a second coating of the horizontal vehicle surfaces.
  • conventional rotary atomizers may also be used whose application efficiency may be reduced. may be slightly higher than that of the atomizer according to the invention described herein. In any case, however, the overall efficiency is significantly higher (e.g., about 75%) than that of known systems for the application of paint particle containing effect particles while still improving quality.

Landscapes

  • Nozzles (AREA)
  • Electrostatic Spraying Apparatus (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)

Claims (13)

  1. Procédé pour le revêtement en série de pièces telles que des carrosseries de véhicules automobiles avec une peinture contenant des particules à effets en utilisant un pulvérisateur rotatif électrostatique (20), comportant un plateau à cloche (200, 100) tournant, sur sa face frontale duquel la peinture contenant les particules à effets est guidée par une surface de trop-plein (30, 126) vers un bord de pulvérisation (32, 132) d'où les gouttelettes de peinture, contenant des particules à effets, pulvérisées vont sur la pièce travaillée,
    la peinture du bord de pulvérisation sur la surface de trop-plein (30,126) étant dirigée, dans la zone de surface voisine du bord de pulvérisation (32, 132) dans une direction qui forme avec l'axe de rotation un angle de 50° à 85° qui reste essentiellement constant en direction du bord de pulvérisation,
    et l'angle constant entre la surface de trop-plein (30,126) et l'axe de rotation, le diamètre du bord de pulvérisation (32, 132), la vitesse de rotation du plateau à cloche et le débit d'écoulement de la peinture sont choisis de telle façon que les gouttelettes de peinture appliquées sont, pour la plus grande part, plus petits que 60 µm.
  2. Procédé selon la revendication 1, caractérisé en ce que le plateau à cloche (22, 100) tourne à une vitesse de 50.000 à 80.000 t/mn.
  3. Procédé selon la revendication 1 ou 2, caractérisé en ce que la peinture s'écoule vers le bord de pulvérisation (32, 132) à au maximum 250 ml/ mn.
  4. Plateau à cloche pour un pulvérisateur rotatif électrostatique pour le revêtement en série de pièces telles que des carrosseries de véhicules automobiles avec une peinture contenant des particules à effets, qui présente sur sa face frontale tournée vers la pièce une surface de trop-plein (30, 126) pour le matériau de revêtement, laquelle s'étend généralement coniquement entre une ouverture centrale (24, 112) coaxiale à l'axe de rotation, guidant le matériau de revêtement sur la face frontale du plateau à cloche, et un bord de pulvérisation (32, 132) de forme annulaire
    caractérisé en ce que
    la surface de trop-plein (30, 126) forme, dans la zone attenante au bord de pulvérisation (32, 132), avec l'axe de rotation, un angle de 50° à 85° qui reste sensiblement constant en direction du bord de pulvérisation, et en ce que la longueur, mesurée en direction du bord de pulvérisation (32, 132), de la zone attenante au bord de pulvérisation d'angle constant est sensiblement supérieure à celle de la surface de trop-plein (28) entre l'ouverture centrale (24) et la zone d'angle constant, ou la zone d'angle constant s'étend depuis le bord de pulvérisation (132) sensiblement jusqu'à l'ouverture centrale (112).
  5. Plateau à cloche selon la revendication 4, caractérisé en ce que l'angle constant est d'un ordre de grandeur de 60°.
  6. Plateau à cloche selon la revendication 4 ou 5, comportant une partie de déflexion (40, 110) disposée axialement devant l'ouverture centrale (24, 112), caractérisé en ce que la zone d'angle constant s'étend depuis le bord de pulvérisation (32, 132) jusqu'à la partie de déflexion (40, 110) ou au-dessous de celle-ci.
  7. Plateau à cloche selon la revendication 6, caractérisé en ce que la surface intérieure (42) tournée à l'opposé de la pièce, de la partie de déflexion (40), s'étend sensiblement parallèlement à la surface de trop-plein (28, 30) opposée.
  8. Plateau à cloche selon la revendication 6 ou 7, caractérisé en ce que l'interstice en forme de fente entre la surface intérieure (42) tournée à l'opposé de la pièce, de la partie de déflexion (40) et la surface de trop-plein (28, 30), n'est interrompu que par des éléments à broche axiaux (56) par lesquels la partie de déflexion (40) est fixée de manière amovible au plateau à cloche (22).
  9. Plateau à cloche selon la revendication 6 à 8, caractérisé en ce que
    le diamètre de la circonférence circulaire de la partie de déflexion (40, 110) est inférieur à 40 % du diamètre du bord de pulvérisation (32, 132).
  10. Plateau à cloche selon l'une des revendications 4 à 9, caractérisé en ce que le diamètre du bord de pulvérisation (32) est d'environ 63 à 75 mm.
  11. Plateau à cloche selon l'une des revendications 4 à 10, caractérisé en ce que la surface de trop-plein (30, 126) forme un bord de pulvérisation (32) à arête vive avec la surface extérieure latérale (35) du plateau à cloche (22) ou un biseau ou surface de transition menant à la surface extérieure latérale.
  12. Plateau à cloche selon l'une des revendications 4 à 11, caractérisé en ce que la surface extérieure (35) généralement conique du plateau à cloche (22) avec la surface de trop-plein (30) conique forme un angle aigu inférieur à 45° et le plateau à cloche (22) contient une cavité (38) entre ces surfaces.
  13. Installation de revêtement pour le revêtement en série de pièces telles que par exemple des carrosseries de véhicules automobiles avec une peinture contenant des particules à effet en utilisant un pulvérisateur rotatif électrostatique (20), avec un plateau à cloche (22, 100), lequel possède, sur sa face frontale tournée vers la pièce, une surface de trop-plein (30, 126) pour le matériau de revêtement, laquelle s'étend généralement coniquement entre une ouverture centrale (24, 11) coaxiale à l'axe de rotation, guidant le matériau de revêtement sur la face frontale (28) du plateau à cloche (22, 100), et un bord de pulvérisation (32, 123) de forme annulaire,
    avec deux groupes comprtant chacun plusieurs pulvérisateurs rotatifs (20) disposés les uns derrière les autres dans le sens du déplacement des pièces (152), dans une zone de revêtement (150) qui sont montés sur des machines de revêtement (156, 164) pour le revêtement double de différentes zones des pièces (152),
    Les pulvérisateurs (20) d'un groupe, auxquel la peinture contenant des pigments à effets est amenée, sont équipés de plateau à cloche (22, 100) dont la surface de trop plein (130, 126) forme, dans la zone attenante au bord de pulvérisation (32, 132), avec l'axe de rotation vers le bord de pulvérisation (32, 132) un angle de 50° à 85° qui reste constant.
EP04002679A 1998-03-27 1999-03-25 Pulvérisateur rotatif pour le revêtement de pièces avec une laque à effets Expired - Lifetime EP1426113B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US7956598P 1998-03-27 1998-03-27
US79565P 1998-03-27
EP99106063A EP0951942B1 (fr) 1998-03-27 1999-03-25 Procédé et pulvérisateur rotatif pour le revêtement en série de pièces

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP99106063A Division EP0951942B1 (fr) 1998-03-27 1999-03-25 Procédé et pulvérisateur rotatif pour le revêtement en série de pièces

Publications (3)

Publication Number Publication Date
EP1426113A2 EP1426113A2 (fr) 2004-06-09
EP1426113A3 EP1426113A3 (fr) 2004-07-14
EP1426113B1 true EP1426113B1 (fr) 2007-11-28

Family

ID=22151348

Family Applications (2)

Application Number Title Priority Date Filing Date
EP99106063A Expired - Lifetime EP0951942B1 (fr) 1998-03-27 1999-03-25 Procédé et pulvérisateur rotatif pour le revêtement en série de pièces
EP04002679A Expired - Lifetime EP1426113B1 (fr) 1998-03-27 1999-03-25 Pulvérisateur rotatif pour le revêtement de pièces avec une laque à effets

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP99106063A Expired - Lifetime EP0951942B1 (fr) 1998-03-27 1999-03-25 Procédé et pulvérisateur rotatif pour le revêtement en série de pièces

Country Status (5)

Country Link
US (4) US6189804B1 (fr)
EP (2) EP0951942B1 (fr)
CA (1) CA2267027C (fr)
DE (2) DE59914567D1 (fr)
ES (2) ES2295711T3 (fr)

Families Citing this family (57)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6189804B1 (en) * 1998-03-27 2001-02-20 Behr Systems, Inc. Rotary atomizer for particulate paints
US8141797B2 (en) 2001-01-25 2012-03-27 Durr Systems Inc. Rotary atomizer for particulate paints
DE19938093B4 (de) * 1999-08-12 2018-02-08 Dürr Systems Ag Verfahren und Rotationszerstäuber zum serienweisen Beschichten von Werkstücken
US6578779B2 (en) 2000-10-18 2003-06-17 Behr Systems, Inc. Rotary atomizer with bell element
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US6623561B2 (en) 2003-09-23
US20010015384A1 (en) 2001-08-23
EP0951942B1 (fr) 2004-05-26
US7017835B2 (en) 2006-03-28
CA2267027C (fr) 2011-11-22
ES2295711T3 (es) 2008-04-16
US6189804B1 (en) 2001-02-20
DE59909556D1 (de) 2004-07-01
ES2218895T3 (es) 2004-11-16
CA2267027A1 (fr) 1999-09-27
DE59914567D1 (de) 2008-01-10
US6360962B2 (en) 2002-03-26
US20010001946A1 (en) 2001-05-31
EP0951942A3 (fr) 2002-03-20
EP1426113A2 (fr) 2004-06-09

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