EP1884365A1 - Farbauftragegerät und Beschichtungsverfahren - Google Patents

Farbauftragegerät und Beschichtungsverfahren Download PDF

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Publication number
EP1884365A1
EP1884365A1 EP06118074A EP06118074A EP1884365A1 EP 1884365 A1 EP1884365 A1 EP 1884365A1 EP 06118074 A EP06118074 A EP 06118074A EP 06118074 A EP06118074 A EP 06118074A EP 1884365 A1 EP1884365 A1 EP 1884365A1
Authority
EP
European Patent Office
Prior art keywords
paint
nozzles
applicator head
ejection
applicator
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP06118074A
Other languages
English (en)
French (fr)
Inventor
Knut Aaskildt
Dagfin Brodtkorb
Karl-Petter Lindegaard
Hallgeir Melbo
Svein Arne Morud
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.)
ABB Research Ltd Switzerland
ABB Research Ltd Sweden
Original Assignee
ABB Research Ltd Switzerland
ABB Research Ltd Sweden
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ABB Research Ltd Switzerland, ABB Research Ltd Sweden filed Critical ABB Research Ltd Switzerland
Priority to EP06118074A priority Critical patent/EP1884365A1/de
Publication of EP1884365A1 publication Critical patent/EP1884365A1/de
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J3/00—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
    • B41J3/407—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for marking on special material
    • B41J3/4073—Printing on three-dimensional objects not being in sheet or web form, e.g. spherical or cubic objects
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/14—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening
    • 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
    • B05B12/04—Arrangements for controlling delivery; Arrangements for controlling the spray area for controlling time, or sequence, of delivery for sequential operation or multiple outlets
    • 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 conveyed articles being 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
    • 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
    • B05B12/12—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 conditions of ambient medium or target, e.g. humidity, temperature position or movement of the target relative to the spray apparatus
    • B05B12/124—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 conditions of ambient medium or target, e.g. humidity, temperature position or movement of the target relative to the spray apparatus responsive to distance between spray apparatus and target

Definitions

  • the invention concerns a coating device for coating objects.
  • the invention discloses an improved paint applicator suitable for automated or robotic installations for painting of automobiles and automobile parts.
  • inkjet components may be based on different principles: often thermal or piezoelectric actuation of a fluid (ink) within a cavity drives the fluid out through a relatively small nozzle forming a droplet at the output of the inkjet nozzle.
  • US 4,646,110 entitled Liquid ejection recording apparatus, assigned to Canon describes a type of thermal inkjet, also known as a bubble jet, in which the ink is heated in a tiny tube to create a small bubble of vapour in the ink. The bubble created by the heat drives a droplet of ink out of a nozzle.
  • US 4,937,678 entitled: Color image enlarging ink jet printer, to Murai et al, assigned to L.A.C. Corporation describes an ink jet printer in the form of a spray gun head equipped with a compressed air supply for spraying ink onto e.g. a surface of a wall.
  • the device is arranged with a CPU processing image signals inputted from a television camera and a mechanism for driving the spray gun head in an X and/or Y direction.
  • an improvement is provided in the form of an applicator head for applying paint to an object surface, said applicator comprising at least one fluid supply channel and at least one outlet for paint, the at least one outlet being arranged with actuation means for producing a pressure pulse in the paint so arranged capable of causing a small quantity of paint to be ejected from the at least one outlet, which said applicator is characterised by a plurality of nozzles each arranged for ejection of small quantities of paint.
  • an improvement is provided in the form of an applicator head for applying paint to an object surface, said applicator comprising at least one fluid supply channel and at least one outlet for paint, the at least one outlet being arranged with actuation means for producing a pressure pulse in the paint so arranged capable of causing a small quantity of paint to be ejected from the at least one outlet, which said applicator is characterised in that the plurality of nozzles are arranged such that ejection of paint from any one nozzle of the plurality of nozzles may be controlled separately.
  • an improvement is provided in the form of an applicator head for applying paint to an object surface, said applicator comprising at least one fluid supply channel and at least one outlet for paint, the at least one outlet being arranged with actuation means for producing a pressure pulse in the paint so arranged capable of causing a small quantity of paint to be ejected from the at least one outlet, which said applicator is characterised in that the means for producing a pressure pulse in the paint are arranged to produce a pressure such that a continuous flow of paint is ejected.
  • an improvement is provided in the form of an applicator head for applying paint to an object surface, said applicator comprising at least one fluid supply channel and at least one outlet for paint, the at least one outlet being arranged with actuation means for producing a pressure pulse in the paint so arranged capable of causing a small quantity of paint to be ejected from the at least one outlet, which said applicator is characterised the means for producing a pressure pulse in the paint are arranged to produce pressure pulses such that a flow of paint droplets is ejected.
  • an improvement is provided in the form of an applicator head for applying paint to an object surface, said applicator comprising at least one fluid supply channel and at least one outlet for paint, the at least one outlet being arranged with actuation means for producing a pressure pulse in the paint so arranged capable of causing a small quantity of paint to be ejected from the at least one outlet, which said applicator is characterised the ejection of paint from any one of the plurality of nozzles may be controlled separately by a signal received by the actuation means for producing a pressure pulse in the paint.
  • an improvement is provided in the form of an applicator head for applying paint to an object surface, said applicator comprising at least one fluid supply channel and at least one outlet for paint, the at least one outlet being arranged with actuation means for producing a pressure pulse in the paint so arranged capable of causing a small quantity of paint to be ejected from the at least one outlet, which said applicator is characterised by that the ejection of paint from any one or more nozzle of the plurality of nozzles may be separately controlled to eject paint and coat a said object.
  • an improvement is provided in the form of an applicator head for applying paint to an object surface, said applicator comprising at least one fluid supply channel and at least one outlet for paint, the at least one outlet being arranged with actuation means for producing a pressure pulse in the paint so arranged capable of causing a small quantity of paint to be ejected from the at least one outlet, which said applicator is characterised in that small quantities of paint are ejected from any one or more of the plurality of nozzles with a frequency of ejection that is controlled dependent on any deviation of the object surface from a flat plane so that a layer is coated on the surface of said object surface.
  • an improvement is provided in the form of an applicator head for applying paint to an object surface, said applicator comprising at least one fluid supply channel and at least one outlet for paint, the at least one outlet being arranged with actuation means for producing a pressure pulse in the paint so arranged capable of causing a small quantity of paint to be ejected from the at least one outlet, which said applicator is characterised in that the ejection of paint from any one or more of the plurality of nozzles is controlled or switched on and off dependent on the position of each of the any one or more nozzles relative the position of the remaining plurality of nozzles.
  • an improvement is provided in the form of an applicator head for applying paint to an object surface, said applicator comprising at least one fluid supply channel and at least one outlet for paint, the at least one outlet being arranged with actuation means for producing a pressure pulse in the paint so arranged capable of causing a small quantity of paint to be ejected from the at least one outlet,
  • said applicator is characterised in that the applicator head may comprise two or more separate arrays of nozzles arranged moveable relative one another to coat a predefined layer on a said object of which a part of said object may be not flat or not continuous.
  • an improvement is provided in the form of an applicator head for applying paint to an object surface, said applicator comprising at least one fluid supply channel and at least one outlet for paint, the at least one outlet being arranged with actuation means for producing a pressure pulse in the paint so arranged capable of causing a small quantity of paint to be ejected from the at least one outlet,
  • said applicator is characterised in that the applicator head comprises two or more separate arrays of nozzles arranged mounted on a flexible or bendable part and moveable relative one another to focus two or more paint streams ejected from the two or more arrays and coat a layer on at least part of a said object.
  • an improvement is provided in the form of an applicator head for applying paint to an object surface, said applicator comprising at least one fluid supply channel and at least one outlet for paint, the at least one outlet being arranged with actuation means for producing a pressure pulse in the paint so arranged capable of causing a small quantity of paint to be ejected from the at least one outlet, which said applicator is characterised in that one or more nozzles of the applicator head comprises an actuation means which is any from the group of: an electro-resistive element, a piezoelectric element, a magnetostrictive element, other electro-mechanical transducer device.
  • a method for applying paint to an object surface by means of an applicator head comprising at least one fluid supply channel and at least one outlet for paint, the at least one outlet being arranged with means for producing a pressure pulse in the paint so causing a small quantity of paint to be ejected from the at least one outlet, characterised by a step of ejecting a small quantity of paint from any of a plurality of nozzles arranged comprised in said applicator head.
  • an improved system for applying paint to an object surface, comprising an apparatus with at least one applicator head, said applicator head comprising at least one fluid supply channel and at least one outlet for paint, the at least one outlet being arranged with means for producing a pressure pulse in the paint so causing a small quantity of paint to be ejected from the at least one outlet, characterised in that the at least one said applicator head comprises a plurality of nozzles each arranged for ejection of small quantities of paint.
  • an improved paint applicator which is similar to and in some ways developed from a modified inkjet device.
  • the improved paint applicator has the potential to reduce cost not only of present day paint applicators but also to reduce the heavy requirements for upstream process elements and thereby both weight and cost. Reduction of weight for the paint applicator and of the upstream process elements is important since all or most of the process equipments are arranged mounted on the arm of a robot or manipulator and thus and determine the size and cost of the robot or manipulator arm itself.
  • inkjet components may be based on different principles: often thermal or piezoelectric actuation of the fluid within a cavity drives the fluid through a relatively small nozzle forming a droplet at the output of the nozzle. More information may be found in the previously mentioned applications US 5,664,341 ; US 6,499,837 ; US 4,646,110 .
  • the actuator may be applied at a relatively high frequency and a stream of essentially identical droplets are thrown out of the device.
  • a matrix of cavities, actuators and nozzles may be formed into a single structure and the actuators of each nozzle can usually be controlled individually so that for instance the high definition patterns of standard inkjet printers is obtained.
  • An "inkjet paint applicator” has to be closer to the target, such as an automobile body, than current applicators during the traditional paint process.
  • the close proximity offers a potential for lower paint loss.
  • the individual control of the nozzles in a matrix of an inkjet applicator offers the possibility to save paint, for instance when the applicator moves across an edge or corner of the target.
  • An additional advantage of the principles is that the use of the very expensive and sophisticated high voltage electrostatically assisted paint application system may, in some cases, prove unnecessary due to low paint losses achieved when using the inkjet applicator. If electrostatic assistance is still needed, a much lower voltage is necessary for the same field strength due to much lower distance between applicator and target.
  • the principle advantage of the improved paint applicator is a more effective paint transfer to the coating target, with reduced paint loss. In part this is because the applicator head is operated close to the target, and considerably closer than traditional spray gun or bell applicator heads.
  • Another benefit of the invention is a greatly reduced paint loss in respect of cleaning the applicator head and nozzles.
  • traditional painting with a spray gun or bell applicator the applicator is flushed through on a repeated basis.
  • the paint loss is reduced.
  • the volume of paint containing cavities or channels is very small. Accordingly, for situations where a solvent is used to clean any paint residues in the inkjet paint applicator and possibly upstream process equipment as well, the amount of solvent necessary is correspondingly reduced.
  • Another advantage particular to the improved paint applicator is that very rapid control over flow from the inkjet applicator is achieved.
  • the applicator may be switched on or off very rapidly, as compared to, say, a bell applicator.
  • a bell applicator may take one or more seconds to switch on or off.
  • the inkjet applicator fires or switches at a high frequency, and may so be switched on or off within a fraction of a second.
  • This technical improvement gives better control over coating, and especially during coating involving changes of shape of the target. This may involve changes in surface such as painting over an edge or corner, and painting concave and convex shapes, protrusions or recesses in the surface.
  • the compact size and shape of the improved applicator together with the elimination of a compressed air supply for propelling the paint out of a spray gun in normal operation means that the applicator has a lighter weight.
  • Normally supply lines, valves and regulators for each supply of process air and compressed air are arranged at the applicator.
  • the improved applicator head gives a perhaps unexpected benefit in that a reduction in weight of the applicator due in part to leaving out the compressed air equipment. This in turn means reduced demands in terms of power acceleration on the robot structure and motors in order to carry the applicator which is mounted at the end of a robot arm.
  • the method may be carried out or controlled by a computing device comprising one or more microprocessor units or computers.
  • the control unit(s) comprises memory means for storing one or more computer programs for carrying out the improved methods for controlling the operation of an improved paint applicator.
  • a computer program contains instructions for the processor to perform the method as mentioned above and described in more detail below.
  • the computer program is provided on a computer readable data carrier such as a DVD, an optical or a magnetic data device, a memory device or programmable memory device, as firmware, or supplied via a data network from a server, data server or similar.
  • inkjet-type components may be based one or more of: mechanical, thermal or piezoelectric actuation of a fluid within a cavity.
  • the actuation drives the fluid out from the cavity through a relatively small nozzle forming a droplet at the output of the nozzle.
  • Each inkjet-type nozzle is arranged with means for ejection and/or control of paint droplets.
  • the improved applicator head for applying a coating of paint comprises a group, array or matrix of ejector nozzles.
  • the improved applicator head is also arranged with one or more means for communicating control signals and/or means to transfer power (such as electrical power, compressed air etc) to the nozzles in the applicator head to control and/or power the actuation means of the nozzles comprised in the matrix.
  • power such as electrical power, compressed air etc
  • Figure 5 shows a general schematic of a cross section of a group of an inkjet type fluid ejectors. It comprises a nozzle 57, which is the exit for a cavity 56 containing the fluid to be ejected. Each cavity 56 is supplied with fluid eg paint P by an inlet means such as inlet 50.
  • An actuation means, an inkjet ejector means or actuation means 54 periodically exerts a pressure on the fluid in cavity 56, to eject a drop (or droplet) D from the nozzle 57.
  • the actuator or inkjet ejector means 54 is supplied via a terminal or connection point 51 with power to actuate the actuation means, for example, an electric pulse.
  • the electric pulse is commonly used to superheat a resistive element and form a vapour bubble that exerts pressure.
  • An electric pulse may also be used to power a piezoelectric crystal, a magnetostrictive element or other electromechanical transducer device.
  • Figure 1 shows a schematic layout for an improved applicator head.
  • the figure shows a group 3 of nozzles which in this example are formed in the shape of a matrix or array.
  • the matrix of nozzles 3 is arranged in housing of the applicator head.
  • the applicator head is supplied with paint P in a controlled way.
  • the nozzles when actuated produce a stream of droplets D which are directed towards a target to be coated.
  • the nozzles are usually arranged substantially perpendicular to a target surface S.
  • the applicator head may be moved over the surface S at a substantially fixed distance or height from surface in a plane parallel to the surface or in for example a horizontal plane in which it may be moved along any path in the plane, x or y.
  • Figure 2a shows that two matrices of nozzles, or two applicator heads may be arranged together.
  • Figure 3b shows an arrangement of two matrices or applicator heads arranged together.
  • One matrix or applicator head is directed in a different direction from the other, with a difference of angle ⁇ (alpha).
  • a group of inkjet devices (each of which consisting of a matrix 3 of nozzles) may be mounted on a "flexible substrate" of some kind or mounted in some other way to be moveable with respect to one another.
  • the arrangement may be actuated to bend or be bent, angled and so on into a shape depending on or according to the shape of the target.
  • two or more matrices 3 or arrays of nozzles may be arranged moveable relative to one another to "focus" on a small radius curve or other surface feature. This is a way to optimize the paint result, in particular when, for example, paint droplets being ejected at right angles to the surface gives better and more predictable results.
  • a "bending matrix” may be used to focus the paint beam or cloud to achieve higher intensity at the target when so required. For example when coating a convex shape in a surface or coating a surface containing a hole, passageway or recess.
  • Figure 3 is a schematic diagram for operating an array or nozzle matrix relative to a direction of movement.
  • the figure shows a relative direction of travel T of a nozzle matrix 3 above a target (not shown).
  • Nozzle matrix 3 is shown in four states. In each state, a group of nozzles 5 are actuated, switched on, and thus ejecting droplets of paint.
  • the nozzles or groups of nozzles 5 switched on vary according to the direction of travel. In this way the amount of paint ejected may be controlled dependent the direction the applicator head is moved in, which may in turn be dependent on the shape etc of the surface to be coated.
  • FIG. 4 shows a flowchart for a method to operate the improved applicator head according to another aspect of the invention.
  • each of the separate nozzles singly or in groups may be activated to eject droplets at the same time or at different times.
  • a computer program calculates which of the nozzles shall be fired or switched on in the next firing pulse.
  • a predetermined pattern or group of nozzles and or matrices may be selected instead or as well in part.
  • a length of time for which the selected nozzles shall remain switched on may be calculated or retrieved from a predetermined value, stored pattern or signal; or else the process may skip 14' and go direct from step 12 to step 16, and switch on the nozzles that were preselected at 12. At the required time, the nozzles are switched off 18.
  • a sequence such as 12-14'-16-18 or 12-16-18 may be repeated over and over again, as indicated by Loop 19. In another embodiment the sequence may comprise in part steps 12-18 only and/or repeated loops thereof.
  • the nozzle matrix or array is arranged to cooperate with one or more with sensors, for example proximity sensors, that may detect if the inkjet applicator approaches a corner or edge of the target.
  • sensors for example proximity sensors
  • Such senor measurements may be used to assist the control system to turn off or otherwise control the paint matrix actuators of the paint applicator head(s).
  • the applicator head is mounted on a robot arm or a manipulator arm the scheme of regulation of individual nozzles will be coordinated with the robot arm position/movement control.
EP06118074A 2006-07-28 2006-07-28 Farbauftragegerät und Beschichtungsverfahren Withdrawn EP1884365A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP06118074A EP1884365A1 (de) 2006-07-28 2006-07-28 Farbauftragegerät und Beschichtungsverfahren

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EP06118074A EP1884365A1 (de) 2006-07-28 2006-07-28 Farbauftragegerät und Beschichtungsverfahren

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DE102008061203A1 (de) * 2008-12-09 2010-06-10 Rehau Ag + Co Verfahren zum Lackieren einer dreidimensionalen Oberfläche eines Bauteils
US9221066B2 (en) 2013-11-13 2015-12-29 Honda Motor Co., Ltd. Multi-head electrostatic painting apparatus
EP2337688B1 (de) 2008-10-24 2016-09-14 Dürr Systems GmbH Beschichtungseinrichtung und zugehöriges beschichtungsverfahren
EP3213823A1 (de) * 2016-03-04 2017-09-06 Exel Industries Beschichtungsvorrichtung, mehrachsiger roboter mit einer solchen beschichtungsvorrichtung sowie entsprechendes beschichtungsverfahren
EP3292914A1 (de) * 2016-09-12 2018-03-14 The Boeing Company Endeffektor für druckkopf mit variablem durchmesser
CN108057543A (zh) * 2016-11-09 2018-05-22 波音公司 合并阵列式涂料和喷墨式印刷的涂料过程的集成自动化
WO2018108562A1 (de) * 2016-12-14 2018-06-21 Dürr Systems Ag Beschichtungseinrichtung und zugehöriges betriebsverfahren
WO2018108570A1 (de) * 2016-12-14 2018-06-21 Dürr Systems Ag Beschichtungsverfahren und entsprechende beschichtungseinrichtung
ES2677730A1 (es) * 2017-02-06 2018-08-06 Maier, S. Coop. Procedimiento de fabricación de un embellecedor con parte decorativa impresa para un vehículo, sistema para la ejecución del procedimiento y embellecedor con parte decorativa impresa
GB2570755A (en) * 2012-03-22 2019-08-07 Burkhard Buestgens Coating surfaces by a DOD application method
US10792693B2 (en) 2018-01-30 2020-10-06 Ford Motor Company Ultrasonic applicators with UV light sources and methods of use thereof
EP3725419A1 (de) 2019-04-19 2020-10-21 Exel Industries Applikator für beschichtungsmittel, auftragsanlage, die einen solchen applikator umfasst, und auftragsverfahren mithilfe dieses applikators
US11097291B2 (en) 2016-01-14 2021-08-24 Dürr Systems Ag Perforated plate with increased hole spacing in one or both edge regions of a row of nozzles
US11167308B2 (en) 2016-12-14 2021-11-09 Dürr Systems Ag Print head for the application of a coating agent on a component
US11167302B2 (en) 2016-12-14 2021-11-09 Dürr Systems Ag Coating device and associated operating method
US11167297B2 (en) 2016-12-14 2021-11-09 Dürr Systems Ag Print head for the application of a coating agent
US11298717B2 (en) 2016-12-14 2022-04-12 Dürr Systems Ag Print head having a temperature-control device
FR3115716A1 (fr) * 2020-11-05 2022-05-06 Exel Industries Procede et installation d’application d’un produit de revetement sur une surface
US11338312B2 (en) 2016-12-14 2022-05-24 Dürr Systems Ag Print head and associated operating method
US11440035B2 (en) 2016-12-14 2022-09-13 Dürr Systems Ag Application device and method for applying a multicomponent coating medium
WO2022229209A1 (en) 2021-04-28 2022-11-03 Allnex Netherlands B.V. Process for overspray-free application of a resin composition and resin compositions for use in the process
US11504735B2 (en) 2016-12-14 2022-11-22 Dürr Systems Ag Coating device having first and second printheads and corresponding coating process
US11529645B2 (en) 2016-01-14 2022-12-20 Dürr Systems Ag Perforated plate with a reduced diameter in one or both edge regions of a row of nozzles
DE102021121060A1 (de) 2021-08-13 2023-02-16 Bayerische Motoren Werke Aktiengesellschaft Applikationskopf, Applikationsvorrichtung sowie Fahrzeugteil
US11944990B2 (en) 2016-12-14 2024-04-02 Dürr Systems Ag Coating device for coating components
US11975345B2 (en) 2016-12-14 2024-05-07 Dürr Systems Ag Coating installation and corresponding coating method

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