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EP0904848A1 - Procédé et installation de revêtement d'objets en série - Google Patents

Procédé et installation de revêtement d'objets en série Download PDF

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Publication number
EP0904848A1
EP0904848A1 EP98117999A EP98117999A EP0904848A1 EP 0904848 A1 EP0904848 A1 EP 0904848A1 EP 98117999 A EP98117999 A EP 98117999A EP 98117999 A EP98117999 A EP 98117999A EP 0904848 A1 EP0904848 A1 EP 0904848A1
Authority
EP
European Patent Office
Prior art keywords
connecting line
displacer
coating material
valve
line
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.)
Granted
Application number
EP98117999A
Other languages
German (de)
English (en)
Other versions
EP0904848B1 (fr
Inventor
Manfred Sandmann
Reinhold Dr. Grau
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
Application filed by Duerr Systems AG filed Critical Duerr Systems AG
Publication of EP0904848A1 publication Critical patent/EP0904848A1/fr
Application granted granted Critical
Publication of EP0904848B1 publication Critical patent/EP0904848B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
    • B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
    • B08B9/027—Cleaning the internal surfaces; Removal of blockages
    • B08B9/04—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes
    • B08B9/053—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved along the pipes by a fluid, e.g. by fluid pressure or by suction
    • B08B9/055—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved along the pipes by a fluid, e.g. by fluid pressure or by suction the cleaning devices conforming to, or being conformable to, substantially the same cross-section of the pipes, e.g. pigs or moles
    • 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
    • B05B12/14—Arrangements for controlling delivery; Arrangements for controlling the spray area for supplying a selected one of a plurality of liquids or other fluent materials or several in selected proportions to a spray apparatus, e.g. to a single spray outlet
    • B05B12/1481—Arrangements for controlling delivery; Arrangements for controlling the spray area for supplying a selected one of a plurality of liquids or other fluent materials or several in selected proportions to a spray apparatus, e.g. to a single spray outlet comprising pigs, i.e. movable elements sealingly received in supply pipes, for separating different fluids, e.g. liquid coating materials from solvent or air
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
    • B05B15/50—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter
    • B05B15/55—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter using cleaning fluids

Definitions

  • the invention relates to a method according to the preamble of claim 1 and a device for performing a such procedure.
  • the invention is particularly suitable for coating systems for example for the series coating of motor vehicle bodies, in which the available paint materials are different Color usually circulate in ring lines which they have via a valve arrangement serving as a color changer and reach a branch line to the application organ, at which is e.g. can be rotary atomizers or also a spray gun that can be operated with the paint changer relatively long hose is connected. Before every color change and before long breaks in operation, as is well known the color in the stub line is completely removed become.
  • the problem of pushing back becomes undesirable Material avoided in a loop, but can the remainder acted upon by the rinsing liquid (solvent) Coating material to a large extent with the Mix the rinsing liquid.
  • solvent is lance-like at the contact point the middle of the colored lacquer front penetrates. The one with that lance effect impaired part of the coating material in the branch line can not be applied, but must be discarded, so that there is considerable material loss surrender.
  • the object of the invention is to specify a method and a device that when pushing out of the coating material by the solvent or other pressure medium from the connecting line in the direction a mixing of coating material to the application organ and avoids pressure medium.
  • the invention ensures that, for example, in front of a Color change or a business break or one from other Rinsing process necessary for the ongoing Coating cycle used coating material almost can be applied losslessly without having previously Ring line or material supply system are pushed back to have to.
  • the result is a substantial saving of Coating material as well as the possibility with appropriate Design of the facility after the completion of a coating cycle almost instantaneously with the next one Start cycle.
  • each color changer is connected via a color pressure regulator 2, a metering pump 4 and a changeover valve 6A or 6B to a valve construction 8 serving as the first “pig station”, which is arranged at the input of a connecting line 12 leading to the application member 10.
  • the application member 10 can be a rotary atomizer or in particular also a spray gun.
  • a further controllable valve arrangement 14 serving as a second “pig station” is provided at the outlet of the connecting line 12.
  • Lines for thinner (V) and compressed air (PL) are connected to the changeover valves 6A, 6B and to the valve arrangement 14 as shown via associated valves.
  • drain lines RF are connected to the lines between the metering pumps 4 and the changeover valves 6A and 6B and to the valve construction 8, which discard the diluent used during rinsing processes.
  • the first “pig station” or valve construction 8 can, for example to accommodate a displacer (not shown) serve according to the proposal of the beginning mentioned patent application 197 09 988.2 a ball of elastic deformable material, whose diameter in undeformed condition equal to or slightly larger than the inside diameter the connecting line 12 is.
  • the valve construction 8 is (as also not shown in detail is) switchable between two positions such that the Displacer in the first position the way from Color changer A or B through the changeover valves 6A or 6B in the connecting line 12 releases while he at the second Position by directed into the valve structure 8 Pressure medium can be pressed into the connecting line 12.
  • the valve construction 8 similar to that Diaphragm valve containing dead space-free construction Fig. 2 of the mentioned patent application 197 09 988.2 designed be.
  • the valve arrangement 14 serving as the second pig station can also be designed so that the pig in a valve position the path from the connecting line 12 into the application organ 10 releases and in a different valve position can be pushed back into the connecting line 12. Instead, it can be sufficient if the pig on the application organ 10 just hits against a stop and through the medium introduced under pressure in the valve arrangement 14, So thinner and / or compressed air can be pushed back into the line is.
  • the coating material from a of the two color changers e.g. the color changer A coming through the changeover valve 6A, the valve construction 8, in the the pig in its resting position makes its way into the connecting line 12 releases, and through the valve assembly 14 to the application member 10 promoted.
  • the newt or displacer in turn presses the rest of the line Coating material for the application member 10, while this Isolate material from the thinner until it becomes the second Pig station, that is to say reaches the valve arrangement 14, with which the Application process is finished.
  • the valve arrangement 14 with which the Application process is finished.
  • the switching position is also preferred of the main valve usually formed by the paint needle of the application process and by appropriate Signals reported.
  • the pig is then passed through valve assembly 14 Thinner liquid and / or compressed air back in the valve construction 8 conveyed.
  • the thinner can pass through drain the line RF connected to the valve construction 8.
  • the color system can be between the concerned Color changer A or B and the associated switching valve 6A or 6B and the application member 10 rinsed be, the rinsing liquid from the paint system can flow through the line RF at the changeover valve.
  • the new color material for a next coating cycle over the other color system from the color changer B to the application member 10 become.
  • the one described could Setup even with a single color system without the switching valves 6A and 6B operate.
  • valve 2 differs from that of Fig. 1 essentially in that between the first color changer A and the application member 10 after the color pressure regulator 2 and the metering pump 4 a first as a pig station serving valve construction 28A (corresponding to 8 in Fig. 1), a first connection line 22A and a first valve arrangement 24A (corresponding to 14 in Fig. 1) and between the second Color changer B and the application organ 10 a second as Valve construction 28B serving a pig station, a second Connection line 22B and a second valve assembly 24B are switched.
  • the valve arrangements 24A, 24B lines for thinner and compressed air and on the connecting lines on or near the valve arrangements 24A, 24B drain lines RF connected.
  • each of the two connecting lines 22A, 22B can do this coating material in the manner described each with its own, in the relevant valve construction 28A and 28B positioned displacers to the application organ 10 pressed and moved back from there, the two systems being self-sufficient, i.e. independent of each other can work.
  • This facility has the particular advantage that e.g. when moving the pig back in the connecting line 22A and while purging the associated system the other system connected to the color changer already be "preloaded" and with this system without delay the next coating process can be started.
  • FIG. 3 Another advantageous variant of the device described is shown in Fig. 3.
  • Fig. 1 there are two Color changers A, B optionally via changeover valves 36A or 36B can be coupled to the application member 10.
  • Fig. 1 and Fig. 2
  • a single metering pump here 34 are present, which are in the vicinity of the application member 10 between this and the switching valves 36A, 36B, while two compared to the distance between the application organ 10 and the switching valves 36A, 36B essential longer connecting lines 32A or 32B (corresponding to the Line 12 in Fig. 1) between the switching valves and the both color changers A and B run.
  • the positioned in it Displacers are replaced by a sliding means that pressurized thinner, compressed air, or instead can be any other print medium and the color changer supplied through the valve SMA or SMB as shown through the relevant connecting line 32A or 32B to the relevant changeover valve 36A or 36B pressed.
  • the pig from the switch valves introduced flushing liquid and / or compressed air to its home position in valve construction 38A or 38B moved back.
  • the system from the changeover valve to the color changer through the changeover valve introduced solvent are rinsed on Color changers can be discarded through a drain line RF can.
  • the arrangement of the metering pump 34 between those to be pigged Connection lines 32A, 32B and the application member 10 is among others advantageous because only the newts here pure pressed towards the application organ Paint material must be dosed, which is better and more accurate is the dosing of the solvent with which Devices according to Fig. 1 and Fig. 2 the pig and thus that remaining color material to be applied must be promoted. At the same time, there is greater flexibility with regard to of the usable pusher for the pig. Furthermore the effort is reduced since one of the two metering pumps 4 1 or FIG. 2 is saved.
  • a displacer with which the remaining coating material to be applied by the Connecting line to the application organ is pressed
  • a flowable one Use medium that is mixed with the coating material due to its nature and properties such as particularly high surface tension or more appropriate Avoids viscosity, and that by briefly opening a valve from a supply line between the blocked Coating material supply line and the connecting line is initiated before the material change valve assembly the connection from the material supply line for the coating material to be applied next opens.
  • This also acts like a pig barrier or insulating medium can, for example, by a provided Valve can be introduced on the color changer or in a separate valve construction according to the pig station 1.
  • This valve construction is switchable here between a first position in which one in the valve construction opening channel for the barrier or insulating medium closed by a valve and the way through the valve construction is approved for the coating material, and a second position in which said medium in the Connection line is pressed. It can be useful to open the valve so briefly or in pulses that the Medium introduced only in the form of a small liquid bubble becomes.
  • Another possibility of modifying the exemplary embodiments described consists of the pig instead of rinsing liquid and / or compressed air through the after locking the Coating material supply line to be applied next Color material as a print medium through the connecting line to press.
  • the cleaning effect of the newt can be sufficient so that no time-consuming rinsing of the Conducting and pressing the next color is required.

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  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Spray Control Apparatus (AREA)
  • Cleaning In General (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
EP98117999A 1997-09-26 1998-09-23 Procédé et installation de revêtement d'objets en série Expired - Lifetime EP0904848B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19742588 1997-09-26
DE19742588A DE19742588B4 (de) 1997-09-26 1997-09-26 Verfahren zum serienweisen Beschichten von Werkstücken

Publications (2)

Publication Number Publication Date
EP0904848A1 true EP0904848A1 (fr) 1999-03-31
EP0904848B1 EP0904848B1 (fr) 2003-04-09

Family

ID=7843756

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98117999A Expired - Lifetime EP0904848B1 (fr) 1997-09-26 1998-09-23 Procédé et installation de revêtement d'objets en série

Country Status (3)

Country Link
EP (1) EP0904848B1 (fr)
DE (2) DE19742588B4 (fr)
ES (1) ES2193455T3 (fr)

Cited By (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0935999A1 (fr) * 1998-02-13 1999-08-18 Lactec Gesellschaft für moderne Lackiertechnik mbH Méthode et appareil de changement de couleur dans une installation de revêtement utilisant un racleur
WO2001010564A1 (fr) * 1999-08-07 2001-02-15 Eisenmann Lacktechnik Kg Dispositif de peinture
EP1142649A2 (fr) * 2000-02-12 2001-10-10 Lac Tec GmbH Gesellschaft für moderne Lackiertechnik Procédé et appareil de revêtement
EP1172152A1 (fr) * 2000-07-13 2002-01-16 Dürr Systems GmbH Système d'alimentation en peinture avec conduits raclables pour un appareil de revêtement électrostatique
EP1270083A1 (fr) * 2001-06-29 2003-01-02 Dürr Systems GmbH Système et procédé pour alimenter un appareil de revêtement par des écouvillions
EP1314480A1 (fr) * 2001-11-27 2003-05-28 Dürr Systems GmbH Procédé et appareil pour un système d'alimentation en peinture dans un appareil de revêtement avec un ramoneur
EP1108475A3 (fr) * 1999-12-18 2003-06-11 Dürr Systems GmbH Installation de peinture
FR2843052A1 (fr) * 2002-08-01 2004-02-06 Lac Tec Ges Fur Moderne Lackie Installation de peinture nettoyee par ecouvillon
EP1389492A2 (fr) 2002-08-15 2004-02-18 Dürr Systems GmbH Conduit nettoyable par un râcleur pour le revêtement électrostatique de pièces
EP1394464A1 (fr) 2002-08-30 2004-03-03 Dürr Systems GmbH Racleur pour la founiture de matériau de revêtement et procédé pour sa fabrication
EP1314483A3 (fr) * 2001-11-27 2005-01-05 Dürr Systems GmbH Procédé et système de distribution de doses de matériau de revêtement à un appareil de revêment
US6896735B2 (en) 2002-01-24 2005-05-24 Behr Systems, Inc. Integrated charge ring
EP1245294A3 (fr) * 2001-03-29 2005-07-13 Dürr Systems GmbH Pulvérisateur pour une installation de revêtement et procédé d'alimentation en produit de revêtement de ce pulvérisateur
EP1577019A2 (fr) * 2004-03-19 2005-09-21 Haden Drysys S.A. Dispositif de récupération d'un produit de revêtement contenu dans une canalisation
US6972052B2 (en) 2002-08-28 2005-12-06 Behr Systems, Inc. Rotational atomizer with external heating system
US6986366B2 (en) 2002-08-28 2006-01-17 Dürr Systems, Inc. Tube for the electrostatic coating of workpieces
US6991178B2 (en) 2003-01-24 2006-01-31 Dürr Systems, Inc. Concentric paint atomizer shaping air rings
EP1344572A3 (fr) * 2002-03-13 2006-03-22 LACTEC GmbH Gesellschaft für moderne Lackiertechnik mbH Installation de peinture pour revêtir des objets par un revêtement liquide
US7018679B2 (en) 2001-03-29 2006-03-28 Dürr Systems, Inc. Coating installation with an atomizer change station
US7036750B2 (en) 2002-07-22 2006-05-02 Dürr Systems, Inc. Axial shaping air design for paint atomizer
WO2006056263A1 (fr) * 2004-11-24 2006-06-01 Eisenmann Anlagenbau Gmbh & Co. Kg. Unite de separation electrique pour un tuyau d'alimentation en liquides
DE10064065B4 (de) * 1999-12-22 2006-07-27 Dürr Systems GmbH Beschichtungssystem für die automatisierte Beschichtungstechnik
US7156795B2 (en) 2001-03-29 2007-01-02 Dürr Systems, Inc. Tool change system for a machine
US7275702B2 (en) 2001-03-29 2007-10-02 Durr Systems, Inc. Valve unit for an electrostatic coating installation
EP1522348A3 (fr) * 2003-10-07 2008-01-23 Dürr Systems GmbH Procédé et système d'alimentation en produit d'un dispositif consommateur par un circuit nettoyé par raclage
US7328123B2 (en) 2002-09-30 2008-02-05 Durr Systems, Inc. System for collision avoidance of rotary atomizer
US7347649B2 (en) 2002-07-11 2008-03-25 Durr Systems, Inc. Powder purge tube
EP1952894A1 (fr) 2007-01-31 2008-08-06 Abb As Racleur de liquide visqueux pour séparer des fluides dans une conduite de vernis
US7432495B2 (en) 2002-09-02 2008-10-07 Durr Systems, Inc. Sensor arrangement for a coating system
WO2010075322A1 (fr) * 2008-12-23 2010-07-01 Abb Inc. Système de navette de peinture
US8671495B2 (en) 2006-11-06 2014-03-18 Durr Systems, Inc. Scraper pig
WO2014177261A1 (fr) * 2013-05-03 2014-11-06 Eisenmann Ag Dispositif de transfert pour matières de revêtement et système de revêtement pour le revêtement d'objets
EP3639930A1 (fr) * 2018-10-19 2020-04-22 Exel Industries Procédé de projection d'un fluide
CN114130625A (zh) * 2021-11-08 2022-03-04 长飞光纤光缆股份有限公司 一种用于光纤涂覆材料的切换装置及其使用方法
EP3656476B1 (fr) 2017-07-18 2023-01-18 ABB Schweiz AG Dispositif de peinture

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DE19962224A1 (de) * 1999-12-22 2001-07-05 Fraunhofer Ges Forschung Beschichtungssystem mit unidirektionaler Molchtechnik
DE10033986A1 (de) 2000-07-13 2002-01-24 Duerr Systems Gmbh Verfahren zur Verwendung eines Molches in einer Beschichtungsanlage und Molch hierfür
DE10063234C1 (de) * 2000-12-19 2002-07-04 Duerr Systems Gmbh Schlauchsystem mit einem molchbaren Schlauch
DE10120077B4 (de) * 2001-04-24 2006-07-27 Dürr Systems GmbH Beschichtungssystem für die automatisierte Beschichtungstechnik
DE10145169A1 (de) 2001-09-13 2003-04-03 Duerr Systems Gmbh Verfahren zum serienweisen Beschichten von Werkstücken
DE10160136B4 (de) * 2001-12-07 2005-03-24 Abb Patent Gmbh Anordnung und Verfahren zur automatischen Reinigung eines Rohrleitungssystems
DE10233006B4 (de) 2002-07-20 2007-07-05 Eisenmann Lacktechnik Gmbh & Co. Kg Verfahren zur Versorgung einer Lackapplikationseinrichtung mit Lack
DE10335358A1 (de) * 2003-08-01 2005-03-10 Duerr Systems Gmbh Beschichtungsmittelwechsler
DE102008015258B4 (de) * 2008-03-20 2023-05-25 Dürr Systems Ag Farbwechsler für einen Lackierroboter
DE102008037035B4 (de) * 2008-08-08 2023-05-25 Dürr Systems Ag Ventilanordnung eines Lackierroboters
WO2009115201A2 (fr) 2008-03-20 2009-09-24 Dürr Systems GmbH Robot de peinture et procédé d'utilisation correspondant
DE102019103919A1 (de) * 2019-02-15 2020-08-20 Eisenmann Se Beschichtungsanlage, Vorrichtung zur berührungslosen Bestimmung einer Zustandsgröße eines Molchs sowie Verfahren zur Beschichtung eines Gegenstandes mit einer Beschichtungsanlage

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US4348425A (en) 1981-01-26 1982-09-07 Ransburg Corporation Variable low-pressure fluid color change cycle
US4375865A (en) * 1980-08-12 1983-03-08 Binks Manufacturing Company Color change system for spray coating apparatus
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EP0303541B1 (fr) 1987-08-14 1991-10-09 Sames S.A. Installation de projection de produit de revêtement tel que par exemple une peinture hydrosoluble
US5221047A (en) * 1991-08-13 1993-06-22 Gmfanuc Robotics Corporation Method and system for cleaning a paint supply line and changing paint colors in production paint operations
US5230842A (en) * 1989-02-21 1993-07-27 Munde Bruce A Interior pipeline coating process
DE19709988A1 (de) 1997-03-11 1998-10-01 Inlac Ind Lackieranlagen Gmbh Lackiereinrichtung

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US3672570A (en) * 1970-09-04 1972-06-27 Nordson Corp Sequence control of color change
US4375865A (en) * 1980-08-12 1983-03-08 Binks Manufacturing Company Color change system for spray coating apparatus
US4348425A (en) 1981-01-26 1982-09-07 Ransburg Corporation Variable low-pressure fluid color change cycle
US4728033A (en) * 1986-02-06 1988-03-01 Trinity Industrial Corporation Cleaning method upon color-change in an electrostatic multi-color coating apparatus
EP0303541B1 (fr) 1987-08-14 1991-10-09 Sames S.A. Installation de projection de produit de revêtement tel que par exemple une peinture hydrosoluble
US5230842A (en) * 1989-02-21 1993-07-27 Munde Bruce A Interior pipeline coating process
US5221047A (en) * 1991-08-13 1993-06-22 Gmfanuc Robotics Corporation Method and system for cleaning a paint supply line and changing paint colors in production paint operations
DE19709988A1 (de) 1997-03-11 1998-10-01 Inlac Ind Lackieranlagen Gmbh Lackiereinrichtung

Cited By (49)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0935999A1 (fr) * 1998-02-13 1999-08-18 Lactec Gesellschaft für moderne Lackiertechnik mbH Méthode et appareil de changement de couleur dans une installation de revêtement utilisant un racleur
WO2001010564A1 (fr) * 1999-08-07 2001-02-15 Eisenmann Lacktechnik Kg Dispositif de peinture
EP1108475A3 (fr) * 1999-12-18 2003-06-11 Dürr Systems GmbH Installation de peinture
DE10064065B4 (de) * 1999-12-22 2006-07-27 Dürr Systems GmbH Beschichtungssystem für die automatisierte Beschichtungstechnik
EP1142649A3 (fr) * 2000-02-12 2003-05-28 Lac Tec GmbH Gesellschaft für moderne Lackiertechnik Procédé et appareil de revêtement
EP1142649A2 (fr) * 2000-02-12 2001-10-10 Lac Tec GmbH Gesellschaft für moderne Lackiertechnik Procédé et appareil de revêtement
EP1172152A1 (fr) * 2000-07-13 2002-01-16 Dürr Systems GmbH Système d'alimentation en peinture avec conduits raclables pour un appareil de revêtement électrostatique
US7018679B2 (en) 2001-03-29 2006-03-28 Dürr Systems, Inc. Coating installation with an atomizer change station
US7275702B2 (en) 2001-03-29 2007-10-02 Durr Systems, Inc. Valve unit for an electrostatic coating installation
US7156795B2 (en) 2001-03-29 2007-01-02 Dürr Systems, Inc. Tool change system for a machine
EP1245294A3 (fr) * 2001-03-29 2005-07-13 Dürr Systems GmbH Pulvérisateur pour une installation de revêtement et procédé d'alimentation en produit de revêtement de ce pulvérisateur
US7051950B2 (en) 2001-03-29 2006-05-30 Dürr Systems, Inc. Atomizer for coating unit and method for its material supply
EP1270083A1 (fr) * 2001-06-29 2003-01-02 Dürr Systems GmbH Système et procédé pour alimenter un appareil de revêtement par des écouvillions
EP1314483A3 (fr) * 2001-11-27 2005-01-05 Dürr Systems GmbH Procédé et système de distribution de doses de matériau de revêtement à un appareil de revêment
EP1314480A1 (fr) * 2001-11-27 2003-05-28 Dürr Systems GmbH Procédé et appareil pour un système d'alimentation en peinture dans un appareil de revêtement avec un ramoneur
US6896735B2 (en) 2002-01-24 2005-05-24 Behr Systems, Inc. Integrated charge ring
EP1344572A3 (fr) * 2002-03-13 2006-03-22 LACTEC GmbH Gesellschaft für moderne Lackiertechnik mbH Installation de peinture pour revêtir des objets par un revêtement liquide
US7347649B2 (en) 2002-07-11 2008-03-25 Durr Systems, Inc. Powder purge tube
US7036750B2 (en) 2002-07-22 2006-05-02 Dürr Systems, Inc. Axial shaping air design for paint atomizer
US7044153B2 (en) 2002-08-01 2006-05-16 LacTec Gesellschaft für moderne Lackiertechnik mbH Varnishing installation
FR2843052A1 (fr) * 2002-08-01 2004-02-06 Lac Tec Ges Fur Moderne Lackie Installation de peinture nettoyee par ecouvillon
EP1389492A2 (fr) 2002-08-15 2004-02-18 Dürr Systems GmbH Conduit nettoyable par un râcleur pour le revêtement électrostatique de pièces
US6986366B2 (en) 2002-08-28 2006-01-17 Dürr Systems, Inc. Tube for the electrostatic coating of workpieces
US6972052B2 (en) 2002-08-28 2005-12-06 Behr Systems, Inc. Rotational atomizer with external heating system
DE10240072B4 (de) * 2002-08-30 2005-11-24 Dürr Systems GmbH Molch zur Förderung eines Beschichtungsmaterials und Verfahren zu seiner Herstellung
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DE19742588A1 (de) 1999-04-01
EP0904848B1 (fr) 2003-04-09
DE59807823D1 (de) 2003-05-15
ES2193455T3 (es) 2003-11-01

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