WO2004050259A1 - Agencement d'ensemble de repartition pour l'alimentation en materiau de revetement vers un dispositif d'application - Google Patents

Agencement d'ensemble de repartition pour l'alimentation en materiau de revetement vers un dispositif d'application Download PDF

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Publication number
WO2004050259A1
WO2004050259A1 PCT/US2003/037869 US0337869W WO2004050259A1 WO 2004050259 A1 WO2004050259 A1 WO 2004050259A1 US 0337869 W US0337869 W US 0337869W WO 2004050259 A1 WO2004050259 A1 WO 2004050259A1
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WO
WIPO (PCT)
Prior art keywords
manifold
coating material
inlet
flow
flow path
Prior art date
Application number
PCT/US2003/037869
Other languages
English (en)
Inventor
Joseph G Schroeder
Original Assignee
Nordson Corporation
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 Nordson Corporation filed Critical Nordson Corporation
Priority to AU2003302604A priority Critical patent/AU2003302604A1/en
Publication of WO2004050259A1 publication Critical patent/WO2004050259A1/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
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/14—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas designed for spraying particulate materials
    • B05B7/1404—Arrangements for supplying particulate material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
    • B05B12/14—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
    • B05B12/1409—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 the selection means being part of the discharge apparatus, e.g. part of the spray gun

Definitions

  • the invention relates to apparatus for spraying articles, and more particularly to a manifold concept that can be used with such apparatus.
  • Spray systems are known for spraying a coating material onto an article.
  • powder coating materials are commonly sprayed using either electrostatic or non-electrostatic spraying devices such as spray guns.
  • Spray systems also typically include one or more devices for supplying coating material to the spray devices.
  • a Venturi pump often is used to supply powder from a hopper, box or other container to a powder spray gun.
  • spray guns are commonly sprayed within a spray booth or other enclosure. Oftentimes there is a large number of spray guns, and these guns can be positioned in difficult positions to reach within the spray booth. For example, spray guns may be positioned rather high within a spray booth, well out of the reach of an operator other than by climbing a ladder or other structure.
  • a manifold mounting arrangement is provided by which an operator can quickly and easily establish a flow path between a coating material inlet of a spray device to a selectable one of two or more coating material supply lines.
  • a manifold block arrangement is provided by which two or more flow paths are each coupled at one end to a coating material supply and at another end to the device inlet. Selection is facilitated by having the block arrangement moveably mounted on a base, hi a specific embodiment the block arrangement is slideably mounted to the base. An operator can thus select the coating material supply by sliding the manifold block arrangement so that the desired flow path is in flow communication with the device inlet.
  • the movable block arrangement can be positioned so that each flow path associated therewith is selectively alignable with the device inlet.
  • connection or joining of each flow path to the device inlet can be facilitated by optionally including a slide mount associated with the base.
  • the slide mount may be used to provide a mechanism by which the device inlet can be coupled to a selected flow path to establish flow communication therewith.
  • the slide mount may be realized in the form of a plate that slideably supports the movable block arrangement, and which plate is also movable relative to the device inlet so as to permit selected coupling and uncoupling of the device inlet and a selected flow path.
  • the slide mount translates along an axis that is generally transverse an axis that the block arrangement translates.
  • selected flow communication between the device inlet and each flow path can alternatively be realized without the use of a second slide, for example, by a sliding face seal arrangement between the device inlet and each flow path.
  • a sliding face seal arrangement between the device inlet and each flow path.
  • such a configuration may also be used, for example, to provide a mounting arrangement for a pump.
  • a moveable manifold block arrangement includes an index to help the user identify when the selected flow path is aligned and in position to permit flow with the device inlet.
  • the index is a mechanical index, h a specific embodiment the mechanical index is realized in the form of a detent.
  • Alternative designs are available including but not limited to a visual index, electrical index, optical index and so on as well as various combinations thereof.
  • a movable manifold block arrangement may be manually movable or moved under control of a motive device such as a motor, piston and so on. Movement of the manifold block may be automatically controlled as another optional configuration by use of a programmed control function or a manually operated control function.
  • the optional slide arrangement may also be positioned by use of a motive device and associated manual or automatic control function.
  • the manifold block arrangement and the slide mount can be electronically controlled for alignment and connection of the device inlet to a selected flow path.
  • a mounting arrangement that facilitates color change operations with a device such as a spray gun or pump.
  • the mounting arrangement can be positioned near or adjacent to the device or remotely therefrom such as by the use of extension hoses or lines, for example.
  • the present invention further contemplates various combinations of a mounting arrangement with a spraying system, such as a mounting arrangement with a spray gun, a Nenturi pump and so on.
  • a mounting arrangement can provide two or more flow paths that can be selectively positioned to permit flow with a device inlet.
  • each flow path maybe connectable to a source of different color or type of coating material, or one of the flow paths can be a purge air flow path.
  • the various paths can be connectable to different color sources, material types and/or a purge air source. The invention is particularly but not exclusively useful with powder coating materials.
  • a mounting arrangement that facilitates source selection between a plurality of coating material supplies and an application device such as a spray gun for example. By simplifying the selection, connection and changeover process, quick color change operations are facilitated.
  • the invention further contemplates the methods embodied in the use of such exemplary apparatus, as well as a method for supplying a selectable coating material to an application device from a plurality of sources of coating material, h one embodiment the method includes the steps of coupling a plurality of coating material supplies to a corresponding plurality of respective flow paths, mounting the plurality of flow paths on a support, and aligning and/or fluidly coupling a selectable one of the flow paths to the device inlet by a sliding movement of the support relative to the device inlet.
  • Other methods are contemplated by the invention as set forth below in the detailed description and claims.
  • Fig. 1 is an isometric illustration of a manifold mounting arrangement in accordance with the invention
  • Fig. 2 is an exploded isometric illustration of the apparatus of Fig. 1;
  • Fig. 3 is a side elevation of the apparatus of Fig. 1 including an exemplary application device installed therewith;
  • Fig. 4A is a schematic representation of an alternative application having a remote application device;
  • Fig. 4B is a schematic representation of an alternative embodiment of an automated system.
  • Fig. 5 is another embodiment of the invention for use with a pump as the coating material device.
  • the numeral 10 generally indicates a manifold- style mounting arrangement for supplying coating material to a coating material application device. While the invention is described with particular reference to a selectable supply of a plurality of different powder coating materials such as, for example, different colors and/or types (e.g. metallic, polymeric and so on), for an exemplary application system such as a powder spray system, such description is intended to be exemplary in nature and should not be construed in a limiting sense.
  • powder coating materials such as, for example, different colors and/or types (e.g. metallic, polymeric and so on)
  • exemplary application system such as a powder spray system
  • the manifold mounting arrangement 10 includes two basic sections, namely a base or support 12, and a moveable manifold arrangement 14.
  • the manifold arrangement 14 is moveable or translatable along a first axis (labeled Y in the drawings).
  • a third optional but very useful section in many applications is a slide mechanism 16.
  • the slide mechanism 16 in the exemplary embodiment provides translational movement of the manifold arrangement 14 along a second axis X that is generally transverse the first axis Y.
  • the movements along each of the axes X and y can be effected separately and independently of each other or done together as needed for a particular system.
  • the base 12 is provided with a suitable support or mount 18 that can be used to join the manifold mounting arrangement 10 to another device (shown in Fig. 3) such as, for example, a spray gun.
  • Typical spray guns include a coating material inlet, such as for example the coating material inlet end of a feed tube or hose.
  • a connector is often provided at the device coating material inlet for simple push to connect operation.
  • the support 18 may be configured in any suitable manner to mount with a spray gun body, for example.
  • the application device may include a support block or other suitable structure that can conveniently be mounted with the manifold arrangement, such as a pump that has a manifold mounting block and so on.
  • the manifold mounting arrangement 10 is provided with a suitable configuration to allow support of an application device such as a spray gun, pump and so on to permit at least one translational axis of movement of the manifold block arrangement 14 relative to the device inlet, and alternatively when desired a second translational axis relative to the device inlet. It is sufficient that the support 18 position the device inlet so that the inlet can be aligned with and fluid communication established with a selected one of a plurality of flow paths 70, such as with conduits or flow path devices 20, by simple translational movement of the manifold block arrangement 14. Depending on the selected configuration the translational movement may be single axis or two axis.
  • Each flow path device 20 can be coupled, such as for example via a suitable hose or line, to its own supply of coating material (not shown).
  • the application device (shown in Fig. 3) can be installed on the support 18 which fixes the position of the device coating material inlet relative to the manifold arrangement 14.
  • the manifold block arrangement 14 can then be selectively moved along the Y axis so as to align a selected one of the flow paths 70 with the device inlet.
  • the user can thus easily and quickly select and change the source of coating material in fluid communication with the device.
  • two axis translational movement is provided in that the manifold arrangement 14 can also be translated along the X axis to permit flow between the selected flow path 70 and the application device (Fig. 3) inlet 80, thereby coupling the application device S to the selected coating material supply.
  • the movement along the X axis may be effected after the movement along the Y axis to align the selected flow path with the device inlet.
  • a clamp or latch mechanism 22 may be provided to securely hold the device inlet with the selected flow path 20 device.
  • the translational movement of the manifold block arrangement 14, whether along one or more of the translational axes, may be effected manually or alternatively under control of a motive device such as an electric motor, pneumatic piston, rack and pinion and so on, with appropriate electronic position controls as are well known in the art or manually controlled electrical functions.
  • a motive device such as an electric motor, pneumatic piston, rack and pinion and so on, with appropriate electronic position controls as are well known in the art or manually controlled electrical functions.
  • each flow path device 20a, 20b and 20c there are three flow path devices 20a, 20b and 20c that are supported with the manifold block arrangement 14, however, additional flow paths may be used and as few as two may be used.
  • Each flow path device may be connected to a coating material supply, or one of the flow path devices 20 may be in fluid communication with a source of purge air (not shown). Purge air can then be used to purge the device as part of a color change operation.
  • the exemplary embodiments illustrate a manifold mounting arrangement 14 that is preferably positioned near the device inlet.
  • an inlet can be provided on the base 12 and connected to a remotely positioned application device via a run of hose or line between the device and the manifold arrangement 10. This would allow coating material changes from a remote location from the application device, although typically such a configuration would require a purge function for the hose run.
  • the mounting arrangement 10 may be suitably configured so as to be installable on a support for the application device.
  • an application device such as a spray gun
  • the apparatus 10 can be adapted for installation onto a gun mover, or a robot in the case of automatic spray gun configurations.
  • the apparatus 10 could be incorporated with a manual spray gun with appropriate use of lightweight materials. Manually held and operated spray guns may also be tethered to such the apparatus 10 by a supply hose run as noted above.
  • the apparatus 10 includes the base assembly 12 which in this case includes an application device support 18 in the form of two clamp halves 18a and 18b which can be secured together by any suitable means such as bolts 18c.
  • the support 18 clamps around the body of a spray gun S (Fig. 3) or other suitable coating material application or transfer device thereby supporting the gun and the apparatus 10 together.
  • the particular form of the support 18 will depend on the design of the application device.
  • the base 12 also includes a slide mechanism 16.
  • the slide mechanism 16 includes a slide plate 24 that slideably overlays a base member 26.
  • a suitable mechanism is provide for maintaining the slide 24 and base member 26 in alignment and together, such as, for example, a conventional dovetail type tongue 28 and mating groove 30 design.
  • the apparatus 10 may be made of any suitable materials including but not limited to nylon for strength and light weight. Other materials may be used for specific required properties.
  • the slide plate 24 along its inner edge 32 includes a lengthwise recess 34.
  • One or more stop members 36 are inserted through the plate 24 such that their ends extend into the recess 34 (see Fig. 3).
  • the stop members 36 are positioned so as to interfere with the inner edges 38 of the tongues 28 to prevent the slide 24 from sliding completely off of the base member 26 during normal use.
  • a flexible strap or catch 44 of the latch mechanism 22 is fixedly or hingedly mounted at one end 44a thereof to the base member 26 via cooperating bolts 40 and holes 42.
  • the strap 44 is made of a suitable flexible somewhat stretchable material such as rubber and is provided with a graspable handle 46 on the free end thereof.
  • the strap 44 includes a hole 44b that cooperates with a latch post 48 that is installed on the slide 24 via a suitable mechanism such as cooperating bolt 50 and hole 52.
  • the strap 44 is used to securely but releasably hold the slide 24 and base member 26 together tightly when the strap is slipped onto the post 48 by inserting the post 48 into the strap hole 44b.
  • the slide 24 is free to move along the tongue and groove engagement 28/30.
  • the strap 44 is attached to the post 48, the slide 24 is held in its most forward position with its forward edge 32 abutting a retaining wall 54 of the base.
  • the slide 24 also includes an upper lengthwise dovetail groove 60 that cooperates with a respective tongue 62 on each of a plurality of manifold blocks 64 that when assembled together form the slideably mounted manifold arrangement 14.
  • three blocks 64a,b,c are illustrated, two blocks or four or more blocks may be used.
  • a single block may be used that supports or includes the flow paths 70.
  • each block includes a through hole 66 so that a single bolt 68 can be used to securely bolt the blocks together to effectively form a single yet easy to disassemble block.
  • the use of separate blocks provides a modular design in which the number of blocks and flow paths can easily be increased or decreased or replaced as desired.
  • Each block 64 includes a coating material flow path device 20.
  • each flow path device 20 provides or defines a flow path or passageway 70 through a respective hose connector 72.
  • Each connector can include a conventional nipple 74 for attachment of a feed hose or line (FH) which is coupled to a respective source of coating material (Fig. 1).
  • the connectors 72 may be threadably or otherwise suitably mounted on the respective manifold blocks 64. Note that any individual block can carry with it one or more flow paths and not all the blocks need be the same.
  • the manifold block arrangement 14 includes a plurality of such flow paths 70 each of which is selectively alignable with an inlet to the application device S (Fig. 3) by translational movement along an axis so as to permit flow between the associated supply of coating material and the application device S.
  • first dovetail arrangement 28/30 of the slide 24 provides for translation along the X axis and the second dovetail arrangement 60/62 provides for translation along the generally transverse axis Y.
  • the reference frame of X, Y and Z is merely for convenience and denotes no particular spatial orientation of use.
  • the translational movement of the manifold block arrangement 14 along the X axis is used to allow a user to selectively align one of the flow paths 70 with an inlet 80 to the application device S (see Fig. 3).
  • another hose connector 82 is used to provide an inlet to the application device (spray gun for example) as is well l ⁇ iown.
  • the device connector 82 includes a nipple portion 84 that inserts into an aligned opening of the associated flow path device 20 for the selected flow path 70.
  • the slide plate 24 and the manifold blocks 64 include a cooperating indexing mechanism.
  • the indexing mechanism is realized in the form of a detent mechanism that includes a pin 86 that is installed in a hole 87 in the slide plate 24.
  • Each of the manifold blocks 64 includes an appropriately positioned detent recess or hole 88 which engages with the distal end of pin 86, that protrudes out of the hole 87, when the manifold is in a selectable position that aligns along the X axis the selected block 64 with the inlet of the application device S.
  • the pin can be spring loaded or simply an interference fit that can be forcibly overridden. When a block is properly aligned the user can feel a definite "catch" that the block is in position.
  • Other mechanical indexes and detent mechanisms may be used.
  • the aforementioned detent mechanism is but one example of many different types of indexing mechanisms that can be used. Besides a mechanical indexing mechanism such as, for example, the detent design, a visual index could be used. Optical or electrical position sensors and detectors may also be used as required, especially for automated systems. Various combinations may also be used for systems that will be manually and automatically operated.
  • Movement of the manifold block arrangement 14 along the X axis is used to selectively align (and in some configurations establish fluid communication) the selected flow path 70 of the associated flow path device 20 (i.e. coating material supply) with the inlet 80 of the application device.
  • the strap 44 has been released and the slide plate 24 backed away from the application device (along the Y axis) to uncouple the device connector 82 from the previously used or connected flow path device 20.
  • the detent or other indexing mechanism is used to verify or detect good alignment, after which the slide plate 24 is moved towards the inlet 80 along the Y axis so as to engage the selected flow path device 20 and the inlet com ector 82 of the application device.
  • the slide 24 is thus moved relative to the inlet 80 along the Y axis to selectively permit (connect and disconnect) flow (i.e. establish flow communication or a flow path) between the selected flow path 70 and the device inlet 80.
  • the strap 44 can then be secured to hold the assembly tightly together during a spraying operation.
  • one of the flow paths 70 can be coupled to a source of purge air to clean the application device during a color change or material change procedure.
  • the slide plate 24 is moved and carries with it the manifold block arrangement 14 to establish fluid communication between the flow path 70 and the device inlet 80
  • the application device alternatively could be mounted on the slide plate.
  • the invention more broadly contemplates relative movement between selectable flow paths and the device inlet to permit flow therebetween and is not limited necessarily to which portions are moved.
  • Figs. 4A-B illustrate in simplified schematic form additional embodiments.
  • a hose connector 90 or other suitable mechanism is mounted on the support 18.
  • This connector 90 with an inlet 92 can be mated or coupled to a selected flow path device 20 as described hereinabove.
  • a hose or line run 94 can then be used to connect to a remotely located application device (hot shown).
  • Fig. 4B illustrates an example of an automated system in which an X axis control function 96 is provided to position and control movement of the slide plate 24 towards and away from the inlet of the application device S to make connection between the device S inlet and the flow path device 20.
  • a Y axis control function 98 may also be provided to position and control movement of the manifold block assembly 14 along the Y axis so as to align a selected flow path device 20 with the application device S inlet.
  • the embodiment of Fig. 4B can also conveniently be extended to use with a remote application device S connected by a hose run 94 as in Fig. 4A.
  • These position and control functions may be easily implemented with well known linear drive mechanisms and controls for example.
  • the control functions 96/98 may thus take many forms including manual, electronic, electromechanical and so on including various combinations thereof.
  • sliding face seal type arrangements may be used in lieu of mated connectors (an example with a flow pump follows herein), h such a case, the movement of the manifold block arrangement 14 not only establishes proper alignment but also establishes the fluid communication between the selected flow path 70 and the inlet to the application device S.
  • the exemplary embodiment of this concept is for a pump, those skilled in the art will readily appreciate that the embodiment herein of a spray gun or other application device can be easily modified in view of the teachings herein to provide a face seal type slide block interface between the manifold selectable flow paths and the device S inlet.
  • the invention may be used with coating material application devices other than application devices such as spray guns, this example, the invention is used with a pump such as a Nenturi pump that is commonly used to feed coating material from a container such as a box or hopper to an application device like a spray gun.
  • Fig. 5 is generally schematic in form since the pump device is well known, such as available from Nordson Corporation, Westlake, Ohio. The only modification of a conventional pump is to provide a mounting block for supporting the pump on the apparatus 10.
  • a Nenturi pump 100 includes a body 102 having typically a flow air inlet 104 and an atomizing air inlet 106 although such are not always required in all pumps.
  • the pump also includes an outlet 108 that is connectable to an application device such as a spray gun via a feed hose (not shown).
  • the particular internal design of the pump 100 is not critical to the invention. All that is needed is an inlet to the pump for the coating material to enter. In this example, the inlet is in the form of an orifice 101.
  • the pump 100 is slideably mounted on a manifold block 110 that includes a plurality of inlet arrangements 112.
  • Each inlet is adapted to be connectable to a respective coating material supply, such as through a pick up tube or hose (not shown).
  • One of the inlets may be a purge air source.
  • the manifold 110 further includes a respective outlet arrangement 114 for each of the inlets 112.
  • a simple through passage 116 can connect each respective inlet/outlet pair.
  • Each outlet arrangement in this example is the same as the others and includes an outlet orifice 118 formed in a recess or counterbore 120 in the surface 122 that faces the pump 100 and across which the pump 100 slides.
  • An appropriate seal device 124 such as for example, an o-ring, may be used to seal each connection between each outlet 114 and the inlet 101 to the pump.
  • a fluid tight face seal is formed at each aligned position between the pump inlet 101 and each outlet 114 a fluid tight face seal is formed. Alignment of the pump inlet orifice 101 and each outlet 114 can be realized with a proper indexing function as described hereinbefore.
  • the pump 100 can be manually positioned and moved or moved under motive force. A single axis movement can be used because alignment and flow path connection are accomplished in the same step.
  • the manifold 110 may be a single block or an assembly of multiple blocks to allow for modular expansion and changes. Note that purge air can be used to purge the pump as well as the downstream application device and connecting hose run if so desired.
  • Quick color change is effected by use of the invention in the various embodiments by virtue of the simplicity of changing flow paths connectable to the device inlet by sliding translational movement, either manually or electromechanically, along with the optional use of a purge flow path.
  • the modular design of the manifold and ease of changeover permits quick color change even in cases where the application device(s) may be physically located in an otherwise difficult to access location.

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  • Spray Control Apparatus (AREA)
  • Nozzles (AREA)

Abstract

La présente invention a trait à un agencement d'ensemble de répartition (14) permettant à un utilisateur d'autoriser de manière sélective le débit d'une parmi un ensemble d'unités d'alimentation de matériau de revêtements (A, B, C) et un dispositif d'application de matériau de revêtement cet agencement permet des opérations de changement de couleurs rapide ainsi que des fonctions de purge. Cet agencement comporte un agencement de bloc de répartition (14) qui peut être positionné par coulissement en vue de l'alignement d'un orifice d'entrée du dispositif d'application avec un circuit d'écoulement sélectionné qui est en communication fluidique avec l'unité respective d'alimentation de matériau de revêtement (A, B, C). Une deuxième fonction de coulissement peut être utilisée pour ensuite relier le circuit d'écoulement sélectionné et l'orifice d'entrée du dispositif. Des éléments de joints d'étanchéité peuvent être utilisés pour obtenir un alignement et une liaison à mouvement à un degré de liberté. Le mouvement de translation peut être manuel ou automatisé. Une fonction d'indexage est prévue pour la vérification de l'alignement. L'invention peut être utilisée pour des opérations de changement de couleurs rapide pour des emplacements de dispositifs d'application à proximité ou à distance.
PCT/US2003/037869 2002-11-27 2003-11-25 Agencement d'ensemble de repartition pour l'alimentation en materiau de revetement vers un dispositif d'application WO2004050259A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2003302604A AU2003302604A1 (en) 2002-11-27 2003-11-25 Manifold mounting arrangement for supplying coating material to an application device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US42942302P 2002-11-27 2002-11-27
US60/429,423 2002-11-27

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007067891A1 (fr) * 2005-12-08 2007-06-14 Nordson Corporation Dispositif de purge permettant un changement rapide de poudre
WO2009123794A1 (fr) * 2008-03-31 2009-10-08 Illinois Tool Works Inc. Dispositif de changement d’alimentation pour système de revêtement en poudre
EP2361691A1 (fr) * 2010-02-19 2011-08-31 Ramseier Koatings Technologies AG Sélecteur pour fluides
WO2015022061A1 (fr) * 2013-08-13 2015-02-19 Eisenmann Ag Dispositif de changement de substances de revêtement et système de revêtement d'objets
EP2839884A1 (fr) * 2013-08-13 2015-02-25 Eisenmann AG Dispositif de changement pour des substances de revêtement et système de revêtement destiné à revêtir des objets
US20150314315A1 (en) * 2008-03-20 2015-11-05 Durr Systems, Gmbh Painting robot color changer system
JP2016164441A (ja) * 2015-03-06 2016-09-08 アズビル株式会社 ダクト切替装置
WO2016206846A1 (fr) * 2015-06-26 2016-12-29 Gema Switzerland Gmbh Aiguillage pour poudre et système de distribution de poudre pourvu dudit aiguillage
WO2017008977A1 (fr) * 2015-07-13 2017-01-19 Eisenmann Se Dispositif de changement et système de revêtement pour le revêtement d'objets
CN108970842A (zh) * 2018-07-06 2018-12-11 上海千歌环保科技有限公司 一种新型平面换色阀

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US3924810A (en) * 1974-11-04 1975-12-09 Ford Motor Co Sprayable material changer apparatus
FR2488151A1 (fr) * 1980-08-06 1982-02-12 Hebert Jean Claude Diffuseur electrostatique multi-couleurs pour peinture en poudre
US4508271A (en) * 1982-05-03 1985-04-02 Gress Ronald A Airbrush assembly
EP1245295A2 (fr) * 2001-03-29 2002-10-02 Dürr Systems GmbH Système de changement de couleur pour un appareil de revêtement
US20020139301A1 (en) * 2001-04-02 2002-10-03 Attinoto Richard A. Powder paint color changer

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Publication number Priority date Publication date Assignee Title
US3782632A (en) * 1971-08-02 1974-01-01 Gema Ag Powder spray gun for spraying different color powders from a powder channel of a spray gun
US3924810A (en) * 1974-11-04 1975-12-09 Ford Motor Co Sprayable material changer apparatus
FR2488151A1 (fr) * 1980-08-06 1982-02-12 Hebert Jean Claude Diffuseur electrostatique multi-couleurs pour peinture en poudre
US4508271A (en) * 1982-05-03 1985-04-02 Gress Ronald A Airbrush assembly
EP1245295A2 (fr) * 2001-03-29 2002-10-02 Dürr Systems GmbH Système de changement de couleur pour un appareil de revêtement
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Cited By (20)

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Publication number Priority date Publication date Assignee Title
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