EP2929944A1 - Dispositif de pulvérisation de couleur - Google Patents

Dispositif de pulvérisation de couleur Download PDF

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Publication number
EP2929944A1
EP2929944A1 EP15162371.7A EP15162371A EP2929944A1 EP 2929944 A1 EP2929944 A1 EP 2929944A1 EP 15162371 A EP15162371 A EP 15162371A EP 2929944 A1 EP2929944 A1 EP 2929944A1
Authority
EP
European Patent Office
Prior art keywords
paint
pressure
spraying device
color
paint spraying
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Withdrawn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
EP15162371.7A
Other languages
German (de)
English (en)
Inventor
Andreas Abt
Christopher J. Sulzer
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.)
J Wagner GmbH
Original Assignee
J Wagner GmbH
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 J Wagner GmbH filed Critical J Wagner GmbH
Publication of EP2929944A1 publication Critical patent/EP2929944A1/fr
Withdrawn legal-status Critical Current

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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
    • 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
    • B05B12/085—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 flow or pressure of liquid or other fluent material to be discharged
    • B05B12/087—Flow or presssure regulators, i.e. non-electric unitary devices comprising a sensing element, e.g. a piston or a membrane, and a controlling element, e.g. a valve
    • B05B12/088—Flow or presssure regulators, i.e. non-electric unitary devices comprising a sensing element, e.g. a piston or a membrane, and a controlling element, e.g. a valve the sensing element being a flexible member, e.g. membrane, diaphragm, bellows
    • 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
    • B05B7/02—Spray pistols; Apparatus for discharge
    • 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
    • B05B1/30—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages
    • B05B1/3033—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages the control being effected by relative coaxial longitudinal movement of the controlling element and the spray head
    • B05B1/304—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages the control being effected by relative coaxial longitudinal movement of the controlling element and the spray head the controlling element being a lift valve
    • B05B1/3046—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages the control being effected by relative coaxial longitudinal movement of the controlling element and the spray head the controlling element being a lift valve the valve element, e.g. a needle, co-operating with a valve seat located downstream of the valve element and its actuating means, generally in the proximity of the outlet orifice
    • 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
    • B05B7/0081—Apparatus supplied with low pressure gas, e.g. "hvlp"-guns; air supplied by a fan
    • 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
    • B05B7/02—Spray pistols; Apparatus for discharge
    • B05B7/08—Spray pistols; Apparatus for discharge with separate outlet orifices, e.g. to form parallel jets, i.e. the axis of the jets being parallel, to form intersecting jets, i.e. the axis of the jets converging but not necessarily intersecting at a point
    • B05B7/0807—Spray pistols; Apparatus for discharge with separate outlet orifices, e.g. to form parallel jets, i.e. the axis of the jets being parallel, to form intersecting jets, i.e. the axis of the jets converging but not necessarily intersecting at a point to form intersecting jets
    • B05B7/0815—Spray pistols; Apparatus for discharge with separate outlet orifices, e.g. to form parallel jets, i.e. the axis of the jets being parallel, to form intersecting jets, i.e. the axis of the jets converging but not necessarily intersecting at a point to form intersecting jets with at least one gas jet intersecting a jet constituted by a liquid or a mixture containing a liquid for controlling the shape of the latter
    • 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
    • B05B7/02—Spray pistols; Apparatus for discharge
    • B05B7/12—Spray pistols; Apparatus for discharge designed to control volume of flow, e.g. with adjustable passages
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
    • B05B9/01—Spray pistols, discharge devices
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7781—With separate connected fluid reactor surface
    • Y10T137/7793—With opening bias [e.g., pressure regulator]
    • Y10T137/7809—Reactor surface separated by apertured partition
    • Y10T137/782—Reactor surface is diaphragm

Definitions

  • the invention relates to a paint spraying device according to the preamble of claim 1.
  • the paint is atomized by means of an air blower through a high air volume flow at low pressure on a spray head.
  • the color is provided to the spray head either by a conveying air pressure or otherwise.
  • the amount of ink delivered is usually controlled by a needle valve and a trigger mechanism.
  • the air blower and paint supply are housed either in the gun unit or, alternatively, individually or collectively in a base station.
  • Such HVLP sputtering is, for example, in the US 2011/0073677 A1 called.
  • a portable sprayer with control unit, paint spray lance as well as spray head and separate paint reservoir is in the WO 2011/038712 A1 described.
  • the invention has for its object to provide a paint spraying device that produces the most uniform application of paint with economically improved construction.
  • this object is achieved in that a pressure reducer or a pressure regulator is connected upstream of the paint delivery line, which supplies a spray head with paint, to a spray gun or the like in such a way that the color print in the color delivery line is kept substantially constant.
  • the pressure reducer is subordinated according to the invention a Farbzussel für and upstream of a color delivery line.
  • a paint feed line is to be understood as meaning a line which is provided for supplying ink to the input of a paint dispensing device, for example to a spray gun or a paint input line of such a device.
  • a paint supply line lengths up to 8 m have.
  • a paint feed line can be understood, for example, as a paint hose.
  • a paint delivery line is to be understood as meaning a line which is provided for supplying ink to the outlet of an ink dispenser, for example a spray gun.
  • the ink discharge line is disposed within a paint dispenser, such as a spray gun.
  • the pressure reducer / pressure regulator comprises a color input line for guiding high-pressure ink and a color output line for guiding color at substantially constant lower pressure.
  • the two lines are connected to each other via a pressure reducer housing, wherein the housing has a preferably annular or circular interior having a diaphragm plate arranged therein.
  • the diaphragm plate has means which, depending on the pressure, change the cross section of the color input line or the cross section of the access to the preferably annular interior in the sense of throttling in the color input line.
  • the diaphragm plate is pressurized with an annular pressure diaphragm on its rear side facing away from the ink supply line by a, preferably adjustable in bias voltage spring or the like.
  • the pressurization of the diaphragm plate on the side facing away from the ink causes a precise specification of the aspired interior pressure and allows, if the bias voltage is additionally designed to change the interior pressure according to the required parameters.
  • a front side of the diaphragm plate to be conveyed is connected via a piston rod to a closure element, in particular a cross slide for the cross section of the color input line, the closure element corresponding to the cross section of the color input line corresponding to a deformation of the membrane and a associated movement of the diaphragm plate changed, or for Reduces pressure reduction.
  • the direct coupling of the diaphragm plate via a piston rod with a closure element controls, depending on the internal pressure of the interior of the cross section of the color input lines and thereby causes, according to the known physical principles that only one of the open cross-sectional area corresponding proportion of the pressure in the color input line is transmitted to the interior ,
  • a related expedient development provides that the position of the closure element is adjustable relative to the piston rod, in particular via a thread adjustable.
  • an increased internal pressure and thus an increased pressure on the paint outlet line at the pressure reducer / pressure regulator can be effected.
  • the diaphragm plate is formed as a screen-shaped element with integrally formed piston rod and consists of a rigid material and a flexible material relative to the rigid membrane at least partially rests or a membrane is attached to the diaphragm plate, wherein the membrane in the outer region of the diaphragm plate a bendable portion for sealing the annular interior with respect to a housing cover is formed.
  • the membrane plate which acts together with the membrane as a pressure-receiver for the pressure in the interior of the housing, is held in its edge region by the corresponding membrane movable without causing a significant influence or even change the pressure-force relationships in the interior the membrane unit of diaphragm plate and membrane is required.
  • the closure element with at least one, preferably two, sealing elements.
  • the sealing elements can be arranged in particular as O-rings in a recess.
  • a further expedient development provides that in the region of the interior of a raised surface of a raised structure is arranged, the structure as flow deflector or flow collar or the like at least partially surrounds a Contestinlassö réelle, and a flow for continuous circulation of the color in the interior during operation or cleaning the paint spraying device generated. In this way, it is avoided that in the area of the pressure reducer / pressure regulator color dwells and, if necessary, dries or forms dormant areas which are not exposed to the color flow.
  • a flexible membrane between a lower housing part of the pressure reducer and a housing cover of the pressure reducer circumferentially fixed, in particular clamped or welded.
  • the flexible membrane which is clamped or held in a similar manner between two housing components of the pressure reducer housing, serves as a suspension for the diaphragm plate, which in turn serves the means for varying the cross section of the color input line.
  • a simple separation of the color area from a rear area which comprises for example a spring for providing a back pressure, is possible.
  • closure element is designed as a slide or valve element with internal channel.
  • the closure element allows in this embodiment, either a cross-sectional change by direct action on the channel cross-section of the color input line, or a cross-sectional change by relative displacement of two channels to each other, as is realized for example in conventional ball valves or the like.
  • the pressure reducer as an exchangeable module, in particular as a module with screw and / or quick connector on the color input line and / or color output line.
  • the pressure reducer which is the subject of contamination or drying of paint by its movable components and possibly narrow cross-sections, can be designed as a replaceable assembly, in particular as a disposable part, so as not to reduce the life of the entire paint spraying device.
  • the diaphragm plate and / or the membrane is formed as a one-piece component, in particular as an injection-molded component, wherein in particular rigid components thick-walled and flexible components are formed thin-walled and / or the membrane in its outer edge region a bulge or a clamping edge having.
  • the diaphragm plate and the diaphragm may be made in one piece (mainly plastic) e.g. by means of plastic injection molding process.
  • Elastic parts are made thin-walled, rigid parts are made thick-walled, and thereby obtained in each case the desired property and elasticity.
  • Threads can also be molded.
  • the outermost membrane periphery is made thicker to stabilize the attachment / clamping in the housing.
  • the membrane can be impressed in cross-section a ripple, which defines the defined deformation range defined.
  • Paint application device for applying paint to a substrate such as paint rollers, paint brush, color pad or the like known
  • the paint application device is supplied via a paint reservoir by means of a paint pump with paint.
  • a pressure reducer / pressure regulator is arranged according to the embodiments of the present invention description.
  • a substantially constant color print in particular usually a reduced pressure to about 0.3 to 0.4 bar, is desirable in order to produce a uniform spray pattern.
  • the FIG. 1 shows a paint spraying device 1 as a so-called front end 2 of a paint spray gun.
  • the so-called front end is detachably connected as an assembly which contains the ink-carrying constituents, with another assembly which, for example, carries the fan or the air supply line, whereby flexibilities are generated by exchangeable front ends.
  • the paint spraying device comprises a spray head 3 with a front paint nozzle 4, which is actuated by a needle valve 5 through a trigger 6.
  • the spray head 3 forms by an air cap 7 and an air curtain 8 an atomizer nozzle, which can be opened or closed by the needle head 9 of the needle 10 of the needle valve 5.
  • the system of the spray head 3 is fixed by the union nut 11 and held on the body 12.
  • the needle 10 is withdrawn via the trigger 6 by means of a bolt 13 against a spring 14 and can thus deliver in the form of a paint spray gun paint through the spray head 3.
  • connection housing 30 for the ink supply and for receiving a pressure reducer / pressure regulator 40 (hereinafter only Pressure reducer) provided.
  • the pressure reducer 40 comprises a color input line 41, to which the paint supply line 42 is connected via a connection hose.
  • the color input line 41 is tapered at the pressure reducer in its cross section 43, wherein a closure element 44 is arranged at this point.
  • Adjoining the tapered cross-sectional location 43 is an interior space 50 of the pressure reducer 40, in which in turn a diaphragm plate 51 is arranged, which acts on the closure element 44 via a piston rod 59.
  • the diaphragm plate 51 is laterally circumferentially suspended on a membrane 52 and supported on its rear side 53 against a spring 54.
  • a fitting in the interior 50 pressure by color is thus on the diaphragm plate 51 and the diaphragm front 55, the diaphragm plate 51 and thus the closure member 44 via the piston rod 59 in the direction of the spring 54 to move until the pressure force of the ink from the interior 50 of the spring force the spring 54 is compensated.
  • the closure element 44 closes the cross-section 43 and thus reduces the pressure transfer from the ink feed line 42 via the color input line 41 into the interior space 50. Through this interaction, the pressure in the interior space 50 remains substantially constant.
  • the color output line 56 connects, which opens into the color discharge line 20, via which the color is then transferred at a constant, compared to the input side reduced pressure to the ink discharge space 21.
  • FIGS. 2a to 2c show the pressure reducer 40 in an isolated sectional view.
  • FIG. 2a shows the opened state
  • FIG. 2b the state in the middle control operation
  • Figure 2c the closed state.
  • the components are denoted by the same reference numerals as used in the description FIG. 1 were introduced.
  • FIGS. 2a to 2c illustrated pressure reducer housing 60 comprises a housing lower part 61 and a housing cover 62.
  • the paint supply line 42 (not shown) is connected via a threaded screw connection 63 as shown in FIG FIG. 1 attached.
  • the pressure reducer 40 is the upper side, connected to the color discharge line 20 in the paint spraying device 1 at its color output line 56 via a quick release 64, in the present case in the form of a positive locking connection.
  • pressure reducer housing 60 includes a pressure regulating device by means of a diaphragm 52 control.
  • a diaphragm plate 51 is arranged in a lateral housing projection 65 with a cup-shaped housing cover 62, which comprises an annular pressure membrane 52.
  • the annular pressure membrane 52 is secured between the housing extension 65 and the cup-shaped housing cover 62 with a clamp 66.
  • the diaphragm plate 51 with annular pressure diaphragm 52 thus defines an annular interior space 50 through which the paint to be conveyed flows.
  • the diaphragm plate 51 comprises, on its front side 55 facing the inner space 50, a piston rod 59 which extends transversely to the direction of flow 70 of the ink.
  • the piston rod 59 is connected on its side facing away from the diaphragm plate 51 with a closure element 44 in a receiving bore 71.
  • the closure element 44 is designed as a kind of cross slide and movably mounted within the pressure reducer housing 60 in the transverse direction to the flow direction 70.
  • the storage and sealing in the transverse direction via two O-rings 72, 73 which surround the cylindrical part of the closure member 44.
  • the cylindrical body of the closure element 44 serves to change the inlet cross section 43 of the color input line 41 to the annular inner space 50 of the housing extension 65 of the pressure reducer housing 60.
  • FIGS. 2a to 2c shown movement of the piston rod 59 causes opening and closing of the cross section 43.
  • the FIG. 2a shows a kind of open position that FIG. 2b a position of the closure element 44 at the beginning of the closed position and Figure 2c the closed position of the cross section 43. In this position, the O-rings 72, 73 via the closure member 44 seal the interior 50 relative to the color input line 41 completely.
  • the cup-shaped housing cover 62 has a helical spring 54, which presses the diaphragm plate 51 and thus the annular diaphragm 52 in the opposite direction, that is in the direction of the closure member 44.
  • the coil spring can be made variable in their bias.
  • FIG. 2a shows within the housing projection 65, a first stop 80, on which the diaphragm plate 51 is laterally supported in its one end position and a second end stop 81 in Figure 2c on the pot-shaped housing cover 62nd
  • FIG. 3 the lower housing part 61 is again shown separately with the housing projection 65.
  • the FIG. 3 shows the housing projection 65 without the diaphragm plate.
  • a U-shaped web in the form of a flow collar 90 can be seen, which partially surrounds the inlet opening 91, in which the closure element 44 is movably arranged, the color input line 41.
  • the color is deflected by the U-shaped flow collar 90 and passes from the annular interior 50 into the opening 93 to the color output line 56.
  • the U-shape of the flow collar 90 within the pressure reducer 40 also serves to clean (for Example with water) to generate turbulence, so that the entire pressure reducer is flushed through, at the same time thus avoided in operation with color fluidic dead spaces in which, for example, color crumbs could settle.
  • FIG. 4 shows an example of the construction of the pressure reducer 40 as an assembly 96, which can be attached to a front end 2.
  • the pressure reducer is interchangeable and can be adapted to the physical properties of the color to be processed, or easily replaced in the event of contamination.
  • the pressure reducer according to the invention now serves to reduce the pressure prevailing in the ink supply line 42 high pressure of up to 8 bar to a required in the color discharge line 20 lower pressure of about 0.3 to 0.4 bar. This is necessary in particular in the event of an interruption of the ink delivery, for example during a work break, in order to ensure the inking quality.
  • the present invention in contrast to arrangements which, in addition to the pressure reduction or pressure control, comprise a color return line in a color supply, to a dynamic pressure over circulating color
  • the present invention in particular with only one color flow line and only one color output line.
  • a needle valve according to the invention are all types of needle valves, including those with a, deviating from a rotationally symmetrical head shape needle head, as they are known from inventions of the Applicant to understand.
  • annular or circular interior in the context of the invention, the interior is to be understood, which forms annularly substantially around a color entry around. It is irrelevant whether a ring is actually formed with centric lying interruption of the room, or whether there is a circular cavity with befindlichem in the center inlet channel without interruption.

Landscapes

  • Nozzles (AREA)
  • Spray Control Apparatus (AREA)
EP15162371.7A 2014-04-08 2015-04-02 Dispositif de pulvérisation de couleur Withdrawn EP2929944A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102014104982 2014-04-08

Publications (1)

Publication Number Publication Date
EP2929944A1 true EP2929944A1 (fr) 2015-10-14

Family

ID=52785002

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15162371.7A Withdrawn EP2929944A1 (fr) 2014-04-08 2015-04-02 Dispositif de pulvérisation de couleur

Country Status (4)

Country Link
US (1) US9610601B2 (fr)
EP (1) EP2929944A1 (fr)
CN (1) CN104971838A (fr)
DE (1) DE102015105121A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015105117A1 (de) 2014-04-08 2015-10-08 J. Wagner Gmbh Farbauftragsystem
FR3058331B1 (fr) * 2016-11-04 2023-05-19 Exel Ind Ensemble de projection pneumatique, restricteur pour un tel ensemble et installation de projection de produit de revetement comprenant un tel ensemble ou un tel restricteur
JP6792534B2 (ja) * 2017-10-11 2020-11-25 株式会社ニフコ 流体吐出機構、及び車両用カメラ又はセンサーに対する流体の吹き付け装置
US11950677B2 (en) 2019-02-28 2024-04-09 L'oreal Devices and methods for electrostatic application of cosmetics
DE102020115837A1 (de) 2020-06-16 2021-12-16 Bayerische Motoren Werke Aktiengesellschaft Sprühvorrichtung für eine Sprühpistole, Sprühpistole sowie Verwendung einer Sprühpistole

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3720373A (en) * 1971-08-30 1973-03-13 G Levey Recirculating paint system or the like
WO1997003756A1 (fr) * 1995-07-19 1997-02-06 Hose Specialties/Capri, Inc. Systeme de peinture avec recyclage
EP1084760A2 (fr) * 1999-08-16 2001-03-21 Illinois Tool Works Inc. Ensemble de régulation et d'étranglement pour buse de pulvérisation
US20110073677A1 (en) 2007-02-07 2011-03-31 Klaus Karl Hahn Sprayer system
WO2011038712A1 (fr) 2009-10-02 2011-04-07 J. Wagner Gmbh Appareil de pulvérisation de peinture transportable

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Publication number Priority date Publication date Assignee Title
DE1577667A1 (de) * 1966-01-20 1970-07-23 Clifford Covering Company Ltd Vorrichtung zur Verteilung von Fluessigkeit,insbesondere zum Farbspritzen
GB1155328A (en) * 1966-10-11 1969-06-18 Clifford Covering Company Ltd Paint Spraying Systems.
SE330660B (fr) 1969-04-22 1970-11-23 Atlas Copco Ab
FR2270011B1 (fr) 1974-03-08 1976-10-08 Fogautolube Sa
US4682710A (en) * 1986-04-15 1987-07-28 Nordson Corporation Multi-station viscous liquid distribution system
SE460524B (sv) 1987-04-27 1989-10-23 Carl Manne Carlzon Anordning vid tvaett och spolningsapparater foer kontinuerlig alstring av skum
DE9005155U1 (de) 1990-05-07 1990-07-12 Bersch & Fratscher GmbH, 8757 Karlstein Niederdruck-Spritzpistole
DE4221156A1 (de) 1992-06-27 1994-01-05 Lechler Gmbh & Co Kg Einrichtung zur Zufuhr von Flüssigkeit und Luft zu einer Zweistoffdüse
DE10140216B4 (de) 2001-08-17 2006-02-09 ITW Oberflächentechnik GmbH & Co. KG Verfahren und Vorrichtung an einer Lackiereinrichtung zum Reinigen einer Lack-Förderleitung
FR2949983B1 (fr) * 2009-09-14 2013-06-14 Air Et Pulverisation Dispositif de pulverisation de peinture

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3720373A (en) * 1971-08-30 1973-03-13 G Levey Recirculating paint system or the like
WO1997003756A1 (fr) * 1995-07-19 1997-02-06 Hose Specialties/Capri, Inc. Systeme de peinture avec recyclage
EP1084760A2 (fr) * 1999-08-16 2001-03-21 Illinois Tool Works Inc. Ensemble de régulation et d'étranglement pour buse de pulvérisation
US20110073677A1 (en) 2007-02-07 2011-03-31 Klaus Karl Hahn Sprayer system
WO2011038712A1 (fr) 2009-10-02 2011-04-07 J. Wagner Gmbh Appareil de pulvérisation de peinture transportable

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Publication number Publication date
CN104971838A (zh) 2015-10-14
US9610601B2 (en) 2017-04-04
US20150283568A1 (en) 2015-10-08
DE102015105121A1 (de) 2015-10-08

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