EP0835692A2 - Vorrichtung zum Aufbringen von Beschichtungsgut auf einen Gegenstand - Google Patents
Vorrichtung zum Aufbringen von Beschichtungsgut auf einen Gegenstand Download PDFInfo
- Publication number
- EP0835692A2 EP0835692A2 EP97114150A EP97114150A EP0835692A2 EP 0835692 A2 EP0835692 A2 EP 0835692A2 EP 97114150 A EP97114150 A EP 97114150A EP 97114150 A EP97114150 A EP 97114150A EP 0835692 A2 EP0835692 A2 EP 0835692A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- particle
- jet nozzle
- baffle
- compressed air
- particles
- 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
Links
- 239000011248 coating agent Substances 0.000 title claims description 7
- 238000000576 coating method Methods 0.000 title claims description 7
- 239000000463 material Substances 0.000 title claims description 6
- 239000002245 particle Substances 0.000 claims abstract description 176
- 230000000712 assembly Effects 0.000 claims description 6
- 238000000429 assembly Methods 0.000 claims description 6
- 238000007664 blowing Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012777 electrically insulating material Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
Images
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
- B05B7/1481—Spray pistols or apparatus for discharging particulate material
- B05B7/1486—Spray pistols or apparatus for discharging particulate material for spraying particulate material in dry state
-
- 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
- B05B1/26—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with means for mechanically breaking-up or deflecting the jet after discharge, e.g. with fixed deflectors; Breaking-up the discharged liquid or other fluent material by impinging jets
- B05B1/262—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with means for mechanically breaking-up or deflecting the jet after discharge, e.g. with fixed deflectors; Breaking-up the discharged liquid or other fluent material by impinging jets with fixed deflectors
-
- 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
- B05B12/16—Arrangements for controlling delivery; Arrangements for controlling the spray area for controlling the spray area
- B05B12/18—Arrangements for controlling delivery; Arrangements for controlling the spray area for controlling the spray area using fluids, e.g. gas streams
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B5/00—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
- B05B5/08—Plant for applying liquids or other fluent materials to objects
- B05B5/087—Arrangements of electrodes, e.g. of charging, shielding, collecting electrodes
-
- 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
- B05B1/02—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to produce a jet, spray, or other discharge of particular shape or nature, e.g. in single drops, or having an outlet of particular shape
- B05B1/04—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to produce a jet, spray, or other discharge of particular shape or nature, e.g. in single drops, or having an outlet of particular shape in flat form, e.g. fan-like, sheet-like
Definitions
- the invention relates to a device for applying Coating material in the form of powdery, granulated, flaky or the like shaped particles on one Object, with a baffle and a particle jet nozzle arrangement, from which a particle stream with a Jet pressure emerges and blown against the impact surface at which the particles are at a distance from the baffle opposite object to be redirected, whereby an electrode device for charging the particles with one different from the potential of the object Potential is provided.
- the object of the invention is therefore a device of the type mentioned at the beginning, which enables to apply particles to large objects over the entire surface, without having to move the device.
- This object is achieved according to a first embodiment solved in that two particle jet nozzle arrangements to obliquely inflate two particle streams against the Baffle available from opposite sides are such that the two on the baffle object diverted particle streams a common, form a particle stream directed against the object, being used to change the direction of the common particle flow the jet pressure at at least one of the particle jet nozzle arrangements is changeable.
- two particle streams generated obliquely towards and towards the baffle surface then, after being redirected towards the object to run towards each other and meet, so that they juxtaposed or mixed together the common Form particle stream.
- the direction of this common Particle flow depends on the jet pressure on the two Particle nozzle arrangements. If the pressure conditions change, this also changes the direction of the common Particle flow. You zoom in or out one of the particle jet nozzle arrangements the blowing pressure, the common particle stream shifts from this Particle jet nozzle arrangement away or towards this, see above that the common particle stream is correspondingly large Can paint over surfaces.
- a compressed air flow from the Side against the particle stream can be directed.
- the at least one compressed air stream therefore acts on the particle flow from the side and if he presses it, the air pressure is increased in the direction away from the relevant compressed air jet nozzle arrangement.
- the at least one compressed air stream in Area between the particle jet nozzle arrangement and the Baffle is directed against the particle flow. In this area overlap to the baffle and from of these flying particles. Furthermore, it has proven to be advantageously emphasized that the at least one compressed air jet nozzle arrangement is aligned so that you Compressed air flow directed towards the impact surface at an angle is.
- the second embodiment is a compressed air jet nozzle arrangement on both sides of the particle flow present so that opposed to each other Compressed air flow against each side the particle flow can be directed.
- the baffle is expediently in aligned essentially vertically.
- the two particle jet nozzle arrangements of the first embodiment or the two compressed air jet nozzle arrangements the second embodiment in the vertical direction be arranged one above the other. The level at which the can be shifted respective particle stream is thus vertical.
- the gravity acting on the particles can be controlled by appropriate pressure control Nozzle arrangements can be compensated.
- the baffle can from the bottom surface of a gutter, tub or bowl-like body formed will. This can be on both sides of the floor area in the essentially obtuse at these attached wall sections exhibit. These wall sections can be an unintentional one Particles leak into the environment prevent.
- the two particle jet nozzle arrangements of the first Embodiment or the at least one compressed air jet nozzle arrangement the second embodiment can be in the peripheral area the baffle surface.
- additional compressed air jet nozzle arrangements for deflection of the particle stream directed towards the object inwards there are. These additional compressed air jet nozzle arrangements serve in particular the particles that would fly past the object towards the object redirect.
- This Electrode device can be of an electrode arrangement between the baffle and the object, conveniently in the area of the baffle, and / or one Electrode arrangement on the side facing away from the object Side of the baffle are formed. In principle, it is enough so it, just either between the object and the Impact surface or on the side facing away from the object to provide an electrode arrangement for the impact surface.
- both electrode arrangements are expedient present, being between the two electrode arrangements an alternating voltage and between one of the electrode arrangements and a DC voltage is applied to the object, such that the particles reaching the baffle whirled up by means of the alternating voltage field be charged in the area of the baffle and into the DC field accelerating them towards the object immerse as it is in an appropriate manner e.g. emerges from DE-AS 20 36 279.
- the one located between the object and the baffle Electrode arrangement should be grid or rust-like be designed so that there is a large area Electrode arrangement results and on the other hand the passage the particles to the object practically not hindered becomes.
- the side of the baffle facing away from the object arranged electrode arrangement can be film-like.
- Items 1; 1a in particular made of metal, are in the Practice often with a layer against corrosion and / or covered for colored design. This will be done first a coating material in the form of powder, granules, flake-like particles or the like on the respective Item 1 applied. Subsequently, the on the particle layer 1 located by an suitable further processing, especially by exposure to heat, firmly connected and evened out.
- a device is used to apply the coating material 2; 2a, the object to be coated 1; 1a in one of the device 2; Brought 2a opposite position becomes.
- the items can be used in series production 1; 1a by means of a transport device only indicated 3; 3a successively the device 2; 2a containing Run through the system (in FIGS. 1 and 3 perpendicular to Drawing level).
- this particle stream 4 originally consists of two separate particle streams 5, 6 together, the each from a particle jet nozzle arrangement 7 or 8 emerge.
- the two particle jet nozzle arrangements 7, 8 are spaced from each other and arranged in such a way that the two individual particle streams 5, 6 of opposite Pages obliquely against an object 1 facing impact surface 9 are blown, with which they Hit each other and towards object 1 similar to a reflection, so that they run towards each other and become the common particle stream 4 combine.
- a particle jet nozzle arrangement 7a available in the area between the baffle 9a and the object 1a is arranged so that the emerging from it Particle flow 5a transverse to the baffle 9a this, expediently against the middle baffle area, is directed.
- the particle stream 5a also points like the particle streams 5, 6 of the embodiment according to FIG. 1 a certain spread angle. In the drawing are the Clarity because of only a few beam lines.
- the particle stream 5a becomes, it arrives at the impact surface 9a, on this towards object 1a, again in the manner of a reflection, redirected so that it forms the particle stream 4a. Without further action this particle stream 4a could only have a scattering angle corresponding area of item 1a capture.
- the at least one compressed air stream 21a, 22a in the area between the particle jet nozzle arrangement 7a and the baffle 9a against the particle flow 4a, 5a is directed so that the compressed air flow both to and away from the baffle 9a flying particles captured and distracted.
- the at least one compressed air jet nozzle arrangement 19a, 20a so aligned that their compressed air flow 21a, 22a at an angle to the impact surface this is directed.
- the particle jet nozzle assemblies 7, 8 of the embodiment 1 correspond to the two compressed air jet nozzle arrangements 19a, 20a of the embodiment according to FIG. 3 practically only with the difference that the latter without Particle supply can be used.
- the two Particle jet nozzle arrangements 7, 8 and in the embodiment 3 the two compressed air jet nozzle arrangements 19a, 20a one above the other in the vertical direction arranged so that the object 1; 1a directed Particle stream 4; 4a shift in this vertical plane leaves.
- the two Particle jet nozzle arrangements 7, 8 or the two Compressed air jet nozzle assemblies 19a, 20a in another to be arranged as the vertical plane, so that the to Item 1; 1a directed particle stream in this another level is movable.
- the baffle 9; 9a is substantially vertical. Of the Item 1; 1a is about the same height across from. In the embodiments, the baffle 9; 9a from the bottom surface 10; 10a of a gutter, tub-like or bowl-like body 11; 11a formed.
- the Baffle 9; 9a expediently the whole body 11; 11a, consist of electrically insulating material. Of the Body 11; 11a is on the circumference of the bottom surface 10; 10a on both sides of this with towards the to be coated Item 1; 1a protruding wall sections 12; 12a provided. These wall sections 12; 12a are expediently essentially obtuse the bottom surface 10; 10a. With the help of this Wall sections 12; 12a is avoided that the particles on the baffle 9; 9a blown past into the environment will. So they form a baffle, so to speak.
- the two particle jet nozzle arrangements are 7, 8 and the two compressed air jet nozzle arrangements 19a, 20a in the peripheral region of the Baffle 9; 9a arranged. They are on from the bottom surface 10; 10a protruding wall sections 12; 12a of the gutter, tub or bowl-like Body 11; 11a.
- the particle streams 5, 6 and two compressed air flows 21a, 22a leave in the illustrated Cases the particle jet nozzle arrangements 7, 8 or the compressed air jet nozzle arrangements 19a, 20a, for example parallel to the facing wall section 12 or 12a.
- additional compressed air jet nozzle arrangements can 23, 24; 23a, 24a for distraction the object-directed particle stream 4; 4a after be present inside. This is a distraction in the The meaning of bundling.
- the additional ones work Compressed air jet nozzle arrangements 23, 24; 23a, 24a obliquely to item 1; 1a from the respective side forth on the particle flow and in particular on the Particles that are at that of each additional Compressed air jet nozzle arrangement side facing the Particle stream fly.
- the from the additional Jet nozzle arrangements 23, 24; 23a, 24a emerging Compressed air flows 25, 26 and 25a, 26a are dash-dotted indicated. They are obliquely inward towards item 1; 1a directed towards.
- the arrangement is made so that they only in the embodiment of FIG. 1 in Area of the common particle stream 4 against this meet and in the embodiment of FIG Compressed air flows 21a, 22a of the compressed air jet nozzle arrangements 19a, 20a do not disturb.
- the two additional ones Jet nozzle arrangements 23, 24; 23a, 24a are thus with respect to the blowing direction of the particle jet nozzle assemblies 7, 8 of the embodiment according to FIG. 1 or with Regarding the compressed air jet nozzle arrangements 19a, 20a 3 closer to the one to be coated, Item 1; 1a out.
- Each particle jet nozzle arrangement 7, 8 or each Compressed air jet nozzle arrangement 19a, 20a should be on the opposite side of the particle flow one additional compressed air jet nozzle arrangement assigned be so that in the exemplary embodiments two additional compressed air jet nozzle arrangements available are.
- the pressure conditions so that in Fig. 1 the jet pressure, for example, on the particle jet nozzle arrangement 7 is so large that the common particle flow 4 runs quite far down, you can with the additional compressed air jet nozzle arrangement 24 this Particle stream that may fly partially past the object would distract towards the inside of item 1.
- the additional compressed air jet nozzle arrangement 23a by means of the compressed air jet nozzle arrangement 20a upwards Steer displaced particles obliquely towards object 1a.
- Compressed air jet nozzle arrangements 23, 24; 23a, 24a also on the wall sections 12; 12a of the body 11; 11a, with a greater distance from the floor surface 10; 10a as the particle jet nozzle assemblies 7, 8, respectively Compressed air jet nozzle arrangements 19a, 20a.
- the device 2; 2a a Electrode device 13, 14; 13a, 14a by one Electrode arrangement 13; 13a between the baffle 9; 9a and item 1; 1a, expediently in the area the baffle 9; 9a, and from an electrode arrangement 14; 14a on the subject 1; 1a facing away from the Baffle 9; 9a is formed.
- the electrical voltage sources for the electrode arrangements are not shown.
- Between the two electrode arrangements 13, 14; 13a, 14a is an AC voltage and between one of the two electrode arrangements, advantageously the Electrode arrangement 13; 13a, and item 1; 1a a DC voltage on.
- Item 1; 1a is provided with the potential 0 volts. In principle, item 1; 1a, however, also any, for the relevant electrode arrangement assume different potential. However, it is particularly useful for security reasons, for this 0 volts to choose.
- the on the subject 1; 1a facing away from the Baffle 9; 9a arranged electrode arrangement 14; 14a is designed like a film in the exemplary embodiments.
- the thickness of this film is for better clarity because enlarged compared to the rest of the device shown.
- the between the baffle 9; 9a located electrode arrangement 13; 13a is formed like a grid or rust, so that it is composed of individual electrodes, of which only for the sake of clarity some with reference number 13; 13a are provided. At these electrodes are expediently coiled wires. Basically, this electrode arrangement 13; 13a be designed so that they from the Particles can be traversed as freely as possible.
- the two particle jet nozzle arrangements 7, 8 are from a common pressure medium source 15 fed, which expediently a compressed air source is. In principle, however, you could also use a different gas be worked.
- the particle jet nozzle assembly 7 is via an adjustable valve 16 with the pressure medium source 15 connected so that on the particle jet nozzle assembly 7 a pressure p set during operation can be.
- the particle jet nozzle assembly 8 is also via an adjustable valve 17 with the pressure medium source 15 connected, this valve 17 a Control valve 18 is connected in parallel.
- the two adjustable Valves 16, 17 are set in a Relationship to each other, and via the control valve 18 becomes the pressure of the particle jet nozzle assembly 8 varies. In this way, the jet pressure of the Particle jet nozzle arrangement 8 compared to that of the jet nozzle arrangement 7 can be changed so that the common Particle stream 4 in the direction of the jet nozzle arrangement 7 or is moved away from this.
- the pressure ratios vary during use pulsating, so to speak, so that you can be the one Item 1; 1a continuously sweeping Receives particle stream.
Abstract
Description
- Fig. 1
- eine erste Ausführungsform der erfindungsgemäßen Vorrichtung mit vertikal übereinander angeordneten Teilchen-Strahldüsenanordnungen im Vertikalschnitt,
- Fig. 2
- eine Möglichkeit der Variation des Strahldruckes für die Teilchen-Strahldüsenanordnungen der Vorrichtung gemäß Fig. 1 und
- Fig. 3
- eine zweite Ausführungsform der Erfindung mit vertikal übereinander angeordneten DruckluftStrahldüsenanordnungen im der Fig. 1 entsprechenden Vertikalschnitt.
Claims (17)
- Vorrichtung zum Aufbringen von Beschichtungsgut in Gestalt von pulverigen, granulierten, flockigen oder dergleichen gestalteten Teilchen auf einen Gegenstand, mit einer Prallfläche und einer Teilchen-Strahldüsenanordnung, aus der ein Teilchenstrom mit einem Strahldruck austritt und gegen die Prallfläche geblasen wird, an der die Teilchen zum der Prallfläche mit Abstand gegenüberliegenden Gegenstand hin umgelenkt werden, wobei eine Elektrodeneinrichtung zum Aufladen der Teilchen mit einem zum Potential des Gegenstandes unterschiedlichen Potential vorgesehen ist, dadurch gekennzeichnet, daß zwei Teilchen-Strahldüsenanordnungen (7, 8) zum schrägen Aufblasen von zwei Teilchenströmen (5, 6) gegen die Prallfäche (9) von entgegengesetzten Seiten her vorhanden sind, derart, daß die beiden an der Prallfläche (9) zum Gegenstand (1) hin umgelenkten Teilchenströme (5, 6) einen gemeinsamen, gegen den Gegenstand (1) gerichteten Teilchenstrom (4) bilden, wobei zur Veränderung der Richtung des gemeinsamen Teilchenstroms (4) der Strahldruck an mindestens einer der Teilchen-Strahldüsenanordnungen (7, 8) veränderbar ist.
- Vorrichtung zum Aufbringen von Beschichtungsgut in Gestalt von pulverigen, granulierten, flockigen oder dergleichen gestalteten Teilchen auf einen Gegenstand, mit einer Prallfläche und einer Teilchen-Strahldüsenanordnung, aus der ein Teilchenstrom mit einem Strahldruck austritt und gegen die Prallfläche geblasen wird, an der die Teilchen zum der Prallfläche mit Abstand gegenüberliegenden Gegenstand hin umgelenkt werden, wobei eine Elektrodeneinrichtung zum Aufladen der Teilchen mit einem zum Potential des Gegenstandes unterschiedlichen Potential vorgesehen ist, dadurch gekennzeichnet, daß die TeilchenStrahlendüsenanordnung (7a) zwischen der Prallfläche (9a) und, dem Gegenstand (1a) so angeordnet ist, daß der aus ihr austretende Teilchenstrom (5a) quer zur Prallfläche (9a) gegen diese gerichtet ist, und daß seitlich vom Teilchenstrom (5a) mindestens eine Druckluft-Strahldüsenanordnung (19a, 20a) angeordnet ist, mit der zum Steuern der Richtung des Teilchenstroms ein Druckluft-Strom (21a, 22a) von der Seite her gegen den Teilchenstrom gerichtet werden kann.
- Vorrichtung nach Anspruch 2, dadurch gekennzeichnet, daß der mindestens eine Druckluft-Strom (21a, 22a) im Bereich zwischen der Teilchen-Strahldüsenanordnung (19a, 20a) und der Prallfläche (9a) gegen den Teilchenstrom gerichtet ist.
- Vorrichtung nach Anspruch 2 oder 3, dadurch gekennzeichnet, daß die mindestens eine Druckluft-Strahldüsenanordnung (19a, 20) so ausgerichtet ist, daß ihr Druckluf-Strom (21a, 22a) schräg zur Prallfläche (9a) auf diese hin gerichtet ist.
- Vorrichtung nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß beiderseits des Teilchenstroms (4a, 5) jeweils eine Druckluft-Strahldüsenanordnung (19a, 20a) vorhanden ist, so daß von einander entgegengesetzten Seiten her jeweils ein Druckluft-Strom (21a, 22a) gegen den Teilchenstrom gerichtet werden kann.
- Vorrichtung nach Anspruch 1 beziehungsweise Anspruch 5, dadurch gekennzeichnet, daß die beiden Teilchen-Strahldüsenanordnungen (7, 8) bzw. die beiden Druckluft-Strahldüsenanordnungen (19a,20a) in vertikaler Richtung übereinander angeordnet sind.
- Vorrichtung nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß die Prallfläche (9; 9a) im wesentlichen vertikal ausgerichtet ist.
- Vorrichtung nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß die Prallfläche (9; 9a) von der Bodenfläche (10; 10a) eines rinnen-, wannen- oder schalenartigen Körpers (11; 11a) gebildet wird.
- Vorrichtung nach Anspruch 8, dadurch gekennzeichnet, daß der rinnen-, wannen- oder schal enartige Körper beiderseits der Bodenfläche (10; 10a) im wesentlichen stumpfwinkelig an diese angesetzte Wandabschnitte (12; 12a) aufweist.
- Vorrichtung nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, daß die beiden Teilchen-Strahldüsenanordnungen (5, 6) bzw. die mindestens eine Druckluft-Strahldüsenanordnung (19a, 20a) im Umfangsbereich der Prallfläche (9; 9a) angeordnet sind.
- Vorrichtung nach Anspruch 10, dadurch gekennzeichnet, daß die Teilchen-Strahldüsenanordnungen (5, 6) bzw. die mindestens eine Druckluft-Strahldüsenanordnung (19a, 20a) an den von der Bodenfläche (10; 10a) abstehenden Wandabschnitten (12; 12a) des rinnen-, wannen- oder schalenartigen Körpers (11) angeordnet sind.
- Vorrichtung nach einem der Ansprüche 1 bis 11, dadurch gekennzeichnet, daß zusätzliche Druckluft-Strahldüsenanordnungen (23; 23a) zum Ablenken des zum Gegenstand (1; 1a) gerichteten Teilchenstroms nach innen hin vorhanden sind.
- Vorrichtung nach einem der Ansprüche 1 bis 12, dadurch gekennzeichnet, daß die Elektrodeneinrichtung von einer Elektrodenanordnung (13; 13a) zwischen der Prallfläche (9; 9a) und dem Gegenstand (1; 1a), zweckmäßigerweise im Bereich der Pralllfäche, und/oder von einer Elektrodenanordnung (14; 14a) an der dem Gegenstand (1; 1a) abgewandten Seite der Prallfläche (9; 9a) gebildet wird.
- Vorrichtung nach Anspruch 13, dadurch gekennzeichnet, daß die zwischen Gegenstand (1; 1a) und Prallfläche (9; 9a) angeordnete Elektrodenanordnung (13; 13a) gitteroder rostartig ausgebildet ist.
- Vorrichtung nach Anspruch 13 oder 14, dadurch gekennzeichnet, daß die an der dem Gegenstand (1; 1a) abgewandten Seite der Prallfläche (9; 9a) angeordnete Elektrodenanordnung (14; 14a) folienartig ausgebildet ist.
- Vorrichtung nach einem der Ansprüche 11 bis 15, dadurch gekennzeichnet, daß zwischen den beiden Elektrodenanordnungen (13, 14; 13a, 14a) eine Wechselspannung und zwischen einer der Elektrodenanordnungen (13; 13a) und dem Gegenstand (1; 1a) eine Gleichspannung anliegt, derart, daß die zur Prallfläche (9; 9a) gelangenden Teilchen mittels des Wechselspannungsfeldes aufgewirbelt werden, im Bereich der Prallfläche elektrisch aufgeladen werden und in das sie zum Gegenstand hin beschleunigende Gleichspannungsfeld eintauchen.
- Vorrichtung nach einem der Ansprüche 1 bis 16, dadurch gekennzeichnet, daß das Potential des Gegenstandes (1; 1a) 0 Volt beträgt.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19641958 | 1996-10-11 | ||
DE19641958A DE19641958A1 (de) | 1996-10-11 | 1996-10-11 | Vorrichtung zum Aufbringen von Beschichtungsgut auf einen Gegenstand |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0835692A2 true EP0835692A2 (de) | 1998-04-15 |
EP0835692A3 EP0835692A3 (de) | 2001-04-25 |
EP0835692B1 EP0835692B1 (de) | 2003-01-22 |
Family
ID=7808473
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97114150A Expired - Lifetime EP0835692B1 (de) | 1996-10-11 | 1997-08-16 | Vorrichtung zum Aufbringen von Beschichtungsgut auf einen Gegenstand |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0835692B1 (de) |
DE (2) | DE19641958A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114054263A (zh) * | 2020-08-03 | 2022-02-18 | 龚海涛 | 焊管内壁上油装置 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10347119B4 (de) * | 2003-10-10 | 2007-09-20 | Samwer, Konrad, Prof. Dr. | Beschichtungsvorrichtung, Beschichtungsverfahren und beschichtetes Objekt |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2036279B2 (de) | 1970-07-22 | 1979-04-19 | Brennenstuhl, Hugo, 7400 Tuebingen | Verfahren zum Abstoßen von Teilchen von einer Unterlage sowie Vorrichtung zur Durchführung des Verfahrens |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2163111A1 (de) * | 1971-12-20 | 1973-07-05 | Mueller Ernst Kg | Kopf fuer pulverspruehpistole |
JPS5117235A (en) * | 1974-08-04 | 1976-02-12 | Senichi Masuda | Seidenfuntaitochakusochi |
-
1996
- 1996-10-11 DE DE19641958A patent/DE19641958A1/de not_active Withdrawn
-
1997
- 1997-08-16 EP EP97114150A patent/EP0835692B1/de not_active Expired - Lifetime
- 1997-08-16 DE DE59709184T patent/DE59709184D1/de not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2036279B2 (de) | 1970-07-22 | 1979-04-19 | Brennenstuhl, Hugo, 7400 Tuebingen | Verfahren zum Abstoßen von Teilchen von einer Unterlage sowie Vorrichtung zur Durchführung des Verfahrens |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114054263A (zh) * | 2020-08-03 | 2022-02-18 | 龚海涛 | 焊管内壁上油装置 |
CN114054263B (zh) * | 2020-08-03 | 2023-04-07 | 龚海涛 | 焊管内壁上油装置 |
Also Published As
Publication number | Publication date |
---|---|
EP0835692A3 (de) | 2001-04-25 |
DE19641958A1 (de) | 1998-04-16 |
EP0835692B1 (de) | 2003-01-22 |
DE59709184D1 (de) | 2003-02-27 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE2750372A1 (de) | Elektrostatisches beschichtungsverfahren | |
DE2646798A1 (de) | Vorrichtung zur elektrischen aufladung von fluessigen oder festen teilchen in einem gasstrom | |
CH622444A5 (de) | ||
DE4104543A1 (de) | Mit feinen gefrierteilchen arbeitende reinigungsvorrichtung | |
EP0093083B1 (de) | Verfahren zum Auftragen einer Pulverschicht und eine Pulverauftragsvorrichtung | |
DE2704714A1 (de) | Verfahren, vorrichtung und gitter zur elektrostatischen beschichtung von gegenstaenden | |
EP0723815B1 (de) | Sprühvorrichtung für Beschichtungsmaterial | |
DE2903148A1 (de) | Vorrichtung fuer die beschichtung von gegenstaenden mit elektrostatisch aufgeladenem staub | |
DE2606851A1 (de) | Beschichtung eines laenglichen teiles (z.b. draht) mit fluidisiertem pulver | |
EP0835692B1 (de) | Vorrichtung zum Aufbringen von Beschichtungsgut auf einen Gegenstand | |
DE3006837C2 (de) | Verfahren und Vorrichtung zum elektrostatischen Beschichten von Großwerkstücken mit pulverförmigen Medien | |
DE1947568A1 (de) | Verfahren und Einrichtung zum kontinuierlichen Beschichten von Baendern oder Streifen | |
DE2303430C3 (de) | Vorrichtung zum Reinigen von gasförmigen Stoffen, welche Farbstoff, Lack bzw. Zellulose enthalten | |
DE1427677C3 (de) | Vorrichtung zum elektrostatischen Farbspritzen | |
DE202004014233U1 (de) | Belüftungsvorrichtung für Lackier- und/oder Trocknungsanlagen sowie eine solche Lackier- und/oder Trocknungsanlage | |
DE2839897A1 (de) | Anlage zum elektrostatischen aufbringen von festen teilchen aus dielektrischem beschichtungsmaterial | |
DE1577760B2 (de) | Pulverzerstaeuber zum beschichten von gegenstaenden im elektrostatischen feld | |
DE1778261C3 (de) | Vorrichtung zum Abziehen von Farbe aus der Luft in einem Farbspritzstand | |
DE3234802C2 (de) | Pulververteiler für elektrostatische Lackierung | |
DE1190368B (de) | Vorrichtung zum elektrostatischen Fluessigkeitsauftragen auf im wesentlichen ebene Werkstueckflaechen | |
DE3345422A1 (de) | Schadstoffabsaugungseinrichtung | |
DE2809019C3 (de) | Vorrichtung zum elektrostatischen Ausrichten und Aufbringen von Fasern auf einer Oberfläche | |
DE836481C (de) | Verfahren und Einrichtung zur elektrostatischen Trennung von Staub-, insbesondere Feinststaubgemengen | |
DE977357C (de) | Vorrichtung zum gleichmaessigen UEberziehen von Gegenstaenden mit Hilfe eines elektrostatischen Feldes | |
AT239940B (de) | Spritzdüse |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): CH DE FR IT LI |
|
AX | Request for extension of the european patent |
Free format text: AL;LT;LV;RO;SI |
|
PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
|
AK | Designated contracting states |
Kind code of ref document: A3 Designated state(s): AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE |
|
AX | Request for extension of the european patent |
Free format text: AL;LT;LV;RO;SI |
|
17P | Request for examination filed |
Effective date: 20010426 |
|
AKX | Designation fees paid |
Free format text: CH DE FR IT LI |
|
GRAH | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOS IGRA |
|
GRAH | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOS IGRA |
|
GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
AK | Designated contracting states |
Kind code of ref document: B1 Designated state(s): CH DE FR IT LI |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: IT Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRE;WARNING: LAPSES OF ITALIAN PATENTS WITH EFFECTIVE DATE BEFORE 2007 MAY HAVE OCCURRED AT ANY TIME BEFORE 2007. THE CORRECT EFFECTIVE DATE MAY BE DIFFERENT FROM THE ONE RECORDED.SCRIBED TIME-LIMIT Effective date: 20030122 Ref country code: FR Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20030122 |
|
REG | Reference to a national code |
Ref country code: CH Ref legal event code: EP |
|
REF | Corresponds to: |
Ref document number: 59709184 Country of ref document: DE Date of ref document: 20030227 Kind code of ref document: P |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: LI Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20030831 Ref country code: CH Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20030831 |
|
PLBE | No opposition filed within time limit |
Free format text: ORIGINAL CODE: 0009261 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT |
|
EN | Fr: translation not filed | ||
26N | No opposition filed |
Effective date: 20031023 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: DE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20040302 |
|
REG | Reference to a national code |
Ref country code: CH Ref legal event code: PL |