EP3703870A1 - Installation et procédé de revêtement d'objets - Google Patents

Installation et procédé de revêtement d'objets

Info

Publication number
EP3703870A1
EP3703870A1 EP18768861.9A EP18768861A EP3703870A1 EP 3703870 A1 EP3703870 A1 EP 3703870A1 EP 18768861 A EP18768861 A EP 18768861A EP 3703870 A1 EP3703870 A1 EP 3703870A1
Authority
EP
European Patent Office
Prior art keywords
air
flow
cabin
application area
area
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Withdrawn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
EP18768861.9A
Other languages
German (de)
English (en)
Inventor
Julian Bubek
Dennis Weik
Urs GÜMBEL
Patrick Wohnsiedler
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.)
Eisenmann SE
Original Assignee
Eisenmann SE
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 Eisenmann SE filed Critical Eisenmann SE
Publication of EP3703870A1 publication Critical patent/EP3703870A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B14/00—Arrangements for collecting, re-using or eliminating excess spraying material
    • B05B14/40—Arrangements for collecting, re-using or eliminating excess spraying material for use in spray booths
    • B05B14/43—Arrangements for collecting, re-using or eliminating excess spraying material for use in spray booths by filtering the air charged with excess material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B16/00—Spray booths
    • B05B16/40—Construction elements specially adapted therefor, e.g. floors, walls or ceilings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B16/00—Spray booths
    • B05B16/60—Ventilation arrangements specially adapted therefor

Definitions

  • the invention relates to a system for coating objects, in particular vehicle bodies and / or vehicle body parts, with a) a coating booth, which comprises an air feed space and an application area, which are spatially separated by a flow-permeable cabin ceiling; b) an air system, which is set up in such a way that conditioned air can be supplied to the air supply space and it continues to flow as cabin air through the application area; wherein c) at least one application device is arranged in the application region and overspray arises in the application region, which is taken up and taken up by the cabin air.
  • the invention relates to a method for coating objects, in particular vehicle bodies and / or vehicle body parts.
  • the air supply space in systems known from the market has a relatively large volume so that the air on the flow path through the air supply space to the flow-permeable cabin ceiling can calm down and dissolve turbulence and turbulence.
  • the required volume is achieved via the height of the air supply space.
  • the height of the application area between the car ceiling and a cabin floor is about 4.5 m
  • the height of the air supply space between a ceiling of the air supply space and the car ceiling is about 3.0 m.
  • the relaxation area serves to give the cabin air laden with overspray time to calm down in terms of flow, since this is intended to flow as homogeneously as possible a flow to the separation device.
  • the cabin air is in fact swirled up again by the structures present there, in particular by the application devices in the form of painting robots and by the existing conveyor technology, but also by the objects to be painted themselves.
  • the relaxation area serves to reduce and, at best, eliminate flows in the longitudinal direction of the coating booth.
  • the lower part of the system is in systems known from the market, for example, about 4.0 m high and extends from the cabin floor to a footprint of the coating booth.
  • a coating booth usually comprises a complex steel construction.
  • the air system comprises a flow directing device with a flow-rectifying direct structure, which is set up in such a way that the flow of the air supplied to the air supply chamber is homogenized.
  • the cabin air flows as a largely laminar flow in the application area.
  • the flow rectifying structure is arranged on the cabin ceiling of the application area and abuts against the cabin ceiling or is arranged at a distance from the cabin ceiling or integrated into the cabin ceiling.
  • the flow rectifying structure is preferably arranged in the air supply space or in the application area.
  • the flow rectifying structure comprises a plurality of flow passages.
  • Homogeneous flow is achieved when flow passages in cross-section are polygonal, rectangular, circular or elliptical.
  • the flow rectifying structure is particularly effective when flow passages are hexagonal in cross section.
  • the flow-rectifying structure can be mounted well if it is designed as a flexible or rigid flow mat.
  • the flow rectifying structure has a honeycomb structure having a honeycomb diameter between about 3 mm and about 20 mm and a height between about 3 mm and about 300 mm.
  • the flow rectifying structure may advantageously be made of metal or a metal alloy, in particular aluminum, of a fiber composite material, in particular of a phenolic resin impregnated aramid paper, or of plastic, in particular of polycarbonate or polyetherimide.
  • the flow rectifying structure extends over at least 80% of the width of the application area and over largely the longitudinal extent of the application area.
  • the flow-guiding device comprises a flow-guiding structure which is set up in such a way that air supplied to the air-feeding space is directed in the direction of the flow-rectifying structure.
  • the required flow path in the vertical direction can optionally be shortened again.
  • the air system is set up in such a way that conditioned air is supplied to the air supply chamber from the side in relation to the longitudinal direction of the coating booth.
  • the Strömungsleit Jardin is then prevented from mixing flows to each other to moving, which would lead to undesirable strong turbulence in the air supply space, which may not be calmed down to the entry of air into the application area without further action.
  • the coating booth comprises a separation region in which cabin air laden with overspray flows in and in which a separation device is arranged for separating overspray, by means of which a majority of at least the solids of the overspray from the cabin air can be deposited.
  • a relaxation area is arranged between the separation area and the application area, via which cabin air laden with overspray is directed to the separation device in the separation area.
  • the expansion zone can manage with less height since the flow is directed and homogenized by the active additional extraction system.
  • the height of the application area which is defined by the distance between the cabin ceiling and a cabin floor, about 50% to 75% of the total height of the coating booth, which is the distance between a ceiling of the air supply space, which is referred to as plenum , and the footprint of the coating booth is defined, is.
  • the height of the air supply space which is defined by the distance between the plenum ceiling and the cabin ceiling, is about 5% to 25% of the height of the application area.
  • the plant comprises a separation area and a relaxation area with a height of the relaxation area, which is defined by the distance between a cabin floor of the application area and the separation area and amounts to approximately 5% to 25% of the height of the application area.
  • the above object is in a method of the type mentioned solved by using a system with some or all of the features explained above.
  • FIG. 1 shows a system for coating objects with a coating booth in a front view, wherein conditioned air can be supplied to an air plenum by means of an air system which flows further as cabin air through an application area and the air system comprises a flow guide, with which the flow of the Air plenum supplied air can be homogenized;
  • Figure 2 is a front view of a coating booth of a system for coating objects with a modified flow guide
  • Figure 3 is a front view of a coating booth of a system for coating objects with a further modified flow guide
  • Figure 4 is a perspective view of the coating booths of the figures
  • FIG. 1 shows a coating booth 10 of a system, designated as a whole by 12, for coating articles 14.
  • vehicle bodies 16 are shown, which are painted in the coating booth 10.
  • Articles, in particular vehicle body parts or attachments for vehicle bodies, but also other objects in the system 10 are coated.
  • the coating booth 10 comprises an application area 18, which in the present exemplary embodiment is defined by an application tunnel 20 which is delimited by vertical side walls 22, a car ceiling 24 and a cabin floor 26, but is open at the end faces.
  • the vehicle bodies 16 are transported from the input side of the application tunnel 20 to its output side with a conveyor system 28 accommodated in the application area 18 and known per se.
  • application devices 30 in the form of multi-axis application robots 32, as they are also known in and of themselves.
  • the application robot 32 By means of the application robot 32, the vehicle bodies 16, or other objects 14 to be coated, can be coated with the corresponding material.
  • the application area 18 overspray.
  • the car ceiling 24 is flow-permeable and spatially separates the application area 18, i. that is, not in terms of flow, of an air feed space 34 arranged above it, which is referred to in the art as a so-called air plenum; Therefore, an air plenum 34 is also used here.
  • the cabin ceiling 24 as such is formed in the present embodiment as a filter cover 36, as it is known per se.
  • the air plenum 34 is bounded by a plenum housing 38 open at the bottom with plenum side walls 40, a plenum cover 42 and plenum end walls 44, only one of the plenum end walls 44 being visible in FIG. Figure 4 also shows at the front ends of the coating booth 10 respective double-T-beam of the steel structure mentioned above, including the non wear shown grid 50 and are not specially provided with reference numerals.
  • Conditioned air can be supplied to the air plenum 34 with the aid of an air system 46, which continues to flow down through the cabin ceiling 24 as cabin air through the application area 18.
  • the overspray in the application area 18 is taken up and taken away from the cabin air.
  • the application tunnel 20 is open to an installation part 48 arranged underneath in such a way that the cabin floor 26 is likewise flow-permeable.
  • the cabin floor 26 is designed as a walk-in grating 50.
  • overspray particles carried by the cabin air are separated from the cabin air. This will be discussed in more detail below.
  • the cabin air flows as a laminar flow along the articles 12 to be coated, so that the articles 12 have substantially comparable conditions over the duration of the coating process.
  • the cabin air can take up and take over the resulting overspray.
  • the flow of the cabin air over the entire width of the application area 18 largely homogeneously and evenly flows into this and traverses.
  • the air system 46 comprises a flow-guiding device 52 for homogenizing the air flow from the air plenum 34 into the application region 18.
  • the flow guiding device 52 comprises a flow rectifying structure 54, which is set up in such a way that the flow of the air supplied to the air plenum 34 is homogenized.
  • the flow guide 52 thus provides a total of a flow rectifier available and causes a turbulent in the air plenum 34 air flow in the form of cabin air with a largely rectified laminar air flow and a substantially uniform flow rate in the application area 18 flows.
  • the cabin air is a fully rectified laminar flow as it flows into the application area 18.
  • the cabin air flows over at least 80% of the width of the application region 18 and over substantially the longitudinal extension of the application region 18 into it.
  • the flow rectifying structure 54 extends or extends on the cabin ceiling 24 over this area.
  • a flow rectifying structure 54 is formed by a flow mat 56 having a plurality of flow passages 58 which may be flexible or substantially rigid. Regardless of whether the flow rectifying structure 54 is formed as a mat, in any case it comprises a plurality of flow passages.
  • the flow mat 56 is arranged in the air plenum 34 in the embodiments shown in the figures.
  • the flow rectifying structure 54 that is to say here the flow mat 56, is arranged on the side of the cabin ceiling 24 facing the air plenum 34, ie in the present exemplary embodiments on the side of the filter cover 36 facing the air plenum 34.
  • the flow mat 56 abuts against the cabin ceiling 24 or the filter cover 36.
  • a space may also be left between the flow rectifying structure 54 and the car ceiling 24.
  • the flow mat 56 covers the surface of the cabin ceiling 24.
  • the flow mat 56 is in one piece; in a modification, not shown, the flow mat 56 may be composed of several mat sections.
  • the flow rectifying structure 54 in this case the flow mat 56, can also be arranged on the side of the cabin ceiling 24 or the filter cover 36 which is remote from the air plenum 34.
  • the flow rectifying structure 54 may also be integrated with the cabin ceiling 24.
  • the filter cover 36 and the flow mat 56 can be combined to the cabin ceiling 24 by the individual flow passages 58 of the flow mat 56 are filled with a suitable filter material.
  • the flow mat 56 can for example also serve as a carrier for a filter cover 36.
  • the flow rectifying structure 54 is formed in the present embodiments as a honeycomb grid and defines a honeycomb structure 60, which is shown only in Figure 1 in an enlargement and in which the flow passages 58 have a hexagonal cross-section accordingly.
  • deviating cross sections of the flow passages 58 are also possible herefrom, in particular rectangular, in particular square, as well as circular or elliptical cross sections.
  • other than hexagonal polygonal cross-sections or otherwise curved walls of the flow passages 58 may be formed.
  • Various flow passages 58 having different cross-sections and dimensions in the flow rectifying structure 54 may also be combined with each other.
  • the honeycomb flow mat 56 may have a honeycomb diameter between about 3 mm and about 20 mm and a height between about 3 mm and about 300 mm.
  • the flow mat 56 with honeycomb structure 60 may be made of a metal or a metal alloy, in particular be made of aluminum.
  • the flow mat 56 with honeycomb structure 60 may be made of fiber composite materials, for example, phenolic-resin-impregnated arabid paper.
  • Other materials are plastics, in particular plastics such as polycarbonates or polyetherimides.
  • a good homogenization of the flow of cabin air could be achieved if a honeycomb diameter between about 3.5 mm to about 7 mm at a height of 3 mm to 300 mm was selected.
  • a honeycomb diameter of about 4.2 mm at a height between 5 mm and 300 mm was effective.
  • the air system 46 is set up in such a way that conditioned air is supplied to the air plenum 34 from the side in relation to the longitudinal direction of the coating booth 10.
  • the plurality of supply air passages 62 are arranged at regular intervals along the plenum side walls 40.
  • each plenum side wall 40 is connected as a group to a respective supply air duct 66 of the supply system 64.
  • the supply air ducts 66 are supplied with conditioned supply air;
  • known and known per se components and components such as blowers, lines, valves and the like, as well as prior Kondi nier Nuren are not shown for clarity.
  • the passage cross sections of the supply air passages 62 of the plenum housing 38 can be adjusted by means of adjusting means 68, so that the supply air passages 62 can optionally be blocked or released up to a maximum passage cross section.
  • the actuator formed 68 as a slide. In general, pressure losses and pressure differences in the air plenum 34 are compensated by a manual adjustment of all adjusting means 68 during assembly of the coating booth 10.
  • the adjusting means 68 may also be adjustable by motor.
  • the adjusting means 68 can then be controlled individually or in control groups by means of a control unit not shown separately. In this way, pressure losses or pressure differences in the air plenum or over the surface of the application area 18 can be compensated.
  • the flow profile of the cabin air downstream of the cabin ceiling 24 can be detected by means of a flow sensor system which is not specifically shown here and which communicates with the control unit. In this case it is possible to establish a feedback between the actual flow conditions and the adjustment of the flow.
  • the cabin air now flows as largely directed laminar flow from the air plenum 34 into the application area 18, flows through it and then flows as cabin air laden with overspray into the lower installation part 48 and there first into a relaxation area 70 extending along the longitudinal extent of the application area 18 extends.
  • the cabin air laden with overspray is conducted via this expansion area 70 to a separation device 72, which is located in a separation area 74 of the lower installation part 48, wherein the separation area 74 adjoins the expansion area 70 in terms of flow.
  • a coating booth 10 basically comprises an air feed space 34, an application area 18, a relaxation area 70 and a separation area 74.
  • the components and components of the Delivery system 28 may be provided with flow-impermeable covers.
  • the expansion region 70 is designed as a guide channel 76 of the flow-guiding device 52, which opens into a plurality of suction channels 78 on its underside, which ends in each case in a connecting piece 80.
  • the guide channel 76 in the downward direction has a constant cross-section and terminates in a flat, horizontal bottom having the suction channels 78.
  • the guide channel 76 may, for example, in the direction of downward on the suction channels 78 to taper.
  • the separation device 72 comprises a plurality of filter devices 82, one of which is connected to a connection piece 80 of the guide channel 76.
  • the filter devices 82 are designed as a disposable filter module 84 of a first type and are used and exchanged as a structural unit.
  • the filter means 82 comprises a stationary filter housing 86 in which replaceable disposable filter modules 88 of a second type are housed.
  • the filter devices 82 can also be used in the coating booths 10 shown in FIGS. 3 and 1 and 2.
  • the suction channels 78 extend over approximately 20% to 30% of the width of the application region 18 and have a substantially square cross section in the vertical direction. In the longitudinal direction of the application region 18, the suction channels 78 are provided at intervals, that the filter devices 82 can be positioned as close to each other as possible.
  • each disposable filter module 84 or 88 is designed as a replaceable unit.
  • the cabin air which is now largely freed from overspray particles, flows from the filter devices 82 into an intermediate duct 90, via which it then enters a collecting flow channel 92.
  • the cabin air can be supplied via the collecting flow channel 92 to a further conditioning and conditioning and subsequently in a not shown here circuit again as conditioned air in the supply air ducts 66 of the supply system 64 and conducted in this way in the air plenum 34, from which they again flows from above into the application area 18.
  • the filter devices 82 can be followed by further filter stages 94 to which the cabin air is supplied and in which, for example, electrostatically operating separators are used, as they are in themselves are known.
  • Such further filter stages may be provided, for example, in or in combination with the intermediate channels 90.
  • Each disposable filter module 84 or 88 is adapted to receive a maximum amount of paint, i. designed for overspray limit loading, which depends on the type of disposable filter module 84 or 88 and the materials used for it.
  • the quantity of paint already taken up can be monitored via a balance not specifically shown or determined by means of a differential pressure determination. The greater the loading of the disposable filter module 84, 88, the greater the air resistance established by the disposable filter module 84 or 88.
  • each disposable filter module 84 of the first type forms a filter device 82 that can be moved, for example, by means of a lift truck 96 as a structural unit, which is operated by a worker 98, as illustrated in FIGS. 1 and 2.
  • the bottom region of the disposable filter module 84 or the filter device 82 formed by the disposable filter module 84 of the first type can be configured in its geometry and dimensions as a standardized support structure and, for example, according to a so-called Euro pallet.
  • the illustrated operator 98 with the lift truck 96 is intended to illustrate only the manual work, without this being shown to scale.
  • the overspray loaded disposable filter modules 88 of the second type are removed by a worker 98 from the stationary filter housing 86 and replaced with an unloaded disposable filter module 88. Notwithstanding this, the filter housing 86 can also be movable and be removed from the separation area 74, in order then to replace one or more disposable filter modules 88 elsewhere.
  • the flow connection to the respective filter device 82 is closed with the guide channel 76 by means not separately shown locking slide.
  • This gate valve redirects the cabin air to the filter units 82 arranged next to the disposable filter module 84 or 88, which take over its task until the replacement has been carried out.
  • the replacement of one of the disposable filter modules 84 or 88 may also be automated or at least semi-automated.
  • the air system 46 includes a plurality of delivery fans 100 disposed downstream of the filtering devices 82.
  • a delivery fan 100 is arranged at the transition of each intermediate channel 90 to the collecting flow channel 92.
  • the delivery fans 100 assist the flow of cabin air through the application area 18 and form secondary delivery fans that operate in addition to a primary delivery system of the air system 46, which is typically formed by a centralized blower device.
  • a primary delivery system of the air system 46 which is typically formed by a centralized blower device.
  • the capacity of the secondary conveyor fan 100 can be controlled in accordance with the loading of the filter means 82.
  • Such conveyor blower 100 may also form the overall conveying system of the air system 46, which is designed decentralized in this case.
  • Such delivery blowers 100 may be provided with a sensor system, with which the flow pressure of the cabin air flowing through the individual filter devices 82 can be detected. The capacity of each conveyor fan 100 can then with the associated control depending on governed by local conditions and requirements.
  • the relaxation area 70 can get by with less height, since the flow is directed and homogenized by the active additional suction.
  • FIGS. 2 and 3 each show the coating booth 10 with a modified flow guide device 52 which, in addition to the flow rectification structure 54, comprises a flow guide structure 102.
  • the flow directing structure 102 is upstream of the flow rectifying structure 54 and has the function of directing the air supplied to the air plenum 34 toward the flow rectifying structure 54 and effecting, as much as possible, a pre-settling of the flow.
  • the plenum housing 38 is divided in a first approach by the Strömungsleit Quilt 102 in the longitudinal direction into two subspaces 38A, 38B, in which air flows through the Zu poverty who 62 in the plenum housing 38 respectively.
  • the two subspaces 38A, 38B are formed symmetrically to the central longitudinal axis of the air plenum 34.
  • the flow guide structure 102 shown in FIG. 2 is in the form of two flow baffles 104, each extending from the plenum sidewalls 40 from above the supply air passages 62 to the center in the longitudinal direction of the air plenum 34 where they abut the flow rectifying structure 54.
  • the streams mung baffles 104 extend in the longitudinal direction over the entire Beerplenum 34.
  • the Strömungsleit Quilt 102 shown in Figure 3 is in the form of a vertical partition wall 106 which extends in the longitudinal direction between the end faces of the plenum housing 38.
  • flow guide structure 102 may be provided and, for example, flow guide plates may also be combined with the intermediate wall 106.
  • the height of the application area 18 is defined by the distance between the cabin ceiling 24 and the cabin floor 26.
  • the overall height of the coating booth 10 is defined by the distance between the top of the air plenum 34 and the footprint of the coating booth 10.
  • outside of the top of the plenum housing 38 existing structures should be neglected.
  • the flow rectifying structure 54 now allows the vertical extent of the air plenum 34 to be significantly reduced as compared to coating booths as known in the market, as explained above.
  • the height of the application region 18 can amount to approximately 50% to 75% of the total height of the coating booth 10.
  • the height of the air plenum 34 from the plenum ceiling 42 of the air plenum 34 up to Cabin ceiling 24 may be 5% to 25% of the height of the application area 18.
  • the vertical extent of the relaxation area 70 can be reduced.
  • the height of the relaxation area 70 between the cabin floor 26 and the separation area 74 may amount to 5% to 25% of the height of the application area 18.
  • the vertical extent of the deposition region 74 can also be reduced.
  • the height of the separation region 74 between the expansion region 70 and the installation surface of the coating booth 10 is at least less than 50% of the height of the application region 18.
  • the application area 18 of the coating booth 10 can be subdivided in the longitudinal direction into a plurality of application zones which can either be spatially separated or openly connected to one another and in which different application processes are carried out. For example, in successive processes in two application zones, a topcoat and a clearcoat can be applied.
  • the separation region 74 can also be subdivided in the longitudinal direction of the coating booth 10 into a plurality of deposition zones, which can be defined for example by one or more adjacent filter devices 82.
  • the air plenum 34 can also be subdivided into a plurality of plenum spaces in the longitudinal direction of the coating booth 10, so that, if appropriate, each application zone can be supplied individually to cabin air with a defined flow. If a plurality of application zones are present, they can all be connected to the expansion area 70 in terms of flow. It is possible both with multiple application zones and with only a single application region 18 that the expansion region 70 is subdivided by one or more transverse bulkheads into two or more expansion zones.
  • the transverse bulkheads may be provided with air passages, whose passage cross-section may also be adjustable, so that the formed expansion zones remain fluidically interconnected. Through such transverse bulkheads, undesired flows in the longitudinal direction of the coating booth 10 can at least be reduced and provided as an alternative or supplement to optionally present secondary conveying blowers 100.
  • Such relaxation zones may in turn be fluidically connected to one or more deposition zones or one or more filter devices 82.

Landscapes

  • Details Or Accessories Of Spraying Plant Or Apparatus (AREA)

Abstract

L'invention concerne une installation pour le revêtement d'objets (14), en particulier de carrosseries de véhicule (16) et/ou des pièces de carrosserie de véhicule, comprenant une cabine de revêtement (10), qui présente un espace d'alimentation en air (34) et une zone d'application (18), qui sont séparés dans l'espace par un plafond de cabine (24) perméable à un flux. Un système d'air (46) est conçu de manière telle que de l'air conditionné peut être amené dans l'espace d'alimentation en air (34) et celui-ci s'écoule à travers la zone d'application (18) en tant qu'air de cabine. Au moins un dispositif d'application (30) est disposé dans la zone d'application (18), une perte de peinture à la pulvérisation étant formée dans la zone d'application (18), qui est absorbée et entraînée par l'air de cabine. Le système d'air (46) comprend un dispositif de guidage du flux (52) pourvu d'une structure de redressement du flux (54) conçue de manière telle que le flux d'air amené dans l'espace d'alimentation en air (34) est homogénéisé. En outre, l'invention concerne un procédé pour le revêtement d'objets (14) à l'aide d'une telle installation.
EP18768861.9A 2017-09-14 2018-09-10 Installation et procédé de revêtement d'objets Withdrawn EP3703870A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017121340.6A DE102017121340A1 (de) 2017-09-14 2017-09-14 Anlage und Verfahren zum Beschichten von Gegenständen
PCT/EP2018/074316 WO2019052947A1 (fr) 2017-09-14 2018-09-10 Installation et procédé de revêtement d'objets

Publications (1)

Publication Number Publication Date
EP3703870A1 true EP3703870A1 (fr) 2020-09-09

Family

ID=63556334

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18768861.9A Withdrawn EP3703870A1 (fr) 2017-09-14 2018-09-10 Installation et procédé de revêtement d'objets

Country Status (5)

Country Link
US (1) US20200276605A1 (fr)
EP (1) EP3703870A1 (fr)
CN (1) CN111093835A (fr)
DE (1) DE102017121340A1 (fr)
WO (1) WO2019052947A1 (fr)

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IT201900009711A1 (it) * 2019-06-21 2020-12-21 Cefla Soc Cooperativa Apparato per la applicazione di vernici su manufatti a prevalente estensione piana
CN113145409A (zh) * 2021-03-31 2021-07-23 广东博硕涂装技术有限公司 一种喷胶生产线的空气过滤结构

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CN111093835A (zh) 2020-05-01
WO2019052947A1 (fr) 2019-03-21

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