WO2005025756A1 - Centrale d’alimentation d’une installation de poudrage electrostatique - Google Patents
Centrale d’alimentation d’une installation de poudrage electrostatique Download PDFInfo
- Publication number
- WO2005025756A1 WO2005025756A1 PCT/FR2004/002266 FR2004002266W WO2005025756A1 WO 2005025756 A1 WO2005025756 A1 WO 2005025756A1 FR 2004002266 W FR2004002266 W FR 2004002266W WO 2005025756 A1 WO2005025756 A1 WO 2005025756A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- powder
- suction
- opening
- enclosure
- cleaning
- Prior art date
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
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/14—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas designed for spraying particulate materials
- B05B7/1404—Arrangements for supplying particulate material
- B05B7/1472—Powder extracted from a powder container in a direction substantially opposite to gravity by a suction device dipped into the powder
-
- 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
- B05B5/16—Arrangements for supplying liquids or other fluent material
- B05B5/1683—Arrangements for supplying liquids or other fluent material specially adapted for particulate materials
Definitions
- the invention relates to a power station for an electrostatic powder installation, in particular a parts painting installation or any other surface treatment applying powder electrostatically.
- Current electrostatic powdering installations comprise, in a known manner, as shown in FIG. 1, an application booth 2, a cyclone 3, a final finishing filter 4 and a powder feed center 5.
- the application booth 2 generally consists of a double plastic wall 6 delimiting an interior space having an opening 7 at its top allowing the passage of a conveyor and its swings 8 to which are suspended the pieces to be powdered 9, as well as two openings 11 on each of its two external faces allowing the pieces to enter and leave the cabin 2.
- the pieces 9 pass opposite a battery of electrostatic guns 10 carried for example by an arm support 12 of a robot 13 capable of moving horizontally on the ground along a return trajectory and vertically following a return trajectory respectively material ialized by arrows 14 and 15.
- the wall 6 also has one or more slots 16 allowing the passage of the support arms 12 of the robot 13, the guns 10 and their powder supply pipes 17.
- the wall 6 of the cabin 2 is generally provided with an opening, not shown, optionally provided with a door, intended to allow the work of a manual operator who can, on certain complex parts 9, apply a powder supplement to parts parts 9 inaccessible to the guns 10 carried by the robot 13.
- the cabin 2 is connected to a fan, not shown, placed at the outlet of the final filter 4, which sucks through a pipe 18 a volume of air from outside the cabin through the openings.
- the sucked air carries with it the part of the powder sprayed by the guns but not deposited on the parts 9.
- This part of the powder can represent between 10 and 60% of the powder sprayed by the guns 10.
- This powder is driven by the air sucked in via the pipe 18, into the cyclone 3 where it is more than 95% separated from the air which then passes through the final filter 4.
- the powder separated in the cyclone falls mechanically into the bottom 19 of the cyclone 3.
- the existing powder feed centers 5 consist of an enclosure 23 backed by an air suction and filtration unit 24 with which said enclosure communicates via a wall 25 made for example of a fine mesh screen.
- the enclosure contains a vibrated support 26 mounted on a tilt-turn on which a powder reservoir 27 is placed, which can for example be the cardboard box in which the powder is delivered or a fluidized container, into which the powder return pipe 22 opens. described above.
- a series of pneumatic powder pumps 28 is arranged above the tank, each pump being connected on one side to a flexible supply pipe 17 of a gun 10 and on the other to a rigid suction pipe 29 of the powder.
- the powder supply center 5 makes it possible to supply the powder application guns 10 via flexible supply pipes 17, from the powder reservoir 27, and thanks to the series of pneumatic pumps 28.
- the assembly 30 consisting of pneumatic powder pumps 28, flexible supply pipes 17 for the guns 10 and rigid suction suction pipes 29 is mounted on a mechanical module 32 which makes it possible to move it up and down and bottom up.
- a fan, not shown, placed at the outlet of the suction and filtration block 24 sucks air from the wall 25 of the central unit, driving towards an absolute filter placed behind the wall 25 and directly connected to the fan contained in the block 24 through which the air passes through all of the volatile powder which, for one reason or another, would spread out of the reservoir 27.
- This powder remains on the surface of the absolute filter while the air is discharged outside the block d 'suction and filtration 24.
- This absolute filter is periodically and automatically unclogged, the powder deposited thereon then falling in mass in the bottom of the suction unit 24.
- the object of the present invention relates to a power station of an electrostatic powdering installation comprising at least one application gun, comprising: - an enclosure having an opening towards the outside, - means air suction and filtration, - a support on which is placed at least one powder reservoir, - an assembly comprising at least one pneumatic powder pump disposed above the support, each of the pumps being connected on one side to a flexible hose for supplying a gun and on the other to a rigid powder suction hose in the powder reservoir, this assembly being mounted on a mechanical module making it possible to move it vertically, means for cleaning the the interior of the suction tubes and means for cleaning the exterior of the suction tubes being disposed below the support vertically of the suction tubes, the support comprising a movable plate comprising at minus one location for a tank of powder and at least one opening allowing the passage of the suction tubes and their vertical positioning by the mechanical module near the automatic cleaning means from the inside of the suction tubes and the automatic cleaning means from the outside of the suction tubes
- the arrangement of the cleaning means makes it possible to avoid the dispersion of the powder present on the suction pipes in the enclosure, the cleaning being carried out in the lower compartment by pneumatic blowing through the nozzles.
- the plate is mounted rotating around a substantially vertical axis, the positioning of a location or an opening vertically of the suction tubes being obtained by rotation of the plate around the axis.
- This configuration of the control unit makes it possible to carry out the cleaning of the suction pipes and the supply pipes of the guns automatically, by raising the suction tubes above the tank, by rotating the tray to present an opening, then descending the tubes near the cleaning means. For a change of shade, it is possible during cleaning to replace the tank of the old shade on the site it occupied with a tank of a new shade.
- the suction in the enclosure is carried out by the side wall of the enclosure or by the opening formed in the lower wall of the enclosure, the suction by the side wall being able in this case to be stopped.
- the suction of the enclosure is carried out by the side wall of the enclosure, in a conventional manner.
- the means for cleaning the interior of the suction tubes comprise air blowing nozzles, each of the blowing nozzles being disposed vertically of a suction pipe, the jet of air coming nozzles being directed substantially vertically upwards and making it possible to clean the inside of a rigid suction pipe, as well as the inside of the pump and of the flexible pipe connected to it.
- the means for cleaning the outside of the suction tubes comprise air blowing nozzles arranged on at least one vertical support, the air jet coming from the nozzles making it possible to clean the outside of the pipes rigid suction.
- the blowing nozzles intended for cleaning the exterior of the rigid powder suction pipes produce an air jet directed obliquely downwards, towards the powder suction pipes when these are positioned vertically. close to the means for cleaning the interior and exterior of these pipes.
- the orientation of the blowing nozzles downwards also makes it possible to avoid the dispersion of powder in the direction of the enclosure.
- the turntable comprises means for vibrating a powder reservoir arranged on the turntable, at at least one location of the powder reservoir.
- the suction means comprise a fan connected to at least one upper opening formed in the side wall of the enclosure and to at least one lower opening communicating with the lower compartment, at least one flap allowing block the upper and lower openings alternately, aspiration is carried out only through the lower compartment and the lower openings when cleaning the suction pipes.
- the central supply includes a powder return pipe from a cyclone opening into the powder tank and which can be raised above the tank.
- the turntable comprises at least two locations for a powder reservoir, so that a powder reservoir can be deposited on the plateau at a location while a first reservoir is used.
- the turntable includes two locations for a powder reservoir, diametrically opposite on the turntable, and an opening, located at 90 ° from the two locations.
- the filtering means consist of the wall of at least one filter cartridge through which the suction air passes, this wall being constituted by a filtering medium preventing the passage of powder particles, a container removable being present below each cartridge, allowing the recovery of the powder that has accumulated on the wall during periodic unclogging
- the assembly includes a powder return pipe whose end is arranged vertically similar to the pipes and the cleaning of which is ensured by the means for cleaning the interior of the suction tubes and the means for cleaning the exterior of the suction tubes.
- FIG. 1 is a schematic view of a power plant according to the prior art from the front in its environment consisting of an electrostatic powder installation.
- Figure 2 is a perspective view of the power plant according to the invention.
- Figure 3 is a front view of the power station of Figure 2.
- Figure 4 is a front view of the power station of Figure 2, in another operating position.
- a power plant 33 according to the invention is located in the same environment as a power plant 5 according to the state of the art shown in FIG. 1.
- This power plant 33 is part of an electrostatic powder installation, comprising an application booth 2, a cyclone 3 and a final filter 4.
- a power supply unit 33 comprises an enclosure 34 having an opening 35 to the outside, allowing a operator to access this enclosure and to place new reservoirs 27 of powder, or to remove reservoirs 27.
- the enclosure 34 has an opening 36 on its lower wall 37, making it possible to communicate with a lower compartment 38 located below of the enclosure 34.
- the enclosure 34 has two high openings 39 in its side wall 40 making it possible to communicate with two lateral compartments 42 located behind and laterally with respect to the enclosure 34.
- Each lateral compartment 42 communicates through its lower part with the lower compartment 38 situated directly above the mechanical module 52 by a lower opening 41 situated vertically from the upper opening 39 of this compartment 42 below the latter.
- a movable flap 43 which can slide from top to bottom alternately closes the top opening 39 of the side compartment 42 towards the enclosure 34 or the bottom opening 41 of the compartment 42 towards the bottom compartment 38.
- the power supply unit 33 comprises a support consisting of a turntable 44 around a vertical axis A, generally disc-shaped, situated vertically near the bottom wall 37 of the enclosure 34, and comprising two locations 45 for powder reservoirs 27 diametrically opposite with respect to the axis of rotation A of the plate and a passage opening 46 located at 90 ° to the two locations 45.
- the rotating plate 44 makes it possible to provide a passage between the enclosure and the lower compartment 38 when the opening 46 of the tray is located opposite the opening 36 of the lower wall 37 of the enclosure 34.
- Means for vibrating the powder reservoirs 27 can be arranged on the turntable 44 , at locations 45 of the powder reservoirs 27. These vibration means can consist of a vibrating plate 47 per location 45, making it possible to distribute the powder in the reservoir 27 placed on this vibrating plate 47.
- These vibrating plates 47 are not necessary for certain types of powder, when the reservoirs 27 are constituted by fluidized tanks. They are always used when the reservoir 27 is a powder cardboard box.
- the power station 33 also comprises an assembly 48 comprising a plurality of pneumatic powder pumps 49 disposed at the above the turntable 44, each of the pumps 49 being connected on the discharge side to a flexible pipe 17 supplying a gun 10 of which only the portion close to the assembly 48 is shown and on the suction side to a rigid pipe 50 of suction of the powder in the powder reservoir 27, this assembly 48 being mounted on a mechanical module 52 which makes it possible to move it from top to bottom and from bottom to top.
- the feed center 33 includes a powder return pipe 22 coming from a cyclone 3 opening into the powder tank 27 and which can be raised above the tank 27. This pipe 22 is associated with the assembly 48 previously described for be moved by the mechanical module 52 in the same way as the suction pipes 50.
- the assembly 48 can be provided with powder level detectors not shown.
- the central unit 33 comprises means for cleaning the interior of the suction tubes 50 and means for cleaning the exterior of the suction tubes 50 all arranged in the lower compartment 38 located below the enclosure 34.
- the means for cleaning the interior of the suction tubes 50 consist of air blowing nozzles 53 around which the rigid pipes 50 are connected in leaktight manner, each of these blowing nozzles 53 being arranged vertically d a suction pipe 50, the air jet coming from the nozzles 53 being directed vertically upward and making it possible to clean the inside of a rigid suction pipe 50, as well as the inside of the pump 49 and the pipe flexible 17 which are connected thereto.
- the means for cleaning the outside of the suction tubes are constituted by air blowing nozzles 54 disposed around the vertical path of each of the tubes 50, the air jet coming from the nozzles 54 making it possible to clean the outside rigid suction pipes 50.
- the blowing nozzles 54 produce an air jet directed obliquely downwards, towards the powder suction pipes when these are lowered.
- These nozzles 54 are fixed on a support 55 contained in the compartment 38.
- the tubes 50 are blown by the nozzles 54 at the time of the descent and / or ascent of the tubes 50 to or from the nozzles 53. Identically the suction pipes 50, the nozzles allow the cleaning of the powder return pipe 22.
- the power station 33 also includes suction and filtration means comprising a fan 56 connected to an upper compartment 57 situated above and behind the enclosure 34.
- Each lateral compartment 42 contains a filter cartridge 58 in the form cylindrical, the upper part 59 of which constitutes an opening communicating with the upper compartment 57 and the bottom 62 of which is closed.
- the side wall 63 of each cartridge 58 consists of filter paper making it possible to separate the powder contained in the aspirated air.
- a removable container 64 is present below each cartridge 58, allowing the recovery of the powder that has accumulated on the wall 63 of the cartridge 58 each time the filter cartridges 58 are unclogged by rapid, short and counter injection. stream of compressed air in one cartridge 58, then in the other.
- Each cartridge 58 is arranged in one of the compartments 42 communicating with the enclosure 34 by a high opening 39, and also communicating with the lower compartment 38 through a lower opening 41, itself communicating with the enclosure 34, through the opening 36 of the lower wall 37 of the enclosure 34.
- the suction of the enclosure 34 is produced by the high openings 39; when the flaps 43 are raised and close the upper openings 39, the suction of the enclosure is carried out by the upper openings 41, through the lower compartment 38 and the opening 36.
- the suction in the the enclosure 34 can be produced by the openings 36 or 39.
- the central unit 33 furthermore comprises a control and command device not shown making it possible to control the operation of motors not shown allowing the movement of the assembly 48, of the flaps 43, of the turntable 44, as well as the suction and the blowing of the pumps 49 of the assembly, of the interior 53 and exterior 54 cleaning nozzles of the suction tubes 50, of the fan and the periodic unclogging of the cartridges 58.
- the change process shade for a powder unit 33 according to the invention can be described from an initial position supplying a first shade shown in FIG. 3, in which: the turntable 44 is in a position in which a first location 45 for the powder reservoir 27 is located vertically above the powder suction tubes 50.
- the mechanical module 52 maintains the free end of the suction tubes 50 in the powder reservoir 27 below the powder level.
- the pneumatic pumps 49 allow the powder to be sucked in through the suction tubes 50 and discharged into the flexible tubes 17 to supply the spray guns 10 from the cabin 2.
- the high openings 39 in the side wall 40 of the enclosure 34 are open and the lower openings 41 are closed, the flaps 43 being in the lowered position; thus the suction in the enclosure 34 is carried out by the high openings 39.
- This first position corresponds to the supply of a first shade.
- the central unit 33 passes through an intermediate position, shown in FIG.
- the plate 44 rotates 90 ° so as to bring the opening 46 of the plate 44 opposite the assembly 48, - the upper openings 39 of the side wall 40 of the enclosure 34 are closed and the lower openings 41 open, the flaps 43 being in the raised position; the aspiration into the enclosure 34 is carried out by the low openings 41 via the lower compartment 38 and the opening 36.
- the mechanical module 52 lowers the assembly 48 so that the free end of the suction tubes 50 and that of the powder return pipe 22 passes through the opening 46 of the tray 44 and the opening 36 from the bottom wall 36 of the enclosure 34 and comes into contact with the cleaning nozzles 53 from the interior of the suction pipes 50 located in the bottom compartment 38.
- the pneumatic pumps 49 are stopped or not.
- the cleaning nozzles 53 from the inside of the suction tubes 50 and the cleaning nozzles 54 from the outside of these same tubes blow to clean the tubes 50 and the powder return pipe 22 which have been in contact with the powder; the interior of the pneumatic pumps 49 and the flexible tubes 17 supplying the guns 10, connected to the suction tubes 50, is also cleaned.
- the powder detached by the nozzles 54 from the outside of the suction 50 or powder return pipes 22 is entrained towards the filter cartridges 58 by the air sucked in by the fan via the low openings 41.
- the central unit 33 then takes a fourth intermediate position, in which: - the plate 44 remains in the same position, - the pneumatic pumps 49, the cleaning nozzles 53 inside the tubes 50, the cleaning nozzles 54 outside the tubes 50 are stopped , - the mechanical module 52 raises the assembly 48 so that the free end of the suction tubes 50 and of the powder return pipe 22 is above the walls of the powder reservoir 27, - the high openings 39 of the side wall 40 of the enclosure 34 are open, and the low openings 41 are closed, the flaps 43 being in the lowered position; thus the suction in the enclosure 34 is carried out by the high openings 39.
- the central unit 33 reaches a fifth position in which: the plate 44 rotates 90 ° so as to reach a position in which a second location 45 of the reservoir powder 27, on which is positioned a reservoir 27 containing a powder of a new shade, is situated vertically from the powder suction tubes 50 and the powder return pipe 22, - when the plate 44 has turned, the mechanical module 52 lowers the assembly 48 in order to bring the free end of the suction tubes 50 and of the powder return pipe 22 into the powder reservoir 27 below the powder level .
- the pneumatic pumps 49 allow the powder to be sucked in by the suction tubes 50 and discharged into the flexible tubes 17 to supply the application guns 10 of the cabin 2 with a new shade.
- the upper openings 39 of the side wall 40 of the enclosure 34 are open, and the lower openings 41 are closed, the flaps 43 being in the lowered position; thus the suction in the enclosure 34 is carried out by the high openings 39. In this position, the change of shade is carried out and the application guns 10 are supplied with the new shade.
- This operation of the central supply 33 makes it possible to automate the steps of the color change concerning the central 33.
- the reservoir 27 containing the new color can be placed on the turntable 44 in masked time before the color change, in n '' causing no delay, then the rest of the operations are automated. This automation limits the duration of the color change to a few minutes. It is of course possible to provide downtime to complete the operations on the other parts of the installation.
- the color changes are carried out by performing all the rotations of the plate 44 in the same direction for a first color change, then all in the opposite direction for the next change.
- the presence of two openings 46 on the plate 44, diametrically opposite and located at 90 ° relative to the locations 45 makes it possible to perform the rotations always in the same direction.
- the turntable 44 makes it possible to carry out changes in the powder reservoir 27 for the same shade, for example, in place of a carton of powder having been emptied of a full carton of powder. Indeed, in this case, the cleaning step is not necessary, it suffices to raise the assembly 48, to rotate the plate 44 to bring the second reservoir 27 vertically from the suction tubes 50, then lower the assembly 48.
- the turntable can be replaced by a plate moving in translation and also having several locations for powder tanks, as well as a passage opening.
- two locations for powder reservoirs are located on either side of a passage opening.
- the powder reservoirs and the passage opening can be brought alternately by translation of the plate vertically from the suction tubes.
- the invention is not limited to the embodiments described, on the contrary it embraces all variants.
- the plate 44 can have a variable number of openings 46, and that the locations 45 for powder reservoirs 27 can also be present in variable number.
Landscapes
- Electrostatic Spraying Apparatus (AREA)
- Cleaning In General (AREA)
- Basic Packing Technique (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA002538246A CA2538246A1 (fr) | 2003-09-10 | 2004-09-07 | Centrale d'alimentation d'une installation de poudrage electrostatique |
EP04787321A EP1663503A1 (fr) | 2003-09-10 | 2004-09-07 | Centrale d'alimentation d'une installation de poudrage electrostatique |
US10/572,006 US20070163493A1 (en) | 2003-09-10 | 2004-09-07 | Feeding station for electrostatic powdering device |
BRPI0414327-2A BRPI0414327A (pt) | 2003-09-10 | 2004-09-07 | estação de alimentação para instalação de pulverização eletrostática |
JP2006525858A JP2007508921A (ja) | 2003-09-10 | 2004-09-07 | 静電粉末設備用供給ステーション |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0310667 | 2003-09-10 | ||
FR0310667A FR2859397B1 (fr) | 2003-09-10 | 2003-09-10 | Centrale d'alimentation d'une installation de poudrage electrostatique |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005025756A1 true WO2005025756A1 (fr) | 2005-03-24 |
Family
ID=34178892
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR2004/002266 WO2005025756A1 (fr) | 2003-09-10 | 2004-09-07 | Centrale d’alimentation d’une installation de poudrage electrostatique |
Country Status (7)
Country | Link |
---|---|
US (1) | US20070163493A1 (fr) |
EP (1) | EP1663503A1 (fr) |
JP (1) | JP2007508921A (fr) |
BR (1) | BRPI0414327A (fr) |
CA (1) | CA2538246A1 (fr) |
FR (1) | FR2859397B1 (fr) |
WO (1) | WO2005025756A1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104070035B (zh) * | 2014-07-28 | 2016-02-24 | 成都蒲江珂贤科技有限公司 | 一种工业清洗装置 |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4574397B2 (ja) * | 2005-03-03 | 2010-11-04 | 旭サナック株式会社 | 粉体塗装装置 |
DE102006016286B4 (de) * | 2006-04-03 | 2009-03-12 | Karl-Heinz Dräger | Verfahren und Anlage zum Verteilen und Austragen eines Reiz- oder Kampfstoffes |
DE102010039473B4 (de) * | 2010-08-18 | 2014-11-20 | Gema Switzerland Gmbh | Pulverversorgungsvorrichtung für eine Pulverbeschichtungsanlage |
KR101509864B1 (ko) * | 2012-11-07 | 2015-04-06 | (주)엘지하우시스 | 비산 파우더 크리닝 장치 |
ITMO20130210A1 (it) * | 2013-07-19 | 2015-01-20 | Siver S R L | Attrezzatura di alimentazione polveri per la preparazione di vernice |
DE102013218326A1 (de) * | 2013-09-12 | 2015-03-12 | Gema Switzerland Gmbh | Pulverversorgungsvorrichtung für eine Pulverbeschichtungsanlage |
CN103599861B (zh) * | 2013-11-07 | 2015-12-16 | 中山市君禾机电设备有限公司 | 一种带粉桶自动清理的快速换色供粉中心 |
CN104588224B (zh) * | 2015-02-13 | 2019-04-23 | 中冶京诚工程技术有限公司 | 用于多分路静电外置的静电粉末喷涂小车 |
CN105921476A (zh) * | 2016-05-20 | 2016-09-07 | 如皋市江北添加剂有限公司 | 一种食品加工车间专用的吸粉机装置 |
EP4219020A1 (fr) | 2018-01-23 | 2023-08-02 | Gema Switzerland GmbH | Centre de poudre multicolore permettant d'alimenter en cas de besoin au moins un dispositif de pulvérisation de poudre de revêtement de différents types |
PL3552713T3 (pl) * | 2018-04-12 | 2021-07-05 | Wagner International Ag | Centrum proszku do zaopatrywania w proszek powlekający urządzenia do powlekania proszkowego i sposób czyszczenia centrum proszku |
CN110523552B (zh) * | 2018-05-23 | 2024-01-30 | 苏州市亘晟涂装工程有限公司 | 一种双粉筒高效快速换粉装置 |
CN110496719B (zh) * | 2019-08-19 | 2024-01-30 | 浙江欧耐科智能装备科技有限公司 | 一种喷涂设备用供粉装置 |
CN116215924B (zh) * | 2023-05-08 | 2023-07-14 | 河北艾福莱自动化科技有限公司 | 危险品粉料自动收集分装设备 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2001019529A2 (fr) * | 1999-09-17 | 2001-03-22 | Nordson Corporation | Systeme d'application de poudre a changement de couleur rapide |
US20020092468A1 (en) * | 2001-01-13 | 2002-07-18 | Itw Gema Ag, | Powder facility for spray-coating purposes |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4723505A (en) * | 1986-03-17 | 1988-02-09 | Nordson Corporation | Powder booth |
US5078084A (en) * | 1990-04-16 | 1992-01-07 | Nordson Corporation | Powder coating system |
JP2755876B2 (ja) * | 1992-07-30 | 1998-05-25 | 株式会社東芝 | 熱処理成膜装置 |
-
2003
- 2003-09-10 FR FR0310667A patent/FR2859397B1/fr not_active Expired - Fee Related
-
2004
- 2004-09-07 EP EP04787321A patent/EP1663503A1/fr not_active Withdrawn
- 2004-09-07 BR BRPI0414327-2A patent/BRPI0414327A/pt not_active Application Discontinuation
- 2004-09-07 WO PCT/FR2004/002266 patent/WO2005025756A1/fr active Application Filing
- 2004-09-07 US US10/572,006 patent/US20070163493A1/en not_active Abandoned
- 2004-09-07 JP JP2006525858A patent/JP2007508921A/ja active Pending
- 2004-09-07 CA CA002538246A patent/CA2538246A1/fr not_active Abandoned
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2001019529A2 (fr) * | 1999-09-17 | 2001-03-22 | Nordson Corporation | Systeme d'application de poudre a changement de couleur rapide |
US20020092468A1 (en) * | 2001-01-13 | 2002-07-18 | Itw Gema Ag, | Powder facility for spray-coating purposes |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104070035B (zh) * | 2014-07-28 | 2016-02-24 | 成都蒲江珂贤科技有限公司 | 一种工业清洗装置 |
Also Published As
Publication number | Publication date |
---|---|
FR2859397A1 (fr) | 2005-03-11 |
FR2859397B1 (fr) | 2006-07-28 |
CA2538246A1 (fr) | 2005-03-24 |
EP1663503A1 (fr) | 2006-06-07 |
JP2007508921A (ja) | 2007-04-12 |
US20070163493A1 (en) | 2007-07-19 |
BRPI0414327A (pt) | 2006-11-07 |
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