[go: up one dir, main page]

WO2004067195A1 - Procede et dispositif de traitement de surfaces a l'aide de jets de liquide - Google Patents

Procede et dispositif de traitement de surfaces a l'aide de jets de liquide Download PDF

Info

Publication number
WO2004067195A1
WO2004067195A1 PCT/EP2004/000830 EP2004000830W WO2004067195A1 WO 2004067195 A1 WO2004067195 A1 WO 2004067195A1 EP 2004000830 W EP2004000830 W EP 2004000830W WO 2004067195 A1 WO2004067195 A1 WO 2004067195A1
Authority
WO
WIPO (PCT)
Prior art keywords
jet
nozzle
droplet
nozzles
fluid
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.)
Ceased
Application number
PCT/EP2004/000830
Other languages
German (de)
English (en)
Inventor
Hugo Nagy
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to EP04706643A priority Critical patent/EP1587641A1/fr
Publication of WO2004067195A1 publication Critical patent/WO2004067195A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G23/00—Working measures on existing buildings
    • E04G23/002—Arrangements for cleaning building facades
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/02—Cleaning by the force of jets or sprays
    • B08B3/024—Cleaning by means of spray elements moving over the surface to be cleaned
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B5/00—Cleaning by methods involving the use of air flow or gas flow
    • B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities

Definitions

  • the invention relates generally to the treatment of surfaces, in particular the cleaning of building or floor surfaces.
  • BESTATIGUNGSKOPIE Various methods are known from the prior art for the restoration of architectural monuments. Frequently used methods are wet or dry sandblowing, or also the microgranular scattering similar to these methods. At the
  • HU 209 962 also describes a method for cleaning the outer surfaces of a building, in which a high-pressure water jet is directed onto an impact surface and broken down into very fine water grains which are so small that they enter the pores in the surface cleaning surface can penetrate. This creates a good depth effect and dirt and deposits below the surface can be removed. Accordingly, the cleaning time is shortened and the abrasive effect compared to conventional high-pressure cleaning is reduced. However, the water grains are slowed down by the water film created during cleaning and their cleaning effect is reduced.
  • the present invention is therefore based on the object of enabling thorough and gentle cleaning of surfaces.
  • the invention provides a method for cleaning surfaces, in particular building or floor surfaces, in which - At least one droplet jet is directed onto a surface to be cleaned in such a way that at least a region of the surface is hit at different angles, wherein - The droplet jet is interrupted during predetermined time intervals.
  • a device according to the invention for cleaning surfaces which is particularly suitable for carrying out the method according to the invention, accordingly comprises
  • At least one device for generating a droplet jet with at least one nozzle at least one device for generating a droplet jet with at least one nozzle
  • the interruption of the droplet jet during the predetermined time intervals enables the liquid which is deposited on the surface to be cleaned from the droplet jet to run off or seep away. In this way, a damping effect of a liquid film forming on the surface on the impinging liquid droplets is reduced. Such a liquid film would otherwise adhere particularly to the pores of the surface and hinder the effect of the droplet jet.
  • a particularly good depth effect can be achieved by at least partially removing the liquid film in the interruption intervals during the treatment Cleaning can be achieved.
  • the liquid and energy consumption required for cleaning is significantly reduced compared to other processes. If water is also used as the liquid for generating the droplet jet, the process is also extremely environmentally friendly.
  • At least one fluid jet is advantageously directed onto at least one area of the surface to be cleaned.
  • the fluid can comprise a gas or a mixture of a gas and a liquid.
  • the easiest and cheapest way to use compressed air as a fluid can also be used.
  • a mixture of gas and liquid as a fluid can also have a cleaning effect, for example, during the removal of the liquid film or during the drying of the surface.
  • a mixture of gas and liquid can also result solely from the fact that the same nozzles are used for both jet types.
  • a preferred embodiment of the method comprises the following steps:
  • time intervals mentioned are set as a function of the quality of the material to be cleaned and the nature of the surface or the degree of contamination as well as the liquid and the fluid used for the droplet jet.
  • the four time intervals can therefore have different values, which can also vary depending on the cleaning task.
  • the time intervals are preferably between 0.01 and 10 seconds each.
  • the inventive method has
  • the control device preferably has a control unit which comprises at least one microcontroller.
  • the jet or the nozzle can advantageously be moved in different ways.
  • the movement can comprise a pivoting movement, in particular a pivoting movement with a pivot axis lying essentially in the direction along the surface region to be cleaned, or parallel to the surface region.
  • a translational motion of the beam or the 'nozzle along one or two directions of the surface area is possible.
  • the beam is both pivoted and moved along the surface.
  • the device may comprise for moving the at least one nozzle means for pivoting of the nozzle and / or means for translating or • displacing the nozzle.
  • Droplet jet and / or the fluid jet a fan jet, which is generated for example by means of a suitable fan jet nozzle.
  • a fan jet is particularly advantageous in connection with a swiveled nozzle.
  • other beam shapes are also possible, such as
  • Cone jets possible, for example in connection with a rotating nozzle or only translating along the surface.
  • the angular range under which the droplet jet and / or the fluid jet strikes the area of the surface can advantageously be in the range of at least -45 ° to + 45 ° around the normal direction of the area. It is also particularly advantageous if the directions of incidence of the droplet jet are not only in a plane that is not parallel to the region of the surface. Rather, it is also advantageous if the different directions of incidence of the droplet jet lie on and / or within a cone.
  • the cone axis is preferably essentially in the normal direction. For a good cleaning effect, it is also advantageous if the opening angle of the cone is at least 45 °.
  • the embodiment of the device according to the invention with a device for pivoting the nozzle can advantageously be designed for a pivoting range of at least 90 °.
  • the droplet jet has droplets with a droplet diameter of less than or equal to 0.5 millimeter. Very good cleaning results can be achieved with the method according to the invention if 10 5 to 10 12 liquid drops per second and square decimeter are sprayed onto the surface to be cleaned.
  • Such droplet jets with fine droplets can be produced particularly advantageously by atomizing a liquid jet on an impact surface.
  • Suitable methods and devices in which a water jet is atomized on a baffle to generate a droplet jet are also known from HU 209 962 and DE 3738898, the disclosure of which is also made the subject of the present invention in its entirety.
  • a liquid is preferably sprayed from a nozzle under high pressure, the liquid preferably having a pressure of at least 1.5 bar, preferably a pressure in a range from 2 to 40 bar, particularly preferably a pressure in a range from 2 to 8 bar.
  • the liquid can be atomized as it emerges from the nozzle or, as described above, by hitting a baffle.
  • the diameter of the nozzle for generating the droplet jet is preferably between 0.02 mm and 3 mm, in particular between 0.05 mm and 0.75 mm.
  • a fluid comprising a gas or a mixture of gas and liquid is preferably expanded under high pressure from a nozzle, the pressure being at least 1.5 bar and preferably in a range from 2 to 10 bar.
  • the nozzle diameter for generating the fluid jet is preferably between 0.02 mm and 3 mm, in particular between 0.1 mm and 1.5 mm.
  • the cleaning is carried out using a plurality of nozzles or a plurality of droplet jets.
  • several droplet jets can advantageously be generated with nozzles arranged along a row.
  • a Nozzle console can be provided with a plurality of nozzles arranged along a row, which is moved, for example pivoted and / or translated, by means of a suitable device for moving the at least one nozzle.
  • the console is both pivoted and translated.
  • the device for moving the at least one nozzle comprises a device for pivoting and translating the nozzle console. The same applies to the fluid jets.
  • a further embodiment of the invention also comprises a plurality of cleaning heads, each with at least one nozzle or in each case a nozzle console with a plurality of nozzles.
  • a plurality of nozzles can furthermore be controlled individually or jointly or combined in at least two groups, or can be controlled or operated in connection with one another, depending on the arrangement of the nozzles and the
  • individual nozzles or groups of nozzles can advantageously be operated in succession.
  • the control of individual nozzles or groups of nozzles can be done in a simple manner by actuating one or more valve devices connected to the nozzles or their liquid supply. Solenoid valves are particularly suitable for this.
  • Different nozzles or groups of nozzles can also be provided for generating the droplet jets and for generating the fluid jets. At a Such an arrangement can also be switched between the two jet types essentially without a pause.
  • Droplet jets are generated with a first row of nozzles while the nozzles are pivoted along a predetermined angular range
  • the droplet jets are then interrupted, after a predetermined time interval droplet jets are then generated with a second row of nozzles, preferably arranged parallel to the first row, while the nozzles are swiveled along a predetermined angular range, and the droplet jets are then interrupted.
  • this method can also be extended to three or more rows of nozzles by continuing the process accordingly for the further rows of nozzles. This can be advantageous, inter alia, in the case of particularly powerful devices according to the invention, with which large areas can be processed quickly.
  • the process described above can be repeated one or more times. Once such a cleaning cycle has been completed, the first and second row of nozzles can be translated along the surface to be cleaned, in particular after the process has been completed or after the process has been repeated one or more times, in order to treat a further partial area of the surface to be cleaned.
  • the interruptions of the droplet jets it can also be provided in this variant of the method according to the invention to generate fluid jets and direct them onto the surface to be cleaned.
  • the device also has an electronic control device for controlling the cleaning process.
  • a suitable electronic or mechanical control device can advantageously also comprise a device for specifying the time intervals for the interruption of the droplet jet or for specifying the above-described first to fourth time intervals when using droplet and fluid jets and / or a device for adjusting the movement of the at least one nozzle ,
  • the device according to the invention can be easily set up and put into operation on site.
  • the device can include, among other things, a portable and / or dismountable frame device, which can be quickly set up in front of the surface to be cleaned in this way.
  • the position of the nozzle relative to the surface can also advantageously be adjusted by means of a suitable adjusting device before the device according to the invention is put into operation.
  • Fig. 1 is a partial view of an embodiment of a device according to the invention
  • Fig. 2 is a plan view of a cleaning head of the embodiment shown in Fig. 1, Fig. 3 using a schematic view
  • FIG. 1 shows a partial view of an embodiment of a device according to the invention for cleaning surfaces, in particular building or floor surfaces, which is designated as a whole by reference number 1.
  • the cleaning process is controlled by a control unit 4 with an electronic control device and a mechanical drive device.
  • Parameters for the temporal and local movement sequence can also preferably be entered and stored in the electronic control device of the control unit, so that the electronic control device together with a suitable input device as a device for setting the movement of the nozzle and / or as a device for specifying the time intervals for the Generation and interruption of the droplet and fluid jet is used.
  • Various predetermined parameters can also be stored in a memory of the electronic control device, which parameters can then be selected with an input device as predetermined cleaning processes.
  • Different cleaning processes can adapt to the properties of different materials to be cleaned be adjusted. For example, different materials such as sandstone or marble generally have different porosities, which affects, among other things, the rate at which the liquid film runs.
  • the device 1 comprises one or more devices for generating a Tropfchenstrahls and / or a fluid jet, 'wherein the means for generating a Tropfchenstrahls and / or a fluid jet in this
  • Embodiment comprises a nozzle bracket 11 which is connected to a connection 7 for supplying cleaning liquid or fluid (gas or gas / liquid mixture).
  • Several nozzles 12 are arranged along a row on the nozzle console 11. The liquid or
  • Fluid supply via the connection 7 can also be opened or interrupted by means of a manual shut-off valve 9.
  • the device for generating a droplet jet and / or fluid jet further comprises a pump device, not shown in FIG. 1, by means of which a liquid or a fluid at high pressure, preferably for liquids in a range from 2 to 40 bar and for gases preferably in a range from 2 to 10 bar.
  • the liquid or the fluid is supplied to the connection 7 via a pressure line.
  • Water is preferably used as the liquid and air as the fluid. However, it is also the use of other liquids, such as water with detergents, acidic or alkaline solutions depending on the intended use and the one to be removed
  • the changeover between the supply of liquid and fluid takes place via a suitable changeover valve and is preferred by the Control device of the control unit controlled.
  • the Control device of the control unit controlled When using different nozzles for the generation of the droplet jets and the fluid jets, separate pump devices, pressure lines and connections can also be provided.
  • the device according to the invention also includes a device for moving the at least one nozzle in order to hit areas of a surface to be cleaned at as many different angles as possible from the droplet jet.
  • This device comprises a pivotable or rotatable pipe coupling 10, with which the nozzle bracket 11 is rotatably or pivotally attached to a cleaning head 5, the nozzles 12 being arranged along the pivot axis. 2 additionally shows a supervision of the
  • the device for moving the nozzles 12 further comprises a device for pivoting the nozzles, or the nozzle console 11 with the nozzles 12.
  • the control unit 4 has a plurality of control connections 63 in order to be able to connect a plurality of cleaning heads to the control unit.
  • the drive crank can advantageously be designed for a pivoting range of at least -45 ° to + 45 ° around the rest or center position of the nozzle console 11, so that, with a suitable alignment of the cleaning head, areas on the to cleaning surface at angles of -45 ° to + 45 ° around its normal direction are hit by the droplet jets from the nozzles 12.
  • the Bowden cable 61 can also be attached to the drive crank 8 with a shorter lever arm, so that the mechanical path can be the same
  • the nozzles 12 can be designed as fan jet nozzles or, for example, also as cone jet nozzles. Several different types of nozzles can also be arranged on the nozzle console 11.
  • a device for interrupting the droplet jet or jets during predetermined time intervals or a device for switching between droplet and fluid jets is also provided in order to allow the liquid film formed by the sprinkling with the droplet jets to run off or a To allow drying of the surface.
  • the device comprises an electronic circuit device in the control unit 4, as well as one or more, via electrical feed lines 62 of the connecting line 6 with the electronic one
  • a common solenoid valve can be provided for all nozzles 12 of the nozzle console 11.
  • the nozzles 12 can also be divided into groups, each group being separate from the Control device is actuated by driving a solenoid valve. In this way, the groups of valves can also be operated one after the other by successively operating the valves, so that a region of the surface to be cleaned is successively hit by droplet jets from different nozzles from different directions.
  • the device 1 further comprises a frame tube 20 on which the cleaning head 5 with adjustable clamping elements 13, 15 and 17 and fastening rods is attached as an adjusting device.
  • the height of the cleaning head 5 can thus be roughly adjusted, for example when the frame tube 20 is installed vertically, and finely adjusted with respect to the height and the distance to a surface to be coated using the clamping elements 13 and 15.
  • the frame device with the frame tube 20 can be designed to be portable and / or dismantled in order to enable the device according to the invention to be set up on the surface to be cleaned.
  • the tensioning element can advantageously also be fastened to a shifting device fastened to the frame tube, the shifting device as well as the drive crank 8 by means of a suitable electromechanical
  • FIGS. 3 and 4 shows a view and FIG. 4 shows a schematic plan view of a surface 3 of a body 2 to be cleaned, as well as method steps according to an embodiment of the invention.
  • the device used for cleaning according to this embodiment of the method has two cleaning heads 51 and 52 with nozzle brackets 111 and 112 and corresponds essentially to the cleaning head 5 with nozzle bracket 11, as shown in FIGS. 1 and 2.
  • the cleaning heads 51 and 52 are arranged so that the nozzle brackets 111 and 112 are parallel to one another at approximately the same distance from the surface 3 of the body 2 and the nozzles are arranged in rows parallel to one another.
  • droplet jets 34 to 37 are generated with a first row of nozzles 12 and sprayed onto the surface 3, while the nozzles are pivoted along a predetermined angular range.
  • droplet jets 34 to 37 are generated from the nozzles 12 of the nozzle console 111 of the cleaning head 51, the nozzle console 111 being pivoted so that the
  • Droplet jets 34 to 37 sweep over an area of surface 3.
  • Fan jets are preferably used, which are generated by means of suitably designed nozzles, the jets advantageously being fanned out essentially perpendicular to the direction on the surface along which the jet travels when swiveled. In this way, a The largest possible area of the surface is covered with a single jet.
  • the droplet jets are then interrupted by interrupting the supply of liquid, for example by switching a solenoid valve, for a predetermined time interval, so that a liquid film which forms on the surface can run off or seep away.
  • the removal of the liquid film can be assisted by generating suitable fluid jets during the interruptions of the droplet jets.
  • droplet jets are then generated with a second row of nozzles arranged parallel to the first row, while the nozzles are pivoted along a predetermined angular range.
  • the cleaning liquid is passed to the further nozzle console 112 of the cleaning head 52, so that the spraying of the surface 3 now continues from the nozzles 12 of the nozzle console 112, the nozzle console 112 also being pivoted and a region of the surface sweeps, which partially overlaps with the area swept by the nozzles 12 of the nozzle console 111.
  • the droplet jets 38 to 41 from the nozzles of the nozzle console 112 are also interrupted, so that the droplet jets hitting the surface 3 are in turn interrupted for a predetermined time interval.
  • This can in turn be supported by appropriate fluid jets.
  • This process in which groups of nozzles are operated in succession, can also be repeated one or more times, depending on the type of contamination.
  • the cleaning heads 51 and 52 are in a first position 30. The cleaning heads are then moved in a direction parallel to the surface to be cleaned from the first position 30 to a further position 32, and the process is repeated at this point.
  • Overlap area of the droplet jets are sprayed in this way by droplet jets from different directions, or are hit by a droplet jet from different directions.
  • two arbitrary regions 43 and 45 of the surface 3 are selected by way of example in FIG. 3.
  • each of these areas 43 and 45 is already hit from four different directions, as can be seen from the arrows pointing to the respective areas.
  • the nozzles of the nozzle console 112, which are arranged in series along the pivot axis, are furthermore offset from the nozzles of the nozzle console 111 along this direction. This ensures that these directions are not only in one plane, but within a cone.
  • the swivel range of the nozzle consoles 111 and 112 and their distance from the surface 3 is also selected such that the droplet jets lie on or within a cone with an opening angle of at least 45 °, preferably with the cone axis in the normal direction of the surface. In this way it is achieved that the droplet jets can reach impurities in pores 36 in the surface particularly well and thus also remove impurities below the surface. LIST OF REFERENCE NUMBERS

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Cleaning By Liquid Or Steam (AREA)

Abstract

L'invention vise à permettre un nettoyage efficace et soigneux de surfaces, notamment de surfaces de bâtiments ou de sols. A cet effet, le procédé de nettoyage de surfaces selon l'invention consiste à diriger au moins un jet de gouttelettes (34 41) sur une surface à nettoyer (3), de telle manière qu'au moins une partie (43, 45) de la surface (3) est touchée par le jet de gouttelettes (34 41) dans des angles différents, et à interrompre le jet de gouttelettes (34 41) sur des intervalles de temps prédéfinis.
PCT/EP2004/000830 2003-01-30 2004-01-30 Procede et dispositif de traitement de surfaces a l'aide de jets de liquide Ceased WO2004067195A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP04706643A EP1587641A1 (fr) 2003-01-30 2004-01-30 Procede et dispositif de traitement de surfaces a l'aide de jets de liquide

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2003103565 DE10303565A1 (de) 2003-01-30 2003-01-30 Verfahren und Vorrichtung zur Behandlung von Oberflächen mit Flüssigkeitsstrahlen
DE10303565.6 2003-01-30

Publications (1)

Publication Number Publication Date
WO2004067195A1 true WO2004067195A1 (fr) 2004-08-12

Family

ID=32695031

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2004/000830 Ceased WO2004067195A1 (fr) 2003-01-30 2004-01-30 Procede et dispositif de traitement de surfaces a l'aide de jets de liquide

Country Status (3)

Country Link
EP (1) EP1587641A1 (fr)
DE (1) DE10303565A1 (fr)
WO (1) WO2004067195A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004058275A1 (de) * 2004-12-02 2006-06-08 Iam Gmbh Reinigungsvorrichtung
CN104174612B (zh) * 2014-07-16 2016-08-24 江苏中烟工业有限责任公司 一种地面控制的高空清理小车
DE102017119113A1 (de) * 2017-08-22 2019-02-28 Jens-Werner Kipp Fassadenreinigungsvorrichtung und Verfahren zur Reinigung einer Fassade

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2311670A (en) * 1938-11-07 1943-02-23 Lamont Neil Method of cleaning buildings or the like
DE2815236A1 (de) * 1978-04-08 1979-10-11 Guenter Helmdach Verfahren und vorrichtung zum behandeln von gebaeudeteilen
EP0058657A1 (fr) * 1981-02-12 1982-08-25 Oswald Rada Méthode et dispositif pour le nettoyage de bâtiments en pierre
DE3738898A1 (de) * 1986-12-23 1988-07-07 Hugo Nagy Verfahren zur wasserstrahlenreinigung von oberflaechen, beispielsweise von gebaeuden
US5240503A (en) * 1992-04-27 1993-08-31 Roni Levy Remote-controlled system for treating external surfaces of buildings

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2311670A (en) * 1938-11-07 1943-02-23 Lamont Neil Method of cleaning buildings or the like
DE2815236A1 (de) * 1978-04-08 1979-10-11 Guenter Helmdach Verfahren und vorrichtung zum behandeln von gebaeudeteilen
EP0058657A1 (fr) * 1981-02-12 1982-08-25 Oswald Rada Méthode et dispositif pour le nettoyage de bâtiments en pierre
DE3738898A1 (de) * 1986-12-23 1988-07-07 Hugo Nagy Verfahren zur wasserstrahlenreinigung von oberflaechen, beispielsweise von gebaeuden
HU209962B (en) * 1986-12-23 1994-12-28 Dosek Method and apparatus for the cleaning of the external surfaces of buildings with water jet
US5240503A (en) * 1992-04-27 1993-08-31 Roni Levy Remote-controlled system for treating external surfaces of buildings

Also Published As

Publication number Publication date
EP1587641A1 (fr) 2005-10-26
DE10303565A1 (de) 2004-08-12

Similar Documents

Publication Publication Date Title
EP3733307B1 (fr) Procédé et dispositif de production d'une surface décorative
AT501653B1 (de) Substrat-reinigungsverfahren, substrat-reinigungsvorrichtung und computer-lesbares aufzeichnungsmedium
EP1214154A2 (fr) Procede et dispositif de fabrication d'une couche protectrice amovible pour des surfaces, en particulier des surfaces vernies de vehicules motorises
EP1009603B1 (fr) Procede de production de revetements de sol antiderapants
DE60102560T2 (de) Vorrichtung und verfahren zum reinigen einer zylinderoberfläche wie ein druckzylinder einer druckmaschine oder ähnliche
EP3976378A1 (fr) Dispositif de nettoyage de tête d'impression pour une imprimante 3d et imprimante 3d comprenant un dispositif de nettoyage de tête d'impression ainsi qu'utilisation du dispositif de nettoyage de tête d'impression et procédé de nettoyage d'une tête d'impression d'une imprimante 3d
DE102004049471A1 (de) Vorrichtung zum Auftragen einer Konservierungsschicht und Verfahren zum Auftragen derselben
DE102018104734B4 (de) Verfahren und Vorrichtung zum Behandeln eines Fahrzeugs
CH634491A5 (en) Device for treating, in particular cleaning, surfaces
DE3108248A1 (de) Verfahren zur verbesserung der wirkung des chemikalieneinsatzes bei der geblaesetrocknung von fahrzeugen
EP1587641A1 (fr) Procede et dispositif de traitement de surfaces a l'aide de jets de liquide
EP1044859A2 (fr) Dispositif de séchage pour sécher les véhicules dans une station de lavage de voiture
DE2358531A1 (de) Verfahren und vorrichtung zur beseitigung des filterkuchens von filtertuechern
EP1410852A1 (fr) Méthode et appareil pour l'enlèvement d'une couche de peinture à base de polymères
DE102012024040A1 (de) Reinigungsvorrichtung für ein Lackierwerkzeug
DE3017180A1 (de) Vorrichtung zum behandeln, insbesondere zum entschichten von siebdruckschablonen
DE2613326A1 (de) Verfahren und vorrichtung zur beseitigung von kaugummi auf gehwegen, strassen, plaetzen u.dgl.
DE102016100597B4 (de) Vorrichtung und Verfahren zum Reinigen von Pinseln
EP0546282A1 (fr) Procédé de lavage de véhicules dans une installation de lavage
DE9317447U1 (de) Anlage zum Reinigen und/oder Abtragen der Oberfläche eines Werkstücks
EP3382101B1 (fr) Dispositif de nettoyage et procédé de nettoyage corespondant
DE8806774U1 (de) Waschvorrichtung für Werkstücke
EP4263117A1 (fr) Procédé de traitement d'une surface à la lumière laser ir
DE2825182A1 (de) Verfahren und vorrichtung zum gleichmaessigen verteilen von glasfasern auf einem formbett
EP3169212B1 (fr) Procédé de nettoyage d'une surface de sol en dur encrassée ainsi que dispositif de nettoyage d'une surface de sol en dur encrassée

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A1

Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BW BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE EG ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NA NI NO NZ OM PG PH PL PT RO RU SC SD SE SG SK SL SY TJ TM TN TR TT TZ UA UG US UZ VC VN YU ZA ZM ZW

AL Designated countries for regional patents

Kind code of ref document: A1

Designated state(s): BW GH GM KE LS MW MZ SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LU MC NL PT RO SE SI SK TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG

121 Ep: the epo has been informed by wipo that ep was designated in this application
DPEN Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed from 20040101)
WWE Wipo information: entry into national phase

Ref document number: 2004706643

Country of ref document: EP

WWP Wipo information: published in national office

Ref document number: 2004706643

Country of ref document: EP

WWW Wipo information: withdrawn in national office

Ref document number: 2004706643

Country of ref document: EP