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EP0384873A1 - Vorrichtung zum Reinigen von Gebäudefassaden - Google Patents

Vorrichtung zum Reinigen von Gebäudefassaden Download PDF

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Publication number
EP0384873A1
EP0384873A1 EP90460009A EP90460009A EP0384873A1 EP 0384873 A1 EP0384873 A1 EP 0384873A1 EP 90460009 A EP90460009 A EP 90460009A EP 90460009 A EP90460009 A EP 90460009A EP 0384873 A1 EP0384873 A1 EP 0384873A1
Authority
EP
European Patent Office
Prior art keywords
facade
cleaning
enclosure
cleaning agent
head
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP90460009A
Other languages
English (en)
French (fr)
Other versions
EP0384873B1 (de
Inventor
Christian Diat
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 AT90460009T priority Critical patent/ATE83287T1/de
Publication of EP0384873A1 publication Critical patent/EP0384873A1/de
Application granted granted Critical
Publication of EP0384873B1 publication Critical patent/EP0384873B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B3/00—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements
    • B05B3/02—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements
    • B05B3/04—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements driven by the liquid or other fluent material discharged, e.g. the liquid actuating a motor before passing to the outlet
    • 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

Definitions

  • the present invention relates to a method for cleaning a building facade, as well as an installation for implementing this method.
  • building is meant any construction such as a building or a historic monument for example.
  • the present invention therefore aims to remedy the drawbacks described above. To do this, it offers a method as well as an installation which allows effective cleaning of building facades without significant abrasion, and by removing the cleaning area of the pulverulent materials released during this operation, as and when cleaning.
  • the installation makes it possible to adjust the working parameters as best as possible (projection pressure, working speed, etc.) according to the nature and fouling of the surface to be cleaned. In addition, it makes it possible to obtain and guarantee a constant result throughout the work. It is a simple process to implement.
  • the cleaning process which is the subject of the invention is a mechanized process which consists in spraying on the facade, substantially perpendicular to the latter, at least one incident flow of a cleaning agent, according to a rotary movement which is combined with a second permanent back-and-forth movement along a path substantially parallel to the facade, and repeating these operations along the facade.
  • This process can be implemented by means of a robotic working head which is capable of working at a rate and at a rate which would be unsustainable manually, with the possibility of automatically adjusting the speed of rotation and back-and-forth movement. - comes from the head, which makes it possible to obtain a perfectly regular quality of work, adapted to the characteristics of the facade.
  • ident flow is meant the flow of the cleaning agent which strikes against the facade to be treated, this in opposition to the flow of particles which must be removed thereafter, which is composed of the cleaning agent responsible for impurities.
  • the cleaning agent is sprayed inside a confined space which corresponds to the surface portion to be cleaned, and during the operation, the cleaning agent charged with impurities is sucked into this confined space, in an area which substantially surrounds the incident flow.
  • the cleaning agent consists of a fluid consisting of pressurized air and a pulverulent cleaning product, for example alumina powder, glass powder or pumice powder.
  • the invention also relates to an installation for the automated implementation of this method.
  • This installation is mainly characterized in that it comprises an enclosure which has an opening intended to be directed towards the facade to be cleaned and in that it contains, substantially in its central part, a working head ensuring the projection of a cleaning agent, the working head and the wall of the enclosure being separated by a peripheral space in which at least one suction means acts which is connected to a discharge duct on the side opposite to the opening.
  • the working head comprises a pipe for supplying the cleaning agent to one end of a fixed distribution tube, the second end of the tube opening out inside a rotary head adapted to receive at least one nozzle spraying the cleaning agent, said head being rotated about an axis which coincides with the longitudinal axis of the dispensing tube;
  • the rotary head is integral with a tube in which the distribution tube is engaged, the rotational movement of the head being caused by the displacement of a gear wheel wedged on said tube, which meshes with the pinion of the 'output shaft of a drive motor;
  • Said suction means consist on the one hand of a turbine mounted at the rear of the working head, and on the other hand, of fins mounted near the projection nozzles, the fins being moved in said annular zone , the rotational movement of these causing suction by vacuum cleaning agent laden with impurities and its evacuation to the conduit;
  • the enclosure is extended, on the side of its opening by a brush seal;
  • the speed of rotation of the projection nozzles combined with the reciprocating movement can be automatically corrected to take account of the proximity of the relief points of the facade, that is to say of the nearest or furthest points to be cleaned; for this, appropriate sensors carried by the enclosure are provided to detect this proximity before cleaning, so as to vary, depending on the distance measured, the speed of rotation of the nozzles as well as the speed of the second movement, c ' that is to say the movement back and forth.
  • This correction is done in such a way that the closer the points of the facade which are detected are to the working head, the faster the speed of rotation and vice versa, this being also true for the reciprocating movement.
  • cleaning without abrasion means cleaning which makes it possible to rid a surface of the undesirable substances which adhere to it, without practically eroding it.
  • These substances most often consist of deposits of soot caused by releases into the atmosphere of industrial smoke, or dust and all other pollutants which have become attached and which have remained stuck to the surface of the facade.
  • the development of the method of the invention is part of the observation that if one cleans a facade by means of a rotary flow at high speed of a cleaning agent, the same surface will be scanned a number important times by the flow. Therefore, the spraying pressure of the cleaning material can be lowered significantly to make it non-abrasive. So this is the repeated passage of this agent on the surface which will gradually cause the removal of dirt by gentle and regular brushing. Gradually after each pass, a small part of the pollutants is removed, and it is after a certain amount of more or less important passages, in the same places, that the surface being cleaned will regain the desired color and clean appearance and this without visible abrasion.
  • the agent charged with impurities tends to evacuate towards a zone which surrounds the incident flow, it is particularly advantageous to simultaneously suck the agent charged with impurities in this zone.
  • high rotation speed is meant, for example, a speed of the order of several tens to several hundred revolutions per minute.
  • the preferred cleaning agent is a fluid consisting of pressurized air which carries a powdery cleaning product.
  • a powdery cleaning product This is for example an alumina, glass or pumice powder and more generally a powder commonly used for cleaning metals.
  • the particle size of these powders is for example of the order of 100 to 200 m.
  • the cleaning chamber shown in Figure 1 is an integral part of the installation for implementing the method of the invention.
  • the enclosure has a metallic outer wall 1 which, in cross section, may have a substantially oval shape.
  • the long axis of the oval section is for example arranged horizontally.
  • its section, constant in the vicinity of the opening 15, is reduced as one moves away from it to form a conduit 14 of reduced section.
  • the wall 10 of the enclosure is split, so that it provides an annular space all around the wall 1.
  • the latter is partitioned.
  • recesses 10 there are thus formed recesses 10, only two of which are visible in FIG. 1, contain a compression spring 23, wedged between a plate 11 (fixed in the recess) and the plug 12.
  • a longitudinal rod 21 passes through the plate 11 and the plug 12. It carries a washer 24 forming a stop intended to be pressed against the plug 12 under the action of the spring 23.
  • the rod 21, in its portion which opens out of the recess 10 passes through a bellows seal 23 consisting of a double envelope 230 formed of a material permeable to air and which contains a compressible and filtering filling product.
  • the end of the rod 21 carries the support 20 of a generally annular brush 22, with an oval outline identical to that of the wall 1 of the enclosure. It is easily understood that if the enclosure moves in the direction of the facade F , there will be a backward movement of the rods 21 relative to the enclosure which will result in compression of each spring 23 in its recess 20 and crushing of the seal 23 in the direction of the arrow f . As soon as the enclosure has moved away from the facade, the springs will resume their original position, the stops 24 coming to rest against the plugs 12 and the seal its uncompressed form.
  • the enclosure contains in its central zone, materialized by the axis XX ′, a working head 4 carrying projection nozzles 5 for example two in number, as well as a suction turbine 3 with radial fins, mounted just at the rear of the head 4. These elements are made integral with the wall 1 of the enclosure by cross members not shown.
  • a supply line 13 of a mixture of pressurized air and a pulverulent cleaning product opens out inside the head 4.
  • the head 4 is separated from the wall 1 of the enclosure by a peripheral zone 16.
  • the fins 30 of the turbine 3 are adapted to be moved in rotation in this zone by means of a non-motor represented.
  • the projection nozzles 5 are integral with another series of fins 50.
  • the working head has the form of a housing 40 of substantially parallelepipedal shape through which a cylindrical distribution tube 70 of which one of the ends 701 opens out therefrom.
  • the other end 700 is tapped so as to receive the supply line 13 for the cleaning product.
  • the distribution tube is housed in a second tube 71 of larger diameter; they are held coaxially apart from one another by a pair of ball bearings 42, 42 ′.
  • a pair of ball bearings 41, 41 ′ guides the tube 71 in rotation in the housing 40.
  • On the tube 71 is wedged a gear wheel 73 which meshes with the pinion 61 of the drive shaft. outlet 60 of an electric motor 6.
  • the end 710 of the tube 71 is secured to a head 72 which comprises two conduits 720, opening into the open air through tapped parts 721 adapted to receive the projection nozzles 5 (not shown) which have been mentioned above.
  • the head 72 has a central bore 722 adapted to receive by interlocking the free end 701 of the distribution tube 70. Appropriate seals are provided at this interlocking to ensure sealing between the fixed 70 and rotating 71 tubes.
  • the operation of the working head is as follows.
  • the motor 6 is started while a circulation of cleaning product is carried out by means of an independent motor.
  • the product arrives in the distribution tube 70, which it passes through, and arrives at the end 701 from where it passes through the conduits 720 of the head 72 subjected to a rotational movement around the axis X-X ′. It is then distributed through the nozzles 5.
  • the head 72 is for example fixed to the tube 71 by screws. We can therefore change the head 72 to replace it with another having ducts 720 of different shape, making it possible to use, as required, one or more nozzles, to use tilt, orientation and axis nozzles and use a variety of nozzles with different characteristics and different outlet diameters.
  • the automatic back and forth movements in translation, of more or less amplitude, of the head 4 inside the enclosure is possible thanks to the elongated shape, in this case oval, of the section of this enclosure. These movement movements are made over a small amplitude.
  • the lower part of the housing 40 is equipped with rollers 80, 80 ′ adapted to be moved along rails 8, 8 ′. These rails are integral with the wall 1 of the enclosure.
  • the housing 40 is equipped with means making it possible to move it along the rails 8 according to reciprocating reciprocating movements. ticks and permanent. These means, not shown, consist for example of a double-acting pneumatic cylinder.
  • the installation of the invention includes other elements which make it possible to move it along a facade.
  • An example of such an installation is shown in Figures 3 and 4.
  • the installation 9, which equips the facade F of a building comprises a winch support 90 located at the level of the roof as well as a base 900 placed on the roadway which borders the building. Between these elements are stretched cables 91 and 93. These cables pass through tubes 940 placed at the four corners of a gantry 94 which supports a cleaning enclosure. A pair of cables 92, also connected to the gantry and the winch allows by means of a motor not shown to lower or raise the gantry as desired along the cables.
  • the gantry is also equipped with means making it possible to block it in a desired position.
  • the enclosure is mounted on a system of sliding beams 95, 96 arranged perpendicular to the facade.
  • Motor means not shown, make it possible to slide the beam 96 relative to the beam 95 in the direction of the arrow v so as to be able to move the enclosure away from or closer to the facade at will.
  • the enclosure moves laterally (in the direction of the arrow w - Figure 4 -) relative to the facade, the beam 95 moving relative to the gantry 94 along a raceway provided for this purpose.
  • the enclosure 1 is extended in its rear part by a pipe E for evacuating the cleaning agent charged with impurities, the lower end of the latter being equipped with a powerful suction device and of course, a container for storing the recovered product, this container being equipped with an air filter returning the filtered air to the outside.
  • the cleaning enclosure is equipped with cameras (a C of which has been shown diagrammatically in FIG. 1) making it possible to control, by means of control screens located in vehicle V , the way in which the cleaning of the facade. It is also equipped with sensors and light sources not shown in the figures. The purpose of the sensors, of a type known per se, is to give an indication of the distance which separates the projection nozzles from the cleaning surface. It will be understood later on the advantage of such sensors.
  • the light sources have the function of allowing the installation to be used in poorly lit areas or for working at night.
  • the operator begins by controlling the computer in such a way that the cleaning enclosure is placed, for example, the upper left part of the facade F of the building to be cleaned.
  • the computer controls the starting of the motor 6 of the working head 4, the circulation of a stream of cleaning agent up to it, and the movement of the enclosure at slow speed along of the facade in the direction of arrow w taking into account the characteristics of the surface to be cleaned (nature of the stone, surface condition, etc.).
  • the motor 6 is started, the implementation of the means making it possible to move the robotic working head 4 along the rails 8, 8 ′ in automatic reciprocating movements is coordinated. permanent. J rotating jets of cleaning agent are projected continuously against the facade.
  • the projection pressure combined with the small particle size of the cleaning agent will allow incessant progressive rotary brushing of the facade without abrading it. This brushing will gradually remove the materials that soil the facade. These materials, as well as the soiled cleaning agent cannot come out of the enclosure because the seal 23 and the brush 22 seal the enclosure. Cleaning is therefore done at any time in a confined space corresponding to a specific area of the facade.
  • the fins 50 which, in the embodiment of FIG. 1, equip the projection nozzles, will cause by their rotation a first suction effect which will convey the materials in the annular zone 16, surrounding the working head. At the rear of the latter, the fins 30 of the turbine 3 resume the flow of materials to orient it towards the evacuation pipe 14.
  • the powerful suction device which is arranged at the lower end of the pipe E connected to line 14 evacuates the materials out of the enclosure.
  • the function of the sensors is to cause the increase or decrease depending on the reliefs of the facade, first the speed of rotation of the projection nozzles, as well as the speed of the automatic back-and-forth. These two speeds having an independent adjustment.
  • the computer controls the descent, by regular automatic sequence, of the latter along the cables 91 and 93; once this operation has been carried out, a new cleaning is carried out by lateral displacement of the enclosure which departs in the opposite direction along the gantry of translation.
  • the installation may have the following characteristics: - dimensions of the enclosure: height: approximately 1 m; width: about 1.5 m; depth: about 2 m; - nozzle rotation speed: 10 to 500 revolutions / minute; - translation speed of the working head inside the enclosure: 1 m / s; - amplitude of the back-and-forth movement of the head in the enclosure: 0.4 m; - cleaning capacity of an ordinary building facade: 5 to 25 m2 / hour, this capacity of course depending on the various characteristics of the facade (type of coating, type of fouling, etc.).

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Structural Engineering (AREA)
  • Cleaning In General (AREA)
  • Floor Finish (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
  • Sink And Installation For Waste Water (AREA)
  • Prevention Of Fouling (AREA)
  • Cleaning By Liquid Or Steam (AREA)
EP90460009A 1989-02-24 1990-02-26 Vorrichtung zum Reinigen von Gebäudefassaden Expired - Lifetime EP0384873B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT90460009T ATE83287T1 (de) 1989-02-24 1990-02-26 Vorrichtung zum reinigen von gebaeudefassaden.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8902737A FR2643673B1 (fr) 1989-02-24 1989-02-24 Dispositif de nettoyage de facades
FR8902737 1989-02-24

Publications (2)

Publication Number Publication Date
EP0384873A1 true EP0384873A1 (de) 1990-08-29
EP0384873B1 EP0384873B1 (de) 1992-12-09

Family

ID=9379294

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90460009A Expired - Lifetime EP0384873B1 (de) 1989-02-24 1990-02-26 Vorrichtung zum Reinigen von Gebäudefassaden

Country Status (6)

Country Link
EP (1) EP0384873B1 (de)
AT (1) ATE83287T1 (de)
DE (1) DE69000540T2 (de)
ES (1) ES2037542T3 (de)
FR (1) FR2643673B1 (de)
GR (1) GR3007239T3 (de)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0665085A1 (de) * 1994-01-14 1995-08-02 The Wheelabrator Corporation Oberflächenbehandlungsmaschine
AU668128B2 (en) * 1991-12-11 1996-04-26 Christian Diat Method for micro-cleaning a support and apparatus for implementing same
US5716261A (en) * 1994-01-14 1998-02-10 The Wheelabrator Corporation, Oscillating blast cleaner
EP0927083A2 (de) * 1996-08-30 1999-07-07 Sky Robotics, Inc. Gerät und verfahren zum nichtmanuellen auftragen von flüssigkeiten auf vertikale oberflächen und zur durchführung anderer nichtmanueller aufgaben an vertikalen oberflächen
FR2882673A1 (fr) * 2005-03-07 2006-09-08 Christian Diat Outil pneumatique a effet de poncage
EP2098334A1 (de) 2008-03-06 2009-09-09 Piller Entgrattechnik GmbH Vorrichtung zum Entgraten, Entspanen und/oder Reinigen der Kühlkanàle in einem Zylinderkopf
EP2455193A1 (de) 2010-11-22 2012-05-23 Prezioso-Technilor Sensorkopf für Entschichtungs-Rückstände
CN107584432A (zh) * 2016-07-07 2018-01-16 上海交通大学 用于自动喷砂的可旋转喷砂密封罩
CN107639547A (zh) * 2016-07-21 2018-01-30 上海交通大学 用于自动喷砂除锈的密封罩
CN110685450A (zh) * 2019-10-11 2020-01-14 江西高雅科技新材料有限公司 一种环保型涂料无尘剥离装置

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9017584U1 (de) * 1990-12-31 1992-01-23 Harald Zweig Bautenschutz GmbH, 4300 Essen Vorrichtung zur Reinigung der Wände von hochragenden Bauwerken, insbesondere von Kühltürmen, Schornsteinen, Silos o.dgl.
CN110528902B (zh) * 2019-09-11 2021-07-02 孙丹清 一种建筑外墙自动化保洁设备及保洁方法

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL64046C (de) * 1900-01-01
FR1495083A (fr) * 1966-09-09 1967-09-15 Vacu Blast Ltd Perfectionnement aux appareils de sablage
GB1151793A (en) * 1966-07-16 1969-05-14 Cammell Laird Shiprepairers Lt Improvements in or relating to Supporting and Manipulating Equipment for Shot Blasting Apparatus.
BE816893A (fr) * 1974-06-26 1974-10-16 Procede de nettoyage de facade et dispositif pour sa mise en oeuvre.
FR2329407A1 (fr) * 1975-10-29 1977-05-27 Enviro Blast Int Appareil de traitement d'une surface
US4045915A (en) * 1975-10-06 1977-09-06 Enviro-Blast International Portable sandblaster
GB2040193A (en) * 1979-01-25 1980-08-28 Remote Control Cleaning Units Apparatus for treating a vertical surface
EP0200858A2 (de) * 1985-04-02 1986-11-12 Jse Corporation Verfahren und Einrichtung zum Entfernen von an Oberflächen anhaftenden Stoffen

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR418513A (fr) * 1910-07-22 1910-12-12 Jean Roura Appareil à rincer et stériliser les futs
US1944404A (en) * 1931-10-29 1934-01-23 American Foundry Equip Co Rotary abrasive blast gun
FR1414659A (fr) * 1964-11-26 1965-10-15 Procédé notamment pour le ravalement et le nettoyage de façade d'immeuble ainsi que les dispositifs et installation pour la mise en oeuvre du présent procédé ou procédé similaire
CH446264A (de) * 1965-09-09 1968-03-15 Kalle Ag Mit einer porösen gasdurchlässigen, wasserundurchlässigen Beschichtung aus stickstoffhaltigen hochmolekularen Produkten versehenes Textilmaterial und Verfahren zu dessen Herstellung
GB2065514B (en) * 1979-12-19 1983-01-06 Vapormatt Ltd Blast apparatus

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL64046C (de) * 1900-01-01
GB1151793A (en) * 1966-07-16 1969-05-14 Cammell Laird Shiprepairers Lt Improvements in or relating to Supporting and Manipulating Equipment for Shot Blasting Apparatus.
FR1495083A (fr) * 1966-09-09 1967-09-15 Vacu Blast Ltd Perfectionnement aux appareils de sablage
BE816893A (fr) * 1974-06-26 1974-10-16 Procede de nettoyage de facade et dispositif pour sa mise en oeuvre.
US4045915A (en) * 1975-10-06 1977-09-06 Enviro-Blast International Portable sandblaster
FR2329407A1 (fr) * 1975-10-29 1977-05-27 Enviro Blast Int Appareil de traitement d'une surface
GB2040193A (en) * 1979-01-25 1980-08-28 Remote Control Cleaning Units Apparatus for treating a vertical surface
EP0200858A2 (de) * 1985-04-02 1986-11-12 Jse Corporation Verfahren und Einrichtung zum Entfernen von an Oberflächen anhaftenden Stoffen

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU668128B2 (en) * 1991-12-11 1996-04-26 Christian Diat Method for micro-cleaning a support and apparatus for implementing same
US5558562A (en) * 1991-12-11 1996-09-24 Diat; Christian Method for micro-cleaning a support and apparatus for implementing same
EP0665085A1 (de) * 1994-01-14 1995-08-02 The Wheelabrator Corporation Oberflächenbehandlungsmaschine
US5716261A (en) * 1994-01-14 1998-02-10 The Wheelabrator Corporation, Oscillating blast cleaner
EP0927083A2 (de) * 1996-08-30 1999-07-07 Sky Robotics, Inc. Gerät und verfahren zum nichtmanuellen auftragen von flüssigkeiten auf vertikale oberflächen und zur durchführung anderer nichtmanueller aufgaben an vertikalen oberflächen
EP0927083A4 (de) * 1996-08-30 2001-07-11 Sky Robotics Inc Gerät und verfahren zum nichtmanuellen auftragen von flüssigkeiten auf vertikaleoberflächen und zur durchführung anderer nichtmanueller aufgaben an vertikalen oberflächen
WO2006095079A3 (fr) * 2005-03-07 2006-12-07 Christian Diat Micro-ponceuse a effet de ponçage par disque air-abrasif
WO2006095079A2 (fr) * 2005-03-07 2006-09-14 Christian Diat Micro-ponceuse a effet de ponçage par disque air-abrasif
FR2882673A1 (fr) * 2005-03-07 2006-09-08 Christian Diat Outil pneumatique a effet de poncage
EP2098334A1 (de) 2008-03-06 2009-09-09 Piller Entgrattechnik GmbH Vorrichtung zum Entgraten, Entspanen und/oder Reinigen der Kühlkanàle in einem Zylinderkopf
EP2455193A1 (de) 2010-11-22 2012-05-23 Prezioso-Technilor Sensorkopf für Entschichtungs-Rückstände
FR2967601A1 (fr) * 2010-11-22 2012-05-25 Prezioso Technilor Tete de captage pour des residus provenant d'un decapage
CN107584432A (zh) * 2016-07-07 2018-01-16 上海交通大学 用于自动喷砂的可旋转喷砂密封罩
CN107584432B (zh) * 2016-07-07 2020-06-12 上海交通大学 用于自动喷砂的可旋转喷砂密封罩
CN107639547A (zh) * 2016-07-21 2018-01-30 上海交通大学 用于自动喷砂除锈的密封罩
CN107639547B (zh) * 2016-07-21 2020-06-12 上海交通大学 用于自动喷砂除锈的密封罩
CN110685450A (zh) * 2019-10-11 2020-01-14 江西高雅科技新材料有限公司 一种环保型涂料无尘剥离装置

Also Published As

Publication number Publication date
GR3007239T3 (de) 1993-07-30
DE69000540T2 (de) 1993-06-17
EP0384873B1 (de) 1992-12-09
FR2643673A1 (fr) 1990-08-31
DE69000540D1 (de) 1993-01-21
FR2643673B1 (fr) 1991-06-14
ATE83287T1 (de) 1992-12-15
ES2037542T3 (es) 1993-06-16

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