EP2571657B1 - Procédé et dispositif de transport et de dosage d'un matériau en vrac dans le traitement au jet abrasif - Google Patents

Procédé et dispositif de transport et de dosage d'un matériau en vrac dans le traitement au jet abrasif Download PDF

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Publication number
EP2571657B1
EP2571657B1 EP20110735773 EP11735773A EP2571657B1 EP 2571657 B1 EP2571657 B1 EP 2571657B1 EP 20110735773 EP20110735773 EP 20110735773 EP 11735773 A EP11735773 A EP 11735773A EP 2571657 B1 EP2571657 B1 EP 2571657B1
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Prior art keywords
bulk material
reservoir
removal region
injection
tube
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EP20110735773
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German (de)
English (en)
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EP2571657A1 (fr
Inventor
Gerd Pieper
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Pieper Innovationsgesellschaft mbH
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Pieper Innovationsgesellschaft mbH
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C3/00—Abrasive blasting machines or devices; Plants
    • B24C3/02—Abrasive blasting machines or devices; Plants characterised by the arrangement of the component assemblies with respect to each other
    • B24C3/06—Abrasive blasting machines or devices; Plants characterised by the arrangement of the component assemblies with respect to each other movable; portable
    • B24C3/065—Abrasive blasting machines or devices; Plants characterised by the arrangement of the component assemblies with respect to each other movable; portable with suction means for the abrasive and the waste material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C7/00—Equipment for feeding abrasive material; Controlling the flowability, constitution, or other physical characteristics of abrasive blasts
    • B24C7/0046—Equipment for feeding abrasive material; Controlling the flowability, constitution, or other physical characteristics of abrasive blasts the abrasive material being fed in a gaseous carrier
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C9/00—Appurtenances of abrasive blasting machines or devices, e.g. working chambers, arrangements for handling used abrasive material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C9/00—Appurtenances of abrasive blasting machines or devices, e.g. working chambers, arrangements for handling used abrasive material
    • B24C9/003—Removing abrasive powder out of the blasting machine

Definitions

  • the invention relates to a method for conveying and dosing of bulk material, for example, blasting agents, welding powder, coating agent o. The like.,
  • bulk material for example, blasting agents, welding powder, coating agent o. The like.
  • vacuum suction In which the bulk material held in a set by a suction unit under vacuum reservoir from this transported the bulk material via a hose line to an injection beam lance, accelerated there by an atmospherically sucked foreign air stream and directed to a held by a jet hood vacuum working surface, sucked out of the jet hood, then fed to a separation unit for cleaning and is returned to the reservoir, so that the bulk material can be circulated.
  • the invention further relates to an apparatus for carrying out the method, comprising at least one storage container for receiving a loose bulk material, a separation unit for cleaning the bulk material, a suction unit connected to the separation unit for generating a negative pressure in the reservoir, a hose supply line connected to the reservoir for transporting the Bulk material in an injection blasting lance guided to a blasting hood placed under reduced pressure for accelerating the bulk material through a stream of air sucked in by the injection blasting lance at least under atmospheric pressure in the direction of a processing surface and a hose discharge connected to the blasting hood for sucking off the bulk material and the abraded particles from the jet hood in the separation unit and strictlybe statisticsn in the reservoir.
  • From the DE 101 02 924 C1 is a method for beam processing, in particular dimensionally accurate removal and / or compacting and / or coating of solid surfaces, for example removing paint defects from Lackier lake, smoothing soldering and welding seams, removal of contaminated concrete layers or rust layers, hardening, leveling or coating of metal surfaces known in which a blasting medium is metered in by means of gravity and / or injector action in a conveying air flow generated by negative pressure, conveyed in a hose line system to a jet lance and directed onto a working surface set under negative pressure by a blasting chamber, from there into the air flow back, cleaned and possibly circulated, wherein the acceleration of the blasting agent is generated by the negative pressure and the blasting chamber is shifted from the processing surface to the processing surface.
  • the blasting agent is given at least one additional energy pulse by at least one further sucked by the negative pressure, at least atmospheric pressure gas stream to achieve a lying well above the flow velocity of the carrier air flow end velocity, with the energy input into the surface to be processed depending on the parameters, type and shape the working surface and the blasting agent, degree of loading of the carrier air flow with blasting agent, negative pressure in the carrier air flow, jet time and jet temperature is set.
  • This known method works with a storage container for the blasting material, in which a plurality of bulk hopper are arranged one above the other, which are pneumatically separated by closing members such as flaps, valves or valves.
  • the blasting agent passes by gravity from these bulk hoppers in the metering device, which is under normal pressure.
  • the interfaces between the various pressure areas within a plant are often vulnerable, because blasting agents of different types and shapes are used, which complicate a pneumatic separation.
  • the juxtaposition of underpressure and overpressure always leads to Pressure losses, which must be compensated by a corresponding dimensioning of the suction unit.
  • the present invention seeks to provide a method and apparatus for conveying, transporting and dosing of bulk material, for example abrasive, welding powder, coating agent o. The like., When working, bonding or coating surfaces by means of vacuum suction, in the the conveying, transporting and dosing only in the negative pressure while simplifying the procedures and the assemblies for the reservoir and the dosage, increasing the reliability and cost savings is possible.
  • the solution according to the invention is based on the knowledge of laying the dosing process in the vacuum range, so that the conveying, transporting and dosing of the blasting agent can be carried out within a completely held under negative pressure circuit.
  • a suction flow for removal and metering of the blasting agent is produced with a submerged in a removal area of the bulk bed injection metering, wherein the bulk of the bulk material is loosened in the removal area by an extracted from the suction air of the separation unit air flow, with a is directed into the removal area via a pitot tube connected in the inflow cone of the separation unit.
  • the bulk material bed is stored on a conical bottom in the reservoir, in the tube-like, closed bottom removal area, the bulk material brought together by gravity and the bed height above the sampling area almost a maximum value, wherein the suction flow generated by the injection metering tube for removal and dosage of the blasting agent is directed in this area.
  • the removal area is sealed off from the separation unit by the bulk material bulk disposed above it by a sufficiently large pad of bulk material, whereby two different levels of underpressure within the storage container can function safely next to one another.
  • the bulk material bed in the removal area is loosened up by an atmospheric stream of external air, which is supplied from the outside to a fluidizing pipe or through a discharge pipe Air admission hole is directed into the removal area.
  • the negative pressure at the injection metering tube to values between 30 to 350 mbar, preferably 200 mbar and the negative pressure in the reservoir or the jet hood to> 400 mbar, preferably 150 to 250 mbar set. This pressure difference is sufficient to remove the blasting agent with the injection metering tube from the removal area of the blasting material bed and to meter accordingly sensitive in the transport stream.
  • the method according to the invention can be used variably. Thus, it can be used everywhere where machining operations are performed with the vacuum suction blasting, for example, for removing paint defects from painting, deburring, smoothing solder and welds, removal of contaminated concrete layers or rust layers, hardening, leveling or coating of metal surfaces, connecting through Welding, drilling and stripping of solar cells etc.
  • the object is further achieved by a device in that for dosing and conveying the bulk material into the interior of the bulk bed in the reservoir immersion, a discharge area of the bed detecting injection metering tube is provided for sucking at least under atmospheric pressure or negative pressure air stream, wherein in the removal area connected to the Anströmkegel the separation unit pitot tube for supplying an air flow from the vacuum atmosphere in the reservoir for the purpose of loosening the bulk bed in the removal area is guided, and wherein the injection metering tube is connected downstream with the injection jet through the hose inlet, in which a operated with positive pressure additional injector to maintain a pressure difference between the injector jet lance and injection metering tube is provided.
  • the reservoir has a conical bottom for bearing the bulk material, which merges at its lowest point in a tubular, completed by a bottom removal area in which the bulk of the bed by gravity focusing converges and the bed above the removal area a has almost maximum dumping height, the injection metering tube is guided with its suction opening in the removal area for sucking and dosing of bulk material.
  • the injection metering tube has a suction opening, which is in communication with the atmospheric air outside the reservoir and whose size is adjustable by a slider.
  • the device according to the invention can also be arranged completely within the storage container.
  • the suction port of the injection metering tube communicates with the negative pressure atmosphere in the reservoir.
  • the injection metering tube can assume any desired installation position, preferably an angle of 20 ° to the container axis, so that the injection metering tube can be arranged horizontally, vertically or in an angular position, depending on the plant-specific requirements.
  • an air inlet bore communicating with the outside atmosphere is provided in the bottom of the removal area, by means of which a certain amount of external air is directed into the removal area for loosening up the abrasive bulk.
  • a fluidizing tube for supplying an atmospheric air stream for the purpose of loosening the bulk material is guided into the bulk material bulk of the removal area. This allows an exact dosage of even the smallest amounts and prevents blockages at the suction port of the injection metering tube.
  • the device according to the invention is simple and robust in construction and has the great advantage that the removal and metering of the bulk material quantity can be carried out directly from the negative pressure region of the reservoir, without that a special pneumatic separation of metering and feeding of bulk material are required.
  • the Fig. 1 shows a schematic functional diagram of the method according to the invention for performing a machining on a vertical flat surface 1.
  • a carrier air flow T LM of 20 m 3 / h to 300 m 3 / h and at the same time generates a negative pressure of 30 to 350 mbar.
  • the suction unit 2 is connected via a hose 3 to a separation unit 4, which closes a reservoir 5 of about 0.1 to 200 liters pressure-tight, so that in the reservoir 5 of the suction unit 2 generated negative pressure of for example 200 mbar is applied.
  • the bottom 6 of the reservoir 5 is formed as a cone bottom 6a with an opening angle ⁇ between 90 and 120 °, preferably 90 °, and has at its lowest point P in alignment with the container axis E-E closed by a bottom 8 removal area. 7
  • the reservoir 5 was filled before closing by the separation unit 4 with a loose bulk S of bulk material, such as corundum, glass breakage, zircon sand, slag, steel, cast steel, ceramics, welding powder, etc., which is stored on the cone bottom 6a.
  • a loose bulk S of bulk material such as corundum, glass breakage, zircon sand, slag, steel, cast steel, ceramics, welding powder, etc.
  • Part of the bulk material slides down by gravity along the cone bottom 6a and fills the removal region 7, which has been closed outwards through the bottom 8, with the bulk material, the bulk level SH reaching essentially a maximum value above the removal region 7.
  • an elongated injection metering tube 9 is guided, the suction opening 10 ends near the bottom 8 of the removal region 7.
  • the injection metering tube 9 penetrates the container wall 11 of the storage container 5 and is at an angle ⁇ of> 5 ° (see also 4a ) Fixed to the container axis EE at this, the penetration is carried out pressure-tight. Downstream, the injection metering 9 has a Intake opening 12, which in accordance with Fig. 1 located outside of the reservoir 5 and thus has a direct connection to the atmospheric air.
  • Intake opening 12 for a further construction of the injection metering tube 9, reference is made to that in section [0034] (see also FIG Fig. 2 ).
  • a hose feed line 30 is connected, which leads to an injector jet lance 14 whose outlet end 15 is inserted into a jet hood 16.
  • the suction port 17 of the injector jet lance 14 is connected to the outside atmosphere.
  • a hose outlet 18 leads back to the reservoir 5, wherein the hose discharge 18 opens approximately in height of the Anströmkegels 19 of the separation unit 4 in the reservoir 5, so that a closed circuit for the carrier air flow T LM is created, which ensures that in Injection metering 9, in the hose inlet 13, in the injector jet lance 14, in the jet hood 16 and the hose section 18 equally prevailing in the reservoir 5 negative pressure p UB is applied, which may be in the range between 30 to> 350 mbar.
  • the carrier air flow T LM promotes via the suction port 12 of the injection dosing 9 an air flow L D , the additional negative pressure p D in the injection dosing 9, ie at the suction port 10 of the injection dosing 9, and generates the bulk material from the removal area 7 sucks.
  • the injection metering tube 9 is designed so that it operates at a negative pressure p D of 60 to 360 mbar can be, ie there must always be a negative pressure difference ⁇ p between the negative pressure p ST at the jet lance 14 and the negative pressure p D at the injection metering 9 of at least 10 mbar in favor of the negative pressure on the injection metering tube 9 so that the injection metering 9 safely suck the desired amount of bulk material from the removal area 7 and can promote in the carrier air flow T LM .
  • the bed height SH of the bulk bed reaches above the removal area 7 substantially a maximum, so that the bulk material in the reservoir 5 forms a sufficient barrier against the negative pressure p UB in the rest of the reservoir 5.
  • the removal area 7 is sealed off by the bulk material, so that the negative pressure p D applied to the injection metering tube 9, which is higher than the negative pressure p UB in the storage container 5, is sufficient to reliably remove the blasting agent from the removal area.
  • the amount of air flow L D at the injection metering 9 can be adjusted by regulating the amount of air flow L D at the injection metering 9 depending on the prevailing at the injection jet lance 14 vacuum p UST the amount of sucked bulk material.
  • Fig. 2 shows the basic structure of the injection metering tube 9 in section in side view.
  • the injection metering tube 9 consists of an outer tube 20 with a diameter of for example 20 mm, into which an inner tube 21 is inserted with a diameter of 10 mm, for example, and forms an annular gap to the suction opening 10 due to the small difference in diameter.
  • the inner tube 21 is shorter with respect to the outer tube 20 and ends in front of the suction opening 10 arranged in the outer tube 20. Both tubes 20 and 21 are fixed in a sleeve 22. At the downstream end 13 of the outer tube 20 is the suction port 12 for sucking the air flow L D , whose size can be adjusted by a slider 23 according to the desired metered amount of bulk material to be sucked.
  • the suction-side end 24 of the outer tube 20 is closed by a cover 25 bent at an angle of, for example, 35 °.
  • the suction opening 10 of the injection metering tube 9 is parallel to the longitudinal axis B-B of the outer tube in the lateral surface of the outer tube 20, so that a blockage of the suction opening 10 is counteracted by bulk material.
  • the outer tube 20 and inner tube 21 of the injection metering tube 9 made of stainless steel, ceramic or other wear-resistant materials.
  • Fig. 3 is a further variant of the method according to the invention illustrated.
  • the injection metering 9 is in this case completely in the reservoir 5 and has no connection to the outside atmosphere.
  • the suction port 12 of the injection metering 9 sucks the air flow L D from the negative pressure atmosphere of the reservoir 5 at.
  • the sequence and the mode of operation of the method according to the invention then further correspond to the manner shown in section [0032]. It must only be ensured that the pressure difference ⁇ p in the sub-pressures between injection metering tube 9 and injection jet lance 14 reaches a corresponding magnitude. This can be assisted, for example, with an injector 29 which is additionally inserted into the hose feed line 30 and which is operated with overpressure.
  • Fig. 4a to 4c show possibilities to loosen the filled with bulk material removal area 7 in the reservoir 5.
  • FIG. 4b shows another variant of the loosening, which consists in that a fluidizing tube 27 is guided into the removal region 7.
  • the fluidizing tube 27 has a connection to the outside atmosphere and directs an atmospheric air flow targeted into the removal region 7.
  • FIG Fig. 4c the possibility of the inflow cone 19 of the separation unit 4 via a pitot tube 28 a targeted air flow L A from the carrier air flow TLM as dynamic pressure in the removal area 7.
  • the injection metering 9 inside and outside of the reservoir 5 may have any mounting position with respect to the removal region 7.
  • the injection metering 9 can be arranged horizontally, vertically or else at an angle ⁇ of, for example, 10 ° to the container axis EE.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Air Transport Of Granular Materials (AREA)
  • Furnace Charging Or Discharging (AREA)
  • Basic Packing Technique (AREA)

Claims (11)

  1. Procédé de transport et de dosage d'un matériau en vrac, par exemple d'agents de grenaillage, de poudre de soudage, d'agents de revêtement ou analogues, lors du traitement, de l'assemblage ou du revêtement de surfaces au moyen de jets aspirants sous vide, dans lequel le matériau en vrac est préparé dans un réservoir de stockage (5) mis sous dépression (puB) par une unité d'aspiration (2), le matériau en vrac est transporté à partir de celui-ci par un tuyau souple (3) jusqu'à une lance d'injection par jets (14), il y est accéléré par un courant d'air extérieur aspiré dans l'atmosphère et dévié vers une surface de traitement (1) maintenue sous dépression (puB) par une hotte à jets, il est aspiré hors de la hotte à jets (16), il est ensuite envoyé à une unité de séparation (4) pour nettoyage et renvoyé dans le réservoir de stockage (5), de telle manière que le matériau en vrac puisse être déplacé en circuit, caractérisé en ce que l'on produit un courant d'aspiration avec un tube doseur d'injection (9) plongeant dans une région de prélèvement (7) du matériau en vrac afin de prélever et de doser le matériau en vrac, dans lequel la masse accumulée dans la région de prélèvement (7) est désagrégée par un courant d'air (LA) prélevé dans l'air d'aspiration de l'unité de séparation (4), qui est dévié dans la région de prélèvement (7) au moyen d'un tube de refoulement (28) raccordé dans le cône d'admission (19) de l'unité de séparation (4).
  2. Procédé selon la revendication 1, caractérisé en ce que le matériau en vrac est déposé sur un fond conique (6a) dans le réservoir de stockage (5), dans la région de prélèvement tubulaire à fond fermé (7) duquel le matériau en vrac est rassemblé par l'action de la gravité et la hauteur d'accumulation (SH) atteint pratiquement une valeur maximale au-dessus de la région de prélèvement (7), dans lequel le courant d'aspiration produit par le tube doseur d'injection (9) est dévié dans cette région pour le prélèvement et le dosage du matériau en vrac.
  3. Procédé selon la revendication 1, caractérisé en ce que la masse accumulée du matériau en vrac dans la région de prélèvement (7) est désagrégée par un courant d'air extérieur atmosphérique (LF), qui est dévié de l'extérieur dans la région de prélèvement (7) avec un tube de fluidisation (27) ou par un orifice d'arrivée d'air (26) associé à la région de prélèvement (7).
  4. Procédé selon la revendication 1, caractérisé en ce que la dépression (puST) au tube doseur d'injection (9) est réglée à des valeurs comprises entre 60 et >360 mbar, de préférence 200 mbar et la dépression dans le réservoir de stockage (5) ou dans la hotte à jets (14) est réglée à 50 à 350 mbar.
  5. Dispositif pour la mise en oeuvre du procédé selon la revendication 1, comportant au moins un réservoir de stockage (5) destiné à contenir un matériau en vrac meuble, une unité de séparation (4) pour le nettoyage du matériau en vrac, une unité d'aspiration (2) raccordée à l'unité de séparation (4) pour produire une dépression (puB) dans le réservoir de stockage (5), une conduite d'alimentation souple (13) raccordée au réservoir de stockage (5) pour le transport du matériau en vrac à une lance d'injection par jets (14) menée à une hotte à jets (16) mise sous dépression (puB) pour l'accélération du matériau en vrac par un courant d'air atmosphérique (LST) aspiré par la lance d'injection par jets (14) en direction d'une surface de traitement (1), et un tuyau d'évacuation souple (18) raccordé à la hotte à jets (16) pour l'aspiration du matériau en vrac et des particules séparées hors de la hotte à jets (16) dans l'unité de séparation (4), caractérisé en ce qu'il est prévu pour le dosage et le transport du matériau en vrac un tube doseur d'injection (9) plongeant à l'intérieur de la masse accumulée de matériau en vrac dans le réservoir de stockage (5) et comprenant une région de prélèvement (7) de la masse accumulée pour l'aspiration d'un courant d'air se trouvant au moins à la pression atmosphérique ou sous dépression, dans lequel un tube de refoulement (28) raccordé au cône d'admission (19) de l'unité de séparation (4) est mené dans la région de prélèvement (7) pour fournir un courant d'air (LA) provenant de l'atmosphère sous dépression dans le réservoir de stockage (5) afin de désagréger la masse accumulée de matériau en vrac dans la région de prélèvement (7), et dans lequel le tube doseur d'injection (9) est raccordé côté sortie à la lance d'injection par jets (14) par la conduite d'alimentation souple (13), dans laquelle il est prévu un injecteur additionnel (29) opérant en surpression pour le maintien d'une différence de pression (Δp) entre la lance d'injection par jets (14) et le tube doseur d'injection (9).
  6. Dispositif selon la revendication 5, caractérisé en ce que le réservoir de stockage (5) présente un fond conique (6a) pour le dépôt de la masse accumulée de matériau en vrac, qui se transforme, à son point le plus profond (P), en une région de prélèvement tubulaire (7) fermée par un fond (8) dans laquelle le matériau en vrac de la masse accumulée de matériau en vrac se rassemble en se regroupant sous l'action de la gravité et la masse accumulée de matériau en vrac présente une hauteur d'accumulation pratiquement maximale (SH) au-dessus de la région de prélèvement (7), dans lequel le tube doseur d'injection (9) est mené avec son ouverture d'aspiration (10) dans la région de prélèvement (7) afin d'aspirer et de doser le matériau en vrac.
  7. Dispositif selon la revendication 5, caractérisé en ce que le tube doseur d'injection (9) présente une ouverture d'aspiration (12), qui est en communication avec l'air atmosphérique à l'extérieur du réservoir de stockage (5) et dont la grandeur est réglable au moyen d'un tiroir (23).
  8. Dispositif selon la revendication 5, caractérisé en ce que le tube doseur d'injection (9) présente une ouverture d'aspiration (12), qui est en communication avec l'atmosphère en dépression du réservoir de stockage (5).
  9. Dispositif selon la revendication 5, caractérisé en ce que le tube doseur d'injection (9) présente une position de montage quelconque par rapport à la région de prélèvement (7), de préférence un angle (β) de 10° par rapport à l'axe du réservoir (E-E).
  10. Dispositif selon la revendication 5, caractérisé en ce qu'un orifice d'arrivée d'air (26) qui est en communication avec l'atmosphère extérieure est disposé dans le fond (8) de la région de prélèvement (7) pour la désagrégation de la masse accumulée de matériau en vrac de la région de prélèvement (7).
  11. Dispositif selon la revendication 5, caractérisé en ce qu'un tube de fluidisation (27) destiné à amener un courant d'air atmosphérique (LF) est conduit dans la masse accumulée de matériau en vrac de la région de prélèvement (7) dans le but de désagréger le matériau en vrac.
EP20110735773 2010-05-17 2011-05-16 Procédé et dispositif de transport et de dosage d'un matériau en vrac dans le traitement au jet abrasif Active EP2571657B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE201010020691 DE102010020691B4 (de) 2010-05-17 2010-05-17 Verfahren und Vorrichtung zum Fördern und Dosieren von Schüttgut beim Vakuumsaugstrahlen
PCT/DE2011/001082 WO2012019576A1 (fr) 2010-05-17 2011-05-16 Procédé et dispositif de transport et de dosage d'un matériau en vrac dans le traitement au jet abrasif

Publications (2)

Publication Number Publication Date
EP2571657A1 EP2571657A1 (fr) 2013-03-27
EP2571657B1 true EP2571657B1 (fr) 2015-04-29

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EP (1) EP2571657B1 (fr)
DE (1) DE102010020691B4 (fr)
DK (1) DK2571657T3 (fr)
WO (1) WO2012019576A1 (fr)

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* Cited by examiner, † Cited by third party
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EP3096591A1 (fr) * 2015-05-22 2016-11-23 GP Anlagenbau GmbH Procede et dispositif de reduction d'une charge electrostatique lors du traitement, de la liaison ou du revetement de surfaces par moyens de jet abrasif sous vide
WO2017059935A1 (fr) * 2015-10-09 2017-04-13 Audi Ag Procédé de traitement d'une surface d'une pièce

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* Cited by examiner, † Cited by third party
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EP3146933B1 (fr) * 2015-09-22 2019-11-20 Ferton Holding S.A. Chambre de poudre pour un dispositif de polissage par air et dispositif de polissage par air
DE102020104689A1 (de) 2020-02-21 2021-08-26 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung eingetragener Verein Vorrichtung und Verfahren für einen Materialabtrag an Faserverbundwerkstoffen, insbesondere zum Schäften
DE102020118828A1 (de) 2020-07-16 2022-01-20 Dyemansion Gmbh Betreiben einer Strahlanlage mit Steuerdaten
CN214086655U (zh) * 2020-12-23 2021-08-31 江苏博迁新材料股份有限公司 一种超细粉体吸入式喂料设备

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4344947A1 (de) * 1993-12-24 1995-08-17 Klaus Frohne Anordnung zum staublosen Schleuderstrahlen
AU3269897A (en) * 1996-06-27 1998-01-14 Wizard Technology Limited An abrasive blasting apparatus
DE19747838C2 (de) * 1997-10-19 2001-07-12 Gp Granulate Pneumatic Geraete Verfahren und Vorrichtung zum trockenen Entfernen von Beschichtungen, Graffiti oder sonstigen oberflächlichen Verunreinigungen
DE10257241B4 (de) * 2001-01-23 2006-08-17 Pieper Innovationsgesellschaft Mbh Vorrichtung, insbesondere Werkstatt- und/oder Hobbysystem zum Bearbeiten, insbesondere Vakuumsaugstrahlen, von Flächen
DE10102924C1 (de) 2001-01-23 2002-06-13 Pieper Innovationsgmbh Verfahren und Vorrichtung zum Strahlbearbeiten, insbesondere formgenauen Abtragen und/oder Verdichten und/oder Beschichten, von festen Flächen
EP2177317A1 (fr) * 2008-10-14 2010-04-21 HRV Engineering GmbH Transporteur abrasif

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3096591A1 (fr) * 2015-05-22 2016-11-23 GP Anlagenbau GmbH Procede et dispositif de reduction d'une charge electrostatique lors du traitement, de la liaison ou du revetement de surfaces par moyens de jet abrasif sous vide
WO2017059935A1 (fr) * 2015-10-09 2017-04-13 Audi Ag Procédé de traitement d'une surface d'une pièce
US10773357B2 (en) 2015-10-09 2020-09-15 Audi Ag Method for machining a surface of a component

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DE102010020691B4 (de) 2014-09-04
EP2571657A1 (fr) 2013-03-27
WO2012019576A1 (fr) 2012-02-16
DE102010020691A1 (de) 2011-11-17
DK2571657T3 (da) 2015-08-03

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