EP3615236A1 - Reinigungscontainer zum reinigen des mischkopfes einer mischmaschine sowie anordnung mit einer mischmaschine und mit einem solchen reinigungscontainer - Google Patents
Reinigungscontainer zum reinigen des mischkopfes einer mischmaschine sowie anordnung mit einer mischmaschine und mit einem solchen reinigungscontainerInfo
- Publication number
- EP3615236A1 EP3615236A1 EP18721343.4A EP18721343A EP3615236A1 EP 3615236 A1 EP3615236 A1 EP 3615236A1 EP 18721343 A EP18721343 A EP 18721343A EP 3615236 A1 EP3615236 A1 EP 3615236A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cleaning container
- mixing
- mixing head
- cleaning
- container
- 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
Links
- 238000002156 mixing Methods 0.000 title claims abstract description 248
- 238000004140 cleaning Methods 0.000 title claims abstract description 158
- 238000005422 blasting Methods 0.000 claims abstract description 50
- 238000000034 method Methods 0.000 claims description 26
- 235000011089 carbon dioxide Nutrition 0.000 claims description 22
- 239000000463 material Substances 0.000 claims description 22
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 20
- 239000000203 mixture Substances 0.000 claims description 20
- 239000002245 particle Substances 0.000 claims description 18
- 239000003795 chemical substances by application Substances 0.000 claims description 15
- 239000008188 pellet Substances 0.000 claims description 6
- 229920003023 plastic Polymers 0.000 claims description 5
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 239000012530 fluid Substances 0.000 claims description 2
- 238000011010 flushing procedure Methods 0.000 claims 2
- 239000007788 liquid Substances 0.000 description 6
- 239000003570 air Substances 0.000 description 4
- 238000003032 molecular docking Methods 0.000 description 4
- 238000000859 sublimation Methods 0.000 description 4
- 230000008022 sublimation Effects 0.000 description 4
- 239000013590 bulk material Substances 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229920000426 Microplastic Polymers 0.000 description 2
- 239000012080 ambient air Substances 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 208000012641 Pigmentation disease Diseases 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000008202 granule composition Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 230000019612 pigmentation Effects 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 235000013580 sausages Nutrition 0.000 description 1
- 230000002000 scavenging effect Effects 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
Classifications
-
- 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
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/35—Mixing after turning the mixing vessel upside down
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/10—Maintenance of mixers
- B01F35/145—Washing or cleaning mixers not provided for in other groups in this subclass; Inhibiting build-up of material on machine parts using other means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C1/00—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods
- B24C1/003—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods using material which dissolves or changes phase after the treatment, e.g. ice, CO2
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C3/00—Abrasive blasting machines or devices; Plants
- B24C3/32—Abrasive blasting machines or devices; Plants designed for abrasive blasting of particular work, e.g. the internal surfaces of cylinder blocks
- B24C3/325—Abrasive blasting machines or devices; Plants designed for abrasive blasting of particular work, e.g. the internal surfaces of cylinder blocks for internal surfaces, e.g. of tubes
-
- 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
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B2203/00—Details of cleaning machines or methods involving the use or presence of liquid or steam
- B08B2203/02—Details of machines or methods for cleaning by the force of jets or sprays
- B08B2203/0229—Suction chambers for aspirating the sprayed liquid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/093—Cleaning containers, e.g. tanks by the force of jets or sprays
- B08B9/0936—Cleaning containers, e.g. tanks by the force of jets or sprays using rotating jets
Definitions
- Cleaning container for cleaning the mixing head of a mixing machine and arrangement with a mixing machine and with such a cleaning container
- the invention relates to a cleaning container for cleaning a mixing head of an industrial mixing machine. Furthermore, the invention relates to an arrangement with a mixing machine, comprising a mixing head, equipped with means for connecting it to a container containing a mix, which mixing head is pivotally mounted relative to a frame such that the mixing container formed from the mixing bowl and mixing head for performing a mixing process pivotally is, and has at least one rotationally driven mixing tool, and with such a cleaning container.
- Industrial mixing machines are those used for the mixing, in particular, of bulk material, typically powdered bulk material, as is required, for example, for producing plastic granule mixtures or else in the paint industry.
- Such mixing machines have a comparison with a frame pivotally mounted mixing head, which also serves to seal a container containing the mix.
- This container is typically a mixing container.
- the mixing container is connected for the purpose of mixing its contents to the mixing head, so that then by the mixing head and the container, a closed mixing container is formed.
- the mixing head and the mixing container have complementary connection means so that the mixing container can be connected to the mixing head.
- connection typically takes place via a flange projecting radially outwards from the mixing container or the mixing head, wherein the two flanges are pressed against one another with the interposition of a seal.
- piston-cylinder actuators are used.
- the mixing head is pivotally mounted on a frame to bring the mixing container formed from mixing head and mixing container in its mixing position in which the mixing tool or the mixing head are arranged at the bottom.
- efforts are being made to achieve the desired mixing in as short a time as possible.
- too much heat is not introduced into the mix, especially if it is sensitive to heat.
- care must be taken to ensure that the heat input is not too large, since otherwise the particles to be mixed can cake with each other and on the inner wall of the mixing head or on the one or more mixing tools.
- the mixing head must first be carefully cleaned so that not remaining in the mixing head mix of the previously mixed mix passes into the subsequent mixing, this contaminated accordingly. This is especially true when the different mixes contain different color pigmentations.
- the cleaning of such a mixing head comprises the removal of mixed material dust adhering to its inner surface and the removal of mix material which has been gummed on the inner wall of the mixing head.
- the tools are to be cleaned. To clean the mixing head, the tools are dismantled and manually subjected to a liquid cleaning. The inner wall of the mixing head is also subjected to liquid cleaning, often using liquid jet equipment. The cleaning is done manually. Since the cleaning must be carried out very carefully, the cleaning process takes a correspondingly long time.
- the invention has for its object to propose a device with which the cleaning tion process of such a mixing head can be simplified and in particular also automated.
- a cleaning container for cleaning a mixing head of an industrial mixing machine which cleaning container comprises a cleaning container with an opening and connecting means for connecting the same to the mixing head of an industrial mixing machine, wherein cleaning container is designed so that this together with the mixing head, if With its opening pointing to this, connected to this, forms a closed cleaning space, wherein in the cleaning container of the cleaning container, a blast wheel of a centrifugal blasting device is arranged with a direction of the inner surface of the mixing head throwing direction for blasting the inner surface of the mixing head.
- the cleaning container has a cleaning container, which has an opening and connection means for connecting the cleaning container or its container to the mixing head.
- connection means are typically those which have mixing vessels to be connected to the mixing head of the mixing machine otherwise for the process of mixing.
- At least one blast wheel of a centrifugal blasting device is arranged in the cleaning container. Cleaning the inner wall of the mixing head is therefore dry.
- the throwing fan of the blast wheel is directed to the inner wall of the mixing head.
- the throwing fan is smaller than the surface facing the impeller of the inner wall of the mixing head.
- the blast wheel with respect to the throwing direction of the blasting agent can be set, so that in the course of such a device successively reaches the entire inner surface of the mixing head at least once in the area of blasting media throwing fan.
- the spinner wheel is thus moved with respect to its throwing fan on a predetermined trajectory for cleaning the inner surface of the mixing head. In this way, adhering to the inner surface of the mixing head mixed material is removed by blasting.
- the cleaning of the mixing head is typically carried out in a position of the mixing head and the cleaning container connected thereto, in which the cleaning container is at the bottom and its top opening is directed to the downwardly open mixing head.
- This also corresponds to the typical position of the mixing head, if a mixing container for mixing mixed material is connected to this.
- the blasting medium is thrown in such a position of mixing head and cleaning container by the impeller against gravity on the inner surface of the mixing head.
- the mixed material particles removed from the surface of the mixing head then, together with the material removed from the surface, fall downwards due to gravity and thus out of the mixing head and into the cleaning container, can be collected therein and led away.
- a particular advantage in the cleaning of the inner surface of a mixing head by blasting is that such cleaning is carried out dry and therefore there is no risk that in a subsequent mixing of the cleaning head mixing process cleaning liquid residues could be registered therein.
- blasting agent one will use one which does not damage the inner surface of the mixing head. This therefore has a lower hardness than the hardness of the inner surface of the mixing head forming material.
- Another advantage of such a cleaning of the mixing head is also that, in principle, the at least one tool for the process of cleaning the mixing head can also remain in this. This may not be the case with any of the mixheads removing remainders, but for many. In such a case, one has also saved in the cleaning of a mixing head then the removal and installation of the at least one mixing tool and its separate cleaning.
- the centrifugal blasting device whose blast wheel is arranged within the cleaning container of the cleaning container, has a blasting agent supply, via which the blasting agent is supplied to the blast wheel.
- a blasting agent which is not resistant under ambient conditions is used according to one embodiment.
- These are typically dry ice particles, for example in pellet form.
- Cleaning the inner surface of the mixing head, including its tools, by dry blasting in the closed cleaning vessel has several advantages. Due to the low Mohs hardness of dry ice particles (hardness 2 according to Mohs), damage to the inner surface of the mixing head and / or the tool or tools therein is excluded.
- the cleaning effect is particularly effective with respect to mixing material adhering to the inner surface of the mixing head or its at least one tool, which can be, for example, a plastic compound.
- the adhering to the inner surface of the mixing head mix is removed in a dry ice blasting less by the kinetic energy than by the caused by the dry ice blasting embrittlement and concomitant flaking of at the inner surface of the mixing head.
- the dry ice particles strike the soiled inner surface of the mixing head, they sublime, resulting in immediate embrittlement of the adhering mixed material.
- the volume on the inner surface of the mixing head of impinging dry ice particles increases by 700 to 800 times the volume of the particles or pellets.
- an extraction system is connected to the cleaning container or its cleaning container, through which the gas (CO.sub.2) produced during the sublimation is combined be removed from the cleaning container with the mixing material removed from the inner wall of the mixing head and / or the tool (s).
- the resulting due to the sublimation in the cleaning container formed from the mixing head and cleaning container pressure supports the expulsion of the gas, which carries the detached from the inner surface of the mixing head particles out of the cleaning container.
- the suction can be equipped with a suction pump to support this process.
- the mixed gas mixture withdrawn from the cleaning container can be cleaned, for example, in an air classifier, wherein the mix removed from the mixing head can be returned to its original destination.
- a purge line can be connected to the cleaning container or its cleaning container, via which a gaseous rinsing fluid, for example air, is introduced after the end of the cleaning process for rinsing the interior of the cleaning container for removing mixed-material dust which may still be present therein.
- a gaseous rinsing fluid for example air
- such a cleaning container for cleaning the mixing head of a mixing machine plastic particles or particles of aluminum or an aluminum alloy are used as blasting.
- the cleaning process is sometimes a little more abrasive with such a material than Trockeis.
- the cleaning space, formed from the mixing head and the cleaning container connected thereto can be flushed after the blasting process with a gas, for example ambient air.
- cleaning can be made automated.
- connection of the cleaning container to the mixing container can be made automatically and thus automatically.
- the cleaning container is typically in such a case hingedly connected to the frame of the mixing machine and is connected at a change of mixed material for performing the cleaning process to the mixing head and removed after completing the cleaning process of this again, so then immediately the next mixing container are connected to the mixing head to perform another mixing process can. It is understood that with such a cleaning container necessary for cleaning the mixing head downtime of the mixing machine are significantly reduced.
- a resistant blasting agent suitable for the removal of mixing material adhering to the inner wall of the mixing head and / or the tools is used as blasting agent.
- This can also be provided in such a way that in a first jet step, a resistant blasting agent, for example plastic particles and / or particles of aluminum or an aluminum alloy and in a second blasting step the blasting with dry ice and thus with a non-resistant blasting agent is performed.
- Fig. 1 a schematic, perspective view of an industrial
- Mixing machine with a container connected to the mixing head, a mixture-containing container in the mixing position of the mixing head,
- FIG. 2 shows a schematic longitudinal section of the mixing head in its docking position together with a cleaning container before docking to the mixing head and
- FIG. 2 with the cleaning container docked to the mixing head during the process of carrying out a cleaning of the inside of the mixing head.
- a mixing machine 1 for industrial purposes has a frame 2, on which a mixing head 3 is pivotally mounted. The pivot axis of the mixing head 3 is identified by the reference symbol S. About a drive 4, the mixing head 3 is pivotable about its pivot axis at least 180 °. In the embodiment shown in Figure 1, the pivoting of the mixing head 3 serves the purpose that in its relation to the illustration in Figure 1 rotated by 180 ° position a Mischgutcontainer 5 can be connected to the mixing head to after connecting the same to the mixing head 3 then the From the mixing container 5 and mixing head 3 formed unit in the mixing position shown in Figure 1 of the mixing head 3 to pivot.
- the above-described unit can be pivoted about the pivot axis S.
- the mixing head 3 has a circumferential connecting flange projecting radially outwards.
- the mixing container 5 has a complementary connecting flange. Both flanges are held together with the interposition of a seal for producing the unit from mixing head 3 and mixing container 5 by means known per se, for example by means of a piston-cylinder actuator.
- mixing head 3 of the illustrated embodiment two mixing tools are arranged, which are each driven by an electric motor.
- a first electric motor 6 serves to drive a first mixing tool
- a second electric motor 7 serves to drive the second mixing tool.
- the number of mixing tools driven in the mixing head 3 is of no relevance.
- FIG. 2 shows, in a simplified representation, the mixing head 3 of the mixing machine 1 with only one of its mixing tools, which is shown only schematically in FIG.
- the mixing tool is indicated in the figure 2 by the reference numeral 8.
- the mixing head 3 In the position shown in Figure 2, the mixing head 3 is in its docking position, so that a mixing container 5 can be connected to this. If another mix is to be mixed with the mixing head 3 after the mixing of a first mix in a subsequent mixing operation, it is necessary to free the mixhead 3 from residues of the mix previously mixed therein.
- the cleaning container 10 comprises a cleaning container 1 1, which in the illustrated embodiment has a similar shape as a mixing container 5.
- the cleaning container 10 has a top opening whose geometry of the bottom opening of the Mixing head 3 corresponds.
- On the outside of a connecting flange is attached.
- the cleaning container 10 of the illustrated embodiment is arranged in a manner not shown on the frame 2 of the mixing machine 1 and can be brought into its docking position shown for connection to the mixing head 3 in Figure 2 by means of a Schwenkaktors.
- a blast wheel 12 of a centrifugal blasting device is arranged within the cleaning container 1 1 of the cleaning container 10.
- the impeller 12 is, as indicated in Figure 2 by the arrows, in the vertical direction and about the pivot axis 13 adjustable.
- the spinner 12 is also pivotable about a pivot axis 13.1 orthogonal to the pivot axis 13.
- the blast wheel 12 is used for blasting the inside of the mixing head 3.
- the supply of the blasting agent is not shown in Figure 2 for the sake of simplicity.
- the Strahlkarzu slaughter might be within the cleaning container 1 1. Due to the adjustability of the impeller 12, in particular its pivotability about the pivot axis 13, the throwing fans directed towards the inside of the mixing head 3 can be pivoted over the entire inner surface of the mixing head 3, so that the entire surface can be successively cleaned by blasting. Due to the vertical adjustability of the centrifugal wheel 12, the opening width of the throwing fan of the blasting medium can be set up.
- a blasting agent for cleaning the inner surface of the mixing head 3 including its tool 8, a non-resistant blasting agent, in the form of dry ice pellets.
- FIG. 3 schematically shows the throwing fan 14 made of dry ice pellets directed onto the inner wall 9 of the mixing head 3, ejected from the centrifugal wheel 12.
- the centrifugal wheel 12 is successively pivoted about its pivot axis 13, so that the entire inner surface of the mixing head is in the area of the jet 14 arrived. In this case, a pivoting takes place equally about both pivot axes 13, 13.1.
- the mixing tool 8 is at the same time freed from mixed material adhering thereto.
- this is axially adjustable in a manner not shown in order to take a greater distance to the inner wall 9 with its pointing to the inner wall 9 back. In such a position, the cleaning effect is better.
- the mixing tool 8 may rotate slowly to access the interior wall areas, which otherwise might be shaded with respect to dry ice particle bombardment.
- the cleaning of the inner wall 9 of the mixing head 3 is also the same with an inclined in the direction of movement of the throwing fan 14 orientation, so that it impinges on the inner wall 9 at an angle. This measure can support the detachment effect.
- the cleaning container 1 1 is connected to a suction, not shown in the figures.
- the suction tube, through which the mixing container nis 1 1 is connected to the suction is indicated by the reference numeral 15.
- About the suction pipe 15 and the suction resulting from the sublimation of the dry ice on the inner wall 9 of the mixing head 3 and the gas removed in the course of dry ice blasting from the surface Mischgutreste is removed from the cleaning container 10. Due to the taking place on the inner wall 9 as a result of the dry ice irradiation sublimation and the consequent extreme increase in volume sweeps a gas flow along the inner wall 9 of the mixing head 3 in the cleaning container 10 into and to the suction pipe 15 out. Extracted via the suction tube 15 thus sublimated from the dry ice gas - CO2 - and transported with the gas stream and the surface of the mixing head 3 Mischgutpumble distant.
- scavenging air is introduced into the cleaning container 10 and mixing head 3 formed cleaning container and withdrawn through the suction.
- This may be, for example, heated air in order to remove any condensed moisture present in the cleaning container. In this way, possibly existing cleaning residues from the mixing head 3 and the cleaning container 10 are removed.
- the cleaning container 10 is separated from the mixing head 3 and pivoted back to its non-use position on the frame 2 of the mixing machine 1. Then, at the mixing head 3, the next mixing container with mixing material located therein can be immediately connected and used for the purpose of mixing the mixed material.
- a blast wheel 12 is arranged in the cleaning container 10. Quite possible is also an embodiment in which a plurality of centrifugal wheels are arranged at different positions therein in the cleaning container. These are connected according to an embodiment of a common Schleuderffenzu operation.
- the drive shaft of the tool 8 is not over in the figures Shaft seal shown led into the interior of the mixing head 3.
- it is provided to temper the shaft seal so that it can not be embrittled and damaged during a cleaning of the mixing head with dry ice or even destroyed. With such tempering, the shaft seal is maintained at a suitable temperature, for example at a temperature above 10 ° C.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Cleaning In General (AREA)
- Cleaning By Liquid Or Steam (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE202017102472.5U DE202017102472U1 (de) | 2017-04-26 | 2017-04-26 | Reinigungscontainer zum Reinigen des Mischkopfes einer Mischmaschine sowie Anordnung mit einer Mischmaschine und mit einem solchen Reinigungscontainer |
PCT/EP2018/060762 WO2018197627A1 (de) | 2017-04-26 | 2018-04-26 | Reinigungscontainer zum reinigen des mischkopfes einer mischmaschine sowie anordnung mit einer mischmaschine und mit einem solchen reinigungscontainer |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3615236A1 true EP3615236A1 (de) | 2020-03-04 |
EP3615236B1 EP3615236B1 (de) | 2020-11-11 |
Family
ID=62091873
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP18721343.4A Active EP3615236B1 (de) | 2017-04-26 | 2018-04-26 | System von einer industriellen mischmaschine, umfassend einen mischkopf und einen reinigungscontainer |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP3615236B1 (de) |
DE (1) | DE202017102472U1 (de) |
WO (1) | WO2018197627A1 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20200346256A1 (en) * | 2019-05-03 | 2020-11-05 | United Technologies Corporation | Systems and methods for cleaning pressure pot cover assembly |
WO2021062570A1 (es) * | 2019-10-04 | 2021-04-08 | Mella Labrana Marcelo | Equipo multimodal de limpieza y desinfección por descarga en alta velocidad de partículas |
DE102020129866A1 (de) | 2020-11-12 | 2022-05-12 | Zeppelin Systems Gmbh | Dichtungsvorrichtung |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4375740A (en) * | 1978-05-25 | 1983-03-08 | Jpd Manufacturing Limited | Portable abrading cabinet device for recycling abrasive blasting system |
DE8504449U1 (de) * | 1985-02-16 | 1989-02-23 | Messerschmitt-Bölkow-Blohm GmbH, 8012 Ottobrunn | Schleuderrad zum Entschichten von Lackbeschichtungen |
DE29719266U1 (de) * | 1997-10-19 | 1997-12-11 | GP- Granulate Pneumatic Gerätebau GmbH, 03222 Lübbenau | Vorrichtung zum trockenen Entfernen von Beschichtungen, Graffiti und sonstigen oberflächlichen Verunreinigungen |
DE19936698C1 (de) * | 1999-08-04 | 2000-12-21 | Continental Ag | Vorrichtung zur Reinigung von Vulkanisationsformen |
EP1898003A1 (de) * | 2006-09-05 | 2008-03-12 | SBZ Schörling-Brock Zweiwegetechnik GmbH | Verfahren zum sicheren und schnellen Entfernen von Verschmutzungsschichten vorzugsweise auf Tunnelwänden und -böden |
DE102013111158B3 (de) * | 2013-10-09 | 2014-11-13 | Dr. Herfeld Gmbh & Co. Kg | Verfahren zum Mischen eines Mischgutes innerhalb eines geschlossenen Mischraumes sowie industrieller Mischer |
-
2017
- 2017-04-26 DE DE202017102472.5U patent/DE202017102472U1/de active Active
-
2018
- 2018-04-26 WO PCT/EP2018/060762 patent/WO2018197627A1/de unknown
- 2018-04-26 EP EP18721343.4A patent/EP3615236B1/de active Active
Also Published As
Publication number | Publication date |
---|---|
EP3615236B1 (de) | 2020-11-11 |
DE202017102472U1 (de) | 2018-07-27 |
WO2018197627A1 (de) | 2018-11-01 |
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