EP3584049B1 - Machine de moulage en plusieurs pièces - Google Patents

Machine de moulage en plusieurs pièces Download PDF

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Publication number
EP3584049B1
EP3584049B1 EP19176687.2A EP19176687A EP3584049B1 EP 3584049 B1 EP3584049 B1 EP 3584049B1 EP 19176687 A EP19176687 A EP 19176687A EP 3584049 B1 EP3584049 B1 EP 3584049B1
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EP
European Patent Office
Prior art keywords
molded part
mould part
coupling
coupling device
mould
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.)
Active
Application number
EP19176687.2A
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German (de)
English (en)
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EP3584049A2 (fr
EP3584049A3 (fr
Inventor
Klaus Griesbach
Norbert Vogel
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.)
Tools and Technologies GmbH
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Tools and Technologies GmbH
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Publication date
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Publication of EP3584049A2 publication Critical patent/EP3584049A2/fr
Publication of EP3584049A3 publication Critical patent/EP3584049A3/fr
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Publication of EP3584049B1 publication Critical patent/EP3584049B1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B1/00—Producing shaped prefabricated articles from the material
    • B28B1/26—Producing shaped prefabricated articles from the material by slip-casting, i.e. by casting a suspension or dispersion of the material in a liquid-absorbent or porous mould, the liquid being allowed to soak into or pass through the walls of the mould; Moulds therefor ; specially for manufacturing articles starting from a ceramic slip; Moulds therefor
    • B28B1/265—Producing shaped prefabricated articles from the material by slip-casting, i.e. by casting a suspension or dispersion of the material in a liquid-absorbent or porous mould, the liquid being allowed to soak into or pass through the walls of the mould; Moulds therefor ; specially for manufacturing articles starting from a ceramic slip; Moulds therefor pressure being applied on the slip in the filled mould or on the moulded article in the mould, e.g. pneumatically, by compressing slip in a closed mould
    • B28B1/266—Means for counteracting the pressure being applied on the slip or on the moulded article in the mould, e.g. means for clamping the moulds parts together in a frame-like structure

Definitions

  • the present invention relates to a device for producing a ceramic blank in a multi-part mold according to the preamble of claim 1.
  • a liquid suspension which comprises a water-mineral mixture, called "slip" in technical language, is introduced into a form in which the slip solidifies by removing water, so that a blank corresponding to the shape is produced.
  • the mold is then opened and the blank can be removed.
  • the blank is usually processed into a final product in a subsequent process, for example overcasting, glazing and firing. In the sense of the present invention, the blank is already seen as the final product, since downstream processing steps have no influence on the inventive concept described here.
  • the mold is completely filled with slip, but after a predetermined time at which slip has solidified in a desired wall thickness along the entire inner wall of a shaping section of the mold, slurry that has not yet solidified is drained from the mold in order to do so to obtain a hollow shape.
  • a product of simple design such as a cup-shaped vessel with a uniform wall thickness
  • the coupling device in its coupling position connects two molded parts with each other in an operationally fixed manner or in its release position allows these molded parts to be displaced relative to each other.
  • the coupling device can be a connection of the corresponding molded parts in the form of a frictional connection, for example by means of brake shoes which press on a rail, and / or a positive connection, such as a latching or toothing.
  • the molded parts can be designed to be porous, at least in sections, so that they are designed to absorb water.
  • the molded parts can be designed to remove water from the slip introduced into the mold in order to solidify it.
  • the coupling device cannot be part of the molded parts, but rather be arranged separately from them. It can thus be made possible to exchange molded parts, for example, to produce different blanks, and still the functionality of the to maintain the device according to the invention.
  • the device can further comprise a control unit which is set up to control a transition between the coupling position and the release position of the coupling device.
  • the control unit can comprise a memory unit in which it is stored at what point in time or after what path of a displacement of one or more molded parts the coupling device is to be transferred into the coupling position or into the release position.
  • the control unit can furthermore comprise a measuring unit which can detect an elapsed time and / or a distance covered.
  • the control unit can activate or deactivate an actuating device of the coupling device that is driven, for example, hydraulically, magnetically or pneumatically.
  • the coupling device can be in the coupling position when the actuating device is activated and in the release position when it is deactivated.
  • the relative displacement of the first molded part and the second molded part, the relative displacement of the at least one further molded part and the first molded part and the relative displacement of the at least one further molded part and the second molded part can all take place along one and the same displacement axis. It is thus possible to use a single drive device both for moving only one molded part with respect to other molded parts and for moving several molded parts with respect to at least one other molded part. Limiting the displacement to exactly one displacement axis also means that it can be ensured in this way that a molded part can be repeatedly shifted back and forth between a first and a second position, the molded part always being the same when it reaches the first and second position remains oriented.
  • the device comprises a further coupling device which can be adjusted between a coupling position and a release position, the further coupling device in its coupling position connecting the at least one further molded part to the first molded part in an operationally fixed manner and the further coupling device in its released position causing a relative displacement of the first molded part and the at least one further molded part allows.
  • the further coupling device can, for example, be operated pneumatically, but also magnetically or hydraulically, and upon activation of the further coupling device, the at least one further molded part can be fixed immovably relative to the first molded part.
  • the device further comprises a frame.
  • the frame can be a frame burned out of sheet steel.
  • the frame can also hold the drive device, for example.
  • the first molded part can be attached to the frame in an operationally fixed manner.
  • the first molded part can be attached to a mounting plate of the frame for detachable fastening of the first molded part from the frame.
  • the second molded part and / or the at least one further molded part can be attached to the frame so as to be displaceable relative to the latter.
  • a rail arrangement is provided on the frame, along which a carriage connected to the second molded part and at least one further carriage connected to the at least one further molded part can be moved.
  • a mounting plate or a mounting arm for releasably attaching the second and / or at least one further molded part can be attached to the slide.
  • the mounting arms are in particular together with the molded parts assigned to them displaceable, that is, in accordance with the molded parts displaceable relative to one another, the respective mounting arms can also be displaced relative to one another.
  • the individual carriages of the respective molded parts or of the assembly arms can form a common carriage.
  • the coupling device comprises a clamping device, the clamping jaws of which cooperate with a bar, the clamping device being mounted on a first of the carriages and the bar being mounted on a second of the carriages.
  • the bar can be mounted on the first carriage such that it can roll or slide, for example, in order to support it.
  • the further coupling device can comprise a further clamping device, the clamping jaws of which interact with the rail arrangement.
  • the clamping jaws can be operated pneumatically, for example, but also magnetically or hydraulically.
  • the rail arrangement can be arranged in the vertical direction above the molded parts. This can be particularly advantageous in connection with the mounting arms described above.
  • a mounting arm can be essentially U-shaped, with the opening of the U-shape pointing to the side and the two legs of the U-shape being arranged one above the other in a vertical direction.
  • the molded part can be arranged at the vertically lower end of the U-shape, for example protruding into the opening of the U-shape, and the assembly arm can be movably mounted at the vertically upper end of the U-shape.
  • Such a "hanging" mounting can reduce the lever forces acting on the mounting due to a tilting moment of the mounting arm compared to one below the Minimize storage lying on the mounting arm. Furthermore, in this way an installation space required for storage in the vicinity of the molded parts can remain free, whereby access to the mold or the removal of the blank from the mold can be simplified.
  • the drive device can comprise a long stroke device, for example a spindle drive, and a short stroke device, for example a fluidically operated short stroke cylinder.
  • a “fluidically operated” cylinder is to be understood here as a drive which can be operated pneumatically and / or hydraulically.
  • Spindle drives can have the advantage that they combine high-precision positioning with quick response behavior, that is to say that a molded part driven by the spindle drive can be displaced quickly and precisely from a first predetermined position to a second predetermined position.
  • the short stroke device can be provided between the drive device of the device according to the invention and the second molded part, for example engaging the mounting arm of the second molded part.
  • the short-stroke device can be set up to displace the second molded part and, when the coupling device is in its coupling position, also the at least one further molded part, with high force generation.
  • the molded parts which are in the position in contact with one another can be pressed together to form a tight shape.
  • a displacement range of the short-stroke device can be, for example, 5 mm to 15 mm, in particular approximately 10 mm.
  • the short stroke device can comprise a displacement measuring system and / or a pressure measuring system, which are set up to measure a pressure which acts from a slip poured into the mold in a direction opposite to the contact force of the short stroke device by correspondingly adjusting the pressure or contact force of the Counteract short stroke device on the molded parts and maintain a position of the molded parts while the mold is being filled with slip.
  • the forces required for this can vary depending on the product to be manufactured.
  • the short-stroke device can in particular be arranged between a spindle nut of the drive device designed as a spindle drive and the mounting arm of the second molded part. In this way, the short-stroke device can be displaced together with the second molded part by activating the drive device.
  • the short-stroke device can be held on its own assembly arm, which can also be mounted displaceably on the rail arrangement along the same displacement direction as the second and the at least one further molded part.
  • the long-stroke device can be an NC-controlled long-stroke device.
  • the drive device can also be assigned a holding device which is designed and intended to fix the long stroke device in a predetermined stroke position.
  • the holding device can act, for example, between the drive device and the frame. If the holding device occurs with the long stroke device, e.g. B. a spindle nut designed as a shaft, in engagement, the long stroke device can no longer be displaced relative to the frame. Passive displacement of the drive device when the short-stroke device is activated can thus be avoided.
  • a projection can be formed on at least one of the molded parts, which, when the molded parts are connected to the mold, engages in a complementary recess that engages at least one other of the molded parts is formed.
  • the projections and recesses, which interact when the mold is joined together, can be designed in such a way that, for example, by being overdimensioned in the direction in which a pressing force of the two mold parts acts on one another, they also have clamping forces in one of the directions Develop pressing force in a different direction, such as orthogonal to the side surfaces of a projection or a recess. It can be advantageous here for the material of the molded parts to be flexible.
  • the molded parts can be designed so that, when the predetermined contact pressure of the molded parts acts on them, the walls of the section of the mold which receive the slip merge smoothly from one molded part into an adjacent molded part, i.e. free from burrs and / or Notches are.
  • the projection and the recess complementary thereto can have mutually interacting contact surfaces. These mutually interacting contact surfaces are preferably designed conically so that joining or interaction of the associated molded parts can be improved.
  • Compressed air connections can also be provided on the molded parts, which make it possible to feed compressed air into a corresponding molded part.
  • compressed air water that is received in the molded part can be driven out of the molded part.
  • water can be expelled in the direction of the blank, so that when the mold is open, removal of the blank from the mold can be facilitated.
  • the device according to the invention can be arranged correspondingly repeatedly.
  • the second molded part from a first predetermined Position are shifted to a second predetermined position in which it comes into contact with the at least one further molded part.
  • the second molded part together with the at least one further molded part can then be moved into a third predetermined position in which the second molded part and / or the at least one further molded part comes into contact with the first molded part.
  • the form thus formed can now be filled with slip and the blank can be formed.
  • the second molded part and the at least one further molded part can then be displaced together from the third predetermined position into the second predetermined position, the coupling device being in its coupling position. After the coupling device has been moved into its release position, the second molded part can be displaced from the second predetermined position into the first predetermined position.
  • steps i) and j) before step h), so that the second molded part is moved first alone and then together with the at least one further molded part.
  • steps e) and f) which can also be carried out before steps c) and d), so that initially a joint and then a decoupled shift takes place.
  • the method can include an initialization step in which the molded parts relative to one another, e.g. B. by hand, positions and actions to be taken at these positions, such as moving the coupling device into the coupling position, are defined.
  • a start can be made with a completely closed mold and this can be saved as a position in which the coupling device has to be in the coupling position.
  • two out of three molded parts can jointly be relocated with each other.
  • only one molded part can be moved into a final position compared to the other molded parts.
  • the corresponding downward sequence can again be entered individually or defined as a reversal of the method steps mentioned above.
  • a robot arm can now be taught using teach-in to remove a blank.
  • the method can further comprise a step k) of removing the blank from the mold.
  • the removal of the blank from the mold can, in particular, take place after the complete opening of the mold, that is to say the displacement of the mold parts into their position furthest away from one another. In particular, the removal can initially take place in a direction opposite to the direction of gravity.
  • the blank can advantageously be removed from the at least one further molded part or one of these, if there are several further molded parts.
  • the mold can be designed so that, after the blank has been formed in the mold, both the second and the at least one further molded part can be displaced relative to the first molded part and that the second molded part can be displaced relative to the at least one further molded part can be relocated without the blank being destroyed or deformed.
  • undercuts to be formed on the product and / or detailed structures which require the provision of a three-part shape can be used in a shaping section of the at least one further molded part corresponding counter-shape be provided.
  • the displacements can all take place along the same axis. Displacing the molded parts along the same axis can make it possible to use common bearings, such as a common guide and / or running rail, and a single common drive device, such as a spindle drive.
  • common bearings such as a common guide and / or running rail
  • a single common drive device such as a spindle drive.
  • the method can also include a step b1) of activating a further coupling device in order to prevent displacement of the at least one further molded part, and between steps e) and f) furthermore comprise a step e1) of deactivating this further coupling device.
  • the at least one further molded part is inadvertently displaced, for example when the second molded part is displaced or when the coupling device is moved into the release position. If the further coupling device is activated, the associated molded part can also be immovable relative to a frame.
  • the method can further comprise step h1) of activating the further coupling device in order to prevent the at least one further molded part from being displaced relative to the remaining molded parts.
  • the removal of the blank can advantageously be carried out fully automatically.
  • a robot can be assigned to the removal of the blank from the mold, which robot is set up to grip the blank and move it out of the mold. For example, the robot can then place the blank on a conveyor belt are placed, over which the blank is subjected to a glazing step and then transported to a kiln.
  • the robot can be provided with an effector which is adapted to remove a special blank or which is suitable for removing a plurality of different blanks.
  • the inventors of the present invention therefore propose to use a diaphragm pump as the slip pump, in which the fluid on the control side is pressed into the diaphragm pump by means of a motor-controlled cylinder (motor-spindle piston).
  • a motor-controlled cylinder motor-spindle piston
  • a device according to the invention for producing a ceramic blank is designated generally by 10.
  • the device 10 comprises a frame 12 on which a drive device 14 is arranged.
  • the drive device 14 is designed here as a spindle drive, which is a spindle driven in rotation by the drive device 14 16 and a spindle nut 18 which is in thread engagement with the spindle 16 and is designed as an elongated shaft.
  • a first molded part 20 is firmly connected to the frame 12 and forms a first part of a shape which gives the blank its shape.
  • a second molded part 28 is connected to the spindle nut 18 and forms a second part of the mold.
  • the second molded part 28 is attached to a first mounting arm 22 which extends mainly upward from the second molded part 28 in a vertical direction (see arrow Z).
  • the first mounting arm 22 is movably supported on a rail arrangement 24 such that it can be displaced back and forth along an axis X, depending on the drive direction by the drive device 14.
  • the first mounting arm 22 comprises a slide 26 which is in engagement with the rail arrangement 24.
  • the device 10 further comprises a further molded part 29, which is arranged on a second mounting arm 30, which also extends mainly in the Z direction upwards.
  • the second mounting arm 30 comprises a further slide 32 which is in engagement with the rail arrangement 24, so that the second mounting arm 30 can also be displaced back and forth along the axis X together with the further molded part 29.
  • a strip 34 extends away from the further slide 32 of the second mounting arm 30 and is firmly connected to the further slide 32 of the second mounting arm 30.
  • the bar 34 is supported in a rollable manner on the slide 26 of the first assembly arm 22 and can be displaced relative to this according to a relative movement of the first assembly arm 22 to the second assembly arm 30.
  • a coupling device 36 is fixedly connected to the slide 26 of the first assembly arm 22 and is set up to engage and disengage from the bar 34, that is to say to be transferable between a coupling position and a release position.
  • the coupling device 36 is designed here as a clamping device which comprises clamping jaws 38 and is designed to press the clamping jaws onto surfaces 40 of the rail 34 that are opposite in each case in a direction Y (with FIG Figure 1 only one of the surfaces 40 is shown).
  • the coupling device 36 If the coupling device 36 is in its closed state, i.e. in its coupling position, activation of the drive device 14 causes a displacement of the second molded part 28 together with the further molded part 29 relative to the first molded part 20 or relative to the frame 12.
  • a force-transmitting bridge is formed between the carriage 26 of the first assembly arm 22 and the further carriage 32 of the second assembly arm 30 via the bar 34, so that the carriage 26 and the further carriage 32 form a common carriage for the second molded part 28 and the further molded part 29 represent.
  • a further coupling device 44 is assigned to the further slide 32 of the second assembly arm 30 or the further molded part 29.
  • the further coupling device 44 can comprise a pneumatically actuated brake which is set up to prevent a displacement of the further slide 32 on the rail arrangement 24.
  • a short-stroke device 46 is arranged, which is set up to press the second 28 and the further molded part 29 against the first molded part 20, so that the three Molded parts 20, 28, 29 to close the mold formed with high force.
  • a holding device 48 is provided between the frame 12 and the spindle nut 18. Upon activation of the holding device 48, the spindle nut 18 is held immovable with respect to the frame 12, so that all the force applied by the short-stroke device 46 only causes a displacement of the second molded part 28 or the second molded part 28 together with the further molded part 29.
  • the short lifting device 46 has, in addition to a third mounting arm 50 running to the rail arrangement 24 and mounted there, which carries the short lifting device 46 designed as a short lifting cylinder, a support 52 running towards an end of the spindle nut 18 opposite the short lifting device 46.
  • the support 52 is attached to this end of the spindle nut 18 in such a way that bending moments acting between the spindle nut 18 and the short stroke device 46, which the short stroke device 46 from the in Figure 1
  • the arrangement shown relative to the spindle nut 18 can be accommodated, but the spindle nut 18 remains rotatable relative to the support 52.
  • the drive device 14 is activated, so that the first assembly arm 22 together with the second molded part 28 is displaced along the axis X towards the first molded part 20.
  • the illustrated position of the second molded part 28 can be a first predetermined Position of the second molded part 28 are viewed.
  • the second molded part 28 is now displaced by the drive device 14 until it comes into contact with the further molded part 29.
  • This position of the second molded part 28 together with the further molded part 29 can be regarded as a second predetermined position.
  • the activation of the drive device 14 is now ended.
  • the coupling device 36 is now closed, for example by a control unit (not shown) assigned to the device 10, so that the coupling device is in its coupling position.
  • the further coupling device 44 is deactivated, so that a displacement of the further molded part 29 is possible.
  • the drive device 14 is now activated again and in the same direction as before, for example also by the control unit, so that the second molded part 28 is shifted together with the further molded part 29 onto the first molded part 20 and out of the second predetermined position.
  • the second molded part 28 and the further molded part 29 are now displaced by the drive device 14 until the second molded part 28 and / or the further molded part 29 come into contact with the first molded part 20.
  • the activation of the drive device 14 is now ended.
  • the short stroke device 46 can be actuated in order to increase the contact pressure of the molded parts 20, 28, 29 against one another.
  • the further coupling device 44 can be activated in order to secure the second molded part 28 and the further molded part 29 relative to the first molded part 20.
  • slip is filled into the mold, which consists of the first mold part 20, the second mold part 28 and the further molded part 29 is formed.
  • the slip then solidifies in the mold to form a blank.
  • the short stroke device has been actuated, it is now deactivated or moved back. If the further coupling device 44 is activated, it is now deactivated.
  • the drive device 14 is activated in a direction opposite to the previous drive direction, so that the second molded part 28 together with the further molded part 29 is displaced away from the first molded part 20, with the blank also being displaced away from the first molded part 20 .
  • the second molded part 28 is displaced by the drive device 14 together with the further molded part 29 and the blank into the second predetermined position. Activation of the drive device 14 is ended in this position.
  • the further coupling device 44 is activated.
  • the coupling device 36 is now controlled in such a way that the coupling device 36 is moved into its release position.
  • the drive device 14 is now activated again and in the same drive direction as last, so that the second molded part 28 is displaced away from the further molded part 29.
  • the blank remains on the further molded part 29.
  • the second molded part 28 is displaced by the drive device 14 into the first predetermined position. Activation of the drive device 14 is ended here.
  • the blank can then be removed from the further molded part 29, for example using a robot arm, and can be subjected to downstream production steps, such as overcasting, glazing and firing.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Dispersion Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Press-Shaping Or Shaping Using Conveyers (AREA)

Claims (7)

  1. Dispositif (10) pour la production d'une ébauche de céramique dans un moule en plusieurs parties, le dispositif comprenant :
    • une première partie de moule (20) du moule,
    • une deuxième partie de moule (28) du moule, qui est déplaçable par rapport à la première partie de moule (20) au moyen d'un dispositif d'entraînement (14),
    • au moins une autre partie de moule (29) du moule, qui est déplaçable à la fois par rapport à la première partie de moule (20) et par rapport à la deuxième partie de moule (28), et
    • un dispositif d'accouplement (36) déplaçable entre une position d'accouplement et une position de libération,
    dans lequel le dispositif d'accouplement (36), dans sa position d'accouplement, relie de manière fixe en fonctionnement ladite au moins une autre partie de moule (29) à la deuxième partie de moule (28), et
    dans lequel le dispositif d'accouplement (36) permet, dans sa position de libération, un déplacement relatif de la deuxième partie de moule (28) et de ladite au moins une autre partie de moule (29), dans lequel il comprend en outre un cadre (12),
    dans lequel un agencement de rails (24) est prévu sur le cadre (12), le long duquel un chariot (26) relié à la deuxième partie de moule (28) et au moins un autre chariot (32) relié à ladite au moins une autre partie de moule (29) sont déplaçables, caractérisé en ce que le dispositif d'accouplement (36) comprend un dispositif de serrage, dont les mâchoires de serrage (38) coopèrent avec une bande (34), le dispositif de serrage étant monté sur un premier (26) des chariots et la bande (34) étant montée sur un deuxième (32) des chariots.
  2. Dispositif (10) selon la revendication 1,
    caractérisé en ce que le déplacement relatif de la première partie de moule (20) et de la deuxième partie de moule (28), le déplacement relatif de ladite au moins une autre partie de moule (29) et de la première partie de moule (20) et le déplacement relatif de ladite au moins une autre partie de moule (29) et de la deuxième partie de moule (28) ont tous lieu le long d'un seul et même axe de déplacement (X).
  3. Dispositif (10) selon la revendication 1 ou 2,
    caractérisé en ce qu'il comprend un autre dispositif d'accouplement (44) qui est réglable entre une position d'accouplement et une position de libération,
    dans lequel l'autre dispositif d'accouplement (44), dans sa position d'accouplement, relie de manière fixe en fonctionnement ladite au moins une autre partie de moule (29) à la première partie de moule (20), et
    dans lequel l'autre dispositif d'accouplement (44), dans sa position de libération, permet un déplacement relatif de la première partie de moule (20) et de ladite au moins une autre partie de moule (29).
  4. Dispositif (10) selon l'une des revendications 1 à 3,
    caractérisé en ce que la première partie de moule (20) est montée au cadre (12) de manière fixe en fonctionnement.
  5. Dispositif (10) selon l'une des revendications 1 à 4,
    caractérisé en ce que la deuxième partie de moule (28) ou/et ladite au moins une autre partie de moule (29) est montée sur le cadre (12) de manière à pouvoir être déplacée par rapport à celui-ci.
  6. Dispositif (10) selon l'une des revendications 1 à 5,
    caractérisé en ce que l'autre dispositif d'accouplement (44) comprend un autre dispositif de serrage, dont les mâchoires de serrage coopèrent avec l'agencement de rails (24).
  7. Dispositif (10) selon l'une des revendications 1 à 6,
    caractérisé en ce que l'agencement de rails (24) est disposé dans le sens vertical (Z) au-dessus des parties de moule (20, 28, 29).
EP19176687.2A 2018-06-01 2019-05-27 Machine de moulage en plusieurs pièces Active EP3584049B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102018208674.5A DE102018208674A1 (de) 2018-06-01 2018-06-01 Mehrteilige Formmaschine

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EP3584049A2 EP3584049A2 (fr) 2019-12-25
EP3584049A3 EP3584049A3 (fr) 2020-04-08
EP3584049B1 true EP3584049B1 (fr) 2021-02-24

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EP3584049A3 (fr) 2020-04-08
DE102018208674A1 (de) 2019-12-05

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