• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    Device for detecting soiling of a molding tool (2) used in molding cycles for producing a plastic component, comprising - at least one measuring device (3) for detecting physical properties of the molding tool (2) and / or a surface (25) altered by the contamination after a molding cycle ) of the molding tool (2) and - an evaluation unit (4) connected to the at least one measuring device (3), which is designed to transmit measured values of the at least one measuring device (3) and / or contamination data created from the measured values via an interface (5). issue.
    公开号:AT518583A1
    申请号:T50355/2016
    申请日:2016-04-21
    公开日:2017-11-15
    发明作者:Hartung Gregor；Dipl Ing Sebastian (Fh) Picheta；Dipl Ing Dr Reith Lorenz
    申请人:Engel Austria Gmbh；
    IPC主号:
    专利说明:

    The present invention relates to plastic molding methods and molding machines.
    Under shaping machines are injection molding machines, transfer molding, pressing and the like to understand.
    In various molding processes for the production of plastic components, for example in the production of fiber plastic composites by a reactive process, such as resin injection method (RTM), SMC (sheet molding compound) or anionic Lactampolymerisation, it comes to process-related contamination of the tool. This contamination can consist of both plastic and monomer residues, as well as fiber and release agent residues. Particularly increased occur due to the process control and conventional geometric design of
    Shaping tools and sealing concepts on these contaminants in the edge regions of the tool or the cavities; in injection methods (RTM or lactam polymerization), in particular at the end of the flow path.
    Since these contaminations hinder the further production of components and especially soiling of the seal or any dipping edges can strongly negatively influence the flow behavior of the plastic or of the reactive system or even damage the tool, it is necessary to cyclically remove these residues. Depending on the specific process conditions, this cleaning must be done after each molding cycle or after a certain number of molding cycles. Often, this cleaning process is performed by a worker using brushes, spatulas, compressed air, etc. The optical control by the worker is of crucial importance. If you want to operate the process fully automated so you have the problem that the degree of contamination and the adhesion of pollution from molding cycle to molding cycle are not reproducible. Further, from molding cycle to molding cycle, layers of commonly used mold release agents may build up.
    All common, fully automated solutions, such as a rotating brush guided by the robot, can not reliably guarantee that the tool has been cleaned without residue. Also, the degree of adhesion of residues can be so severe that such cleaning methods can no longer completely eliminate the contamination. A feedback on the success of the cleaning is not given according to the current state of the art, which makes a further control of the cleaning state and any manual rework by the worker indispensable. In some cases, residues may only consist of a very thin, transparent layer of plastic that is difficult for the human eye to detect. The danger of such residues being overlooked by the operator is given, which can significantly affect the next molding cycle.
    It is known to manually clean shaping tools for, in particular, molding processes for the production of fiber-reinforced plastic composite components with reactive process control after each molding cycle or periodically. Since such methods were mainly used in the past with only a small number of pieces with an uncritical cycle time, this solution was practicable and economically justifiable. After a purely visual inspection of the tool, the worker must, with the help of various aids such as brushes, spatula, compressed air, etc., clean the tool, especially in the edge or sealing area, due to the process control and tool geometry. Optionally, an additional release agent can be done manually by the worker. The production process stops for the entire duration of the cleaning.
    In order to increase productivity as the number of units increases, semi-automatic or fully automatic process management is becoming more and more important, reducing the cost-intensive use of personnel. The cleaning process can also be carried out automatically in this case. For example, a cleaning device can be guided by a robot. The device itself may consist of a brush system.
    For example, the document DE 10 2013 109858 (A1) describes an apparatus for cleaning a mold for the production of molded parts, which is characterized in that in the cleaning device the cleaning agents, e.g. Brushes are arranged to be movable along a guideway, wherein the guideway corresponds in parts or substantially the tool contour of a mold half. The device must always be created tool-specific.
    The document DE 10 2013 109 859 (A1) essentially describes a transfer system which makes it possible to move a cleaning device with cleaning agents into and out of a shaping machine, for example by a transfer system, in such a way that both the upper and the lower tool halves are cleaned accordingly can.
    Instead of brushing you can also work with compressed air. The document DE 38 37 257 (A1) describes an apparatus for cleaning a molding tool with the aid of blowing nozzles in support of the cleaning process.
    Also known is a variety of off-line cleaning methods that require removal of the forming tool. Examples include cleaning with solid-state or diode lasers, ultrasonic or cleaning baths and various blasting methods, such as sandblasting mentioned.
    Alternatively, tool coatings can be used which prevent deposits and replace the cutting of the tool. The document EP1301286 (B1) describes the application of a permanent polymeric mold release layer by means of plasma polymerization, which should largely replace the separation during the process.
    The relatively complex, manual cleaning, in addition to staff deployment also requires a relatively long downtime because during the cleaning of the production process must be suspended. This is required for high productivity in the
    Production of large quantities unacceptable. The cleaning process must be fully or at least partially automated in order to be able to serve large series.
    Downtimes also occur in all off-line cleaning processes such as cleaning in an ultrasonic bath or cleaning with blasting, since the tool must be removed and not available for the duration of the cleaning. Cyclic cleaning after each molding cycle is not economically feasible with these methods. They are only for basic cleaning in question.
    All device-guided procedures, such as the use of cleaning agents such as brushes, lasers or compressed air have some disadvantages. Since the degree of contamination and its local distribution as well as the degree of adhesion are not reproducible, it can not be ensured that really all contaminations are reliably removed. So some areas of the tool would require a higher cleaning effort, other areas for little or no cleaning. All known devices are not able to differentiate here accordingly, which on the one hand leads to an increased expenditure of time due to the cleaning of actually clean spots and on the other hand brings with it the risk of residual dirt. Also, there is a higher load on the tool, the seal and the sensors installed in the tool through the cleaning process. So it is necessary a worker who checks the cleaning result after the cleaning cycle and optionally reworked. Especially with very thin, transparent plastic residues such as in the resin injection process often to observe sealing edges, there is a risk that they are not detected by the human eye and remain in the tool.
    Although the use of special tool coatings temporarily prevents the adhesion of residues, loose residues can still remain in the mold and require a separate cleaning process. Furthermore, the provision of a tool of such a coating is complex, costly and possible only with special equipment. For coatings, there is always the risk that these are not permanent, a periodic renewal must therefore also often be carried out externally which in turn brings the need to expand the tool and send it externally.
    All known, automated methods have the disadvantage that it always comes only to a more or less general cleaning, which can ensure process reliability.
    The object of the invention is therefore to provide an apparatus and a method for cleaning the mold, which offer a higher process reliability and still allow automation.
    This object is achieved by a device for the detection of soiling according to the features of claim 1 and a method for the detection of soiling according to the features of claim 12.
    With respect to the device, this is done by at least one measuring device for detecting physical properties of the molding tool and / or a surface of the molding tool which are changed by the contamination after a molding cycle and an evaluation unit connected to the at least one measuring device, which is designed to generate measured values of the at least output a measuring device and / or contamination data created from the measured values via an interface.
    With respect to the method, this is achieved by:
    Contaminations are detected after a shaping cycle by means of at least one measuring device for detecting the physical properties of the molding tool and / or a surface of the molding tool that are changed by the contamination
    Measured values of the at least one measuring device and / or pollution data created from the measured values are output.
    The invention thus describes a method for the detection of impurities on the surface of shaping tools, in particular usable in the production of fiber-reinforced plastic composite components. The detection of the impurities may be based on contact or distance-dependent electrical or electromagnetic methods such as resistance measurement, eddy current measurement or inductive measurement. In combination with a cleaning agent, the process can be extended to a device that enables efficient and reliable tool cleaning.
    The detection of the contamination may preferably be resistive (resistance or passage measurement), inductive or by means of an eddy current measurement.
    The altered physical properties may be those physical properties that have a direct impact on the molding process, such as a thickness of a soil layer that would affect the shape of the plastic components produced. But it can also be a physical property that is normally independent of the forming process, such as electromagnetic properties.
    For the detection of contamination, a reference measurement can be used for comparison, which was recorded with an unpolluted mold.
    A movement device may be provided which is designed to move and arrange the at least one measuring device after a shaping cycle in such a way that a potentially soiled area of the molding tool can be detected by the at least one measuring device. In particular, the device can be moved between the two mold halves. This makes it possible to bring the at least one measuring device closer to the potentially soiled areas, which in some cases can increase the accuracy of the measurement.
    A movement along a previously defined trajectory can also take place in order to be able to detect a plurality of regions of the molding tool.
    However, a movement of the at least one measuring device can also be done manually.
    The movement device can be designed, for example, as a handling robot.
    The at least one measuring device can be designed to carry out an inductive, resistive, magnetic and / or capacitive detection method.
    The at least one measuring device can have a sliding contact, a magnet, a measuring coil and / or a Hall sensor. In particular, sliding contacts can be sprung mounted to adapt to the surface of the mold.
    At least two measuring devices may be provided, which are designed to detect contamination at different points of the forming tool. As a result, not only can it be determined that there is contamination, but it can also be determined which region of the molding tool is dirty.
    For this purpose, the at least two measuring devices can be arranged substantially in a line or a surface and be stored together in this way. The (imaginary) line or the surface (can also be referred to as "array"), on which the at least two measuring devices are arranged, can thereby be curved, in particular in order to achieve an adaptation to the contour of the molding tool.
    The at least two measuring devices mounted in common therewith can be guided or moved over the molding tool for the purpose of detecting soiling via predefined trajectories. About the time at which a contamination is detected, then a spatial information about the pollution can be generated and passed through the interface.
    In the device according to the invention a cleaning device can be integrated, which is designed to clean the molding tool, and the device can be designed to output the measured values and / or the contamination data to the cleaning device via the interface. The cleaning device can then perform automated cleaning, for example, exactly at the polluted areas.
    However, it is also possible to carry out at least one cleaning of the mold before or during the detection of the physical properties of the mold changed by the soiling. For example, a detection performed after the cleaning may serve to check the cleaning. For example, if certain areas of the mold are cleaned independently of the detection, a simultaneous cleaning with the detection may also be advantageous in order to check whether other areas are also to be cleaned.
    Of course, the cleaning of the entire mold may be provided.
    The cleaning device may have cleaning agents such as lasers, brushes, spatulas, compressed air, and the like.
    The apparatus may also have an applicator device adapted to apply a release agent to the mold to facilitate demolding and to prevent the formation of soils. This can also be done simultaneously with the cleaning or the detection. This offers the advantage that particularly often or stubbornly soiled areas can be individually treated with the release agent.
    In addition, a suction device can be provided which can suck off excess release agent and / or aerosols, particles and the like obtained during the cleaning.
    The interface may include a visualization device - in particular a screen - by means of which the detected contamination can be visualized for a human. The visualization can be done on a machine control of the molding machine or separately.
    In a preferred embodiment, the determined measured values can be compared with reference measured values on the forming tool in a cleaned state. This reference measurement can take place once, but also cyclically before each shaping cycle.
    A combination of one of these embodiments with a downstream automatic or manual cleaning process may be particularly preferred.
    Protection is also desired for a molding machine having a device according to the invention and a plastic molding process, wherein plastic parts are produced in molding cycles, preferably by means of a reactive molding process, and a process according to the invention is carried out.
    Further advantages and details of the invention will become apparent from the figures and the associated description of the figures. Showing:
    1 and 2 representations for illustrating a method according to the invention and an embodiment of a device according to the invention,
    3 to 7 representations of further embodiments of a device according to the invention,
    Fig. 8 is an illustration of a shaping machine according to the invention and
    9 is an illustration of another embodiment of the invention.
    A possible method for the detection of soiling, in particular advantageous for the determination of electrically insulating contaminants on tools made of an electrically conductive material, works on the basis of a resistive measurement. In the resistive measurement according to FIGS. 1 and 2, the electrically insulating property of the contaminants 28 (in particular plastic contaminants) is utilized.
    For this purpose, a plurality of sliding contacts 7 (numbered as Si to Sn) are attached to a support 21 of the device 1, which form measuring devices 3 (left representations of FIGS. 1 and 2). These sliding contacts 7 are in contact with the surface 25 of the molding tool 2. In the right-hand illustrations of FIGS. 1 and 2, the electrical connection of the sliding contacts 7 in the evaluation unit 4 is shown. Via the voltage source 26, the source voltage Uq is applied between the contacts Si and S2 to Sn. In decision block 27, the contacts S2 through Sn are ANDed, producing the output signal at the interface 5.
    As long as all the sliding contacts 7 are in conductive contact with the metallic surface 25 of the molding tool 2, they also provide an electrical signal (in FIG. 1 without soiling "1"). If one of the sliding contacts 7 is routed via a contamination 28 according to FIG. 2, its insulating property results in the interruption of the electrical signal which is detected (with contamination: "0"). So there is the information that a contamination 28 of the mold 2 is present.
    It should be noted that the sprung mounting of the sliding contacts 7 in each case by means of a spring 22 ensures that the device 1 according to the invention does not get stuck on dirt 28 or is even damaged. Furthermore, it is achieved by the sprung mounting that the sliding contacts 7 of the surface 25 of the mold 2 to adjust.
    The sliding contacts 7 can also be evaluated individually. In this way, pollution 28 can be identified locally, i. be detected spatially resolved. Any number of such contacts Si to Sn can be arranged.
    In an advantageous embodiment, the sliding contacts 7 can be arranged in a line and guided by an exemplary device according to FIG. 3, for example by a robot via the molding tool 2.
    Fig. 3 shows an embodiment of the invention in which a cleaning device 8 is integrated. The cleaning device 8 has an example of a brush 31 as a cleaning agent.
    The sliding contact 7 is also intrinsically resilient designed as a leaf spring.
    Another embodiment of the contamination detection is based on a magnetic-inductive measuring principle according to FIG. This is particularly advantageous when the mold 2 consists of a ferromagnetic material. In the inductive measurement, a magnetic field is generated by means of a resonant circuit 35 (oscillator) by applying a voltage. The resonant circuit 35 is shown purely schematically in FIG.
    By means of a ferrite core in the coil, this magnetic field is directed in the desired direction, ie in the direction of the surface 25 of the molding tool 2. If an actuating object passes the sensor, energy is withdrawn from the oscillator and the oscillator voltage drops. If the sensor is passed over a contamination 28, results in a different oscillator voltage, as when the sensor is passed over the clean surface 25. With the aid of a comparator 36, this voltage change can be detected and set a corresponding output stage relative to a definable switching threshold, whereby the
    Pollution 28 is detected and a corresponding signal is output via the interface 5.
    Another embodiment of the invention illustrated in FIG. 5 is based on a magnetic measuring method. This is particularly advantageous if the mold 2 used, on which soils 28 are to be detected, consists of a magnetic material, in particular a ferromagnetic material. In this case, the measured variable is the required pull-off force of a magnet 37 (permanent magnet or electromagnet) which is removed or removed from the surface 25 of the molding tool 2 or the overlying dirt 28. The adhesive or required withdrawal force is dependent on the material of the tool body and on the thickness of the soil layer. The dependence on the tool base can be eliminated by a reference measurement of the non-contaminated mold 2. Contamination of the mold 2 thus manifests itself by a lower withdrawal force.
    Another embodiment of the invention illustrated in FIG. 6 is based on an eddy current method. This is particularly advantageous when the mold 2 consists of a metallic, but not magnetizable material. The following explains the basic principle:
    By applying an alternating current, a magnetic alternating field is generated in a measuring coil 38 and thus induces eddy currents in the tool material. This in turn leads to the modulation of the magnetic field of the coil and to a reduction of the inductance. The influencing measured variable is the change of the inductive resistance of the measuring coil 38 by the layer thickness of the contamination 28. For use as a detection method, this can be detected, for example, by arranging the measuring coil 38 in a resonant circuit 35.
    Also in this embodiment is given a, albeit constant, dependence on the tool material, which can be eliminated, for example, with a reference measurement. This reference measurement can take place once, but also cyclically before each shaping cycle.
    FIG. 7 shows an embodiment with a flat sensor 39 for measuring a component of a magnetic field at the location of the flat probe 39. Because contamination 28 also change the already existing magnetic field, whereby the contaminants 28 can be detected. Thus, no additional magnetic field is generated as in the embodiments according to FIGS. 4 to 6. The magnetic field present in the case of non-contaminated molding tool 2 can be determined by a reference measurement, as in the previous embodiments.
    In a particularly preferred embodiment, detection methods described above can be implemented in such a way by the respective measuring devices (sliding contacts, magnets, measuring coils, edge sensors, ...) are arranged over a large area on a die or an array which plate-shaped, or even parts of , or the entire topology of the tool is modeled. With a Flandhabungsgerät as a moving device can be automated with this die off the top and / or bottom of the mold.
    In particular, when replicating the tool topology by the array, this embodiment has the advantage that the detection of contamination can be done very quickly.
    In an alternative embodiment, the detection methods can be used in such a way that the described measuring means are guided by means of a movement device 6 over one or both mold halves or parts thereof. This can be done, for example, at the edge of a previously programmed trajectory. As shown in FIG. 5, the movement device can be designed as a flanding device or flanging device.
    5 shows a shaping machine 11 with a device 1 according to the invention. The interface 5 can produce a connection with a machine control of the shaping machine 11.
    The result of the detection can be evaluated using the machine control and visualized as needed. In such an embodiment, the operator may be informed by the machine controller of the molding machine of the local or total cleaning or soiling condition of the mold 2.
    Of course, a visualization can be provided separately from the machine control.
    The inventive method can be carried out in combination with an upstream and / or downstream mold cleaning with one or more cleaning agents, for example one or more lasers, brushes, spatulas or compressed air. Detection and cleaning process can be implemented together in a device 1, but also in separate devices.
    The local application of mold release agents (release agents) or cleaners, before, during or after cleaning may also be provided. Particularly preferred in this case is an application of the corresponding release agent on a cleaning brush 31 according to FIG. 5 and FIG. 6 and thus a combination of cleaning process and release agent application. For the orders of the release agent, an application device 9 is provided, which has a nozzle 44 fed from a reservoir 44. As can be seen from FIG. 6, the release agent is sprayed onto the brush 31 through the nozzle 43 and applied to the surface 25 of the molding tool 2 by the brush 31.
    For refilling the storage container 44, the application device has a separating agent supply 45, which can be fed, for example, via a tank 42 and a line 41 (see FIG. 5).
    In addition, a suction device 46 may be provided which can suck off excess release agent and / or aerosols, particles and the like obtained during the cleaning.
    With the information obtained from the contamination detection, it is possible to partially clean only the soiled areas with the required intensity and then to verify the result fully automatically. Not only the cycle time is shortened significantly, also the surface 25 of the mold 2, seals and tool integrated sensors are spared. If a contamination 28 can not be removed, a warning signal can be output and the machine sequence can be interrupted. Thus, the degree of process security can be achieved that requires a fully automated process.
    If the cleaning is not fully automated, but carried out by a worker, so the visualization of pollution can serve as an orientation to detect the dirt, especially dirt 28 in the form of hard to detect the human eye residues, making manual cleaning can be done more efficiently and faster ,
    Furthermore, it can be provided that both the at least one measuring device 3 used for contamination detection and the cleaning agent used for cleaning the tool are formed on a transfer head and thus the detection and cleaning process can take place directly one after the other or at the same time. This can be realized in such a way that the detection method is used downstream in order to check the success of the cleaning step. It is also conceivable to use the measuring means before cleaning, so that in this case there is also the option to clean only those areas where dirt has previously been detected.
    权利要求:
    Claims (16)
    [1]
    claims:
    1. A device for detecting contamination of a mold used in forming cycles (2) for Fierstellung a plastic component, with - at least one measuring device (3) for detecting by the pollution after a molding cycle changed physical properties of the mold (2) and / or a surface (25) of the molding tool (2) and - an evaluation unit (4) connected to the at least one measuring device (3), which is designed to transmit measured values of the at least one measuring device (3) and / or contamination data created from the measured values via an interface ( 5) spend.
    [2]
    2. Apparatus according to claim 1, characterized by a movement device (6) which is adapted to move the at least one measuring device (3) after a shaping cycle and to arrange that a potentially soiled area of the mold (2) from at least one measuring device (3) is detectable.
    [3]
    3. Apparatus according to claim 1 or 2, characterized in that the at least one measuring device (3) is designed for carrying out an inductive, resistive, magnetic and / or capacitive detection method.
    [4]
    4. Device according to one of claims 1 to 3, characterized in that the at least one measuring device (3) via a sliding contact (7), a magnet (37), a measuring coil (38) and / or a flow sensor (39) features.
    [5]
    5. Apparatus according to claim 4, characterized in that the sliding contact (7) is spring-mounted.
    [6]
    6. Device according to one of claims 1 to 5, characterized in that at least two measuring devices (3) are provided, which are adapted to detect dirt at different points of the forming tool (2).
    [7]
    7. The device according to claim 6, characterized in that the at least two measuring devices (3) are arranged substantially in a line or a surface.
    [8]
    8. Device according to one of claims 1 to 7, characterized in that a cleaning device (8) is provided which is adapted to clean the mold (2), and that the device is adapted to the measured values and / or the Pollution data via the interface (5) to the cleaning device (8) output.
    [9]
    9. Device according to one of claims 1 to 8, characterized in that the device has an application device (9) which is adapted to apply a release agent to the mold (2).
    [10]
    10. Device according to one of claims 1 to 9, characterized in that the interface (5) comprises a visualization device - in particular a screen - by means of which the detected pollution is visualizable for a human.
    [11]
    11. Forming machine with a device according to one of claims 1 to 10.
    [12]
    12. A method for the detection of contamination of a mold used in molding cycles (2) for producing a plastic component, wherein - contamination after a molding cycle by means of at least one measuring device (3) for the detection of contamination by the changed physical properties of the mold (2) and / or a surface (25) of the molding tool (2) are detected and - measured values of the at least one measuring device and / or contamination data created from the measured values are output.
    [13]
    13. The method according to claim 12, characterized in that the at least one measuring device (3) after the shaping cycle is moved and arranged so that a potentially soiled area of the mold (2) from at least one measuring device (3) can be detected.
    [14]
    14. The method according to claim 12 or 13, characterized in that contaminated areas of the mold (2) - preferably automated - to be cleaned.
    [15]
    15. The method according to any one of claims 12 to 14, characterized in that at least one cleaning of the mold (2) is performed, wherein the at least one cleaning before, during and / or after the detection of the changed by the pollution physical properties of the mold ( 2).
    [16]
    16 plastic molding process, wherein in molding cycles plastic components - preferably by means of a reactive molding process - are prepared, characterized in that after a molding cycle, a method according to any one of claims 12 to 15 is performed.
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    同族专利:
    公开号 | 公开日
    DE102017003661A1|2017-10-26|
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    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    JPS6377713A|1986-09-19|1988-04-07|Fujitsu Ltd|Mold for sealing electronic component|
    JP2590188B2|1988-03-09|1997-03-12|住友電気工業株式会社|Molding equipment for mold material containing release agent|
    JP3057951B2|1993-03-04|2000-07-04|日産自動車株式会社|Measuring device for the amount of dust attached|
    EP1312454A2|2001-11-16|2003-05-21|Towa Corporation|Apparatus and method for evaluating degree of adhesion of adherents to mold surface, apparatus and method for surface treatment of mold surface and method and apparatus for cleaning mold used for molding resin|
    DE3837257A1|1988-11-03|1990-05-10|Krupp Gmbh|DEVICE FOR CLEANING A MOLDING TOOL OF PLASTIC PROCESSING MACHINES|
    DE10034737C2|2000-07-17|2002-07-11|Fraunhofer Ges Forschung|Process for producing a permanent release layer by plasma polymerization on the surface of a molding tool, a molding tool which can be produced by the process and its use|
    DE102013109859A1|2013-09-09|2015-03-12|Dieffenbacher GmbH Maschinen- und Anlagenbau|Method and molding press for cleaning a tool in the course of the production of molded parts|
    DE102013109858A1|2013-09-09|2015-03-12|Dieffenbacher GmbH Maschinen- und Anlagenbau|Method and device for cleaning a tool in the course of the production of molded parts|CN109940829A|2017-12-21|2019-06-28|重庆科美模具有限公司|Injection mold|
    DE102018212617A1|2018-07-27|2020-01-30|Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.|Process and production plant for processing a material|
    DE102018129006B3|2018-11-19|2019-11-21|Volkswagen Aktiengesellschaft|Process for the detection of impurities|
    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    ATA50355/2016A|AT518583B1|2016-04-21|2016-04-21|Plastic molding process and molding machine|ATA50355/2016A| AT518583B1|2016-04-21|2016-04-21|Plastic molding process and molding machine|
    DE102017003661.6A| DE102017003661A1|2016-04-21|2017-04-13|Plastic molding process and molding machine|
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