• 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:
    TIGHTENING DEVICE AND TOOL MACHINE Clamping device (1) for a machine tool (2) for machining with chip removal of at least one dental piece (3), the clamping device (1) having at least one support of part (4) for the support of the dental part (3) during machining, and in the part holder (4) is arranged, preferably fixed, at least one tool holder (5) to load at least one, preferably several, chip removal tool (6) for machining with chip removal of the dental part (3), and the part holder (4) and the tool holder (5) together are fixed or can be fixed as an interchangeable construction element by means of of a clamping device (7) in a non-destructive demountable manner, manually, in a holder of the clamping device (1).
    公开号:BR112014000859B1
    申请号:R112014000859-0
    申请日:2012-06-19
    公开日:2020-12-08
    发明作者:Timo Koch
    申请人:Amann Girrbach Ag；
    IPC主号:
    专利说明:

    Field of invention
    [001] The present invention relates to a clamping device for a machine tool for machining with chip removal of at least one dental part, the clamping device having at least one piece holder for receiving the dental piece during machining. Background of the invention
    [002] Generally, clamping devices are known from the state of the art in different embodiments. WO 2009/100863 Direct current measurement arrangement 6 shows, for example, a clamping device in which two annals are arranged in relation to each other in a tilting manner, with a shaped workpiece holder on the inner ring. plate and the dental part to be machined is supported in its complete perimeter in a through opening of the workpiece holder.
    [003] The different dental parts to be machined in the current state of the art consist of different materials. This is a first reason why a machine tool, for machining with chip removal of such dental parts, needs not only one tool, but as a general rule several tools. A second reason for the need to use different tools is also the different dimensions and accuracy with which you can work with the respective tool. In order to be able to operate the machine tool with different tools for machining with chip removal from the centerpiece, WO 2009/100863 proposes, in figure 4, to equip the machine tool with several operable tool carrier heads and supporting a workpiece respectively. This is however very expensive. Summary of the invention
    [004] Therefore, the objective of the invention is to provide a proposal for an alternative solution, of how different tools can be made available quickly and simply.
    [005] According to the invention, this is solved by means of a clamping device of the type mentioned above, in which it is provided that in the workpiece support, preferably fixed, at least one tool holder to support at least one, preferably several chip removal tools for machining with chip removal of the dental part and the tool holder and tool holder, together as a single interchangeable component, are attached to a clamping device holder by means of a clamping device, preferably tool-less, non-destructively removable.
    [006] In other words, in this way, it has as a fundamental idea of the invention, to integrate the tool holder and the tool holder into a common constructive component, which can then be interchangeably attached to the holder of the clamping device and it can also be exchanged for another constructive element, preferably with tool holder and tool holder. This fundamental idea of the invention is also based on the consideration that, in general, certain types of tool supports are provided for parts of certain materials, which have to be machined with a certain set of tools. This set of tools can be supported, in the invention, in the tool holder, which together with the tool holder forms a single constructive component. This has the consequence that, in the machine tool, the right tool set is already available in the assembly of a specific tool holder in the holder of the clamping device. In this sense, it is particularly advantageous when the clamping device can be used and / or reached by the end user of the clamping device, without the clamping device or the entire machine tool having to be disassembled or decomposed.
    [007] For the fixing device, preferably non-destructively removable without a tool, it may be, for example, a shock connection and / or a fast tensioning system. Other examples of suitable fastening devices are correspondingly locking systems, bayonet connections, or the like. The concept without a tool means, in this sense, that the operation of the fixing device for disassembly and the connection between the constructive component with the tool holder and the tool holder of the carrier or with the carrier, preferably, is directly possible , manually without the aid of additional auxiliary means such as screwdrivers or screwdrivers. In the sense of the invention, however, it is also possible to envisage the operation of the clamping device by means of a tool. The concept of non-destructive disassembly is based on the fact that the fixing device is made for multiple disassemblies and subsequent connections. Fixing and disassembly can also be carried out, practically at any frequency, without this leading to a destruction of the fixing device or other construction elements.
    [008] Advantages of the invention are that, according to the respective need, the tools supported in the tool holder and the workpiece holder are made available, and in this way it is also guaranteed that both the workpiece holder with the workpiece as well as the tools can be arranged in a defined position and known exactly by the machine tool. This allows both the correct positioning of the dental parts to be machined on the clamping device and thus also on the machine tool, as well as the possibility of taking the parts to the machine tool and, in particular, its tool support head to an accessible position.
    [009] Mainly it should be noted that clamping devices according to the invention and also machine tools for machining with chip removal of different dental parts can be used. It can be pre-made or pre-products such as ceramic blocks, metal or zirconia. As dental parts, semi-finished products can also be processed, such as partially processed dentures, part of dentures or similar. It can also be treated in the case of dental pieces of supports or auxiliary scaffolding, which are necessary in the production of dental prostheses or parts of prostheses.
    [010] The concept of machining with chip removal is known. Mainly, these are milling or drilling processes. However, other processes with chip removal can also be performed with corresponding tools.
    [011] The workpiece support is the constructive element that is provided to receive the dental part to be machined. The dental part can be fixed or supported directly or indirectly, for example, by interposing a frame on the part holder. Preferred embodiments of the invention provide that the workpiece holder is supported together with the tool holder, preferably in a motive, rotational manner, around a first axis in the carrier. As a carrier it can be envisaged that it is a rotationally supported, preferably motive, support arm around a preferably second axis other than the first axis. Aiming at good accessibility to the dental piece to be worked, it is advantageously foreseen that the piece holder and the tool holder are supported together, laterally, on the carrier arm.
    [012] In the case of the tool holder, it is advantageously a type of tool storage that is not necessary during the current machining process. Tools can be, essentially, all the tools suitable for machining with chip removal of dental parts. Mainly, these are milling or drilling heads. For tool retention, tool holders are not currently needed, advantageously one or more tool receptacles. These are predefined or predetermined tool holder locations, where certain tools can be placed of defined type and mode.
    [013] It is advantageous when the chip removal tool in a tool holder tool holder or the chip removal tool in tool receptors, is maintained / received or is held / received, in a detachable manner, preferably magnetically or through a shock connection. Alternatives to the magnet and the shock connection are also other types, by shape or by friction, of fixing the tools in the tool holders of the tool holder. The type of fastening must, on the one hand, keep the tool correspondingly firm in the tool holder, and on the other hand, it should also not make it difficult to remove a tool from the tool holder via the tool holder head of the tool machine.
    [014] In contrast to the tool holder, which supports tools not necessary for the current machining process, this is the case of the tool support head of the constructive element of a machine tool, which receives, operates and positions the tool for chip removal during machining with chip removal. The tool holder head can be advantageously moved in at least one, better two, particularly preferable in three spatial directions, so that it can move with the tool to different locations of the dental workpiece supported on the tool holder part of the clamping device.
    [015] In order for the tool holder head to be able to automatically carry out the removal, placing a tool back or changing the tool, it is advantageous when the tool holder has one or more tool receptacles for receiving a tool respectively. chip removal and the clamping device has a recognition device for checking whether a chip removal tool is present and / or which chip removal tool is present in the receiver or in the respective tool receivers. The recognition device can also, depending on the embodiment, recognize whether or not there is a tool in the corresponding position or in the corresponding tool holder of the tool holder. Particularly preferable embodiments can also recognize which type of tool is in the corresponding position or in the corresponding tool holder of the tool holder. The function modes of appropriate recognition devices are known in the art. It can be, for example, reading devices for encodings that can be read electrical, electromagnetic, magnetic, mechanically or optically, which are advantageously arranged in each tool to individualize them. reading for transponder, RFID, barcode, microchip and similar.
    [016] In addition to the clamping device, the invention also relates to the machine tool for processing with chip removal of at least one dental piece with at least one clamping device according to the invention. In such a machine tool, it is advantageously provided that it has a housing with a hollow processing space that can preferably be completely closed during machining with chip removal from the dental part, with the device (s) ) of fixation, preferably being able to be served and / or accessed by the end user of the clamping device, is arranged or are arranged in the hollow processing space. In addition, it is advantageously provided that the machining device additionally includes the clamping device also at least one tool support head, which receives and operates at least one of the chip removal tools for machining with chip removal from the workpiece, being that the tool holder head, for tool change, can deliver a chip removal tool to the tool holder and remove another chip removal tool. Furthermore, it is advantageously provided that the machine tool is a computer controlled machine tool. The rotation of the tool holder around the first axis and the rotation of the carrier arm around the second axis and, as the case may be, also the movement of the tool holder head and / or the workpiece can be performed, in these embodiments , advantageously controlled by computer. A corresponding control computer can be integrated into the machine tool or can be connected to the machine tool to control the machine tool. Brief description of the figures
    [017] Other characteristics and particularities of preferred embodiments of the invention are explained in the detailed description that follows based on different figures of an embodiment according to the invention of a machine tool with a corresponding clamping device. In the figures:
    [018] Figure 1 is a perspective view of a machine tool according to the invention for processing with chip removal of at least one dental piece with a respective clamping device according to the invention;
    [019] Figure 2 is a second perspective view of this machine tool;
    [020] Figure 3 is a view similar to figure 2, with the constructive element formed by the workpiece holder and the tool holder being disassembled from the holder of the clamping device;
    [021] Figure 4 shows the clamping device, according to the present invention, of this machine tool together with the tool support head of this machine tool, omitting the other constructive elements of the machine tool and
    [022] Figure 5 shows a view of the clamping device according to the present invention, the constructive element forming the tool holder and the tool holder is released from the carrier arm;
    [023] Figure 6 shows the clamping device is attached to another construction element consisting of the workpiece holder and tool holder by means of a non-destructively removable clamping device;
    [024] Figure 7 shows the machine tool with a suction cup for dry processing;
    [025] Figure 8 shows the suction cup of figure 7 in enlarged representation; and
    [026] Figure 9 shows the machine tool of the embodiment with a suction hose for cleaning particularly the hollow processing space before and / or after machining with chip removal from the dental part. Detailed description of the invention
    [027] The machine tool 2 shown in the figures has a housing 13 with the hollow processing space 14 arranged therein. In the hollow processing space 14, the dental piece 3 to be worked during machining with chip removal is arranged. It is supported, by means of the clamping device 1, during machining with chip removal in the hollow processing space 14 and can be positioned, by means of the clamping device 1, also for machining in defined positions in relation to the support head tool 15 or the chip removal tool 6 arranged therein for the respective machining step. The dental piece 3 to be worked with chip removal, not shown in figure 1, is arranged immediately or indirectly, for example, by means of an intermediate connection of a structure surrounding the dental piece, in the piece holder 4. According to the present invention, the workpiece support 4 or the tool holder 5 together form a construction element, which is fixed or can be fixed, by means of the fixing device 7 preferably non-destructively removable by hand, to a holder of the clamping device 1. In the example shown, this is the case of the holder of the clamping device 1 of the holding arm 8. In this case, the construction element formed by the workpiece holder 4 and the tool holder 5, is rotationally supported, preferably in a drive, around a first axis 9. The carrier made here as a carrier arm 8 is rotationally supported, preferably driving around a second axis 10. Figure 4 allows visualization air with the omission of other constructive elements of the machine tool 2 the possible directions of movement and thus the degrees of freedom of the clamping device 1 and the tool support head 15. Thus, the carrier or carrier arm 8 is preferably exclusively , rotational about axis 10. The double curved arrow allows to signal both opposite directions of rotation of the carrier arm 8. The angle of rotation can be 360o or more. It is also possible to limit this angle of rotation around the second axis 10 to a smaller angular range. Advantageously, rotation about axis 10 is the only possibility of movement of the carrier arm 8. The piece holder 4 shown in figure 4 carrying a dental piece 3 blank shape is supported rotationally about the first axis 9 in the arm carrier 8. The double arrow again shows both opposite directions of rotation around the axis 9. By forming a single support piece of workpiece 4 and tool holder 5 as a common construction element, the tool holder 5 and the tool holder part 4 are rotated together about axis 9. In figure 4, two tool receivers 11 are shown, also locations for arranging a tool 6 in the tool holder 5 and three tool receivers 11 occupied by tools 6 of the tool holder 5. The tools 6 preferably made as milling or drilling heads can then be selected in such a way that exactly those tools 6 are needed for processing dental part 3 attached to the part holder 4. One of the tools 6 is mounted on the tool holder head 15 for the machining process currently taking place. Tool change 6 takes place automatically, with tool holder head 5 seeking the corresponding tool 6 from tool holder 5. Tool holder 5 can be rotated together with workpiece holder 4 to a position, so that the tool 6 momentarily needed can be removed from the tool holder head 15. For the delivery of a tool 6 no longer needed to the corresponding tool receiver 11 of the tool holder 5, the corresponding one is valid. The removal and delivery and thus also the exchange of the tools 6 in the tool holder head 15 is preferably carried out in a completely automated manner. In order for the control of the machine tool or clamping device 1 to recognize whether a tool 6 and / or which tool 6 is arranged in the respective tool receiver 11, the recognition device 12. already mentioned at the beginning, can, as in the beginning already explained, work to recognize the existence and / or type of the respective tool 6 in a tool receiver 11.
    [028] In figure 4 it is also shown that, as provided for preference, the tool support head 15, in this embodiment example, can be moved in three directions orthogonal to each other, 19, 20 and 21. The respective arrows show the possible directions of movement, forward, backward, lateral, above and below. With the total of five axes of movement represented in figure 4, it is possible to machine dental piece 3 at each and any location under the desired angle. In the sense of good accessibility to the part 6 attached to the part holder 4, it is advantageous when the part holder 4 is supported rotationally about the axis 9, preferably laterally, on the holding arm 8 of the clamping device 1 and the holding arm 8 is supported around the axis 10. The respective rotational movements around the respective axes 9 and 10 can thus be the only possibilities for rotating movement of the carrier arm 8 and the piece support 4. It can be provided that the rotational support of the support part 4, preferably lateral, on the support arm 8, is the only load fixation of the part support 4. In other words, it can be provided that the part support 4 is supported on the support arm 8 exclusively on one side and / or only through a single connection. It is advantageous in this sense, when the carrier arm 8 is formed in an L shape, folded and / or unwound, as performed here. The workpiece support 4 can, as carried out in this embodiment example, be supported rotationally about the first axis 9 at a first end of the carrying arm 8, in this preferably laterally. The carrier arm 8 can furthermore be supported at a second end of the carrier arm 8 rotational about the second axis 10, for example, in the housing 13 of the machine tool 2. As performed here, the first axis 9 and / or the second axis can 10 or their imaginable extensions pass through the part receiving region of the part holder 4, which is provided to receive the dental part 3.
    [029] Returning to figures 1 to 3, it can be seen that the hollow processing space 14, in which both the clamping device 1 and the tool support head 15 are advantageously arranged in order to move during the machining of the dental piece 3 to be worked, can be advantageously closed. It can be a hermetic seal of powder and / or liquid. For this possibility of closing, in the example shown, the folding closing lid 16 is provided. The necessary sealing can be achieved by means of sealing rings, or the like, known in the prior art. In addition, it is observed that the movement of the clamping device 1 and the tool support head 15 is advantageously carried out by motor or motor drive. The control takes place advantageously by means of a computer. As explained initially, in the case of machine tool 2, it is advantageously a machine tool 2 controlled by a computer.
    [030] In figures 1 and 2, the common construction element is fixed, which comprises both the workpiece holder 4 and the tool holder 5, by means of a fixing device 7 on the holding arm 8. This is the operating position , in which this common element can be rotated around axis 9 and together with the holding arm 8 around axis 10. If another part must now be machined, then the part holder 4 and the tool holder 5 are replaced together by by means of the removal of the fixing device 7, preferably manually dismountable in a non-destructive way, from the support arm 8 and replaced by another unit, for example, consisting of another support piece 4 with the corresponding tool holder 5 and the corresponding tools 6 arranged in it. Figures 3 and 5 show once again the construction element consisting of part support 4 and tool holder 5 disassembled from the support arm 8. In the example shown, as can be seen particularly in Figures 3 and 5, the fixing device 7 which can be disassembled in a non-destructive manner is formed by means of a pin 22 rotational about the axis 9 on the carrier arm 8 and a pin housing 25 adapted to this in the common construction element of the workpiece holder 4 and tool holder 5, as well as by through a screw joint not shown. The connecting pin can, if the constructive element consisting of part holder 4 and tool holder 5 is sufficiently well fitted to the holding arm 8, be fitted or screwed through the slot openings 23 and 24 on pins 22 and pin housings 25 , this way, the necessary locking is achieved for machining with chip removal. The connecting pin can be made, for example, as a tapered pin with or without a thread. It can have a connection portion for the drive, such as a slot for a screwdriver, several external corners or six internal corners with an Allen key, and a tool, such as a rotational movement wrench, wrench, internal Allen wrench or torque wrench, for activation. In the sense of a manual tool-free operation of the clamping device 7, the connecting pin can also be provided with a gripping element operable directly by hand.
    [031] If the common constructive element must be replaced by another common constructive element with another support of part 4 and tool holder 5, then the connecting pin is removed, the common constructive element is removed from the carrier arm 8 and then fixes another corresponding common constructive element in the carrier arm 8.
    [032] Figure 6 shows, by way of example, another common construction element with another support of part 4 and another tool holder 5 with the respective tools 6 suitable for machining the dental part 3 to be worked. There are no limitations, as can be seen in the comparison of figures 5 and 6, for the shape of the piece holder 4. It may be that the piece holder 4 grips the dental piece 3 completely in a plane as in figure 5, but also, for example, of the piece holder 4 that supports pieces 3 only laterally as in figure 6. Also other embodiments such as C-shaped clips and the like, are imaginable for the piece holder 4.
    [033] Machine tools formed in accordance with the present invention can be envisaged for machining with dry chip removal of dental parts 3, as well as for wet machining with chip removal of dental parts 3. In the embodiment example shown, a preferred embodiment, which is suitable for both dry machining with chip removal and for wet machining of dental parts 3. For wet machining, machine tool 2 in the example of shown embodiment has an extraction portion 17. In this case, for the dry machining of the dental part, a suction bell 26 can be connected, which in figure 7 is shown assembled and in figure 8 is shown disassembled. This is advantageously fixed and arranged, in a dismountable manner, in the air extraction portion 17 in the hollow processing space 14. The connection of the suction bell 26 with the extraction portion 17 occurs, in the example shown, by means of elements connection 27. In addition to the described extraction portion, air nozzles can be provided for wet machining, for example, in the tool support head 15, with which the tool used in the respective machining step and / or with which the region being worked out of the dental piece 3 can be blown, so that during machining with chip removal, dust and chips are blown away from the dental piece 3 and sucked by the extraction portion. The air nozzles can, of course, also be arranged separately, that is, not directly on the tool support head 15, and are not shown here.
    [034] For wet machining, machine tool 2 has a cooling circuit, advantageously closed, for a corresponding cooling liquid. Here appropriate cooling means known in the art can be used. For transporting the cooling medium in the refrigeration circuit, known pumps and ducts are used. It is advantageous when, through corresponding nozzles, again preferably on the tool support head 15 or otherwise arranged, the cooling medium is sprayed on the part 3 being worked and / or on the tool 6 being momentarily used in the machining process . In order to capture the cooling or cleaning medium, the collection tray 18 is provided in the example shown, from which the cooling or cleaning medium is pumped again. In both dry and wet machining, corresponding filters can be provided to separate the chip and transported solid particles from the cooling or cleaning medium circuit or from the sucked air.
    [035] In order to clean the hollow processing space 14 and / or all the construction elements arranged therein from the clamping device 1 and / or the machine tool 2, during or after the machining process, preferred embodiments provide that, as shown exemplarily in figure 9, a suction hose 18 can be connected to the air extraction portion 17. The suction hose 18 is advantageously formed so long and flexible that it can be used as a dust extractor in the hollow space of processing 14 and, consequently, and also outside. The hose 18, as well as the suction bell 26, can be advantageously fixed preferably in a dismountable manner without the use of a tool in the air extraction portion 17. Here connections are preferably provided such as a clamp, fitting and the like of the appropriate type. List of numerical references: 1 clamping device 2 machine tool 3 dental part 4 piece holder 5 tool holder 6 tool 7 piece holder 8 carrier arm 9 first axis 10 second axis 11 tool receiver 12 recognition device 13 housing 14 hollow space processing head 15 tool holder head 16 closing cap 17 air extraction portion 18 collecting tray 19 direction of movement 20 direction of movement 21 direction of movement 22 pin 23 slot opening 24 slot opening 25 pin housing 26 bell suction hose 27 connecting elements 28 suction hose
    权利要求:
    Claims (17)
    [0001]
    1. Clamping device, for a machine tool (2) for machining with chip removal of at least one dental part (3), the clamping device (1) having at least one part holder (4) for receive the dental part (3) during machining, with at least one tool holder (5) for loading at least one chip removal tool (6) for machining with chip removal of the dental part (3) is arranged in the workpiece holder (4), characterized in that the workpiece holder (4) and the tool holder (5) are attached or can be attached together as an interchangeable construction element by means of a fixing device (7) which can be disassembled, in a non-destructive way, in a holder of the clamping device (1).
    [0002]
    2. Clamping device according to claim 1, characterized in that the clamping device (7) can be operated and / or accessed by the end user of the clamping device (1).
    [0003]
    3. Clamping device according to claim 1 or 2, characterized in that the workpiece holder (4), together with the tool holder (5), is mounted on the carrier, rotationally about an axis ( 9).
    [0004]
    4. Clamping device, according to claim 3, characterized in that the workpiece holder (4), together with the tool holder (5), is mounted on the carrier, in a motorized rotational manner, around the axis (9 ).
    [0005]
    Clamping device according to claim 3 or 4, characterized in that the axis (9) is a first axis.
    [0006]
    6. Clamping device according to any one of claims 1 to 5, characterized in that the carrier is a carrier arm (8) which is rotationally mounted around an axis (10) which is different of a first axis (9).
    [0007]
    7. Clamping device, according to claim 6, characterized by the fact that the carrier is mounted in a motorized rotational manner, around the axis (10).
    [0008]
    Clamping device according to either of Claims 6 or 7, characterized in that the axis (10) is a second axis.
    [0009]
    Clamping device according to claim 6, characterized in that the workpiece holder (4) and the tool holder (5) are mounted together laterally on the carrier arm (8).
    [0010]
    Clamping device according to any one of claims 1 to 9, characterized in that the chip removal tool (6) is supported or housed in a tool receiver (11) of the tool holder (5) or the chip removal tools (6) are supported or housed in tool receptacles (11) of the tool holder (5), so that this or these can be disengaged.
    [0011]
    11. Clamping device according to claim 10, characterized in that the chip removal tool (6) is supported or housed in a tool receiver (11) of the tool holder (5) or the tool removal tools chips (6) are supported or housed in tool receivers (11) of the tool holder (5), in a magnetic way or by means of a locking connection.
    [0012]
    Clamping device according to any one of claims 1 to 11, characterized in that the tool holder (5) has one or more tool receptacles (11) for housing each of the chip removal tools (6) and the clamping device (1) has a recognition device (12) for checking the presence of a chip removal tool (6) and / or which chip removal tool (6) is present in or in the respective tool receiver (s) (11).
    [0013]
    13. Clamping device according to any one of claims 1 to 12, characterized in that the tool holder (5) is fixedly arranged on the workpiece holder (4).
    [0014]
    14. Machine tool, characterized by the fact that for machining with chip removal of at least one dental piece (3) with at least one clamping device (1), as defined in any of claims 1 to 13.
    [0015]
    15. Machine tool, according to claim 14, characterized by the fact that it has a housing (13) with a hollow processing space (14) that can be closed, during machining with chip removal from the dental part (3), the fixing device (7) being arranged in the hollow processing space (14) so as to be capable of being operated and / or accessed.
    [0016]
    16. Machine tool, according to claim 15, characterized in that the clamping device (7) is capable of being operated and / or accessed by the end user of the clamping device (1).
    [0017]
    17. Machine tool according to any of claims 14 to 16, characterized by the fact that it has at least one tool holder (5), which receives and operates at least one of the chip removal tools (6) for machining with chip removal from the dental part (3), and the tool support head (15), for the tool change, capable of delivering a chip removal tool (6) to the tool holder (5) and being able receiving another chip removal tool (6) from the tool holder (5).
    类似技术:
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    同族专利:
    公开号 | 公开日
    WO2013020147A1|2013-02-14|
    US9265592B2|2016-02-23|
    CN103841917B|2016-11-09|
    BR112014000859A2|2017-04-18|
    EP2683322A1|2014-01-15|
    DE202011109954U1|2012-10-16|
    DK2683322T3|2016-06-27|
    CN103841917A|2014-06-04|
    EP2683322B1|2016-03-16|
    US20130244846A1|2013-09-19|
    DE102011109939A1|2013-02-14|
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    法律状态:
    2018-12-11| B06F| Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]|
    2020-03-31| B06U| Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]|
    2020-09-24| B09A| Decision: intention to grant [chapter 9.1 patent gazette]|
    2020-12-08| B16A| Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]|Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 19/06/2012, OBSERVADAS AS CONDICOES LEGAIS. |
    优先权:
    申请号 | 申请日 | 专利标题
    DE102011109939A|DE102011109939A1|2011-08-10|2011-08-10|jig|
    DE102011109939.9|2011-08-10|
    PCT/AT2012/000172|WO2013020147A1|2011-08-10|2012-06-19|Clamping device|
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