• 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:
    panel bending machine. a panel bending machine (1) is described which comprises a counter blade (3) and a matrix support (5) shaped so as to tighten one. sheet metal panel (4) to be flexed. the panel bending machine (1) further comprises a "c" type blade holder (7), the terminals of which can be coupled to at least one first (9) and a second (1.1) bending blade. the machine (1) further comprises blade support actuating means (100) structured to articulate said second blade (11) in two different working positions (p2, p3).
    公开号:BR102013024261B1
    申请号:R102013024261-6
    申请日:2013-09-20
    公开日:2021-04-13
    发明作者:Wolfgang Kunze；Johann Klingesberger
    申请人:Salvagnini Italia S.P.A.；
    IPC主号:
    专利说明:

    [001] The present invention relates to an articulated blade panel bending machine.
    [002] Panel bending machines, also known as panel forming machines, used to bend sheet metal panels to a required profile, are known.
    [003] The plate panel inserted in the panel forming machine is locked between two members, a lower one called counter blade, used to support the plate panel, and a movable upper member, called matrix support. The matrix support can be actuated vertically, between a first upper position, which allows the plate panel to be inserted in the machine between the matrix support and the counter blade, and a second lower position to lock the panel and allow its machining, panel formation are also known, which also include the horizontal movement of the matrix support in relation to the counter blade to allow for additional bending combinations.
    [004] During the flexing step, the panel is positioned so that one end of the panel, the one that is intended to be flexed, projects horizontally towards the inside of the machine. The end of the panel is flexed either upwards or downwards by means of the flexing blades adjusted on a support essentially in the form of "C", called the blade matrix, which is driven by hydraulic pistons or camshaft systems. Such blades press on the projected end of the plate to be flexed by levering the counter blade and the matrix support.
    [005] Current solutions exhibit limits, in the case of particular flexion profiles, characterized, for example, by a small counter-flexion interposed between two much wider flexions. In fact, known panel forming machines may not be able to perform the described bending sequence, for reasons of mechanical interference between the panel and the bending blades.
    [006] In view of the prior art, it is the object of the present invention to provide a panel bending machine with articulated blade that can overcome this limitation.
    [007] According to the present invention, said object is achieved by means of a panel bending machine, as described in claim 1.
    [008] The characteristics and advantages of the present invention will be evident from the following detailed description of its practical embodiments, illustrated as a non-limiting example in the accompanying drawings, in which: - Figure 1 is a side view of a panel bending machine with an articulated blade according to a first embodiment of the present invention; - Figure 2 is a side view of a panel bending machine with an articulated blade according to a second embodiment of the present invention, with the blade support in a first working position; - Figure 3 shows the panel bending machine according to a second embodiment of the present invention, with the blade holder in a second working position; - Figure 4 shows the panel bending machine according to a second embodiment of the present invention, with the blade holder in a third working position; - Figure 5 shows a plate panel with a given flexion profile; - Figure 6 shows a part of a panel bending machine known in more detail; - Figure 7 shows a part of the panel forming machine in figure 4, in greater detail; - Figures 8-10 show the cinematics of the panel forming machine in figure 1 in work configurations P1-P3; Figures 11a-11b show a bending sequence of a sheet metal panel with the panel forming machine in the second working position; - Figures 12a-12b show a bending sequence of a sheet metal panel with the panel forming machine in the third working position; - Figure 12c shows a panel that can be made using the bending machine according to the invention, while figure 11c shows the network of the panel in Figure 12c; Figures 13a-13b are seen in perspective of the panel forming machine in the third and second working position; - Figures 14a-14c and 15a-15c show two limit cases of downward bending of the sheet panel that can be obtained only with the support rotated with respect to the usual condition.
    [009] Figure 1 shows a first embodiment of a panel forming machine comprising a frame 2 and a counter blade 3 integral with said frame 2 that supports a plate panel 4 to be flexed. A support matrix 5 is arranged above said counter blade 3, and fixed to a means 6 to vertically drive said matrix support 5, 6, said means being adapted to press the matrix support 5 against the counter blade 3 to tighten the panel 4. The matrix support 5 can also include a horizontal type adjustment, with respect to the counter blade 3 to allow other combinations of flexion of the plate panel 4 to be established.
    [0010] The panel forming machine 1 essentially comprises a blade holder 7 in the form of "C" (or type "C") with two terminals 8 and 10 and a connection portion 30 of terminals 8, 10. A first bending blade, or lower blade, 9, adapted to flex the sheet panel 4 upwards, is connected to a first end or lower end, 8 of said blade support, while a second bending blade, or upper blade, 11, adapted to flex downwards, is normally coupled to a second terminal or upper terminal, 10 of the blade holder 7.
    [0011] Actuating means 100 of the blade holder 7 configured to rotate and translate the blade holder 7 are provided.
    [0012] The actuating means 100 of the blade holder 7 includes a first member 14, 15, 16, 12, 120 hinged at one end of the blade holder 7, preferably lower end year 8 of the blade holder 7 by means of a pin 12, and a second element 20, 21, 13, 130 hinged to the connecting portion 30 of the blade holder by means of a pin 13.
    [0013] The blade holder 7 comprises extensions 120 of the terminal 8 and 130 on the part of the connection 30, to engage the respective pins 12, 13; connecting rods 14, 20 are attached at one end to the pins 12, 13, and at the other end to the frame 2 of the panel forming machine. In particular, the connecting rod 14 is rotatably connected to a cam comprising a pin 15 disposed on the peripheral part of a motorized disc 16, the latter being preferably disposed on the lower part A of the frame 2 of the panel forming machine, preferably in the portion of frame 2 under the counter blade 3. The connecting rod 20 is rotatably connected to a pin 21, connected to the frame 2, preferably in the central part A1 of the frame 2, and preferably, so that the extension line 40 of the working top, which corresponds to the metal panel of the plate 4 when said panel 4 is tightened on the counter blade 3, by the matrix support 5, it passes substantially through the pin 21. The pin 21 is motorized, in the case of the embodiment shown in figure 1. The axes of rotation of the blade holder, pins 21, 13, 12 and disc 16, are orthogonal to the direction of movement of the blade holder 7 and are preferably aligned with the direction of bending of the panel 4.
    [0014] The rotation of the cam 15, 16 allows the rotation of the blade holder 7, while the combination of the rotation of the cam 15, 16 and the rotation of the motorized pin 21 allows to transfer the blade holder 7 itself, either upwards / down or u to the right / left.
    [0015] According to a second embodiment (figures 2-4), the actuation means 100 of the panel forming machine 1 comprises another member 130, 13, 17, 18, 19 articulated with the connection portion 30 of the blade holder by means of pin 13. The other member comprises a connecting rod 17 which engages the pin 13 at one end and is rotatably connected to a cam, at the other end, which comprises a pin 18, disposed on the edge of a disc motorized 19, the latter is preferable arranged in the A2 upper part of the structure 2 of the panel forming machine, preferably in the upper part of the frame 2 the counter blade 3. Another member allows a better distribution of the actuation action to be exercised on the blade holder 7. The pin 21 is inactive in this case, that is, non-motorized, and has only motion retention functions. The axes of rotation of the pin 18 and the disc 19 are orthogonal to the direction of movement of the blade holder 7, and preferably aligned with the direction of flexion of the panel 4.
    [0016] In both embodiments, the means 100 of actuation of the panel forming machine are structured to implement configurations or working positions P1-P3 of figures 2-4, that is, the positions in which the flexing blade 9 or 11 is close to flexing the plate panel 4 with the plate panel 4 locked between the matrix support 5 and the counter blade 3, preferably horizontally arranged. In particular, the actuating means 100 are structured to articulate the blade 11, in a working position P2 and in a different working position P3 other than the working position P2.
    [0017] In both embodiments of the panel forming machine, the blade 11 preferably has a different shape from the known blades, in particular, the blade 11 is wedge-shaped and the end of the wedge coincides with the free end 111 of the blade. The angle Q of the wedge, that is, the angle between the inner surface 140 (i.e., the surface facing the connecting portion 30, of the blade holder 7) and the outer surface 141 (that is, the surface facing the matrix support 5) is preferably comprised between 25 ° and 35 °.
    [0018] The combination of the rotational or rototranslational movement of the blade support 7 caused by the actuation means 100 and the particular shape of the blade 11 with the inner surface 140 and the outer surface 141 allows the blade 11 to be articulated with the profile of the blade. inner surface 140, or with the profile of the outer surface 141, substantially perpendicular to the plane identified by panel 4 in working positions P3 and P2, as shown in figures 3 and 4.
    [0019] In the working configuration P1 (figure 2), the blade holder 7 is rotated by the actuation means 100 to allow the lower blade 9 to flex the plate panel 4 upwards in the working position P1.
    [0020] Again by means of actuation means 100, the panel forming machine can act on the working configuration P2 in figure 3, in which the blade holder 7 is rotated, again by actuation means 100, to allow the upper blade 11 to flex the panel plate 4 downwards. In both working positions P1 and P2, as shown in Figure 8-9, cam 15, 16 moves pin 12 over an arc of circumference B1 having its center on the axis of rotation of pin 13, the lower blades 9 and higher 11 are arranged in the working positions P1 and P2, with the movement of the cam 15, 16 only, in which the pin 15 is moved without ever crossing the points of singularity identified by the theoretical line R that passes through the axes of rotation of the disk 16, and the pins 12. The oscillation of the blade support 7 is due to a slight rotation caused by the motorized pin 21 of the first embodiment or the cam 18, 19 of the other member, in the case of the second embodiment of the invention; said slight rotation is necessary to implement small movements to the right / left or up / down with respect to the blade holder. In the working position P2, the profile of the outer surface 141 of the blade 11 is substantially perpendicular to the plate panel 4.
    [0021] By means of actuation means 100 and the particular shape of the blade 11, the panel bending machine according to the invention can act in the working configuration P3 of figure 4 and figure 10, in which the blade support 7 is rotated and translated vertically to make the blade flexion 11 rotate with respect to an axis of rotation I, orthogonal to the direction of movement of the blade holder 7, passing through the free end 111 thereof, in particular, the flexion blade 11 rotates from an angle substantially equal to the angle Q (preferably between 25 ° and 35 °), from the upper blade wedge 11 in relation to the working position P2 in figure 3. When moving from working position P2 to the working position P3, the pin 15 of the cam 15, 16 is displaced, without ever crossing the points of singularity identified by the theoretical line R that passes through the axes of rotation of the disc 16 and the pin 12.
    [0022] Actuating means 100 are adapted to translate pin 13 vertically, which in figures 2 and 3 is below line 40, which corresponds to the height of the plate panel 4 in the working position, that is, below the plate panel 4, while in figure 4 it is above line 40, that is, above the plate panel 4, in a symmetrical position with the previous one. In this way, the actuation means 100 are adapted to translate and rotate the blade support 7.
    [0023] The combination of the rototranslational movement of the blade support 7 caused by the actuation means 100 and the particular shape of the inner surface profile 140 of the blade 11 allows the blade 11 itself to be articulated with said inner surface profile 140 substantially perpendicular to the plane identified by panel 4 in the working position P3, as shown in figure 4. The movement of the blade holder 7 to go from the working position P2 to the working position P3 is due to the movement of the cam 15, 16 and the rotation of the motorized pin 21, in the case of the first embodiment of the invention, or the movement of the cam 15, 16 and the movement of the cam 18, 19, in the case of the second embodiment of the invention, in which the pin 21 is inactive . Again, the combination of the movement of the cam 15, 16 and the rotation of the motorized pin 21, in the case of the first embodiment of the invention, or the combination of the movement of the cam 15, 16 and the movement of the cam 18, 19, in the case of the second embodiment of the invention, they allow the upper blade 11 to make small vertical or horizontal movements with respect to the counter blade 3.
    [0024] The panel forming machine according to the invention makes it possible to make bending profiles not feasible with the state of the art panel forming machines.
    [0025] Figure 5 shows, for example, a particular bending profile 300 for the panel sheet 4, which can be made by the panel forming machine according to the invention, said profile comprises a small width counterflexion " C "interposed between two bends of greater width" a "and" b ".
    [0026] It is assumed that if the widths intend to make said profile 300 on the sheet panel 4 and that the panel forming machine has already flexed upwards "a". Figure 6 shows the limits of a panel forming machine according to the prior art to perform counter-inflection "C" if the blade holder 7 is not translated vertically and rotated. Without the combination of a rotation and a vertical translation of the blade support 7, it is not possible to perform the flexion sequence according to the profile of figure 5, for reasons of mechanical interference between the panel 4 and the flexion blade 11. In addition , again in figure 6, the limits of a prior art panel bending machine are shown by doing a wide bending with a high edge sheet panel (shown with a dashed line), again, if the support of blade 7 is not translated vertically and rotated.
    [0027] Figure 7 shows the overcoming of the constraint with the blade holder 7 in the working position P3 rotated and translated by a given angle to the right in relation to the working position P2, and therefore with a different orientation than that is shown.
    [0028] Figure 12c shows three orthogonal views of a panel 4 that can only be done using the panel forming machine described in this invention. Figure 11c is a flat development of the hand-held panel with sequential numbering 150-155 of the push-up sequence. In particular, the negative downward bending 155 on the L4 side of the panel can only be done with the blade holder in the working position P2 so as not to interfere with the bends 150 and 151 already made on the L1 and L2 sides adjacent to the L4 side processed as shown in figures 11a-11b and shown in greater detail in the perspective view in figure 13b. In this case, the blade holder 7, rotated in the working position P2, is positioned with the end 111 of the upper blade 11 in contact with the upper surface of the plate panel 4, so that the profile of the outer surface 141 of the upper blade 11 is essentially perpendicular to the sheet metal panel 4 in the working position. The perpendicularity of the outer surface 141 of the blade 11 prevents collision of the flexions 150, 151 already made on the sides L1 and L2 of the panel.
    [0029] Again with reference to figures 11c-12c, the counterflexion 153 on the L3 side can be made with the flexion sequence shown in figures 12a-12b. In this case, the blade holder 7 is translated and rotated by the actuation means 100 so that the end 111 of the upper blade 11 is in contact with the upper surface of the panel of the plate 4 and the blade 11 itself is rotated in relation to the rotation of the axis passing through the free end 111. The blade 11 rotates with respect to the working position P2 of the angle Q of the blade wedge 11, preferably between 25 ° and 35 °, so that the blade 11 is positioned by the blade support 7, so that the profile of the inner surface 140 is substantially perpendicular to the panel of the plate 4 in working position; in this way, it is possible to do the flexion 153, pressing the blade 11 downwards, on the panel 4. The perspective view in figure 13a shows this in greater detail. When considering the perspective view in figure 13b, the particular blade 11 with its wedge shape and the surfaces 140, 141, starting from the end 11 forming an angle Q preferably comprised between 25 ° and 35 °, is better shown. Surfaces 140, 141 are preferably flat.
    [0030] Thus, the inclination of the blade 11 is such that it allows the profile of its inner surface 140 to remain essentially perpendicular to the plate panel 4 disposed on the horizontal plane.
    [0031] Figures 14B-14C show the flexion sequence that allows to make a wide flexion "d" on a plate panel 4, with a high up edge of "l" in the working position P3, the blade support 7 is translated and rotated by actuation means 100 so that the end 111 of the upper blade 11 is in contact with the upper surface of the plate panel 4 and the blade 11 itself is rotated in relation to the axis of rotation that passes through its free end 111. The blade 11 rotates from the angle Q of the wedge of the blade 11, preferably between 25 ° and 35 ° with respect to the working position P2, so that the blade 11 is positioned by the blade holder 7 with the profile of the inner surface 140 substantially perpendicular to the sheet metal panel 4 in working position, so that it is possible to make the flexion "d" by pressing the blade 11 downwards on the panel 4. Figure 14a clearly shows the interference condition of the blade panel with the blade holder in the usual P2 position. Figures 15a-15c show a similar interference situation and how it can be overcome by rotating the blade holder with a flexion width "d" of the maximum possible extension.
    [0032] In the operation of machine 1 in the first and second embodiments equally (figures 1-4), the plate panel 4 to be machined is clamped between counter blade 3 and die support 5, but arranged in such a way as to project onto the interior of the machine 1 close to the blades 9 and 11 to allow flexing, the blades 9, 11 work on the tight panel 4 until the flexion is completed. The blade holder 7, with its rotational movement, guides the blades 9, 11 to flex up and down on the panel 4, respectively. In order to avoid collisions between one of the blades 9, 11 and a previously flexed plate panel 4, with an edge of a given dimension, the actuation means 100 are adapted to translate vertically and rotate the blade support 7 through the combined movement of the connecting rods 14, 20 so that the blade 11 does not interfere with the high edge of the panel 4.
    [0033] The actuation means 100 implement cinematism with three degrees of freedom, with only two actuators, that is, the cam 15, 16 and the motorized pin 12 in the case of the first embodiment of the invention, or the cams 15, 16 and 18, 19 in the case of the second embodiment of the invention. Blade holder 7, with three degrees of freedom, can move vertically or horizontally in relation to counter blade 3.
    [0034] Having defined D1 and D2, as the distance between pin 21 and pin 13 and the distance between pin 13 and the free end 111 of blade 11, respectively (as shown in greater detail in Figures 9-10) , when moving from working position P2 in figure 3 to working position P3 in figure 4, the motorized connecting rod-cam system 14-16, 17-19 (second embodiment of the invention), or the system and connecting rod motorized cam and motorized pin 12 (first embodiment of the invention) works on the blade holder 7, so that the pins 13 are translated vertically upwards, thus keeping the distances D1 and D2 constant. In this way, a rotation of the upper blade 11 is obtained, which performs a rotation of an angle Q, that is, an angle comprised between 25 ° and 35 °, on the axis of rotation I that passes through the free end 111 that goes from the working position P2 to working position P3. The particular shape of the inner surface of the upper blade 11 allows the profile of the inner surface 140 to be essentially orthogonal to the plate panel 4, with the blade 11 in the working position P3.
    [0035] Thus, the actuation means 100 are structured to allow the rotation of the blade support 7 along the arc of circumference B1 having its center of gravity on the axis of rotation of the pin 13 to go from the working position P1 to the working position P2 and vice versa; the actuating means 100 are further structured to allow rotation and translation of the blade holder 7, so as to rotate the blade 11 on the axis I which passes through the end 111 of the angle Q to go from the working position P2 to the position of work P3.
    [0036] In the operation of machine 1 (see figures 2, 3 and 4), in its second embodiment, the additional 17-19 connecting rod system supports the already present 14-16 connecting rod system and moves the blade holder 7 working on pin 13. The movement imprinted on the blade holder 7 by the actuation means of the second embodiment of the invention remains unchanged in relation to actuation means 100 of the first embodiment of the invention, but explores a less powerful engine.
    [0037] The combinations of movements described above and the possibility of rotation and translation of the blade support 7 allows the panel forming machine to carry out a wide range of bending profiles.
    权利要求:
    Claims (15)
    [0001]
    1. Panel bending machine (1) comprising a counter blade (3) and a matrix support (5) shaped so as to tighten a sheet metal panel (4) to be flexed in a working position (P1 -P3 ), the panel bending machine (1), further comprising a blade holder (7) in the shape of a "C", which supports at least one first (9) and a second (11) bending blade at the terminals of the same , the machine (1) comprising actuation means (100) of the blade support (7), the actuation means being structured to articulate the second blade (11) in a first working position (P2) and in a second working position work (P3) different from the first working position, characterized by the fact that the actuation means of the blade holder (7) are adapted to operate on the blade holder (7), so that the second blade (11) rotates in around an axis (I) that passes through the free end (111) of it to go from the first working position (P2), to the second working position (P3).
    [0002]
    2. Panel bending machine (1) according to claim 1, characterized by the fact that the second blade (11) is wedge-shaped and the means of action of the blade support (7) cause the rotation of the second blade (11) by an angle equal to the angle (Q) of the wedge to go from the first working position (P2), to the second working position (P3).
    [0003]
    Panel forming machine (1) according to either of claims 1 or 2, characterized by the fact that the actuation means are adapted to rotate and translate the blade support (7), and in which the second blade flexion (11) is provided with a given conformation of the inner surface (140), which faces the blade holder so that the combination of the rototranslational movement of the blade holder and the given shape of the inner surface of the second blade allows it to the second blade is articulated so that the profile of the inner surface of the same is orthogonal to the plate panel of the second working position (P3).
    [0004]
    4. Panel bending machine (1) according to any one of claims 1 to 3, characterized in that the actuation means are adapted to rotate the blade support and the second bending blade (11) is provided with a shape of the outer surface (141), which faces the matrix support so that the combination of the rotational movement of the blade support and the given conformation of the outer surface of the second blade allows the second blade to be pivoted so the profile of the outer surface of the same is orthogonal to the metal plate panel in the first working position (P2).
    [0005]
    5. Panel bending machine (1) according to any one of claims 1 to 4, characterized by the fact that the actuation means (100) implement a blade support actuation system with three degrees of freedom, using only two actuators.
    [0006]
    Panel bending machine (1) according to any one of claims 1 to 5, characterized in that the means for actuating the blade support (7) comprise at least one first member (12, 120, 14 -16) articulated in a terminal (8, 10) of the "C" shaped blade holder and a second member (20, 21, 13, 130) articulated in the connection portion (30) of the terminals (8, 10) of the "C" shaped blade holder and by means of a pin (13), the actuation means (100) being structured so that the pin translates vertically from a position below the metal plate panel (4) to a position above the sheet metal panel going from the first working position (P2) to the second working position (P3).
    [0007]
    Panel bending machine (1) according to claim 6, characterized in that the first member comprises a connecting rod (14) that has one end connected to a motorized cam (15, 16) and the other end connected rotatingly to the terminal (8, 10) of the "C" shaped blade holder.
    [0008]
    8. Panel bending machine (1) according to claim 7, characterized by the fact that the motorized cam (15, 16) is arranged at the bottom of the frame (2) of the panel forming machine (1) below the counter blade (3) and the terminal (8) of the "C" shaped blade holder is the lower terminal of the blade holder, which is adapted to be coupled to the first folding blade (9).
    [0009]
    9. Panel bending machine (1) according to claim 6, characterized by the fact that the actuation means are configured to allow a vertical translation of the pin (13), while maintaining the distance (D2) between the pin (13) and the free end (111) of the second blade (11) constant.
    [0010]
    Panel bending machine (1) according to claim 6, characterized by the fact that the second member comprises a connecting rod (20) that has one end connected to another pin (21) and the other end connected rotatively to the portion connection (30) of the terminals (8, 10) of the "C" shaped blade holder by means of the pin (13).
    [0011]
    Panel bending machine (1) according to claim 10, characterized by the fact that the other pin (21) is arranged at the height of the sheet metal panel (4) pressed between the counter blade and the matrix support.
    [0012]
    Panel bending machine (1) according to claim 11, characterized by the fact that the other pin (21) is motorized.
    [0013]
    Panel bending machine (1) according to claim 10, characterized by the fact that the other pin (13) is inactive and the actuation means (100) comprise a third member comprising a connecting rod (17) that has a hinged end to the connecting portion (30) of the terminals (8, 10) of the "C" shaped blade holder and the other end connected to a motorized cam (18, 19).
    [0014]
    14. Panel bending machine (1) according to claim 9, characterized by the fact that the motorized cam (18, 19) of the third member is connected to the upper part (A2) of the frame (2) of the forming machine panel (1) above the counter blade (3).
    [0015]
    15. Panel bending machine (1) according to claim 6, characterized by the fact that the actuation means (100) are further structured to move the blade support (7) between the first working position (P2) of the second blade (11) and another working position (P1) of the first blade (9), and vice versa, by rotating the blade support around an axis that passes through the pin (13).
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    同族专利:
    公开号 | 公开日
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    EP2711102A1|2014-03-26|
    EP2711102B1|2015-04-08|
    KR20140040053A|2014-04-02|
    RU2638655C2|2017-12-15|
    DK2711102T3|2015-07-13|
    RU2013142513A|2015-03-27|
    JP6250994B2|2017-12-20|
    ITMI20121583A1|2014-03-25|
    US20140090442A1|2014-04-03|
    CA2826530A1|2014-03-24|
    JP2014065079A|2014-04-17|
    KR101995410B1|2019-07-02|
    MY157042A|2016-04-15|
    ES2541603T3|2015-07-22|
    CN103658252B|2017-09-29|
    CN103658252A|2014-03-26|
    BR102013024261A2|2016-05-31|
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    法律状态:
    2016-05-31| B03A| Publication of a patent application or of a certificate of addition of invention [chapter 3.1 patent gazette]|
    2018-11-21| B06F| Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]|
    2019-11-26| B06U| Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]|
    2020-08-11| B06A| Patent application procedure suspended [chapter 6.1 patent gazette]|
    2021-03-09| B09A| Decision: intention to grant [chapter 9.1 patent gazette]|
    2021-04-13| 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 20/09/2013, OBSERVADAS AS CONDICOES LEGAIS. |
    优先权:
    申请号 | 申请日 | 专利标题
    ITMI2012A001583|2012-09-24|
    IT001583A|ITMI20121583A1|2012-09-24|2012-09-24|ADJUSTABLE BLADE PANEL MACHINE.|
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