• 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:
    ROTARY PACKING MACHINE FOR PACKING OBJECTS. A rotary packaging machine (10, 110) for packaging products by means of a film that unwinds from a spool, comprises a structure (13, 113) that carries a distribution unit (19, 119) that is electrically controlled to distribute the packaging film from a reel of film present in the distribution unit (19, 119). The distribution unit is supported on the structure, in order to be activated in rotation along a closed path around a packaging area (38, 138) that contains a product to be packed with the film. Along the closed path there is a power supply antenna (25, 125) which is connected to an antenna power supply unit (26, 126) to transfer electrical energy to a corresponding receiver (28) , 128) which is movable along the antenna, together with said distribution unit, and which supplies, in turn, electrical energy for the distribution unit.
    公开号:BR112014023392B1
    申请号:R112014023392-6
    申请日:2014-02-07
    公开日:2021-01-12
    发明作者:Maurizio Messersi
    申请人:Messersi' Packaging Srl；
    IPC主号:
    专利说明:

    Description
    [0001] The present invention relates to an innovative rotary packaging machine of the type used to pack objects (such as packages on a pallet) using a film strip.
    [0002] Packing machines or stations are known that have a packing head or unit that rotates along a circular path around the periphery of an object to be packed and arranged in the center of this path. The head unwinds a plastic film from a spool and wraps it around the object. If the width of the film is less than the height of the object, the machine can also carry out the simultaneous movement of the head along the object itself, in order to wrap the spiral film on the object.
    [0003] For rotating movement of the head, the machine can be provided with a circular ring driven by motor for axial rotation, the film distribution unit being mounted on its inner periphery. The ring may also comprise a balance weight provided on it in a position diametrically opposite the distribution unit. The ring is in turn mounted on a motor-driven structure, in order to print the simultaneous translation movement mentioned above.
    [0004] In a different mode, the ring is replaced by an annular rail along which the unit or packing head travels, in the form of a cart.
    [0005] In both cases it is necessary to print to the unit that revolves around the product to be packed a driving force to operate the mechanism present in this unit. This gives rise to evident problems in terms of the connection between the rotating unit and the stationary part of the machine.
    [0006] In the prior art, several solutions have been proposed, however, they are not entirely satisfactory. For example, it has been proposed to use a stationary electric motor and a suitable rotary mechanical drive, for example, with gear wheels, belts and / or chains, which transfers the mechanical energy to the head that rotates around the product to be packaged. Mechanical drive, however, is somewhat complex, requires constant maintenance, is expensive and creates a large amount of inertia in the rotating system.
    [0007] In addition, the performance is often relatively poor, the mechanical drive is in any case subjected to wear and malfunction.
    [0008] Due to the use of a mechanical system, it is not possible, in addition, to properly manage unwinding mechanisms of a certain complexity, such as those equipped with devices for adjustable pre-stretching of the film and / or for mounting over the head. additional packaging devices.
    [0009] Such a mechanical system is described, for example, in US 2012/0180433.
    [0010] NL 7407687 describes a strapping machine with an annular rail along which a trolley travels that applies a fastening strip around packages of material. In this machine the cart is moved using a linear electric motor, where the ring rail is the stator and the cart is the rotor. In this way, the cart is moved along the rail without using mechanical systems. However, there is no possibility to energize devices in the cart without the use of sliding contacts. NL 7407687, therefore, also describes the possibility of sliding contacts to energize linear motor bearings that are positioned on the cart. The cart, however, is capable of carrying a strip only passively and, therefore, the system is totally unsuitable for use in a machine for packaging products with film where several active devices for unwinding and tensioning the film may be present in the cart.
    [0011] In film wrapping machines, the use of electric motors mounted directly on the unwinding unit to operate the various associated mechanisms has also been proposed. These motors must obviously rotate together with the unwinding unit and it is therefore necessary to provide the rotating unit with an electrical supply.
    [0012] To achieve this, in the previous technique, electrified rails and sliding contacts or batteries are mounted directly on the rotating unit.
    [0013] These systems, however, are unsatisfactory, since they have several disadvantages such as cost and the need for constant maintenance (in particular in the case of sliding contacts, which are subject to considerable wear), large volume and high degree inertia (especially in the case of a battery power supply).
    [0014] In the case of battery operated systems it is also necessary to consider the cost of the battery and the need to maintain and replace the batteries. In addition, with batteries there is the problem of having to charge them periodically. To solve this last problem it was also proposed, for example, in EP0811554) to use a dynamo positioned on the rotating unit and operated by the same rotation as the unit. This, however, still increases the weight, complexity and need for maintenance of the system.
    [0015] All the previously mentioned known systems also impose very restrictive limitations in terms of the size of the packets that can be processed.
    [0016] The generic objective of the present invention is to provide an innovative packaging machine, which is able to overcome the disadvantages of the preceding technique, also achieving a smaller volume, a less complex design and greater flexibility.
    [0017] In view of this objective, the idea that occurred according to the invention is that of providing a packaging machine for packaging products, using a film unwound from a reel, which comprises a structure that carries a distribution unit that is electrically operated to distribute the packaging film from a reel of film present in the distribution unit, the distribution unit being supported on the structure in order to be operated in rotation along a closed path around a packaging zone that contains a product to be packaged with the film, characterized by the fact that an energy supply antenna is present along said closed path and is connected to an energy supply unit by antenna, to transfer, through electrical induction, energy electrical for a corresponding receiver that is mobile along the antenna together with said distribution unit, and that in turn supplies electrical energy p for the distribution unit.
    [0018] To illustrate more clearly the innovative principles of the present invention and their advantages compared to the previous technique, examples of modalities that apply these principles will be described below with the help of accompanying drawings. In the drawings:
    [0019] Figure 1 shows a schematic perspective view of a first embodiment of a packaging machine according to the invention;
    [0020] Figure 2 shows a partial schematic view on a large scale in cross section of a part of the packaging machine according to figure 1;
    [0021] Figure 3 shows a schematic plan view of the packaging machine according to figure 1;
    [0022] Figure 4 shows a schematic view of a part for unwinding and distributing film strip;
    [0023] Figure 5 shows a schematic plan view of a second embodiment of a packaging machine according to the invention;
    [0024] Figure 6 shows a schematic perspective view of a part of the packaging machine according to figure 5.
    [0025] With reference to the figures, figure 1 shows a packaging device or machine according to the invention, indicated generically by 10.
    [0026] As will be explained below, the apparatus 10 is designed to wrap a suitable strip of plastic wrap around an object 11 which is arranged in a packing zone 38 of the machine. The introduction of the object into the packaging zone 38, and optionally also its removal, can be carried out, for example, by means of a conveyor line 21, advantageously a belt conveyor or a roller guide.
    [0027] The packaging station forms a station for packaging products that are, for example, palletized, as can be easily imagined by the person skilled in the art. In general, object 11 can be formed by a set of products, for example, boxes, bricks, or the like, which are stacked on a transport platform 12, in order to form a parallelepiped structure to be packed with the film, for fix all products together in a single package. The packaging machine 10 comprises a frame 13 that carries a dispensing unit 19 which is electrically controlled to distribute the packaging film from a film spool present in said dispensing unit.
    [0028] In particular, the distribution unit is supported on the structure 13 in order to be operated in rotation along a closed path around the packaging zone 38 containing the product 11. In the case of the modality shown in figure 1, the path is circular and the movement of the distribution unit 19 along it is obtained by means of a circular ring 16 which is supported on the structure 13 by means of a guide and sliding device 17 (properly distributed along the circumference of the ring) which allows it to rotate axially around itself even when operating a suitable electric motor 18.
    [0029] Advantageously, the motor 18 is mounted on the structure and rotates the ring 16 engaging with its periphery by means of a suitable system known for itself (not shown in detail since it can be easily imagined by the person versed in the art) such as a friction coupling (roller or similar) or a ratchet and pinion coupling.
    [0030] For packaging objects that are taller than the width of the film strip, the structure 13 is advantageously moved in a direction transversal to the extension of the closed path followed by the unit 19, in order to move along from the packaging area and pack (also with several layers) the spiral film around the periphery of the object to be packed. With a substantially horizontal path and a vertical displacement, as shown by way of example in the figure, the structure 13 is advantageously movable vertically along the support columns 14 by means of a known drive unit 15.
    [0031] As will be further clarified below, along the closed path followed by the distribution unit in structure 13, there is a power supply antenna 25 that is connected to a power supply antenna unit 26, to transfer via electrical induction electrical energy for a corresponding receiver 28 which is movable along the antenna, together with the distribution unit 19, which in turn supplies electrical energy for said distribution unit. In particular, the machine shown in figure 1 is advantageously provided with an annular support 20 fixed to the structure 13 and seating the antenna. The support 20 is parallel to the path followed by the unit 19 during its rotation and, in particular, it also has the shape of a circular ring and is coaxial with the axis of rotation of the ring 16.
    [0032] Advantageously, the receiver 28 travels a short distance along the antenna, so that it is always inductively coupled with it.
    [0033] Figure 2 shows schematically a radially sectioned part of structure 13 with rings 16 and 20 and unit 19.
    [0034] In this figure it can be clearly seen how the ring 16 is rotatably supported on the structure 13 by the guide and sliding devices 17, which advantageously comprise support rollers 22, side guide rollers 23 and, optionally, rollers of upper retention 24. The ring is thus properly guided so as to rotate around itself with a small degree of friction.
    [0035] The ring support 20 advantageously has a seat that, along its entire circumference, contains the antenna 25 which is provided with energy by means of the power supply unit 26. The antenna 25 can be filtered in a way advantageous for a metallic screen 27, for example, made of aluminum, suitable to prevent the transmission of the electric field produced by the antenna in a direction different from the radial direction towards the center of the ring, or in any case towards the receiver 28 associated with the film distribution unit 19.
    [0036] In particular, the receiver 28 is located facing the inner surface of the ring 20 a short distance from it, so as to be inductively coupled with the antenna 25, and thus receive the electrical energy produced by the power supply unit 26 and radiated by the antenna 25.
    [0037] Once the antenna is closed in the form of a ring around the travel path of the film distribution unit, receiver 28, which is integrally attached to unit 19, constantly receives the energy guided by the antenna, whatever is the position of the dispensing unit 19 along the path it follows during its rotation around the packaging zone. The receiver 28 supplies the captured electrical energy to a suitable device or electronic control unit 29 that is present in the distribution unit. The control unit 29 then controls the operation of a set 30 of motors and / or actuators present in said unit.
    [0038] In this way the unit receives an adequate supply of electrical energy for operation, without the need for any physical connection with the stationary parts of the machine and can therefore rotate freely.
    [0039] The voltage induced at the receiver is converted, if necessary, from a relatively high induction voltage (eg 500 V) and a relatively high frequency (eg useful for induction transfer throughput) to a continuous voltage with an adequate value to energize the circuits present in the distribution unit. This continuous voltage can be, for example, in the order of 48 VDC, or less. The control circuit 29 can, in turn, comprise other voltage reducers to energize its internal circuits using the voltage received through the receiver 28, as can be easily imagined by the person skilled in the art. The packaging machine 10 can advantageously comprise a central control unit 31 (substantially known by itself in the art and therefore no longer illustrated or described here) which inter alia communicates with a control unit mounted on the unit 19 through wireless transmission. For this purpose, the central unit has a suitable transceiver unit 32. The wireless connection can use associated transmission antennas or it can be transported through said inductive coupling between antenna 25 and receiver 28, adequately modulating the power supply of antenna 25 with the data signal to be transmitted. The central unit 31 may also comprise a known input / output interface for an operator (for example, a keyboard and a display).
    [0040] Through the same wireless transmission system it is also possible to carry out transmission in the opposite direction, with the device 29 that modulates a data signal on the windings of the receiver 28 that are coupled with the antenna 25, such that the antenna 25 it is used as a receiving antenna by the central unit 31 fixed to the ground.
    [0041] Figure 3 shows schematically from above an operation that packs an object's packaging with the film (indicated by 33) supplied by the distribution unit 19 while the assembly rotates with the motor driven ring 16 around the object 11, and simultaneously travels in the vertical direction along the height of the object. The vertical movement can be a forward and backward movement, in order to superimpose several layers of film and eventually bring the distribution unit back to the starting position. The starting position corresponds, for example, to a position of the structure raised to a height higher than the top of the object to be packed, in order to allow the object to move in and out of the packaging area.
    [0042] Figure 3 also shows schematically a possible configuration of antenna 25 designed as a continuous cable that forms an input loop and a return loop around the fixed ring 20. The two loops are connected together at a first end and at the other end (which after a slightly greater than 360 degree turn is superimposed on the first end) they are connected to the power supply 26.
    [0043] Although for illustrative reasons in figure 3 two loops are both shown in the plane of the path followed by the distribution unit, in reality they are advantageously superimposed on each other in parallel so that both face the receiver 28, as can be clearly seen in figure 2.
    [0044] Figure 4 shows schematically a possible modality of the rotary distribution unit. This modality comprises the film reel (indicated by 34) and at least two rollers 35 and 36 that allow feeding the distributed film and are independently driven and controlled by motor through the unit 29.
    [0045] By adjusting the relative rotation speed of the two rollers, the unit 29 can perform a desired pre-stretching of the film, so that it is tightly caught around the packaged object. Due to the wireless communication between the central unit 31 and the mounted control unit, pre-stretching can also be dynamically controlled by the central unit 31 (either manually by the operator or based on automatic operating parameters) depending on the desired operational requirements.
    [0046] Figure 4 also shows schematically a mechanism 37 known for itself (and therefore not further described or described in detail) that performs cutting and adjustment of the film strip at the end and at the beginning of each packaging operation. This mechanism is generally arranged in the frame 13 and rotates around its axis between a rest position and an operational position, to pick up and then cut the film when rotation of the unit 19 is stopped when the packaging operation is completed.
    [0047] Figure 5 shows a construction variant of an apparatus according to the invention. For convenience, parts similar to those in the form of figure 1 will be indicated by the same numbering increased by 100.
    [0048] The apparatus according to figure 5, generically indicated 110, comprises a unit 119 for controlled distribution of the film 133 in order to pack it around an object 111 that is transported in a packaging zone 138 in the apparatus, for example, by means of a conveyor line 121, for example, a conveyor belt or roller guide.
    [0049] The distribution unit is supported on the structure 13 in order to be activated in rotation along a closed path around the packaging area 138 that receives the product.
    [0050] Advantageously, the distribution unit is designed in the form of a motor-driven cart, which travels along a rail 120 that follows the pre-defined closed path and is supported on structure 113 (which can also coincide with the rail itself if the rail is constructed in a manner strong enough to be self-supporting).
    [0051] The structure 113 is supported, in an advantageous way, in order to be activated in sliding in a direction transversal to the extension of the closed path followed by the cart. In particular, with the path closed and hence with the rail 120 substantially horizontal, the translation movement of the structure will be vertical in a similar manner to the previous modality.
    [0052] Advantageously, this translation movement is obtained by means of columns driven by engine 114 along the sides of the packaging zone 138.
    [0053] In this way the combined vertical translation movement of the rail 120 and the sliding displacement of the unit 119 along the rail 120 perform the operation of wrapping the object with the film that is wound in a spiral around the object.
    [0054] From figure 5 can be seen as rail 120 and, therefore, the trolley path may not be circular. It is therefore possible to optimize the machine's dimension in the case of objects that have dimensions that vary enormously in the two orthogonal directions.
    [0055] It is indeed clear how it is possible to provide packaging paths that are closed, but not circular, with varied shapes, for example, as can be seen in figure 5, a rectangular path with radiused corners, in order to follow the shape of the objects to be packed and not having to supply machines with circular rings that have a diameter adapted to the largest dimension and, therefore, are unnecessarily bulky along the smallest dimension.
    [0056] Advantageously, as can be seen clearly again in figure 5, unit 119 can also be built in the form of segments articulated with each other, and arranged in series on the rail, so that they are able to travel easily along a track 120, even with sudden changes in curvature towards its displacement path. The various articulated segments, for example, three segments can each support part of the unwinding system, namely: the film spool and the motor-driven unwinding rolls and, where applicable, pre-stretching rolls. For example, with the device similar to that shown in figure 4, the first segment can support the film reel 34, the second segment can support the motor driven roller 35 and the third segment can support the motor driven roller 36.
    [0057] As can be easily imagined by the person skilled in the art and a maintenance wheel (jockey wheel) or other mechanisms to regulate unwinding and tensioning of the film can also be mounted on unit 119.
    [0058] If it is required to provide a circular travel path, namely, with the rail 120 in the form of a circular ring, the unit 119 can in any case have more simply a rigid design, if necessary curved in the way of the rail, a since it must travel along a track 120 with substantially constant curvature.
    [0059] In any case, a power supply antenna 125 is present along the closed path followed by the distribution unit 119 and is connected to a power supply unit for antenna 126 to transfer, by means of electrical induction, energy electrical to a corresponding receiver 128 which is movable along the antenna together with the distribution unit 119 and in turn supplies electrical energy to said distribution unit, as described for the preceding embodiment.
    [0060] As clearly shown in figure 6, the antenna (preferably formed by two handles as described for the previous modality) is advantageously housed in a seat on an annular support that, in the example of the modality substantially coincides with a part of it rail along which the cart travels.
    [0061] As can be seen in figure 6, a metallic screen 124 (advantageously a U-shaped profile) that lines the antenna seat on three sides can also be provided to prevent irradiation in directions other than those where the transmission antenna 125 and receiver 128 are coupled together.
    [0062] Receiver 128 supplies power to an electronic control unit 129 which is mounted on the distribution unit and which controls the operation of motors and / or actuators present in unit 119. In particular, a drive motor 118 that moves the unit to the along the rail it is advantageously provided with other actuating elements and / or actuators 134 for unwinding the spool and, if necessary, for stretching the film as, for example, already described with reference to figure 4.
    [0063] In a similar manner to the previous modality, the apparatus shown in figure 5 can also comprise a central control unit 131 that communicates with the mobile unit 129 through a wireless connection, through an associated transceiver 132, known for yourself. The central unit can have a known input / output interface for an operator.
    [0064] The wireless connection can be advantageously carried out using the same antenna 125. Alternatively, separate antennas can be provided.
    [0065] Due to the wireless connection, the central control unit can send commands to the unit mounted on the cart and adjust its various operational parameters such as distribution speed, degree of pre-stretching, movement speed along the rail , etc. At this point it is clear how the predefined objectives were achieved.
    [0066] In a packaging machine according to the invention, the problems of equipping the rotating distribution unit with electrical and electronic components no longer exist, since the supply of electricity is, in all cases, ensured in a easy and low cost way. Since there is no need for complex moving mechanical parts to transmit movement, or sliding electrical contacts, electric batteries or dynamos, the system according to the invention is relatively low-cost, rigid and reliable, and does not require a certain amount of maintenance . The rotary system can be designed to be relatively light and to have a low inertia. The packaging speed can therefore be high and energy consumption limited.
    [0067] Obviously, the description provided above of a modality that applies the innovative principles of the present invention is provided by way of example of these innovative principles and should, therefore, not be seen as limiting the scope of the rights claimed here. For example, the distribution unit can be designed in several other ways that can now be easily imagined by the person skilled in the art, with a variable number of electric actuators and motors according to specific needs. This unit may also comprise several optional packaging accessories known, as can be easily imagined by the person skilled in the art. The machine may also have different shapes and dimensions, depending on practical requirements.
    [0068] The sliding cart system according to the second modality can also, for example, be moved vertically by means of a projecting structure and two extreme columns driven by motor, as shown in figure 1 or vice versa, the rotating ring of the system according to figure 1 can be moved by four side columns as shown in figure 5.
    [0069] In addition, in the sliding cart mode, the antenna can be arranged on an annular support separate from the rail and parallel to the path of the cart.
    [0070] As is clear from the figures, the antenna can advantageously be formed by an electrical cable inserted into grooves within an insulating element, for example, made of plastic inserted in the support element.
    [0071] As can now be easily imagined by the person skilled in the art, the system according to the invention can also be designed for horizontal packages, namely, with unit 19 or 119 that rotates around a horizontal axis instead of a vertical axis and that travels horizontally instead of vertically. As mentioned above in the case of sufficient film width, the machine can also be designed without displacing the film distribution unit throughout the product.
    [0072] The wireless communication system can also be of a known optical type.
    权利要求:
    Claims (14)
    [0001]
    1. Wrapping machine (10, 110) for packaging products using a film unwound from a spool, which comprises a frame (13, 113) that loads the distribution unit (19, 119) which is electrically operated to distribute the film of packaging of a reel of film present in the distribution unit (19, 119), the distribution unit being supported on the structure in order to be operated in rotation along a closed path around a packaging area (38, 138) which contains a product to be packed with the film, characterized by the fact that a power supply antenna (25, 125) is present along said closed path and is connected to an antenna power supply unit (26, 126 ) to transfer, by means of electrical induction, electrical energy to a corresponding receiver (28, 128) which is movable along the antenna together with said distribution unit, and which in turn supplies electricity to the distribution unit, the unit and distribution (19, 119) comprising a control unit (29, 129), which is mounted on it and which receives the power supply from said receiver (28,128), and which controls the operation of motors and / or actuators present in the distribution unit.
    [0002]
    2. Machine according to claim 1, characterized in that the structures (13, 113) are in turn supported in a mobile way so that they are driven in translation in a direction transversal to the extension of said closed path, in order to move the closed path along said product packaging area.
    [0003]
    3. Machine according to claim 2, characterized in that the closed path is substantially horizontal and the movement of the structure occurs vertically along the vertical displacement columns driven by the motor (14, 114).
    [0004]
    4. Machine according to claim 1, characterized in that devices for pre-stretching the film (30, 130) are present in the distribution unit (19, 119) and said motors and / or actuators operate at least these devices pre-stretching.
    [0005]
    5. Machine according to claim 4, characterized in that the devices for pre-stretching (30, 130) comprise at least two rollers (35, 36) to feed the distributed film, which are separately driven by motor and operated by mounted control unit (29, 129) in order to adjust the relative speed of the rollers and obtain a desired degree of pre-stretching.
    [0006]
    6. Machine according to claim 1, characterized by the fact that it comprises a central control unit (31, 131) that communicates with the control unit (29, 129) mounted on the distribution unit by means of a wireless transmission .
    [0007]
    7. Machine according to claim 6, characterized in that the wireless transmission passes through the power supply antenna.
    [0008]
    8. Machine according to claim 1, characterized by the fact that the distribution unit (19), for its movement along the closed path, is supported on a circular guide ring (16) that rotates axially on the structure by means of a rotating motor (18).
    [0009]
    Machine according to claim 8, characterized in that the ring (16) rotates on the structure by means of a guide and sliding device (17) comprising rollers (22, 23) to support and guide the ring laterally, which are distributed over the structure along the perimeter of the ring.
    [0010]
    10. Machine according to claim 1, characterized in that the antenna (25, 125) is seated inside an annular support (20, 120) disposed parallel to said travel path.
    [0011]
    11. Machine according to claim 1, characterized by the fact that the distribution unit is in the form of a motor-driven trolley (119) that moves on a rail (120) mounted on said structure and that follows said closed path .
    [0012]
    12. Machine according to claim 11, characterized in that the antenna (125) is housed within a seat on the rail (120).
    [0013]
    13. Machine according to claim 11, characterized in that the trolley (119) is formed by articulated segments arranged in series on the rail.
    [0014]
    14. Machine according to claim 1, characterized by the fact that it comprises a conveyor line (21, 121) to move the products inside and outside the packaging area (38, 138).
    类似技术:
    公开号 | 公开日 | 专利标题
    BR112014023392B1|2021-01-12|rotary packaging machine to pack objects
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    CN102046472A|2011-05-04|Strapping device with an energy storage means
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    同族专利:
    公开号 | 公开日
    PL2812251T3|2017-02-28|
    CA2866684C|2020-08-25|
    US20150047301A1|2015-02-19|
    RU2661366C2|2018-07-16|
    CN104203753A|2014-12-10|
    ES2602960T3|2017-02-23|
    WO2014128587A1|2014-08-28|
    EP2812251B1|2016-08-17|
    CN104203753B|2017-07-21|
    EP2812251A1|2014-12-17|
    ITMI20130234A1|2014-08-21|
    CA2866684A1|2014-08-28|
    US10144542B2|2018-12-04|
    RU2014137914A|2016-04-10|
    PT2812251T|2016-10-28|
    DK2812251T3|2016-11-28|
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    法律状态:
    2018-03-27| B15K| Others concerning applications: alteration of classification|Ipc: B65B 11/02 (2006.01) |
    2018-11-13| B06F| Objections, documents and/or translations needed after an examination request according art. 34 industrial property law|
    2020-02-18| B06U| Preliminary requirement: requests with searches performed by other patent offices: suspension of the patent application procedure|
    2020-11-03| B09A| Decision: intention to grant|
    2021-01-12| B16A| Patent or certificate of addition of invention granted|Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 07/02/2014, OBSERVADAS AS CONDICOES LEGAIS. |
    优先权:
    申请号 | 申请日 | 专利标题
    IT000234A|ITMI20130234A1|2013-02-20|2013-02-20|ROTARY WRAPPING MACHINE FOR PACKAGING OBJECTS.|
    ITMI2013A000234|2013-02-20|
    PCT/IB2014/058853|WO2014128587A1|2013-02-20|2014-02-07|Rotary wrapping machine for packaging objects|
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