EP2692646B1 - Machine de conditionnement de peau - Google Patents

Machine de conditionnement de peau Download PDF

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Publication number
EP2692646B1
EP2692646B1 EP12382316.3A EP12382316A EP2692646B1 EP 2692646 B1 EP2692646 B1 EP 2692646B1 EP 12382316 A EP12382316 A EP 12382316A EP 2692646 B1 EP2692646 B1 EP 2692646B1
Authority
EP
European Patent Office
Prior art keywords
product
sealing member
wall
packaged
transverse
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP12382316.3A
Other languages
German (de)
English (en)
Other versions
EP2692646A1 (fr
Inventor
Eneko Izquierdo Ereño
Nicolás Arregi Arambarri
Ormaechea Nerea Arbulu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ulma Packaging Technological Center S Coop
Original Assignee
Ulma Packaging Technological Center S Coop
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ulma Packaging Technological Center S Coop filed Critical Ulma Packaging Technological Center S Coop
Priority to EP12382316.3A priority Critical patent/EP2692646B1/fr
Priority to ES12382316.3T priority patent/ES2528333T3/es
Priority to US13/957,426 priority patent/US20140033647A1/en
Publication of EP2692646A1 publication Critical patent/EP2692646A1/fr
Application granted granted Critical
Publication of EP2692646B1 publication Critical patent/EP2692646B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B59/00—Arrangements to enable machines to handle articles of different sizes, to produce packages of different sizes, to vary the contents of packages, to handle different types of packaging material, or to give access for cleaning or maintenance purposes
    • B65B59/001—Arrangements to enable adjustments related to the product to be packaged
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B11/00—Wrapping, e.g. partially or wholly enclosing, articles or quantities of material, in strips, sheets or blanks, of flexible material
    • B65B11/50—Enclosing articles, or quantities of material, by disposing contents between two sheets, e.g. pocketed sheets, and securing their opposed free margins
    • B65B11/52—Enclosing articles, or quantities of material, by disposing contents between two sheets, e.g. pocketed sheets, and securing their opposed free margins one sheet being rendered plastic, e.g. by heating, and forced by fluid pressure, e.g. vacuum, into engagement with the other sheet and contents, e.g. skin-, blister-, or bubble- packaging
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B11/00—Wrapping, e.g. partially or wholly enclosing, articles or quantities of material, in strips, sheets or blanks, of flexible material
    • B65B11/58—Applying two or more wrappers, e.g. in succession
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
    • B65B51/10—Applying or generating heat or pressure or combinations thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B9/00—Enclosing successive articles, or quantities of material, e.g. liquids or semiliquids, in flat, folded, or tubular webs of flexible sheet material; Subdividing filled flexible tubes to form packages
    • B65B9/02—Enclosing successive articles, or quantities of material between opposed webs
    • B65B9/04—Enclosing successive articles, or quantities of material between opposed webs one or both webs being formed with pockets for the reception of the articles, or of the quantities of material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B2210/00—Specific aspects of the packaging machine
    • B65B2210/04—Customised on demand packaging by determining a specific characteristic, e.g. shape or height, of articles or material to be packaged and selecting, creating or adapting a packaging accordingly, e.g. making a carton starting from web material

Definitions

  • the invention relates to a machine for packaging products, of the type in which the product is vacuum-wrapped between two thermoplastic films that adapt to its shape and are sealed around it, and which is known as a skin packaging machine.
  • the product In a skin package, the product is generally disposed on a first film or lower film, and is wrapped by a second film or upper film. In a sealing station both films are then joined or bonded around the product. Both films must be compatible with each other to enable the sealing, or they may be impregnated with a lacquer to enable their sealing.
  • the sealing station generally comprises a mould and a lower tool where the mould is supported, and at least the mould performs a vertical movement, so that when the product between the two films is disposed beneath the mould, the mould descends and the product is housed in its interior.
  • an upper first vacuum is generally performed through the mould, which causes the deformation of the upper film towards the walls of the mould, which may also be heated to heat the upper film even more and enable the subsequent sealing of the films.
  • a second vacuum is then generated between the upper and lower film where the product is housed, leaving the product without any air around it.
  • this second vacuum is formed by the lower tool, which is set up to perform the vacuum between the sides of the lower and upper film, or through holes formed beforehand in the lower film for such a purpose.
  • the pressure is increased between the walls of the mould and the upper film and the pressure of the second vacuum is reduced (both operations may be performed one after the other or simultaneously) with the purpose of said film adapting to the contour of the product and thermosealing to the lower film all along the surface in contact with the lower film, thanks to pressure and heat, the product being closed hermetically between the two films.
  • This process may also be accompanied by a vertical movement of the lower tool, which may also heat the lower film to enable sealing between both films around the contour of the product.
  • a skin packaging machine comprises a loading station where the products to be packaged are disposed on the lower film, a pre-heating station where the upper film is heated, a sealing station where the upper film is bonded to the lower one by means of a sealing mould and a lower tool, the products being vacuum-packaged, and a cutting station, next to the sealing station, where the excess film is cut from the already packaged products by means of cutting tools, the individual packages being obtained.
  • Skin packaging machines generally advance the product in an intermittent manner, the product being static in each operation and being moved a constant distance in each advance.
  • the document EP 1594744 B1 discloses a skin packaging machine.
  • the products reach a sealing station where they are vacuum packaged between two films by means of a dome-shaped mould.
  • the document US 3740237 A discloses a skin packaging machine comprising a sealing member that acts on a product wrapped by a lower film and an upper film in order to bond the films to each other around the product and thereby vacuum-package said product between both films.
  • the sealing member comprises a U-shaped portion that is heated by a conduit that passes along the entire U-shaped portion.
  • the skin packaging machine comprises a sealing member that acts on a product wrapped by a lower film and an upper film to close or bond the films to each other around the product and thereby vacuum-package said product between both films, and control means for causing the sealing member to move in order to package the product.
  • the sealing member defines at least one inner space where the product to be vacuum-packaged is disposed wrapped at least partially by the two films, and comprises at least one longitudinal first wall, a longitudinal second wall and a transverse wall between which the inner space is defined, and an opening facing the transverse wall.
  • the characteristics of the sealing member it is possible to package products of different sizes without having to change the sealing member every time that the size of the product changes, which makes the machine more versatile.
  • the duration of the process is also reduced, as it is not necessary to perform an upper vacuum operation in order to vacuum-bond the product, so that the speed of the machine is increased.
  • the amount of film to be used may be reduced by supplying in an equidistant manner the products to be packaged, by adjusting the distance between the products to as little as possible, due to the fact that regardless of the size of the products, the opening of the sealing member allows their size to be adapted, so that when the sealing member is applied on a product said sealing member does not collide with a previous product that is larger in size.
  • FIG. 1 shows a schematic embodiment, by way of example, of a skin packaging machine 100.
  • a skin packaging machine 100 is adapted to vacuum-package products 4.
  • the product 4 is wrapped between a lower film 2 and an upper film 3, which are bonded to each other around the product 4 so that said product 4 is vacuum-wrapped, and in a vacuum operation a vacuum is generated between both films 2 and 3.
  • the films 2 and 3 are wound on respective reels 20 and 30.
  • the upper film 3 may be heated by means of a heating plate 31 or equivalent member, as the lower film 2.
  • a skin packaging machine 100 comprises transport means, not shown in the figures, in order to transport the upper film 3 and the lower film 2 on which the products 4 to be packaged are disposed, a sealing station 7 where the products 4 are vacuum-packaged, and a cutting station 8, next to the sealing station 7, where the excess film 2, 3 is cut from the already-packaged products 4 originating from the sealing station 7.
  • the transport means can correspond, for example, with pincers that hold and move the films 2 and 3, thereby moving said product 4, although they can correspond with another equivalent device or member, or even with a conveyor belt, a multi-belt conveyor or a positioning belt that supplies the products 4 to the machine 100 in a continuous or in an intermittent manner.
  • the machine 100 comprises a sealing member 1 and a sealing tool 9 in the sealing station 7, and the product 4 reaches the sealing station 7 disposed between both films 2 and 3.
  • the film 2 is disposed on the sealing tool 9, which can comprise a substantially flat shape or another shape adapted to the sealing member 1 and which may also be heated, and the sealing member 1 acts on the product 4 wrapped by the films 2 and 3 to vacuum-package said product 4 between both films 2 and 3.
  • the sealing member 1 moves towards the sealing tool 9, both cooperating with each other in order to package the product 4 between the films 2 and 3, and a vacuum operation is then performed to create a vacuum between both films 2 and 3.
  • the machine 100 also comprises control means, not shown in the figures, to cause the movement of the sealing member 1 to package the product 4, and cutting means in the cutting station 8 to cut the film 2, 3 which exceeds from the already-packaged product 4 originating from the sealing station 7.
  • the sealing member 1 defines at least one inner space 10 where the product 4 to be packaged is disposed, wrapped by the two films 2 and 3, and comprises at least one longitudinal first wall 11, a longitudinal second wall 12 facing the longitudinal first wall 11, and a transverse wall 13 of the sealing member 1 disposed between both longitudinal walls 11 and 12, defining the inner space 10 between said walls 11, 12 and 13.
  • the walls 11, 12 and 13 exert pressure on the films 2 and 3, forming a sealed closure and bonding them to each other.
  • the vacuum between both films 2 and 3 can be created correctly so that the upper film 3 adapts to the contour of the product 4 and is bonded to the lower film 2 all along the surface in contact with said films 2 and 3, thanks to pressure and heat, the product 4 being vacuum-packaged between the two films 2 and 3.
  • the sealing member 1 also comprises an opening 14 between both longitudinal walls 11 and 12 and facing the transverse wall 13.
  • the sealing member must be replaced by a sealing member that is adapted to the dimensions of the product to be packaged, or the new product disposed at a distance sufficiently large so that the sealing member does not collide with the previously packaged product, which involves, among other things, an excessive use of film, and is not always possible either.
  • a sealing member 1 such as the one proposed, this drawback is solved and the machine 100 can package products 4 of different sizes using a sealing member 1 (without it having to be replaced by another one of a different size), without the risk of the sealing member 1 colliding with a previously packaged product 4 and thereby preventing the packaging of the new product 4, for example.
  • the distance between the different products 4 can be optimised to ensure reduced use of film 2, 3.
  • the machine 100 also comprises detection means, not shown in the figures, which detect the length of the product 4 to be packaged before the product 4 reaches the sealing station 7, and which are connected to the control means, the control means thereby being capable of synchronising the movement of the transport means and the sealing member 1 according to the length detected, in order to package said product 4.
  • the detection means may correspond, for example, with a camera.
  • a distance of separation D between two adjacent products 4 can also be optimised to reduce the amount of film 2, 3 required, so that the products 4 can access the sealing station 7 with a constant distance of separation D being maintained between two adjacent products 4 regardless of the length of each product 4. Subsequently it is possible to load a product 4 in the machine 100 in a manual or automated manner.
  • the machine 100 comprises a loading system that may correspond with an automatic handling device, with an automatic positioning system (a multi-belt conveyor or a positioning device), or with an equivalent device or member, for example, which load the products 4 in a continuous or in an intermittent manner in the machine 100, and the detection means detect at least the size and the distance between at least two adjacent products 4, the control means acting on the loading system to ensure that the product 4 is supplied in the machine 100 with a preset minimum distance of separation D.
  • a loading system may correspond with an automatic handling device, with an automatic positioning system (a multi-belt conveyor or a positioning device), or with an equivalent device or member, for example, which load the products 4 in a continuous or in an intermittent manner in the machine 100, and the detection means detect at least the size and the distance between at least two adjacent products 4, the control means acting on the loading system to ensure that the product 4 is supplied in the machine 100 with a preset minimum distance of separation D.
  • the products 4 can be supplied intermittently or continuously.
  • the advance of the transport means may be variable, depending on the length of the product 4 to be packaged, or constant. If the advance is variable, the sealing member 1 moves from a rest position to a bonding position P2 to bond the films 2 and 3 to each other with the product 4 in their interior, this movement being vertical. In the bonding position P2 the sealing member 1 cooperates with the sealing tool 9 to bond the films 2 and 3 to each other. Once the sealing has been completed the sealing member 1 moves back to its rest position, and the cycle is performed once more for the following product 4.
  • the sealing member 1 moves in a advance direction X to be adapted to the different lengths of the different products 4, in the sense of advance of the product 4 or in the opposite sense as required.
  • the horizontal movement is performed from the rest position, and moves vertically to the bonding position P2 when the sealing member 1 is on the product 4 to be packaged, so that the transverse wall 13 bonds the films 2 and 3 to each other, between said product 4 and the next one to be packaged.
  • the sealing member 1 then detaches from the sealing tool 9 and returns to the rest position or to the horizontal position required to package the next product 4.
  • the control means have the function of synchronising the movements of the transport means and the sealing member 1 to perform the sealing correctly, in all cases.
  • the sealing member 1 moves from the rest position to the bonding position P2 vertically, and then moves in the advance direction X in the sense of advance of the product 4, accompanying the product 4 so that the sealing is performed correctly. It then returns to the rest position and the operation is repeated so that the next product 4 may be packaged.
  • the control means have the function of synchronising the movements of the transport means and the sealing member 1 to perform the sealing correctly, in all cases.
  • the sealing member 1 corresponds with a sealing mould 1 and comprises a substantially U-lying shape, as shown in Figure 2 .
  • the sealing member 1 moves towards the sealing tool 9, the product 4 is disposed in a sealed space defined by the inner space 10 and the previously packaged product 4, thereby enabling the sealing of the films 2 and 3 around the product 4 by means of at least one lower vacuum and heat.
  • transverse wall 13 of the sealing member 1 is fixed in relation to the longitudinal walls 11 and 12.
  • the transverse wall 13 of the sealing member 1 is mobile in relation to the longitudinal walls 11 and 12.
  • the second configuration is adapted for the case in which the products are supplied in an intermittent manner with a constant advance, and instead of moving the sealing member 1 in the advance direction X to be adapted to the different lengths of the different products 4, the control means cause the movement in the advance direction X of the transverse wall 13 and cause the movement of the sealing member 1 only vertically.
  • the sealing member 1 comprises, in addition to the walls 11, 12 and 13, at least one intermediate longitudinal wall 19 that is disposed between the longitudinal walls 11 and 12, which comprises a length substantially equal to the length of the longitudinal walls 11 and 12, and which is substantially parallel to the longitudinal walls 11 and 12, as shown in the example of Figure 3 .
  • the sealing member 1 defines at least two inner spaces 10 disposed in parallel, a product 4 being disposed in each inner space 10 in order to be vacuum-packaged between both films 2 and 3.
  • two or more products 4 may be packaged simultaneously in a single machine 100.
  • the inner spaces 10 are separated from each other by intermediate longitudinal walls 19, the sealing member 1 comprising a substantially inverted E shape when it defines two inner spaces 10 and so on.
  • the intermediate longitudinal walls 19 are connected to the transverse wall 13 and said walls 19 and 13 are fixed in relation to the longitudinal walls 11 and 12.
  • the transverse wall 13 is mobile in relation to the longitudinal walls 11 and 12 in the advance direction X, as is the case in the second configuration of the first embodiment.
  • the intermediate longitudinal walls 19 may be connected to the transverse wall 13 and move in conjunction with it, or they may be fixed in relation to the longitudinal walls 11 and 12, the sealing member 1 comprising a transverse wall 13 for each inner space 10 in this latter case.
  • the sealing member 1 comprises, in addition to the walls 11, 12 and 13, at least one additional transverse wall 18 that is disposed transversally between the longitudinal walls 11 and 12, which comprises a length substantially equal to the length of the transverse wall 13, and which is substantially parallel to the transverse wall 13, as shown in the example of Figure 4 .
  • the sealing member 1 defines at least two inner spaces 10 disposed in series, a product 4 being disposed in each inner space 10 to be vacuum-packaged between both films 2 and 3.
  • two or more products 4 may be packaged simultaneously in a single machine 100.
  • the inner spaces 10 are separated from each other by additional transverse walls 18.
  • the additional transverse wall 18 is mobile in relation to the longitudinal walls 11 and 12 in the advance direction X, as is the case in the second configuration of the first embodiment with the transverse wall 13.
  • the transverse wall 13 is fixed in relation to the longitudinal walls 11 and 12.
  • the additional transverse wall 18 is connected without freedom of movement to the longitudinal walls 11 and 12, and the transverse wall 13 is mobile in relation to the longitudinal walls 11 and 12 in the advance direction X, as is the case in the second configuration of the first embodiment.
  • the transverse walls 13 and 18 are mobile in relation to the longitudinal walls 11 and 12, independent to each other, the sealing member 1 thereby being adapted to the different lengths of the different products 4 to be packaged without said sealing member having to move in the advance direction X.
  • the sealing member 1 may additionally comprise an upper wall 15' that may also be heated.
  • the sealing member 1 may also comprise an upper member, not shown in the figures, which covers the inner space 10 and which is flexible so it may be adapted to the shape of the product 4 and thereby adapt the upper film 3 to said shape, reducing the volume of air that is extracted in the vacuum operation and enabling the sealing between both films 2 and 3, as a result of which the sealing time is reduced.
  • the upper member may correspond with a sponge or with an expandable membrane 50, for example.
  • Figure 5 shows an example of a sealing member 1 according to the first embodiment, with an upper wall 15' and an expanded membrane 50 adapted to the shape of the product 4.
  • a sealing member 1 such as the one described for the first embodiment, for the second embodiment and for the third embodiment, in particular in packaging products 4 of a reduced size.
  • the sealing members 1 described in the three preceding embodiments are not optimal for packaging these types of products 4, due mainly to the fact that a more efficient vacuum operation must be performed in the sealing station 7 so that the films 2 and 3 are properly adapted to the shape of the product 4 to be packaged, generally an upper vacuum on the upper film 3.
  • the sealing member 1 is similar to that of the first embodiment, though it also comprises an upper wall 15 and a transverse moving wall 16 that is substantially parallel to the transverse wall 13, as shown by way of example in Figure 6 .
  • the inner space 10 is delimited in this case by the walls 11, 12, 13, 15 and 16 and is thus closed in a sealed manner, so that an upper vacuum may be formed on the upper film 3 in the inner space 10 in order to package the product 4.
  • the transverse moving wall 16 is adapted to move in the advance direction X, moving closer to or away from the transverse wall 13 to reduce or increase the volume of the inner space 10, reducing or increasing the distance between the walls 13 and 16 and thereby adapting the length of the inner space 10 to the length of the product 4 to be packaged.
  • the sealing member 1 comprises sealing means 17 shown by way of example in Figure 7 , between the transverse moving wall 16, the corresponding longitudinal wall 11 and 12 and the upper wall 15, so that between the walls 11, 12, 15 and 16 a sealed closure is generated.
  • the sealing means 17 are connected to the transverse moving wall 16 and move in conjunction with said transverse moving wall 16, and in their preferred embodiment are adapted to be enlarged or inflated when the transverse moving wall 16 is in the necessary position for thereby ensuring the sealed closure.
  • the upper wall 15 comprises a length substantially equal to the length of the longitudinal walls 11 and 12.
  • control means also cause the movement of the transverse moving wall 16 according to the length of the product 4 to be packaged, the inner space 10 thereby being adapted to each product 4.
  • the machine 100 may package products 4 of different sizes using a single sealing member 1 (without it having to be replaced with another of a different size), without the risk of the sealing member 1 colliding with a previously packaged product 4 and thereby preventing the packaging of the product 4, the moving wall 16 only moving when necessary.
  • the distance between the different products 4 may be optimised to obtain a reduced use of film 2, 3.
  • the sealing member 1 comprises a shape similar to that of the sealing member 1 of the third embodiment but also including an upper wall 15, and more specifically corresponds with the first configuration of the third embodiment with the difference that it also includes the upper wall 15 and that only one product 4 may be packaged each time instead of two in series, as an upper vacuum is required, which is only possible in the inner space 10 defined between the walls 11, 12, 13, 15 and 16.
  • the sealing member 1 is equal to that of the first configuration but the transverse wall 13 may also move in relation to the longitudinal walls 11 and 12 in the advance direction X, in one sense or another.
  • the second configuration is adapted for the case in which the products 4 are supplied in an intermittent manner with a constant advance, and instead of moving the sealing member 1 in the advance direction X in order to adapt it to the different lengths of the different products 4, the control means cause the movement in the advance direction X of the transverse wall 13 and cause the movement of the sealing member 1 only vertically.
  • the transverse walls 13 and 16 may also move independently to each other, depending on the length of the product 4 to be packaged.
  • the sealing member 1 is equal to that of the first configuration but comprises a plurality of transverse moving walls 16, so that a plurality of products 4 may be packaged in series (as many products 4 as transverse moving walls 16).
  • the sealing member 1 defines a plurality of inner spaces 10 disposed in series and separated by the transverse moving walls 16.
  • the transverse moving walls 16 may also move independently to each other, depending on the length of the corresponding product 4 to be packaged.
  • the control means have the function of controlling the movements of the transverse moving walls 16.
  • the sealing member 1 is equal to that of the third embodiment but the transverse wall 13 may also move in relation to the longitudinal walls 11 and 12 in the advance direction X, in one sense or the other.
  • the fourth configuration as is the case in the second, is adapted for the case in which the products 4 are supplied in an intermittent manner with a constant advance, and instead of moving the sealing member 1 in the advance direction X in order to adapt it to the different lengths of the different products 4, the control means cause the movement in the advance direction X of the transverse wall 13 and cause the movement of the sealing member 1 only vertically.
  • the transverse walls 13 and 16 may also move independently to each other, depending on the length of the products 4 to be packaged.
  • the sealing member 1 is similar to that of the fourth embodiment, in any of its configurations, but it also comprises at least one intermediate longitudinal wall 19 that is disposed between the longitudinal walls 11 and 12, which comprises a length substantially equal to the length of the longitudinal walls 11 and 12, and which is substantially parallel to the longitudinal walls 11 and 12, as shown by way of example in Figure 8 .
  • the sealing member 1 defines at least two inner spaces 10 disposed in parallel, the product 4 being disposed in each inner space 10 in order to be vacuum-packaged between both films 2 and 3.
  • two or more products 4 may be packaged simultaneously in a single machine 100.
  • the intermediate longitudinal walls 19 are connected to the transverse wall 13 and said walls 19 and 13 are fixed in relation to the longitudinal walls 11 and 12.
  • the transverse wall 13 is mobile in relation to the longitudinal walls 11 and 12 in the advance direction X, as is the case in the second configuration of the first embodiment.
  • the intermediate longitudinal walls 19 may be connected to the transverse wall 13 and move in conjunction with it, or they may be fixed in relation to the longitudinal walls 11 and 12, the sealing member 1 comprising a transverse wall 13 for each inner space 10 in this latter case.
  • the transverse moving wall 16 may move in relation to the intermediate longitudinal walls 19 in the advance direction X.
  • the sealing member 1 may also comprise an upper member, not shown in the figures, which covers at least the upper part of the inner space 10 and which is adapted to the shape of the product 4 to be packaged when the sealing member 1 acts on the product 4 to package it.
  • the upper member may correspond with a sponge or with an expandable membrane, for example, and is disposed beneath the upper wall 15, generally connected to the upper wall 15.
  • the machine 100 also comprises a cutting station 8 as described, with cutting means.
  • the cutting means may correspond to a laser, a water jet, a cutting wire or an equivalent member that is supported in a movement device on X-Y axes or equivalent and, controlled by the control means, they may move along the contour of the product 4 to remove the excess film 2, 3 of the product 4 once it has been vacuum-packaged in the sealing station 7.
  • the detection means may also be adapted to detect the shape of the product 4 to be packaged, in addition to its length, and the control means control the movement of the cutting tool 80 according to the shape detected.
  • the machine 100 may comprise additional detection means for detecting the shape, which are disposed between the sealing 7 and cutting 8 stations. As a result, a package adapted to the shape of the product 4 is obtained, or even a package adapted to the shape of the product 4 along a specific contour and another area with a different predetermined format, such as an area for the labelling of the product 4 for example.
  • the cutting means may comprise, instead of the laser, the water jet or the cutting wire, a transverse cutting tool 80 and a longitudinal cutting tool 81, a rectangular package being obtained as a result.
  • the longitudinal cutting tool 81 is in charge of removing the excess film 2, 3 from the sides of the package, while the transverse cutting tool 80 is in charge of removing the excess film 2, 3 on the front of the package.
  • the cutting tools 80 and 81 may be fixed or they may move in the advance direction X according to the length of the package, in one direction or another, depending on whether the supply of the products to the sealing station 7 is continuous, intermittent with constant advance, or intermittent with variable advance.
  • the sealing member 1 corresponds with a sponge or flexible membrane that adapts to the shape of the product, the walls 11, 12 and 13 corresponding with surfaces of the sponge or membrane. These surfaces have at least one area that is sufficiently rigid to form a sealed closure between the films 2 and 3 when the sealing member 1 cooperates with the sealing tool 9 to package a product 4.

Claims (15)

  1. Machine de suremballage comprenant un élément de scellement (1) qui agit sur un produit (4) enveloppé par un film inférieur (2) et un film supérieur (3) afin de relier les films (2, 3) l'un à l'autre autour du produit (4) et ainsi emballer sous vide ledit produit (4) entre les deux films (2, 3) et des moyens de commande pour amener l'élément de scellement (1) à se déplacer afin d'emballer le produit (4), l'élément de scellement (1) définissant au moins un espace interne (10) où le produit (4) destiné à être emballé sous vide, est disposé, enveloppé au mois partiellement par les deux films (2, 3), et comprend au moins une première paroi longitudinale (11), une seconde paroi longitudinale (12) et une paroi transversale (13) entre lesquelles l'espace interne (10) est défini, caractérisée en ce que l'élément de scellement (1) comprend également une ouverture (14) entre les deux parois longitudinales (11, 12) et faisant face à la paroi transversale (13).
  2. Machine selon la revendication 1, dans laquelle l'élément de scellement (1) comprend une pluralité d'espaces internes (10) en série par rapport à une direction d'avancement (X), l'élément de scellement (1) comprenant, entre les deux parois longitudinales (11, 12), au moins une paroi transversale supplémentaire (18) qui comprend une longueur sensiblement égale à la longueur de la paroi transversale (13) et qui s'étend parallèlement à la paroi transversale (13), chacun des deux espaces internes (10) adjacents étant séparés l'un de l'autre au moyen d'une paroi transversale supplémentaire (18) et au moins l'une des parois transversales (13, 18) étant mobile par rapport aux parois longitudinales (11, 12) dans la direction d'avancement (X) selon la longueur des produits (4) à emballer.
  3. Machine selon l'une quelconque des revendications précédentes, dans laquelle l'élément de scellement (1) comprend une paroi supérieure (15') qui peut être chauffée.
  4. Machine selon la revendication 1, dans laquelle l'élément de scellement (1) comprend également une paroi supérieure (15) qui recouvre l'espace délimité entre les parois longitudinales (11, 12) et la paroi transversale (13), et une paroi mobile transversale (16) qui est sensiblement parallèle à la paroi transversale (13), qui est disposée entre les parois longitudinales (11, 12) et qui est mobile par rapport aux parois longitudinales (11, 12) dans la direction d'avancement (X), se rapprochant ou s'éloignant de la paroi transversale (13) selon la longueur du produit (4) à emballer, l'espace interne (10) étant défini entre les parois longitudinales (11, 12), les parois transversales (13, 16) et la paroi supérieure (15) et la longueur de l'espace interne (10) étant adaptée selon la longueur du produit (4) à emballer au moyen du déplacement de la paroi mobile transversale (16).
  5. Machine selon la revendication 4, dans laquelle l'élément de scellement (1) comprend des moyens de scellement (17) entre chaque paroi longitudinale (11, 12) et la paroi mobile (16) correspondante, qui sont fixés à la paroi mobile (16) et se déplacent conjointement avec ladite paroi mobile (16) et qui sont adaptés pour être agrandis ou gonflés lorsque la paroi mobile (16) est dans la position requise.
  6. Machine selon les revendications 4 ou 5, dans laquelle l'élément de scellement (1) comprend une pluralité d'espaces internes (10) en série par rapport à la direction d'avancement (X), l'élément de scellement (1) comprenant, pour chaque espace interne (10), une paroi mobile transversale (16), chaque espace interne (10) étant délimité longitudinalement entre deux parois mobiles transversales (16) ou bien entre une paroi mobile transversale (16) et la paroi transversale (13).
  7. Machine selon l'une quelconque des revendications précédentes, dans laquelle l'élément de scellement (1) comprend une pluralité d'espaces internes (10) en parallèle par rapport à une direction d'avancement (X), l'élément de scellement (1) comprenant, entre les deux parois longitudinales (11, 12), au moins une paroi longitudinale intermédiaire (19) qui comprend une longueur sensiblement égale à la longueur des parois longitudinales (11, 12) et qui s'étend parallèlement aux parois longitudinales (11, 12), chacun des deux espaces internes (10) adjacents étant séparés l'un de l'autre au moyen d'une paroi longitudinale intermédiaire (19).
  8. Machine selon la revendication 7, dans laquelle la paroi transversale (13) est mobile par rapport aux parois longitudinales (11, 12) dans une direction d'avancement (X), les moyens de commande provoquant le déplacement de la paroi transversale (13) selon la longueur du produit (4) à emballer chaque fois, la paroi longitudinale intermédiaire (19) étant fixée sur la paroi transversale (13) et la paroi longitudinale intermédiaire (19) se déplaçant conjointement avec la paroi transversale (13).
  9. Machine selon l'une quelconque des revendications 1 à 7, dans laquelle la paroi transversale (13) est mobile par rapport aux parois longitudinales (11, 12) dans une direction d'avancement (X), les moyens de commande provoquant le déplacement de la paroi transversale (13) selon la longueur du produit (4) à emballer, à chaque fois.
  10. Machine selon l'une quelconque des revendications précédents, dans laquelle l'élément de scellement (1) comprend également un élément supérieur qui couvre au moins la partie supérieure de l'espace interne (10) et qui est adapté à la forme du produit (4) à emballer lorsque l'élément de scellement (1) agit sur le produit (4) pour l'emballer.
  11. Machine selon l'une quelconque des revendications précédentes, comprenant des moyens de détection qui sont en communication avec les moyens de commande et qui détectent au moins la longueur du produit (4) à emballer avant que ledit produit (4) ne soit dans un espace interne (10) défini par l'élément de scellement (1).
  12. Machine selon la revendication 11, comprenant une station de scellement (7) où l'élément de scellement (1) est disposé et des moyens de transport qui transportent les produits (4) jusqu'à la station de scellement (7), l'élément de scellement (1) étant fixé dans la machine (100) avec une liberté de mouvement vertical, ce dernier étant déplacé verticalement entre une position de repos et une position de liaison (P2) pour emballer les produits (4), les moyens de commande étant adaptés pour provoquer le déplacement de l'élément de scellement (1) et pour provoquer l'actionnement des moyens de transport selon la longueur détectée du produit (4) correspondant.
  13. Machine selon la revendication 12, comprenant une station de scellement (7) où l'élément de scellement (1) est disposé et des moyens de transport qui transportent les produits (4) jusqu'à la station de scellement (7), l'élément de scellement (1) étant adapté pour se déplacer verticalement et horizontalement entre une position de repos et une position de liaison (P2) pour emballer les produits (4), les moyens de commande étant adaptés pour provoquer l'actionnement des moyens de transport et pour amener l'élément de scellement (1) à se déplacer selon la longueur détectée du produit (4) correspondant.
  14. Machine selon les revendications 12 ou 13, comprenant une station de coupe (8) avec des moyens de coupe adaptés pour couper le film (2, 3) qui dépasse d'un produit (4) déjà emballé, les moyens de détection étant également adaptés pour détecter la forme du contour du produit (4) emballé ou du produit (4) à emballer, et les moyens de commande étant adaptés pour agir sur les moyens de coupe de sorte qu'ils coupent le film (2, 3) qui dépasse autour du produit (4) correspondant selon la forme du contour du produit (4) détecté.
  15. Machine selon les revendications 12 ou 13, comprenant une station de coupe (8) avec des moyens de coupe adaptés pour couper le film (2, 3) qui dépasse d'un produit (4) déjà emballé et des moyens de détection supplémentaires disposés entre la station de scellement (7) et la station de coupe (8) pour détecter la forme du contour du produit (4) emballé ou du produit (4) à emballer, et les moyens de commande étant adaptés pour agir sur les moyens de coupe de sorte qu'ils coupent le film (2, 3) qui dépasse autour du produit (4) correspondant selon la forme du contour du produit (4) détecté.
EP12382316.3A 2012-08-03 2012-08-03 Machine de conditionnement de peau Active EP2692646B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP12382316.3A EP2692646B1 (fr) 2012-08-03 2012-08-03 Machine de conditionnement de peau
ES12382316.3T ES2528333T3 (es) 2012-08-03 2012-08-03 Máquina de envasado en segunda piel
US13/957,426 US20140033647A1 (en) 2012-08-03 2013-08-01 Apparatus and methods for packaging a product

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP12382316.3A EP2692646B1 (fr) 2012-08-03 2012-08-03 Machine de conditionnement de peau

Publications (2)

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EP2692646A1 EP2692646A1 (fr) 2014-02-05
EP2692646B1 true EP2692646B1 (fr) 2014-11-12

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US (1) US20140033647A1 (fr)
EP (1) EP2692646B1 (fr)
ES (1) ES2528333T3 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2527611B1 (es) * 2013-07-24 2015-11-04 Ulma Packaging Technological Center, S.Coop. Máquina de envasado en atmósfera modificada, en segunda piel o en vacío, y método
US9919825B2 (en) * 2013-08-28 2018-03-20 Odds, Llc System and method for packaging a food product
EP3028774A1 (fr) * 2014-12-03 2016-06-08 MULTIVAC Sepp Haggenmüller SE & Co. KG Installation d'emballage avec une machine d'emballage par emboutissage
DE102018222836A1 (de) * 2018-12-21 2020-06-25 Multivac Sepp Haggenmüller Se & Co. Kg Siegeln von kartonzuschnitten mittels auflage auf transportband
IT201800021103A1 (it) * 2018-12-27 2020-06-27 Tulini Macch S R L Gruppo di termoformatura per la realizzazione di contenitori
DE102019103196A1 (de) * 2019-02-08 2020-08-13 Buergofol GmbH Unterwerkzeug für eine Skin-Verpackung

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Publication number Priority date Publication date Assignee Title
US3740237A (en) * 1970-11-25 1973-06-19 Mayer & Co Inc O Continuous method for manufacturing hermetically sealed packages having dual seals
US3696580A (en) * 1971-05-17 1972-10-10 Joseph M Saltzer Sr Shrink film packaging method
US6582800B2 (en) * 2000-01-20 2003-06-24 Free-Flow Packaging International, Inc. Method for making pneumatically filled packing cushions
ITBO20020463A1 (it) * 2002-07-18 2004-01-19 Awax Progettazione Apparato per la termosaldatura continua ed a tenuta dei lembi longitudinali e sovrapposti di elementi tubolari di film termoplastico di spes
DE602004009040T2 (de) 2003-02-21 2008-06-19 Cryovac, Inc. Verfahren und vorrichtung zur herstellung von leicht zu öffnenden packungen
US20060021293A1 (en) * 2004-07-30 2006-02-02 Arpac. L.P. Movable U-bar sealing device and a method for shrink wrapping a load with a flexible material
DE102005035567A1 (de) * 2005-07-25 2007-02-01 Bizerba Gmbh & Co. Kg Heißsiegelwerkzeug

Also Published As

Publication number Publication date
ES2528333T3 (es) 2015-02-06
EP2692646A1 (fr) 2014-02-05
US20140033647A1 (en) 2014-02-06

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