EP2536637B1 - Vorrichtung zum vakuum-verpacken, insbesondere von lebensmitteln - Google Patents

Vorrichtung zum vakuum-verpacken, insbesondere von lebensmitteln Download PDF

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Publication number
EP2536637B1
EP2536637B1 EP11700550.4A EP11700550A EP2536637B1 EP 2536637 B1 EP2536637 B1 EP 2536637B1 EP 11700550 A EP11700550 A EP 11700550A EP 2536637 B1 EP2536637 B1 EP 2536637B1
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EP
European Patent Office
Prior art keywords
vacuum chamber
folded film
heat
pair
bell
Prior art date
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EP11700550.4A
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English (en)
French (fr)
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EP2536637A1 (de
Inventor
Mauro Scolaro
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Extru SA
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Extru SA
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Priority claimed from ITTV2010A000019A external-priority patent/IT1398114B1/it
Priority claimed from ITTV2010A000117A external-priority patent/IT1401384B1/it
Application filed by Extru SA filed Critical Extru SA
Publication of EP2536637A1 publication Critical patent/EP2536637A1/de
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Publication of EP2536637B1 publication Critical patent/EP2536637B1/de
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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
    • B65B11/00—Wrapping, e.g. partially or wholly enclosing, articles or quantities of material, in strips, sheets or blanks, of flexible material
    • B65B11/48—Enclosing articles, or quantities of material, by folding a wrapper, e.g. a pocketed wrapper, and securing its opposed free margins to enclose contents
    • 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
    • B65B31/00—Packaging articles or materials under special atmospheric or gaseous conditions; Adding propellants to aerosol containers
    • B65B31/02—Filling, closing, or filling and closing, containers or wrappers in chambers maintained under vacuum or superatmospheric pressure or containing a special atmosphere, e.g. of inert gas
    • 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
    • B65B31/00—Packaging articles or materials under special atmospheric or gaseous conditions; Adding propellants to aerosol containers
    • B65B31/04—Evacuating, pressurising or gasifying filled containers or wrappers by means of nozzles through which air or other gas, e.g. an inert gas, is withdrawn or supplied
    • B65B31/043—Evacuating, pressurising or gasifying filled containers or wrappers by means of nozzles through which air or other gas, e.g. an inert gas, is withdrawn or supplied the nozzles acting horizontally between an upper and a lower part of the container or wrapper, e.g. between container and lid

Definitions

  • the present application relates to a packaging device, particularly for packaging food products and technical materials.
  • vacuum machines which have a bell-shaped chamber and comprise a vacuum pump connected to a chamber, also known as a vacuum chamber, and inside which a preformed pouch, which is open on three sides, is usually arranged, a food product being placed inside it.
  • the preformed pouch with the product already inside it, is then placed inside the vacuum chamber and vacuum is then produced inside the chamber; then heat-sealing is performed at the free side of the preformed pouch.
  • This known technology entails the need to use preformed pouches, which thus have one size that is comparable to the dimensions of the product; moreover, considerable labor is required.
  • EP603704 is also known in which the packaging of food products occurs by using a film made of plastic material, which is conveyed through a folding station in order to obtain a double layer and is then heat-sealed so as to define pockets.
  • the above solution involves a hot or a cold forming of the plastic film and the filling, by means of a nozzle, of liquid products, flours or finely granulated materials, and therefore it is not possible to consider the use of the illustrated solution for solid products having predetermined volumes such as sliced meats, meat, portioned cheeses, and trays containing food and non-food products.
  • EP0405718 is also known which describes a solution that illustrates a packaging device, particularly for packaging food products or technical materials that can be inserted between longitudinally folded parts of a single-folded film from an open side thereof, the device comprising means for thermal bonding or heat-sealing which are substantially L-shaped in order to seal the film both at the open longitudinal side and at its transverse sides, and at least one nozzle for producing vacuum and/or for introducing the gas or mixture.
  • EP0832819B1 is also known whose priority is Italian Patent Application AL960002 dated September 26, 1996 and which illustrates a packaging device which comprises a vacuum chamber that can be opened to receive a length of at least one single-folded film with the material to be packaged inserted therein and can be respectively closed hermetically, after which it is possible to produce the vacuum and/or introduce the gas or mixture with the portion or length of film which assumes a pocket-like shape, heat-sealing means being furthermore provided which are arranged for operation inside the vacuum chamber, the at least one nozzle being arranged at the vacuum chamber so as to face, after being closed, toward the open longitudinal and/or transverse sides of the film length.
  • the flow of gas inside the film is not optimum, thus lowering the efficiency of the device.
  • the quantity, in absolute values and in relative values (%), of gas that remains inside the pouch being formed is thus extremely variable and difficult to control, and this produces a series of pouches or packages that are more or less inflated or deflated, depending on the individual case.
  • the tray can thus arrive and find an insufficient space to accommodate it, and this causes its redirection toward the open side of the pouch, ending up on the longitudinal heat-sealing bar, causing machine downtimes and lost time for cleaning it.
  • the aim of the present invention is to solve the above-mentioned technical problems, eliminating the drawbacks of the cited background art, by providing a device that makes it possible to obtain a vacuum packaging or a compensated vacuum packaging of technical products or food products such as sliced meats, meat, portioned cheeses, trays that contain food and non-food products, thus making it possible to optimize the gas inside the pouch so that uniformly inflated pouches or packages are obtained.
  • an object of the present solution is to provide a device that can be used even by an operator who is not specially trained in the adjustments of format changes.
  • Another object is to provide a device that allows the optimum insertion of the tray in the single-folded film, previously heat-sealed and cut on the transverse side.
  • Another object is to provide a device that allows the optimum insertion of the tray in the pouch, thus avoiding machine downtimes and lost time for cleaning it.
  • Another object is to provide a device that adds to the preceding characteristics that of being structurally simple, reliable and safe in use.
  • a packaging device particularly for manually or automatically packaging trays containing food products or technical materials which can be inserted, by means of a loading platform, between longitudinally folded parts of a single-folded film and comprising means for thermal bonding or heat-sealing for sealing, and at least one nozzle for producing a vacuum and/or for introducing the gas or mixture, and a vacuum chamber, characterized in that said single-folded film is fixed and said vacuum chamber is movable transversely to the direction of insertion of said trays and comprises at least one presser, movable over said single-folded film, which is forced on top of said trays and is provided with means adapted to convey the streams of air and/or gas, the return of air into said vacuum chamber occurring by means of a series of holes provided between a transverse heat-sealing bar, which constitutes said thermal bonding means, and the wall of said vacuum chamber that is parallel thereto.
  • the reference numeral 1a designates the packaging device particularly for technical materials or food products, which are designated by the reference numeral 2.
  • the device la comprises a bell-shaped vacuum chamber, designated by the reference numeral 3, which is essentially constituted by a lower container 4 and by an upper lid 5, which can be closed; bands or gaskets 6 for airtightness are arranged perimetrically to the container 4 and the lid 5.
  • the device uses a single-folded film 7, which thus has a first longitudinal side 8 which is closed and a second longitudinal side 9 which is open.
  • An L-shaped first heat-sealing bar 10 is arranged within the bell-shaped vacuum chamber 3, with one side adjacent to the inlet 11 of the food product; an essentially L-shaped cutting blade (not shown) is arranged laterally adjacent to the first heat-sealing bar 10 and the lines of the L are arranged respectively parallel to and at right angles to the first heat-sealing bar 10.
  • the technical materials or food products 2 are stored inside an adapted tray 12, which is placed at a loading platform 13, which is conveniently motorized or movable on suitable means such as, for example, a roller bed.
  • the single-folded film 7 is kept open by virtue of the presence of a pair of supports 14a, 14b, between which the loading platform 13 is interposed; this pair of supports 14a, 14b can be moved mutually closer by means of a suitable handwheel 15 which is adapted to adjust their mutual position.
  • the device 1a comprises at least one means that is adapted to draw the single-folded film 7, this means being constituted by a suitable motor 16 which actuates a roller 17 which cooperates with a complementary roller 18, the single-folded film 7 being made to pass between these rollers.
  • the motor 16, the roller 17 and the complementary roller 18 are supported by a suitable arm, which protrudes from a suitable fixed footing 19.
  • the pair of supports 14a, 14b and the handwheel 15, as well as the loading platform 13, are also fixed with respect to the footing 19, so that the single-folded film 7, during its use, can only slide along an axis that is the axis of the loading platform 13, but it is fixed with respect to other possible movements.
  • the vacuum chamber 3 however can be moved along an axis that is transverse to the direction of advancement of the single-folded film 7, which coincides with the direction of insertion of the tray 12.
  • the vacuum bell 3 is arranged inside a suitable frame 20 constituted by a pair of uprights 21 a, 21b and a pair of crossmembers 22a, 22b, the latter supporting a pair of first cylinders 23a, 23b adapted to move the upper lid 5 and a guide 24 adapted to allow the sliding of the frame 20 at a suitable complementary guide 25 which is integral with the footing 19.
  • a raised shelf 26 is provided inside the lower container 4, adjacent to the end of the loading platform 13, and is adapted to support the tray 12 inside the vacuum bell 3.
  • a pair of third cylinders 29a, 29b and a pair of fourth cylinders 30a, 30b are also arranged at the outer surface of the upper lid 5, are arranged along mutually perpendicular directions and are adapted to actuate a second heat-sealing bar 31, which is arranged mirror-symmetrically with respect to the first heat-sealing bar 10.
  • the presser 27 is provided with means adapted to convey the streams of air and/or gas, these means being constituted by a plurality of ribs 32 which protrude from it in the direction of the tray 12 and are arranged transversely to the direction of advancement of the single-folded film 7.
  • These ribs 32 are preferably made of rubber, so as to be able to adhere at the edges 33 of the tray 12, thus defining channels 34 adapted to allow the passage of the air and/or gas.
  • the presser 27 moves jointly with the opening and closing of the bell-shaped vacuum chamber 3.
  • the shape and function of the presser 27 make it possible to better create the vacuum inside the package 35 and allow a better and more constant introduction of the gas inside it.
  • the movement of the presser makes it possible to adapt to the height of the tray 12 and prevents, during the introduction of the gas, the corner 36 of the package 35, which inflates like a balloon, from reaching the upper level of the tray 12: thus having a visible heat seal 37 on the upper window of the package 35 is avoided, thus avoiding a very poor aesthetic appearance that can however be observed in the background art.
  • the packaging device is further constituted by means adapted to convey the streams of air and/or gas, these means being constituted by a nozzle 38, which is integral with the bell-shaped vacuum chamber 3 and is accommodated hermetically within a box-like appendage 39 provided in two half-shells which protrude laterally to the bell-shaped vacuum chamber 3 along an axis which is perpendicular to the axis of advancement of the single-folded film.
  • the single-folded film 7 is trapped, with the free end 40 of the second longitudinal side 9, which is open, trapped above and below the nozzle, forcing the gas, when it is introduced, to enter the bag that constitutes the package 35, flushing the inside to then flow out into the bell-shaped vacuum chamber 3.
  • the force of the cylinders that keep the bell-shaped vacuum chamber 3 closed is greater than the force of the heat-sealing cylinders, and the frame 20 that supports them is shaped like a closed cage.
  • the device comprises, moreover, a plurality of holes 41 for the return of air into the bell-shaped vacuum chamber 3, in order to return it to atmospheric pressure following the heat-sealing of the package 35.
  • These holes 41 are provided between the first heat-sealing bar 10 and the adjacent wall 42 of the bell-shaped vacuum chamber 3.
  • the reference numeral 1b designates the device for packaging particularly technical materials or food products, which are designated by the reference numeral 2.
  • the device 1b comprises a bell-shaped vacuum chamber, designated by the reference numeral 3, which is essentially constituted by a lower container 4 and by an upper lid 5, which can be closed; bands or gaskets 6 for airtightness are arranged perimetrically to the container 4 and to the lid 5.
  • the device uses a single-folded film 7, which thus has a first longitudinal side 8 which is closed and a second longitudinal side 9 which is open.
  • a first transverse heat-sealing bar 10a is located in proximity to the inlet of the bell-shaped vacuum chamber 3 and, more precisely, inside it, with one side adjacent to the inlet 11 of the food product; a cutting blade (not shown) is arranged laterally adjacent to the first transverse heat-sealing bar 10a.
  • the technical materials or food products 2 can be stored inside a suitable tray 12, which is arranged at a loading platform 13, which is conveniently motorized or movable on suitable means such as, for example, a roller bed.
  • the technical materials or food products 2 may be arranged directly on the loading platform 13 so as to provide packaging directly without the tray 12.
  • the single-folded film 7 is kept open by virtue of the presence of a pair of supports 14a, 14b, between which the loading platform 13 is interposed, the pair of supports 14a, 14b being movable mutually closer by means of a suitable handwheel 15 adapted to adjust their mutual position.
  • the device 1b further comprises at least one means that is adapted to draw the single-folded film 7, this means being constituted by a suitable motor 16, which actuates a roller 17 which cooperates with a complementary roller 18, the single-folded film 7 being made to pass between these rollers.
  • the motor 16, the roller 17 and the complementary roller 18 are supported by a suitable arm, which protrudes from a suitable fixed footing 19.
  • the pair of supports 14a, 14b and the handwheel 15, as well as the loading platform 13, are fixed with respect to the footing 19, so that the single-folded film 7, during its use, can only slide along an axis which is the axis of the loading platform 13, but it is fixed with respect to other possible movements.
  • the vacuum chamber 3 however can be moved along an axis which is transverse to the direction of advancement of the single-folded film 7, which coincides with the direction of insertion of the tray 12.
  • the vacuum bell 3 is arranged inside a suitable frame 20 constituted by a pair of uprights 21 a, 21 b and by a pair of crossmembers 22a, 22b, the latter supporting a pair of first cylinders 23a, 23b, which are adapted to move the upper lid 5, and a guide 24, which is adapted to allow the sliding of the frame 20 at a suitable complementary guide 25 which is integral with the footing 19.
  • a raised shelf 26 is provided inside the lower container 4, adjacent to the end of the loading platform 13, and is adapted to support the tray 12 inside the vacuum bell 3.
  • the single-folded film 7 can remain stationary and the bell-shaped vacuum chamber 3 moves with respect to the single-folded film 7.
  • first transverse heat-sealing bar 10a and the second transverse heat-sealing bar 31a can be arranged outside the bell-shaped vacuum chamber 3.
  • first longitudinal heat-sealing bar 10b Inside the bell-shaped vacuum chamber 3 there is a first longitudinal heat-sealing bar 10b, so as to correspond to the open longitudinal side 9 of the single-folded film 7 of the food product, so as to be able to intersect the heat seals performed by the transverse heat-sealing bars 10a.
  • a cutting blade Laterally adjacent to the first longitudinal heat-sealing bar 10b there is a cutting blade, and at the outer surface of the lid 5 there is a pair of fourth cylinders 30a, 30b adapted to actuate a second longitudinal heat-sealing bar 31 b, which is arranged mirror-symmetrically with respect to the first longitudinal heat-sealing bar 10b.
  • the presser 27 is provided with means adapted to convey the streams of air and/or gas, these means being constituted by a plurality of ribs 32 which protrude therefrom in the direction of the tray 12 and are arranged transversely to the direction of advancement of the single-folded film 7.
  • These ribs 32 are preferably made of rubber so as to be able to adhere at the edges 33 of the tray 12, defining channels 34 adapted to allow the passage of the air and/or gas.
  • the presser 27 moves advantageously jointly with the opening and closing of the bell-shaped vacuum chamber 3.
  • the shape and function of the presser 27 makes it possible to better obtain the vacuum inside the package 35 and allows a better and more constant introduction of the gas inside it.
  • the movement of the presser makes it possible to adapt to the height of the tray 12 and prevents, during the introduction of the gas, the corner 36 of the package 35, which inflates like a balloon, from reaching the upper level of the tray 12: thus having a visible heat seal 37 on the upper window of the package 35 is avoided, thus avoiding a poor aesthetic appearance, which can be observed in the background art.
  • the packaging device is further constituted by means adapted to convey the streams of air and/or gas, these means being constituted by a nozzle 38, which is integral with the bell-shaped vacuum chamber 3 and is accommodated hermetically within a box-like appendage 39 provided in two half-shells which protrude laterally to the bell-shaped vacuum chamber 3 along an axis which is perpendicular to the axis of advancement of the single-folded film.
  • the single-folded film 7 is trapped, with the free end 40 of the second longitudinal side 9 which is open, trapped above and below the nozzle, thus forcing the gas, when it is introduced, to enter the bag that constitutes the package 35, flushing the inside to then flow out into the bell-shaped vacuum chamber 3.
  • the force of the cylinders that keep closed the bell-shaped vacuum chamber 3 is greater than the force of the heat-sealing cylinders, and the frame 20 that supports them is shaped like a closed cage.
  • the device comprises, moreover, a plurality of holes 41 for the return of air into the bell-shaped vacuum chamber 3, in order to return it to atmospheric pressure after the heat-sealing of the package 35.
  • These holes 41 are provided between the first heat-sealing transversal bar 10a and the adjacent wall 42 of the bell-shaped vacuum chamber 3.
  • the invention has achieved the set aim and objects, a device having being devised which, using a single-folded film, makes it possible to obtain a vacuum or modified-atmosphere package in which the gas inside the bag or pouch that constitutes the package is optimized, so that the packages are uniformly inflated, also making it possible to perform the vacuum operation on multiple trays at the same time.
  • the possibility to move the bell-shaped vacuum chamber 3 makes it possible to modify the size of the bag or pouch that constitutes the package 35 quickly and easily, since the operator in this case only has to move the position of the frame 20 and thus also the complex of elements associated with the bell-shaped vacuum chamber 3 as a function of the width of the tray 12 to be packaged, and this without touching anything else, with the consequence of having almost nil downtimes.
  • the device can be controlled by suitable mechanical and/or electronic means for predetermining the desired position of the frame 20 in one or more preset points, so that for each type of package 35 it is possible to set, for example by means of a computer, the position of the frame 20 automatically as the package that arrives on the loading platform 13 varies.
  • the device can thus be used also by an operator who is not particularly trained in the adjustments of format changes and it allows the optimum insertion of the tray in the single-folded film, previously sealed and cut on the transverse side, thus allowing the optimum insertion of the tray in the bag and avoiding machine downtimes and lost time for its cleaning.
  • the device is structurally simple, reliable and safe in use.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Vacuum Packaging (AREA)

Claims (29)

  1. Eine Verpackungsvorrichtung (1a, 1b), insbesondere zum manuellen oder automatischen Verpacken von Ablagen, die Lebensmittel oder technische Materialien enthalten, die mit Hilfe einer Beladungsplattform (13) zwischen längs gefaltete Teile einer einfach gefalteten Folie (7) eingeführt werden können, wobei die Verpackungsvorrichtung zum Verschließen Mittel zum thermischen Bonden oder Heißabdichten und mindestens eine Düse zur Erzeugung eines Vakuums und/oder Einleiten des Gases oder Gemisches sowie eine Vakuumkammer (3) enthält, dadurch gekennzeichnet, dass die einfach gefaltete Folie (7) befestigt wird und die Vakuumkammer (3) schräg in Förderrichtung der Ablagen (12) beweglich ist und mindestens eine Pressvorrichtung umfasst, die über die einmal gefaltete Folie (7) bewegt werden kann und die auf die Oberseite der Ablagen (12) aufgedrückt wird und mit Mitteln versehen ist, die geeignet sind, den Luft- und/oder Gasstrom zu leiten, wobei die Rückführung der Luft in die Vakuumkammer (3) durch eine Reihe von Öffnungen stattfindet, die zwischen einer schrägen Heißabdichtungsleiste, die die Mittel zum thermischen Bonden bildet, und der Wand der Vakuumkammer vorgesehen sind, die parallel zu dieser verläuft.
  2. Die Vorrichtung (1a) nach Anspruch 1, dadurch gekennzeichnet, dass die Vakuumkammer eine glockenförmige Vakuumkammer (3) ist, die durch einen unteren Behälter (4) und einen verschließbaren oberen Deckel (5), Bänder oder Dichtungen (6) gebildet wird, durch die eine Luftundurchlässigkeit am Umkreis des Behälters (4) und des Deckels (5) entsteht, wobei die einmal gefaltete Folie (7) eine erste Längsseite (8) hat, die geschlossen ist, und eine zweite Längsseite (9), die offen ist, wobei die einmal gefaltete Folie (7) durch das Vorhandensein eines Trägerpaars (14a, 14b) offen gehalten wird, zwischen denen die Beladungsplattform (13), angetrieben oder auf Mitteln beweglich, angeordnet ist, wobei die Träger des Trägerpaars (14, 14a) mittels eines Handrads (15) näher zueinander bewegt werden können, so dass ihre Position zueinander eingestellt werden kann.
  3. Die Vorrichtung (1a) nach den Ansprüchen 1 und 2, dadurch gekennzeichnet, dass sie mindestens ein Mittel umfasst, um die einmal gefaltete Folie (7) zu ziehen, wobei die Mittel durch einen Motor (16) gebildet werden, der eine Rolle (17) antreibt, die mit einer komplementären Rolle (18) zusammenwirkt, wobei die einmal gefaltete Folie (7) zwischen den Rollen hindurchgeführt wird, wobei der Motor (16), die Rolle (17) und die komplementäre Rolle (18) durch einen Arm getragen werden, der aus einer festen Basis (19) ragt, mit der das Trägerpaar (14a, 14b), das Handrad (15) und die Beladungsplattform (13) ebenfalls verbunden sind.
  4. Die Vorrichtung (1a) nach einem der Ansprüche 1 und 2, dadurch gekennzeichnet, dass die glockenförmige Vakuumkammer (3) entlang einer Achse bewegt wird, die quer zur Förderrichtung der einmal gefalteten Folie (7) ist, die mit der Einsetzrichtung einer Ablage (12), die geeignet ist, technische Materialien oder Lebensmittel (2) zu enthalten, übereinstimmt.
  5. Die Vorrichtung (1a) nach den Ansprüchen 1 und 4, dadurch gekennzeichnet, dass die glockenförmige Vakuumkammer (3) innerhalb eines Rahmens (20), der aus einem Ständerpaar (21a, 21b) und einem Paar aus Querstreben (22a, 22b) gebildet ist, angeordnet ist, wobei die Querstreben jeweils ein erstes Zylinderpaar (23a, 23b) tragen, das geeignet ist, den oberen Deckel (5) und eine Führung (24) zu bewegen, die geeignet sind, den Rahmen (20) an einer komplementären Führung (25) zu schieben, die in die Basis (19) integriert ist.
  6. Die Vorrichtung (1a) nach den Ansprüchen 1 und 2, dadurch gekennzeichnet, dass im unteren Behälter (4) eine erhöhte Platte (26) vorgesehen ist, die sich am Ende der Beladungsplattform (13) befindet und geeignet ist, die Ablage (12) in der glockenförmigen Vakuumkammer (3) zu tragen, wobei am oberen Deckel (5) mindestens eine Pressvorrichtung (27) angeordnet ist, die mittels eines zweiten Zylinderpaars (28a, 28b) bewegbar ist, wobei diese Zylinder außen in einem Bereich, der sich angrenzend zu den oberen Querstreben (22a) befindet, mit dem oberen Deckel (5) verbunden sind.
  7. Die Vorrichtung (1a) nach einem oder mehreren der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass sie eine erste Heißabdichtungsleiste (10) umfasst, die L-förmig und innerhalb der glockenförmigen Vakuumkammer (3) angeordnet ist, wobei sich ein Ende an der Einlassöffnung (11) für das Lebensmittel befindet, wobei ein Schneidmesser seitlich an der ersten Heißabdichtungsleiste (10), ein drittes Zylinderpaar (29a, 29b) und ein viertes Zylinderpaar (30a, 30b) an der Außenfläche des oberen Deckels (5) und entlang zueinander senkrechten Richtungen angeordnet und geeignet sind, eine zweite Heißabdichtungsleiste (3 1) zu betätigen, die spiegelsymmetrisch zur ersten Heißabdichtungsleiste (10) angeordnet ist.
  8. Die Vorrichtung (1a) nach den Ansprüchen 1 und 7, dadurch gekennzeichnet, dass die Pressvorrichtung (27) mit Mitteln versehen ist, die geeignet sind, die Luft- und/oder Gasströme zu leiten, wobei die Mittel durch eine Vielzahl von Rippen (32) gebildet sind, die aus der Pressvorrichtung (27) in Richtung der Ablage (12) herausragen und quer in Förderrichtung zu der einmal gefalteten Folie (7) angeordnet sind, wobei die Rippen (32) aus Gummi sind, so dass sie an den Kanten (33) der Ablage (12) haften können und Kanäle (34) definieren, die geeignet sind, den Durchtritt von Luft und/oder Gas zu ermöglichen.
  9. Die Vorrichtung (1a) nach den Ansprüchen 1 und 8, dadurch gekennzeichnet, dass sich die Pressvorrichtung (27) gleichzeitig mit dem Öffnen und Schließen der glockenförmigen Vakuumkammer (3) bewegt.
  10. Die Vorrichtung (1a) nach einem oder mehreren der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass sie Mittel umfasst, die geeignet sind, den Luft- und/oder Gasstrom zu leiten, wobei die Mittel durch eine Düse (38) gebildet sind, die einstückig mit der glockenförmigen Vakuumkammer (3) gebildet und hermetisch innerhalb eines boxähnlichen Fortsatzes (39) aufgenommen ist, der durch zwei Halbschalen gebildet ist, die seitlich aus der glockenförmigen Vakuumkammer (3) entlang einer Achse ragen, die senkrecht zur Förderachse der einmal gefalteten Folie ist.
  11. Die Vorrichtung (1a) nach den Ansprüchen 1 und 2, dadurch gekennzeichnet, dass sie eine Vielzahl von Öffnungen (41) für die Rückführung der Luft in die glockenförmige Vakuumkammer (3) umfasst, damit die Luft nach dem Heißabdichten der Verpackung (35) wieder auf einen atmosphärischen Druck zurückgeführt wird, wobei die Vielzahl der Öffnungen zwischen der ersten Heißabdichtungsleiste (10) und der angrenzenden Wand (42) der glockenförmigen Vakuumkammer (3) vorgesehen ist.
  12. Die Vorrichtung (1a) nach einem oder mehreren der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass sie durch mechanische und/oder elektronische Mittel zur Vorbestimmung der gewünschten Position des Rahmens (20) in einem oder mehreren voreingestellten Punkten gesteuert wird, so dass es für jede Verpackungsart (35) möglich ist, mit Hilfe eines Computers die Position des Rahmens (20) automatisch einzustellen, wenn die auf der Beladungsplattform (13) ankommende Einheit variiert.
  13. Die Vorrichtung (1a) nach einem oder mehreren der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Rahmen (20) hinsichtlich der Förderrichtung der einmal gefalteten Folie (7) auch quer verschiebbar ist.
  14. Die Vorrichtung (1b) nach Anspruch 1, umfassend eine Beladungsplattform (13) die eine einmal gefaltete Folie (7) trägt, die mindestens zwei Teile definiert, die längs gefaltet sind, um Ablagen (12), die Nahrungsmittel und technische Materialien (2) enthalten, aufzunehmen, wobei Mittel zum thermischen Bonden oder Heißabdichten enthalten sind, die geeignet sind, die gefalteten Teile der einmal gefalteten Folie (7) in Bezug auf die Ablagen (12) peripher zu verschließen, und mindestens eine Düse (38), die geeignet ist, ein Vakuum zu erzeugen und/oder ein Gas oder ein Gemisch in eine Vakuumkammer (3) einzuleiten, in der die Ablagen (12) aufgenommen sind, die zwischen den gefalteten Teilen der einmal gefalteten Folie (7) eingeführt werden, so dass die einmal gefaltete Folie (7) und die Vakuumkammer (3) quer zueinander in Förderrichtung der Ablagen (12) in die Vakuumkammer (3) beweglich sind, dadurch gekennzeichnet, dass die Mittel zum thermischen Bonden oder Heißabdichten eine Vielzahl von unabhängigen Heißabdichtungsleisten (10a, 31 a, 10b, 32b) umfassen, von denen mindestens eine quer und mindestens eine in Längsrichtung zur Förderrichtung der einmal gefalteten Folie (7) ist.
  15. Die Vorrichtung (1b) nach Anspruch 14, dadurch gekennzeichnet, dass die Vakuumkammer (3) glockenförmig ist und mit einem unteren Behälter (4) und einem oberen Deckel (5) versehen ist, der auf dem Behälter (4) geschlossen werden kann, wobei für die Luftundurchlässigkeit zwischen dem Behälter (4) und dem Deckel (5) Bänder oder Dichtungen (6) umlaufend eingesetzt werden.
  16. Die Vorrichtung (1b) nach einem oder mehreren der Ansprüche 14 und 15, dadurch gekennzeichnet, dass sie ein Trägerpaar (14a, 14b) umfasst, wobei die Träger mittels eines Handrads (15) näher zueinander bewegt werden können, so dass ihre Position zueinander eingestellt werden kann, um die einmal gefaltete Folie (7) zu öffnen, wobei die Beladungsplattform (13) zwischen dem Trägerpaar (14a, 14b) angeordnet ist und die einmal gefaltete Folie (7) eine erste Längsseite (8) hat, die geschlossen ist, und eine zweite Längsseite (9), die offen ist.
  17. Die Vorrichtung (1b) nach einem oder mehreren der Ansprüche 14 bis 16, dadurch gekennzeichnet, dass sie mindestens Motormittel (16) umfasst, die geeignet sind, die einmal gefaltete Folie (7) zu ziehen und eine Rolle (17) anzutreiben, die mit einer komplementären Rolle (18) zusammenwirkt, wobei die einmal gefaltete Folie (7) zwischen den Rollen hindurchgeführt wird, wobei die Motormittel (16), die Rolle (17) und die komplementäre Rolle (18) durch einen Arm getragen werden, der aus einer festen Basis (19) ragt, mit der das Trägerpaar (14a, 14b), das Handrad (15) und die Beladungsplattform (13) verbunden sind.
  18. Die Vorrichtung (1b) nach einem oder mehreren der Ansprüche 14 bis 17, dadurch gekennzeichnet, dass die Vakuumkammer (3) innerhalb eines Rahmens (20) angeordnet ist, der aus einem Ständerpaar (21a, 21b) und einem Paar aus Querstreben (22a, 22b) gebildet ist, angeordnet ist, wobei die Querstreben jeweils ein erstes Zylinderpaar (23a, 23b) tragen, das geeignet ist, den oberen Deckel (5) und eine Führung (24) zu bewegen, die geeignet ist, den Rahmen (20) an einer Führung (25) entlang gleiten zu lassen, die in die Basis (19) integriert ist.
  19. Die Vorrichtung (1b) nach einem oder mehreren der Ansprüche 14 bis 18, dadurch gekennzeichnet, dass sich die Vakuumkammer (3) entlang einer Achse, die im Wesentlichen quer zur Förderrichtung der einmal gefalteten Folie (7) ist, bewegen kann, wobei die Achse, die im Wesentlichen eine Querachse ist, mit der Einsetzrichtung der Ablagen (12) übereinstimmt.
  20. Die Vorrichtung (1b) nach einem oder mehreren der Ansprüche 14 bis 19, dadurch gekennzeichnet, dass sie mindestens eine Pressvorrichtung (27) umfasst, die oberhalb einer einmal gefalteten Folie (7) bewegt werden kann und die Ablagen (12) in einem oberen Bereich fassen kann und die mit Mitteln versehen ist, um den Luft- und/oder Gasstrom zu leiten.
  21. Die Vorrichtung (1b) nach einem oder mehreren der Ansprüche 14 bis 20, dadurch gekennzeichnet, dass die Mittel, die geeignet sind, den Luft- und/oder Gasstrom zu leiten, eine Vielzahl von Rippen (32) umfassen, die in Richtung der Ablage (12) herausragen und quer zur Förderrichtung der einmal gefalteten Folie (7) angeordnet sind, wobei die Rippen (32) aus Gummi sind, so dass sie an den Kanten (33) der Ablage (12) haften, um eine Vielzahl von Kanälen (34) zu definieren, die geeignet sind, den Durchtritt von Luft und/oder Gas zu ermöglichen.
  22. Die Vorrichtung (1b) nach einem oder mehreren der Ansprüche 14 bis 21, dadurch gekennzeichnet, dass sich im Inneren des Behälters (4) am Ende der Beladungsplattform (13) eine erhöhte Platte (26) befindet, die geeignet ist, die Ablage (12) in der Vakuumkammer (3) zu tragen, wobei die Pressvorrichtung (27) innen am Deckel (5) angeordnet ist und mit Hilfe eines zweiten Zylinderpaars (28a, 28b) bewegbar ist, wobei die Zylinder außen in einem Bereich, der an die Querstreben (22a) angrenzt, mit dem Deckel (5) verbunden sind.
  23. Die Vorrichtung (1b) nach einem oder mehreren der Ansprüche 14 bis 22, dadurch gekennzeichnet, dass sich die Pressvorrichtung (27) gleichzeitig mit dem Öffnen und Schließen der glockenförmigen Vakuumkammer (3) bewegen kann.
  24. Die Vorrichtung (1b) nach einem oder mehreren der Ansprüche 14 bis 23, dadurch gekennzeichnet, dass sie mindestens eine Düse (38) umfasst, die einstückig mit der Vakuumkammer (3) verbunden ist, wobei die mindestens eine Düse (38) hermetisch innerhalb eines boxähnlichen Fortsatzes (39) aufgenommen ist, der durch zwei Halbschalen gebildet ist, die seitlich an der Vakuumkammer (3) entlang einer Achse hervorragen, die senkrecht zur Förderachse der einmal gefalteten Folie (7) ist.
  25. Die Vorrichtung (1b) nach einem oder mehreren der Ansprüche 14 bis 24, dadurch gekennzeichnet, dass sie eine erste Quer-Heißabdichtungsleiste (10a) umfasst, die sich in der Nähe der Einlassöffnung (11) der Vakuumkammer (3) befindet, wobei sich seitlich an der ersten Quer-Heißabdichtungsleiste (10a) ein Schneidmesser, an der Außenfläche des Deckels (5) ein drittes Zylinderpaar (29a, 29b) befindet, das geeignet ist, eine zweite Quer-Heißabdichtungsleiste (31a) zu betätigen, die spiegelsymmetrisch zur ersten Quer-Heißabdichtungsleiste (10a) angeordnet ist.
  26. Die Vorrichtung (1b) nach einem oder mehreren der Ansprüche 14 bis 25, dadurch gekennzeichnet, dass sie eine erste Längs-Heißabdichtungsleiste (10b) umfasst, die sich innerhalb der Vakuumkammer (3) befindet, um mit der offenen Längsseite (9) der einmal gefalteten Folie (7) des Nahrungsmittels zu korrespondieren, wobei seitlich an der ersten Längs-Heißabdichtungsleiste (10b) ein Schneidmesser angeordnet ist, an der Außenfläche des Deckels (5) sich ein viertes Zylinderpaar (30a, 30b) befindet, das geeignet ist, eine zweite Längs-Heißabdichtungsleiste (31b) zu betätigen, die spiegelsymmetrisch zur ersten Längs-Heißabdichtungsleiste (10b) angeordnet ist.
  27. Die Vorrichtung (1b) nach einem oder mehreren der Ansprüche 14 bis 26, dadurch gekennzeichnet, dass sie eine Vielzahl von Öffnungen (41) für die Rückführung der Luft in die Vakuumkammer (3) umfasst, um die Luft nach dem Heißabdichten der Verpackung (35) wieder auf einen atmosphärischen Druck zu bringen, wobei die Vielzahl der Öffnungen (41) zwischen der ersten Quer-Heißabdichtungsleiste (10a) und der angrenzenden Wand (42) der glockenförmigen Vakuumkammer (3) vorgesehen ist.
  28. Die Vorrichtung (1b) nach einem oder mehreren der Ansprüche 14 bis 27, dadurch gekennzeichnet, dass sie durch geeignete mechanische und/oder elektronische Mittel zur Vorbestimmung der gewünschten Position des Rahmens (20) in einem oder mehreren voreingestellten Punkten gesteuert wird, so dass es für jede Verpackungsart (35) möglich ist, mit Hilfe eines Computers die Anordnung des Rahmens (20) automatisch einzustellen, wenn die auf der Beladungsplattform (13) ankommende Verpackung variiert.
  29. Die Vorrichtung (1b) nach einem oder mehreren der Ansprüche 14 bis 28, dadurch gekennzeichnet, dass der Rahmen (20) hinsichtlich der Förderrichtung der einmal gefalteten Folie (7) auch quer verschiebbar ist.
EP11700550.4A 2010-02-19 2011-01-18 Vorrichtung zum vakuum-verpacken, insbesondere von lebensmitteln Not-in-force EP2536637B1 (de)

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Application Number Priority Date Filing Date Title
ITTV2010A000019A IT1398114B1 (it) 2010-02-19 2010-02-19 Dispositivo per il confezionamento sottovuoto, particolarmente di prodotti alimentari
ITTV2010A000117A IT1401384B1 (it) 2010-08-06 2010-08-06 Dispositivo perfezionato per il confezionamento sottovuoto, particolarmente di prodotti alimentari e materiali tecnici.
PCT/EP2011/050621 WO2011101190A1 (en) 2010-02-19 2011-01-18 Device for vacuum packaging, particularly of food products

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EP2536637A1 EP2536637A1 (de) 2012-12-26
EP2536637B1 true EP2536637B1 (de) 2013-12-18

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CN102803077A (zh) 2012-11-28
ES2452516T3 (es) 2014-04-01
CO6571859A2 (es) 2012-11-30
RU2012140012A (ru) 2014-03-27
US20120297729A1 (en) 2012-11-29
WO2011101190A1 (en) 2011-08-25
EP2536637A1 (de) 2012-12-26
CN102803077B (zh) 2014-11-19
RU2546227C2 (ru) 2015-04-10

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