EP2536637B1 - Dispositif d'emballage sous vide, en particulier de produits alimentaires - Google Patents

Dispositif d'emballage sous vide, en particulier de produits alimentaires 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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Not-in-force
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EP11700550.4A
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German (de)
English (en)
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EP2536637A1 (fr
Inventor
Mauro Scolaro
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Extru SA
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Extru SA
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Publication date
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/fr
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Publication of EP2536637B1 publication Critical patent/EP2536637B1/fr
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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. Dispositif d'emballage (1a, 1b), particulièrement pour emballer manuellement ou automatiquement des plateaux contenant des produits alimentaires ou des matériaux techniques qui peuvent être insérés, au moyen d'une plateforme de chargement (13), entre les parties pliées longitudinalement d'un film à pliage unique (7) et comportant des moyens pour le thermocollage ou le thermoscellage pour le scellage, et au moins une buse pour produire un vide et/ou introduire le gaz ou le mélange, et une chambre à vide (3), caractérisé en ce que ledit film à pliage unique (7) est fixe et ladite chambre à vide (3) est mobile transversalement à la direction d'insertion desdits plateaux (12) et comprend au moins un presseur, mobile au-dessus dudit film à pliage unique (7), qui est forcé sur lesdits plateaux (12) et qui est pourvu de moyens conçus pour transporter les flux d'air et/ou de gaz, le retour d'air dans ladite chambre à vide (3) se produisant au moyen d'une série de trous prévus entre une bar de thermoscellage transversale, constituant lesdits moyens de thermocollage, et la paroi de ladite chambre à vide qui est parallèle à celle-ci.
  2. Dispositif (1a) selon la revendication 1, caractérisé en ce que ladite chambre à vide est une chambre à vide (3) en forme de cloche constituée par un contenant inférieur (4) et par un couvercle supérieur (5) pouvant être fermé, des bandes ou des joints (6) conçus pour l'étanchéité à l'air étant prévus au niveau du périmètre dudit contenant (4) et dudit couvercle (5), ledit film à pliage unique (7) ayant un premier côté longitudinal (8) qui est fermé et un deuxième côté longitudinal (9) qui est ouvert, ledit film à pliage unique (7) étant maintenu ouvert par la présence d'une paire de supports (14a, 14b) entre lesquels ladite plateforme de chargement (13), motorisée ou mobile sur des moyens, est interposée, ladite paire de supports (14a, 14b) pouvant être rapprochés mutuellement au moyen d'un volant (15) conçu pour ajuster leurs positions mutuelles.
  3. Dispositif (1a) selon les revendications 1 et 2, caractérisé en ce qu'il comporte au moins un moyen conçu pour tirer ledit film à pliage unique (7), ledit moyen étant constitué par un moteur (16) qui actionne un rouleau (17) qui coopère avec un rouleau complémentaire (18), ledit film à pliage unique (7) étant amené à passer entre lesdits rouleaux, ledit moteur (16), ledit rouleau (17) et ledit rouleau complémentaire (18) étant supportés par un bras, qui fait saillie d'un pied (19) fixe, avec lequel ladite paire de supports (14a, 14b), ledit volant (15) et ladite plateforme de chargement (13) sont également associés.
  4. Dispositif (1a) selon les revendications 1 et 2, caractérisé en ce que ladite chambre à vide (3) en forme de cloche est déplacée le long d'un axe qui est transversal à la direction d'avance dudit film à pliage unique (7), qui coïncide avec la direction d'insertion d'un plateau (12) qui est conçu pour contenir lesdits matériaux techniques ou produits alimentaires (2).
  5. Dispositif (1a) selon les revendications 1 et 4, caractérisé en ce que ladite chambre à vide (3) en forme de cloche est agencée à l'intérieur d'un cadre (20) constitué par une paire de montants (21a, 21b) et par une paire de traverses (22a, 22b), lesdites traverses supportant respectivement une paire de premiers vérins (23a, 23b) conçus pour déplacer ledit couvercle supérieur (5) et un guide (24) conçu pour permettre le coulissement dudit cadre (20) au niveau d'un guide complémentaire (25) qui est d'un seul tenant avec ledit pied (19).
  6. Dispositif (1a) selon les revendications 1 et 2, caractérisé en ce qu'une étagère surélevée (26) est prévue à l'intérieur dudit contenant inférieur (4), laquelle est adjacente à l'extrémité de ladite plateforme de chargement (13), et est conçue pour supporter ledit plateau (12) à l'intérieur de ladite chambre à vide (3) en forme de cloche, au moins un presseur (27) étant agencé à l'intérieur dudit couvercle supérieur (5), lequel peut être déplacé au moyen d'une paire de deuxièmes vérins (28a, 28b), qui sont extérieurement reliés conjointement audit couvercle supérieur (5) dans une région qui est adjacente à ladite traverse supérieure (22a).
  7. Dispositif (1a) selon une ou plusieurs des revendications précédentes, caractérisé en ce qu'il comporte une première barre de thermoscellage (10), en forme de L et agencée dans ladite chambre à vide (3) en forme de cloche, avec un côté adjacent à l'entrée (11) du produit alimentaire ; une lame de coupe étant agencée latéralement adjacente à ladite première barre de thermoscellage (10), une paire de troisièmes vérins (29a, 29b) et une paire de quatrièmes vérins (30a, 30b) étant agencés au niveau de la surface extérieure dudit couvercle supérieur (5) et étant agencés le long de directions mutuellement perpendiculaires et étant conçus pour actionner une deuxième barre de thermoscellage (31), qui est agencée avec une symétrie spéculaire par rapport à ladite première barre de thermoscellage (10).
  8. Dispositif (1a) selon les revendications 1 et 7, caractérisé en ce que ledit presseur (27) est pourvu de moyens conçus pour transporter les flux d'air et/ou de gaz, lesdits moyens étant constitués par une pluralité de nervures (32) qui font saillie de ceux-ci dans la direction dudit plateau (12) et qui sont agencées transversalement à la direction d'avance dudit film à pliage unique (7), lesdites nervures (32) étant constituées de caoutchouc, de manière à être capables d'adhérer aux bords (33) dudit plateau (12), définissant des canaux (34) conçus pour permettre le passage de l'air et/ou du gaz.
  9. Dispositif (1a) selon les revendications 1 et 8, caractérisé en ce que ledit presseur (27) se déplace conjointement avec l'ouverture et la fermeture de ladite chambre à vide (3) en forme de cloche.
  10. Dispositif (1a) selon une ou plusieurs des revendications précédentes, caractérisé en ce qu'il comporte des moyens conçus pour transporter les flux d'air et/ou de gaz, lesdits moyens étant constitués par une buse (38), qui est d'un seul tenant avec la chambre à vide (3) en forme de cloche et qui est logée hermétiquement dans un appendice (39) en forme de boîte réalisé par deux demi-coques qui font saillie latéralement de ladite chambre à vide (3) en forme de cloche le long d'un axe qui est perpendiculaire à l'axe d'avance dudit film à pliage unique.
  11. Dispositif (1a) selon les revendications 1 et 2, caractérisé en ce qu'il comporte une pluralité de trous (41) pour le retour de l'air dans ladite chambre à vide (3) en forme de cloche, pour la ramener à la pression atmosphérique à la suite du thermoscellage dudit emballage (35), ladite pluralité de trous étant prévus entre ladite première barre de thermoscellage (10) et la paroi (42) adjacente de ladite chambre à vide (3) en forme de cloche.
  12. Dispositif (1a) selon une ou plusieurs des revendications précédentes, caractérisé en ce qu'il est commandé par des moyens mécaniques et/ou électroniques pour déterminer au préalable la position souhaitée dudit cadre (20) en un ou plusieurs points prédéterminés, de sorte que, pour chaque type d'emballage (35), il soit possible d'établir, au moyen d'un ordinateur, la position dudit cadre (20) automatiquement alors que l'emballage qui arrive sur ladite plateforme de chargement (13) varie.
  13. Dispositif (1a) selon une ou plusieurs des revendications précédentes, caractérisé en ce que ledit cadre (20) est également mobile transversalement par rapport à la direction d'avance dudit film à pliage unique (7).
  14. Dispositif (1b) selon la revendication 1, comportant une plateforme de chargement (13) qui supporte un film à pliage unique (7) qui définit au moins deux parties qui sont pliées longitudinalement pour loger des plateaux (12) qui contiennent des produits alimentaires et des matériaux techniques (2), comprenant des moyens de thermocollage ou de thermoscellage qui sont conçus pour sceller lesdites parties pliées dudit film à pliage unique (7) au niveau de la périphérie desdits plateaux (12), et comprenant et au moins une buse (38) conçue pour réaliser un vide et/ou conçue pour introduire un gaz ou un mélange dans une chambre à vide (3) qui loge lesdits plateaux (12) insérés entre lesdites parties pliées dudit film à pliage unique (7), de sorte que ledit film à pliage unique (7) et ladite chambre à vide (3) soient mobiles l'un par rapport à l'autre transversalement à la direction d'insertion desdits plateaux (12) dans ladite chambre à vide (3), caractérisé en ce que lesdits moyens de thermocollage ou de thermoscellage comportent une pluralité de barres de thermoscellage (10a, 31a, 10b, 32b) indépendantes, au moins l'une d'elles étant transversale, au moins l'une d'elles étant longitudinale par rapport à la direction d'avance dudit film à pliage unique (7).
  15. Dispositif (1b) selon la revendication 14, caractérisé en ce que ladite chambre à vide (3) est en forme de cloche et est réalisée par un contenant inférieur (4) et par un couvercle supérieur (5), qui peut être fermé sur ledit contenant (4), des bandes ou des joints (6) pour l'étanchéité à l'air étant interposés au niveau du périmètre entre ledit contenant (4) et ledit couvercle (5).
  16. Dispositif (1b) selon une ou plusieurs des revendications 14 et 15, caractérisé en ce qu'il comporte une paire de supports (14a, 14b), qui peuvent être rapprochés mutuellement au moyen d'un volant (15) conçu pour ajuster leurs positions mutuelles afin d'ouvrir ledit film à pliage unique (7), ladite plateforme de chargement (13) étant interposée entre ladite paire de supports (14a, 14b), et ledit film à pliage unique (7) ayant un premier côté longitudinal (8) qui est fermé et un deuxième côté longitudinal (9) qui est ouvert.
  17. Dispositif (1b) selon une ou plusieurs des revendications 14 à 16, caractérisé en ce qu'il comporte au moins des moyens formant moteur (16) conçus pour tirer ledit film à pliage unique (7) et actionner un rouleau (17) qui coopère avec un rouleau complémentaire (18), ledit film à pliage unique (7) passant entre lesdits rouleaux, lesdits moyens formant moteur (16), ledit rouleau (17) et ledit rouleau complémentaire (18) étant supportés par un bras qui fait saillie d'un pied (19) fixe avec lequel ladite paire de supports (14a, 14b), ledit volant (15) et ladite plateforme de chargement (13) sont associés.
  18. Dispositif (1b) selon une ou plusieurs des revendications 14 à 17, caractérisé en ce que ladite chambre à vide (3) est agencée dans un cadre (20) constitué par une paire de montants (21a, 21b) et par une paire de traverses (22a, 22b), lesdites traverses supportant respectivement une paire de premiers vérins (23a, 23b) conçus pour déplacer ledit couvercle (5) et un guide (24) conçu pour permettre le coulissement dudit cadre (20) au niveau d'un guide (25) qui est d'un seul tenant avec ledit pied (19).
  19. Dispositif (1b) selon une ou plusieurs des revendications 14 à 18, caractérisé en ce que ladite chambre à vide (3) peut se déplacer le long d'un axe qui est sensiblement transversal à la direction d'avance dudit film à pliage unique (7), ledit axe sensiblement transversal coïncidant avec la direction d'insertion desdits plateaux (12).
  20. Dispositif (1b) selon une ou plusieurs des revendications 14 à 19, caractérisé en ce qu'il comporte au moins un presseur (27), qui peut se déplacer au-dessus dudit film à pliage unique (7), qui peut venir en prise avec lesdits plateaux (12) dans une région supérieure, et qui est pourvu de moyens conçus pour transporter les flux d'air et/ou de gaz.
  21. Dispositif (1b) selon une ou plusieurs des revendications 14 à 20, caractérisé en ce que lesdits moyens conçus pour transporter les flux d'air et/ou de gaz comprennent une pluralité de nervures (32) qui font saillie dans la direction dudit plateau (12) et qui sont agencées transversalement à la direction d'avance dudit film à pliage unique (7), lesdites nervures (32) étant constituées de caoutchouc afin d'adhérer aux bords (33) dudit plateau (12) de manière à définir une pluralité de canaux (34) conçus pour permettre le passage d'air et/ou de gaz.
  22. Dispositif (1b) selon une ou plusieurs des revendications 14 à 21, caractérisé en ce que, à l'intérieur dudit contenant (4), adjacente à l'extrémité de ladite plateforme de chargement (13), il y a une étagère surélevée (26), qui est conçue pour supporter ledit plateau (12) à l'intérieur de ladite chambre à vide (3), ledit presseur (27) étant agencé à l'intérieur dudit couvercle (5) et pouvant être déplacé au moyen d'une paire de deuxièmes vérins (28a, 28b), qui sont extérieurement reliés conjointement au dit couvercle (5) dans une région qui est adjacente à ladite traverse (22a).
  23. Dispositif (1b) selon une ou plusieurs des revendications 14 à 22, caractérisé en ce que ledit presseur (27) peut se déplacer conjointement avec l'ouverture et la fermeture de ladite chambre à vide (3).
  24. Dispositif (1b) selon une ou plusieurs des revendications 14 à 23, caractérisé en ce qu'il comporte au moins une buse (38) qui est reliée d'un seul tenant à ladite chambre à vide (3), ladite au moins une buse (38) étant logée hermétiquement dans un appendice (39) en forme de boîte réalisé par deux demi-coques qui font saillie latéralement de ladite chambre à vide (3) le long d'un axe qui est perpendiculaire à l'axe d'avance dudit film à pliage unique (7).
  25. Dispositif (1b) selon une ou plusieurs des revendications 14 à 24, caractérisé en ce qu'il comporte une première barre de thermoscellage transversale (10a), agencée à proximité de l'entrée (11) de ladite chambre à vide (3), une lame de coupe étant latéralement adjacente à ladite première barre de thermoscellage transversale (10a), une paire de troisièmes vérins (29a, 29b) étant prévus au niveau de la surface extérieure dudit couvercle (5), ladite paire de troisièmes vérins étant conçus pour actionner une deuxième barre de thermoscellage transversale (31a), qui est agencée avec une symétrie spéculaire par rapport à ladite première barre de thermoscellage transversale (10a).
  26. Dispositif (1b) selon une ou plusieurs des revendications 14 à 25, caractérisé en ce qu'il comporte une première barre de thermoscellage longitudinale (10b), qui est agencée à l'intérieur de ladite chambre à vide (3) de manière à correspondre au dit côté longitudinal (9) ouvert dudit film à pliage unique (7) du produit alimentaire, une lame de coupe étant agencée latéralement adjacente à ladite première barre de thermoscellage longitudinale (10b), une paire de quatrièmes vérins (30a, 30b) étant agencés au niveau de la surface extérieure dudit couvercle (5), ladite paire de quatrièmes vérins étant conçus pour actionner une deuxième barre de thermoscellage longitudinale (31b), qui est agencée avec une symétrie spéculaire par rapport à ladite première barre de thermoscellage longitudinale (10b).
  27. Dispositif (1b) selon une ou plusieurs des revendications 14 à 26, caractérisé en ce qu'il comporte une pluralité de trous (41) pour le retour de l'air dans ladite chambre à vide (3) afin de la ramener à la pression atmosphérique après le thermoscellage dudit emballage (35), ladite pluralité de trous (41) étant prévus entre ladite première barre de thermoscellage transversale (10a) et la paroi (42) adjacente de ladite chambre à vide (3) en forme de cloche.
  28. Dispositif (1b) selon une ou plusieurs des revendications 14 à 27, caractérisé en ce qu'il est commandé par des moyens mécaniques et/ou électroniques conçus pour déterminer au préalable la position souhaitée dudit cadre (20) en un ou plusieurs points prédéterminés, de sorte que, pour chaque type d'emballage (35), il soit possible d'établir, au moyen d'un ordinateur, l'agencement dudit cadre (20) automatiquement alors que l'emballage qui arrive sur ladite plateforme de chargement (13) varie.
  29. Dispositif (1b) selon une ou plusieurs des revendications 14 à 28, caractérisé en ce que ledit cadre (20) peut également se déplacer transversalement par rapport à la direction d'avance dudit film à pliage unique (7).
EP11700550.4A 2010-02-19 2011-01-18 Dispositif d'emballage sous vide, en particulier de produits alimentaires Not-in-force EP2536637B1 (fr)

Applications Claiming Priority (3)

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 (fr) 2010-02-19 2011-01-18 Dispositif de conditionnement sous vide, en particulier pour des aliments

Publications (2)

Publication Number Publication Date
EP2536637A1 EP2536637A1 (fr) 2012-12-26
EP2536637B1 true EP2536637B1 (fr) 2013-12-18

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EP11700550.4A Not-in-force EP2536637B1 (fr) 2010-02-19 2011-01-18 Dispositif d'emballage sous vide, en particulier de produits alimentaires

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US (1) US20120297729A1 (fr)
EP (1) EP2536637B1 (fr)
CN (1) CN102803077B (fr)
BR (1) BR112012020487A2 (fr)
CO (1) CO6571859A2 (fr)
ES (1) ES2452516T3 (fr)
RU (1) RU2546227C2 (fr)
WO (1) WO2011101190A1 (fr)

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BR112012020487A2 (pt) 2019-09-24
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 (fr) 2011-08-25
EP2536637A1 (fr) 2012-12-26
CN102803077B (zh) 2014-11-19
RU2546227C2 (ru) 2015-04-10

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