EP2186732B1 - Vorrichtung, Verfahren und Verpackung von frischen Lebensmitteln, so wie Obst und Gemüse - Google Patents

Vorrichtung, Verfahren und Verpackung von frischen Lebensmitteln, so wie Obst und Gemüse Download PDF

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Publication number
EP2186732B1
EP2186732B1 EP09175491.1A EP09175491A EP2186732B1 EP 2186732 B1 EP2186732 B1 EP 2186732B1 EP 09175491 A EP09175491 A EP 09175491A EP 2186732 B1 EP2186732 B1 EP 2186732B1
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EP
European Patent Office
Prior art keywords
product
film
covering
shape
apple
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.)
Not-in-force
Application number
EP09175491.1A
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English (en)
French (fr)
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EP2186732A2 (de
EP2186732A3 (de
Inventor
Angelo Della Valentina
Rudi Toneatti
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.)
DIVTI QUARTAGAMMA Srl
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DIVTI QUARTAGAMMA Srl
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Priority to PL09175491T priority Critical patent/PL2186732T3/pl
Publication of EP2186732A2 publication Critical patent/EP2186732A2/de
Publication of EP2186732A3 publication Critical patent/EP2186732A3/de
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Publication of EP2186732B1 publication Critical patent/EP2186732B1/de
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Classifications

    • 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
    • B65B9/045—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 for single articles, e.g. tablets
    • 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
    • B65B25/00—Packaging other articles presenting special problems
    • B65B25/02—Packaging agricultural or horticultural products
    • B65B25/04—Packaging fruit or vegetables

Definitions

  • the present invention concerns a method and the relative plant for packaging fresh food products, such as fruit and vegetables.
  • the present invention is used for packaging fresh fruit and vegetables, for example apples, pears, oranges, carrots, bananas and others, intended for individual distribution in automatic distributors in public places.
  • Fresh food products are known, such as fruit and vegetables, commonly sold retail and in large scale retail outlets, loose or disposed on containers or boxes made of plastic, wood or cardboard.
  • the products are necessarily sold with the peel due to the fact that the desired freshness of the product on the counter must be guaranteed at least for some days.
  • Purpose of the present invention is to perfect a method, and the relative plant, to distribute individually fresh food products by means of automatic distributors, guaranteeing both that the organoleptic properties of the natural fresh product are maintained without using preservatives and/or additives of various types, and also that the products can be consumed in a practical and rapid manner, substantially for every type of user.
  • the Applicant has devised, tested and embodied the present invention to overcome the shortcomings of the state of the art and to obtain these and other purposes and advantages.
  • a method for packaging fresh food products comprises at least a peeling step, in which the peel is removed from said product.
  • the peel is replaced in its functions of protecting and preserving the product with at least a coveringfilm made of thermo-formable material by means of at least a covering step, in which said at least a film of material, advantageously but not necessarily totally or partly transparent, is associated with the external surface of the food product.
  • Said covering step comprises a first shaping sub-step, in which a first film in the form of a strip made of thermo-formable material is shaped so as to define a seating having a shape correlated to the product, a second positioning sub-step in which said product is deposited in said seating, and a third covering sub-step in which a second film in the form of a strip made of thermo-formable material is positioned above the first film so as to cover the whole surface of the product.
  • the method of the present invention comprises a molding step in which the film is made to adhere to the external surface of the food product by depositing said second film so as to assume a shape correlated to the product so that the bulk of the package is substantially equal to that of the non-packaged product.
  • thermo-formable film after the molding step, a step of heat-retraction is provided, in which the film is made to shrink so as to adhere further to the surface of the product.
  • This solution allows to increase further the adherence of the film to the product, with a final result that simulates the peel.
  • the present invention comprises a step of anti-oxidizing treatment, in which the peeled product is treated with an anti-oxidant solution in order to delay browning and to increase duration.
  • the molding step provides a sub-step to create a vacuum, in which the air between the film and the product is taken in.
  • This operation eliminating or reducing the presence of oxygen in contact with the product, reinforces the effect of the anti-oxidizing treatment and allows to further extend the duration of the product.
  • the molding step comprises a sealing step in which the film is made solid in a closing zone, and a trimming sub-step in which the film is trimmed along the line of solidarization.
  • Solidarization makes the package hermetic, thus preventing any contamination of the product by external agents and also prevents any air from entering.
  • the film is a color that reproduces the appearance of the packaged food product. In this way, the product is more easily recognizable by the consumer and is aesthetically more pleasing.
  • a plant 10 according to the present invention is used to package fresh food products, in this case apples 20.
  • the following example provides to use film made of thermo-formable material.
  • the plant 10 comprises a loading station 11, a washing tank 12, a peeling station 13, a grading station 14, an anti-oxidizing treatment tank 15, a drying station 16 and a packaging station 17.
  • the loading station 11, washing tank 12, peeling station 13, grading station 14, anti-oxidizing treatment tank 15 and drying station 16 are substantially of a known type.
  • the washing tank 12 comprises lifting means that pick up the apples 20 and convey them toward the peeling station 13.
  • the peeling station 13 comprises an orientation device that rotates the apples 20 until the stalk-sepal axis is in a vertical direction, and peeling means that peel the apples 20, for example by turning, and possible remove the core.
  • the suitable apples 20 are immersed for a determinate period of time in the anti-oxidizing treatment tank 15, containing an anti-oxidant solution, for example a solution of ascorbic acid, and are subsequently dried in the drying station 16 for example by means of ventilators.
  • an anti-oxidant solution for example a solution of ascorbic acid
  • the packaging station 17 comprises shaping means 21, feed means 28, covering means 22, a sealing unit 23 and heat-retraction means 27.
  • the packaging station 17 also comprises a first unwinding roller 33, disposed upstream of the shaping means 21, and able to feed to the shaping means 21 a first film 31 of thermo-formable material, in the form of a strip, and a second unwinding roller 34, associated with the covering means 22 and able to feed to the covering means 22 a second film 32 of thermo-formable plastic material, in the form of a strip.
  • the shaping means 21 comprise a mold with a shape correlated with the shape of part of the apple 20 to be packaged, able to pre-form the first film 31.
  • the mold is shaped to pre-form the first film 31 so that it covers more than half of the apple 20, excluding an upper cap.
  • the feed means 28 are provided immediately downstream of the shaping means 21.
  • An edge of the first film 31 is associated with each chain, to feed it toward the sealing unit 23.
  • positioning means are provided downstream of the shaping means 21, in the direction of feed of the first film 31, positioning means are provided, able to position the apple 20 in the seating 30 in an automated manner.
  • the covering means 22 Downstream of the shaping means 21 and upstream of the sealing unit 23 the covering means 22 are disposed, comprising a plurality of tensioning rollers 35 and a positioning device 29, which gradually position the second film 32 above the apples 20 during the advance of the first film 31 and the apples 20 from the shaping means 21 to the sealing unit 23.
  • the second film 32 advances solid with the first film 31 toward the sealing unit 23.
  • the sealing unit 23 also comprises sealing means 25 that weld the two films 31 and 32 to each other in the perimeter zone of the apple 20.
  • the films are welded using known methods, for example melting, pressure, laser or other.
  • the trimming means 26 shape a tongue 36, comprising a portion of the same shape and size as each of the two films 31 and 32.
  • a longitudinal cut 40 is made on the tongue 36, for an easy opening of the package.
  • the sealing unit 23 feeds the heat-retraction means 27.
  • the heat-retraction means 27 comprise a heat-retraction tank 38 containing hot water, at a temperature such as to cause the films 31 and 32 to shrink, and a holed platform 39, disposed movable vertically inside the heat-retraction tank 38.
  • the covered apples 20 are loaded, manually or by means of automatic devices, onto the platform 39 when the latter is at a level above the surface of the water of the heat-retraction tank 38. Subsequently, the platform 39 moves downward to a level where the apples 20 are completely immersed in the water. The platform 39 remains in this position for the time needed for the films 31 and 32 to shrink, and then returns to the initial level, above the surface of the water.
  • the packaging station 17 provides a device, associated with the shaping means 23, to recover the off cuts from the trimming of the films 31 and 32.
  • the device to recover the off cuts is for example of the suction type, and comprises a plurality of suction tubes disposed in correspondence with the trimming means 26.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Agronomy & Crop Science (AREA)
  • Packging For Living Organisms, Food Or Medicinal Products That Are Sensitive To Environmental Conditiond (AREA)
  • Packages (AREA)
  • Preparation Of Fruits And Vegetables (AREA)

Claims (11)

  1. Verfahren zum Verpacken eines frischen Obst- oder Gemüse-Lebensmittelproduktes (20) von im Wesentlichen kugeliger Form, das außen mit einer schützenden Schale versehen ist, aufweisend mindestens einen Schälschritt, in dem die Schale von dem Produkt (20) entfernt wird, dadurch gekennzeichnet, dass die Schale nach dem Schälschritt in ihren Funktionen des Schützens und Konservierens des Produktes durch mindestens eine Deckfolie aus einem thermobeziehungsweise warmformbaren Material ersetzt wird durch:
    - mindestens einen Abdeckschritt, in dem die mindestens eine Deckfolie mit der Außenfläche des Produktes (20) zusammengebracht wird, wobei der Abdeckschritt einen ersten formenden Unterschritt, in dem eine erste Folie (31) in Form eines Streifens aus warmformbarem Material derart geformt wird, dass sie eine Aufnahme (30) mit einer Form bildet, die dem im Wesentlichen kugelförmigen Produkt (20) entspricht, einen zweiten positionierenden Unterschritt, in dem das Produkt (20) in der Aufnahme (30) abgelegt wird, so dass die erste Folie (31) mehr als die Hälfte des Produktes (20) bedeckt, ausgenommen einer oberen Kappe, und einen dritten abdeckenden Unterschritt aufweist, in dem eine zweite Folie (32) in Form eines Streifens aus warmformbarem Material oberhalb der ersten Folie (31) positioniert wird, so dass die gesamte Oberfläche des Produktes (20) bedeckt wird,
    - einen Formschritt, in dem bewirkt wird, dass die Deckfolie an der Außenfläche des Produktes (20) haftet, indem die zweite Folie (32) so abgelegt wird, dass sie eine im Wesentlichen kugelige Form annimmt, die dem Produkt (20) entspricht, so dass das Volumen der Verpackung im Wesentlichen gleich demjenigen des nicht verpackten Produktes ist, wobei der Formschritt einen Unterschritt des Erzeugens eines Vakuums, in dem die zwischen der Deckfolie und dem Produkt (20) vorhandene Luft angesaugt wird, einen versiegelnden Unterschritt, in dem die Deckfolie entsprechend eines vorbestimmten Schließbereichs fest gemacht wird, und einen zuschneidenden Unterschritt aufweist, in dem die Deckfolie entlang einer Kante des versiegelten Abschnitts (37), der fest gemacht wurde, zugeschnitten wird,
    - einen Schritt des Wärmeschrumpfens, der nach dem Formschritt vorgesehen ist, wobei bewirkt wird, dass die Deckfolie unter Anwendung von heißem Wasser bei einer solchen Temperatur schrumpft, die bewirkt, dass die Folien (31) und (32) schrumpfen, so dass sie weiter an der Oberfläche des im Wesentlichen kugelförmigen Produktes (20) haften.
  2. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass in dem versiegelnden Unterschritt die erste Folie (31) und die zweite Folie (32) miteinander entlang eines vordefinierten Umfangsabschnitts fest gemacht werden und in dem zuschneidenden Unterschritt die erste Folie (31) und die zweite Folie (32) entlang der Kante des fest gemachten Abschnitts (37) zugeschnitten werden.
  3. Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass dieses vor dem Abdeckschritt eine antioxidierende Behandlung des Produktes (20) umfasst.
  4. Verfahren nach Anspruch 3, dadurch gekennzeichnet, dass dieses vor der antioxidierenden Behandlung einen Schneideschritt aufweist, in dem das Produkt (20) in Abschnitte einer vorbestimmten Form vorgeschnitten wird, die zusammengehalten werden, um die ursprüngliche Form des Produktes (20) zu bilden.
  5. Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Produkt (20) durch die erste Folie (31), die auch als Förderband dient, vorgeschoben wird.
  6. Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das frische Lebensmittelprodukt ein Apfel (20) ist und dass der Abdeckschritt dafür konfiguriert ist, Produkte von im Wesentlichen kugeliger Form durch Vorformen der ersten Folie (31) zu verpacken, so dass sie mehr als die Hälfte des Apfels (20) bedeckt, ausgenommen der oberen Kappe, und durch allmähliches Positionieren der zweiten Folie (32) oberhalb des Apfels (20) während des Vorschiebens der ersten Folie (31) und des Apfels (20) von den Formmitteln (21), ohne dass die Deckfolie Krümmungen bildet und auf der Oberfläche des Produktes überlappt.
  7. Anlage zum Verpacken eines frischen Obst- oder Gemüse-Lebensmittelproduktes (20) von im Wesentlichen kugeliger Form, das außen mit einer schützenden Schale versehen ist, aufweisend mindestens eine Schälstation (13), die in der Lage ist, die Schale von dem Produkt (20) zu entfernen, dadurch gekennzeichnet, dass sie eine Verpackungsstation (17) aufweist, die geeignet ist, die Schale in ihren Funktionen des Schützens und Konservierens des Produktes durch mindestens eine Deckfolie aus einem warmformbaren Material zu ersetzen, wobei die Verpackungsstation (17) mindestens mit den folgenden Elementen versehen ist:
    - einer Abdeckeinheit, die in der Lage ist, mindestens eine Deckfolie auf der Außenfläche des Produktes (20) zu positionieren, und die eine Formeinrichtung (21) aufweist, die in der Lage ist, eine erste Folie (31) so zu formen, dass sie eine Aufnahme (30) definiert, die eine Form hat, die derjenigen des im Wesentlichen kugelförmigen Produktes (20) entspricht, und in der das Produkt (20) so abgelegt wird, dass die erste Folie (31) mehr als die Hälfte des Produktes (20) bedeckt, ausgenommen einer oberen Kappe, und die Abdeckmittel (22) aufweist, die mit den Formmitteln (21) zusammenwirken und in der Lage sind, eine zweite Folie (32) oberhalb der ersten Folie (31) zu positionieren, um die gesamte Oberfläche des Produktes (20) zu bedecken,
    - einer Versiegelungseinheit (23), die in der Lage ist, zu bewirken, dass die Deckfolie an der Oberfläche des Produktes (20) haftet durch Ablegen der zweiten Folie (32), um eine dem Produkt (20) entsprechende Form anzunehmen, so dass das Volumen der Verpackung im Wesentlichen gleich demjenigen des nicht verpackten Produktes ist, wobei die Versiegelungseinheit (23) eine Vorrichtung (24) zur Erzeugung eines Vakuums, die stromabwärts der Abdeckeinheit angeordnet und in der Lage ist, die zwischen der Deckfolie und dem Produkt (20) vorhandene Luft anzusaugen, und Versiegelungsmittel (25), die in der Lage sind, die Deckfolie entsprechend eines vordefinierten Schließbereichs hart zu machen, und 2uschneidemittel (26) aufweist, die stromabwärts der Versiegelungsmittel (25) angeordnet und in der Lage sind, die Deckfolie entlang einer Kante des versiegelten, fest beziehungsweise hart gemachten Abschnitts (37) zuzuschneiden,
    - Wärmeschrumpfmittel (27), die stromabwärts der Versiegelungseinheit (23) angeordnet und in der Lage sind, die Deckfolie unter Anwendung von heißem Wasser bei einer solchen Temperatur zu schrumpfen, dass bewirkt wird, dass die Folien (31) und (32) schrumpfen, so dass sie weiter beziehungsweise besser auf der Oberfläche des Produktes (20) haften.
  8. Anlage nach Anspruch 7, dadurch gekennzeichnet, dass sie ein Förderband zum Vorschieben des Produktes (20) aufweist, das durch die erste Folie (31) gebildet ist.
  9. Anlage nach Anspruch 7 oder 8, dadurch gekennzeichnet, dass das frische Lebensmittelprodukt ein Apfel (20) ist und dass die Abdeckeinheit dafür konfiguriert ist, Produkte von im Wesentlichen kugeliger Form zu verpacken, wobei die Formmittel (21) so geformt sind, dass sie die erste Folie (31) vorformen, so dass sie mehr als die Hälfte des Apfels (20) bedeckt, ausgenommen der oberen Kappe, und die Abdeckmittel (22) dafür konfiguriert sind, die zweite Folie (32) während des Vorschiebens der ersten Folie (31) und des Apfels (20) von den Formmitteln (21) allmählich oberhalb des Apfels (20) zu positionieren, ohne dass die Deckfolie Krümmungen bildet und auf der Oberfläche des Produktes überlappt.
  10. Verpacktes frisches Obst- oder Gemüse-Lebensmittelprodukt von im Wesentlichen kugeliger Form ohne die schützende Schale, erhältlich durch ein Verfahren nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass die Schale in ihren Funktionen des Schützens und Konservierens des Produktes durch mindestens eine Deckfolie aus einem warmformbaren Material ersetzt wird, das an der Außenfläche des Produktes (20) haftet, wobei die Deckfolie eine erste Folie (31) umfasst, die so geformt ist, dass sie eine Aufnahme (30) mit einer dem Produkt (20) entsprechenden Form definiert, in der das Produkt (20) angeordnet ist, und die mehr als die Hälfte des Produktes (20) bedeckt, ausgenommen einer oberen Kappe, und eine zweite Folie (32) umfasst, die oberhalb der ersten Folie (31) positioniert ist, so dass sie die gesamte Oberfläche des Produktes (20) bedeckt, und die so aufgelegt ist, dass sie eine dem Produkt (20) entsprechende Form annimmt, und dass das Volumen der von der Deckfolie gebildeten Verpackung im Wesentlichen gleich demjenigen des nicht verpackten Produktes ist, wobei die erste Folie (31) und die zweite Folie (32) entlang einer Kante eines versiegelten Abschnitts (37) miteinander versiegelt sind und durch heißes Wasser bei einer solchen Temperatur warmgeschrumpft sind, die bewirkt, dass die Folien (31) und (32) schrumpfen, so dass sie besser an der Oberfläche des Produktes (20) von im Wesentlichen kugeliger Form haften.
  11. Produkt nach Anspruch 10, dadurch gekennzeichnet, dass das frische Lebensmittelprodukt ein Apfel (20) ist und dass die erste Folie (31) mehr als die Hälfte des Apfels (20) bedeckt, ausgenommen der oberen Kappe, und die zweite Folie (32) oberhalb des Apfels (20) positioniert ist, ohne dass die Deckfolie Krümmungen bildet und auf der Oberfläche des Produktes überlappt.
EP09175491.1A 2008-11-12 2009-11-10 Vorrichtung, Verfahren und Verpackung von frischen Lebensmitteln, so wie Obst und Gemüse Not-in-force EP2186732B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL09175491T PL2186732T3 (pl) 2008-11-12 2009-11-10 Sposób i instalacja do pakowania świeżych produktów spożywczych, takich jak owoce i warzywa, i produkty spożywcze pakowane przy pomocy tego sposobu i instalacji

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITUD2008A000239A IT1394643B1 (it) 2008-11-12 2008-11-12 Procedimento e impianto per il confezionamento di prodotti alimentari freschi, quali frutta e ortaggi, e prodotto alimentare cosí confezionato

Publications (3)

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EP2186732A2 EP2186732A2 (de) 2010-05-19
EP2186732A3 EP2186732A3 (de) 2010-07-21
EP2186732B1 true EP2186732B1 (de) 2014-04-09

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EP09175491.1A Not-in-force EP2186732B1 (de) 2008-11-12 2009-11-10 Vorrichtung, Verfahren und Verpackung von frischen Lebensmitteln, so wie Obst und Gemüse

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EP (1) EP2186732B1 (de)
ES (1) ES2478817T3 (de)
IT (1) IT1394643B1 (de)
PL (1) PL2186732T3 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2690918A1 (es) * 2017-05-03 2018-11-22 Joaquin Llusar Y Cia, S.A. Método de envasado al vacío de naranjas enteras peladas
CN113060329A (zh) * 2021-03-11 2021-07-02 王子贤 一种绿色蔬菜净菜包装装置
PL446076A1 (pl) * 2023-09-11 2025-03-17 Waligóra Tomasz Domasz Sposób pobierania początkowego odcinka wstęgi z workami raszlowymi i układ podawania wstęgi worków raszlowych
PL446078A1 (pl) * 2023-09-11 2025-03-17 Waligóra Tomasz Domasz Sposób zasypu produktów do worków raszlowych i układ zasypu produktów do worków raszlowych
PL446079A1 (pl) * 2023-09-11 2025-03-17 Waligóra Tomasz Domasz Sposób zaszywania worków raszlowych podczas pakowania produktów i układ do zaszywania worków raszlowych

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3956867A (en) * 1973-12-24 1976-05-18 Multivac Sepp Haggenmueller Kg Method of producing a package
DE102006040526A1 (de) * 2006-08-30 2008-03-06 Cfs Kempten Gmbh Thermoformbares Verpackungsmaterial mit Schrumpfeigenschaften

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4034536A (en) * 1976-06-11 1977-07-12 Mahaffy & Harder Engineering Company Packaging apparatus and techniques
US4835942A (en) * 1987-06-26 1989-06-06 Skrmetta Raphael Q Seafood vacuum-pack system

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3956867A (en) * 1973-12-24 1976-05-18 Multivac Sepp Haggenmueller Kg Method of producing a package
DE102006040526A1 (de) * 2006-08-30 2008-03-06 Cfs Kempten Gmbh Thermoformbares Verpackungsmaterial mit Schrumpfeigenschaften

Also Published As

Publication number Publication date
EP2186732A2 (de) 2010-05-19
EP2186732A3 (de) 2010-07-21
IT1394643B1 (it) 2012-07-05
ES2478817T3 (es) 2014-07-23
ITUD20080239A1 (it) 2010-05-13
PL2186732T3 (pl) 2014-09-30

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