EP0448440A1 - Method of packaging pre-prepared vegetables, corresponding packaging line and pre-prepared vegetables packaged by this method - Google Patents

Method of packaging pre-prepared vegetables, corresponding packaging line and pre-prepared vegetables packaged by this method Download PDF

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Publication number
EP0448440A1
EP0448440A1 EP91400639A EP91400639A EP0448440A1 EP 0448440 A1 EP0448440 A1 EP 0448440A1 EP 91400639 A EP91400639 A EP 91400639A EP 91400639 A EP91400639 A EP 91400639A EP 0448440 A1 EP0448440 A1 EP 0448440A1
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EP
European Patent Office
Prior art keywords
product
compartment
packaging
accessory
bag
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.)
Withdrawn
Application number
EP91400639A
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German (de)
French (fr)
Inventor
René Lamotte
Olivier Marin
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FRANCIADE FRAIS
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FRANCIADE FRAIS
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Publication date
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Publication of EP0448440A1 publication Critical patent/EP0448440A1/en
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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
    • B65B37/00—Supplying or feeding fluent-solid, plastic, or liquid material, or loose masses of small articles, to be packaged
    • B65B37/16—Separating measured quantities from supply
    • B65B37/18—Separating measured quantities from supply by weighing
    • 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
    • B65B9/10—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs
    • B65B9/20—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs the webs being formed into tubes in situ around the filling nozzles
    • B65B9/213—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs the webs being formed into tubes in situ around the filling nozzles the web having intermittent motion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/32—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents for packaging two or more different materials which must be maintained separate prior to use in admixture
    • B65D81/3261—Flexible containers having several compartments
    • 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
    • B65B2220/00—Specific aspects of the packaging operation
    • B65B2220/22—Interconnected packages concurrently produced from the same web, the packages not being separated from one another
    • 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
    • B65B2230/00—Aspects of the final package
    • B65B2230/02—Containers having separate compartments isolated from one another
    • 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
    • B65B9/10—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs
    • B65B9/20—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs the webs being formed into tubes in situ around the filling nozzles
    • B65B9/2056—Machines for packages of special type or form

Definitions

  • the present invention relates to a method for packaging ready-to-use fresh vegetables and accessory ingredients.
  • Such ready-to-use vegetables are enjoying increasing commercial success because they have all the qualities of a fresh product without requiring long and tedious preparations.
  • These products are usually distributed in plastic bags, possibly filled with a special gas mixture, for example nitrogen-enriched air.
  • a special gas mixture for example nitrogen-enriched air.
  • these sachets are introduced into the packaging containing the main product, for example the fresh vegetable. This results in a risk of contamination of fresh vegetables by the sachet of ingredient with which they are directly in contact, which harms the bacteriological quality of the product.
  • these complementary sachets are usually distributed separately, which has various drawbacks. Indeed, the optimal distribution of sachets of fresh vegetables ready to use on the one hand and complementary sachets on the other hand requires the presence of displays at the particular point of sale. In addition, due to the small size of the sachets containing the complementary products, the unknown markdown on these products is important because it is easy for the customer to conceal one or more of these sachets. In addition, the inventory and supply management is difficult to control, especially since the date of consumption of the main product and the complementary product may be different.
  • the present invention firstly relates to a process for packaging fresh vegetables prepared ready for use and an accessory ingredient overcomes these drawbacks, and preserving a high bacteriological quality essential for the good preservation of the products.
  • the process according to the present invention makes it possible to guarantee perfect bacteriological quality. Indeed, the main product (fresh vegetables) and the ingredient never come into direct contact.
  • the ingredients may consist of plastic bags containing bacon, croutons, pieces of cheese or various seasonings.
  • the bagging of such ingredients is rarely done in a clean room, and therefore does not meet the hygienic criteria required for fresh vegetables prepared ready for use.
  • these ingredients are often prepared at a site remote from the packaging line, and must therefore be transported under hygienic conditions that are difficult to control.
  • the method according to the present invention makes it possible to carry out a homogeneous packaging of the main product and of the accessory product without these two products coming into contact at any time, from the supply of the packaging line to the final packaging. thus realized.
  • the packaging process uses veins opening into a substantially cylindrical former around which a plastic film is formed into a tubular envelope by heat sealing along a longitudinal axis parallel to the longitudinal axis of the conformator.
  • the lower end of the envelope thus formed and closed by heat sealing along a line substantially perpendicular to the longitudinal axis.
  • the first vein releases the first product into the former, the envelope is then heat-sealed along a line perpendicular to the longitudinal axis behind the first product, then the second vein releases the second product into the former.
  • the tubular casing is then heat sealed according to a second line perpendicular to the longitudinal axis, behind the second product, the bag with two compartments thus formed is then cut.
  • the second heat-sealed line constitutes both the closure of the second compartment, and the closure of the lower end of the first compartment of the following bag, the cutting being carried out in the middle of the heat-sealed line.
  • the packaging line includes means for detecting the position of a marked mark on the film, said transmitting a control signal to a computer controlling the packaging process.
  • detection means for example constituted by photovoltaic cells or any other means known in the state of the art, ensure good coordination of the advancement of the plastic film, of heat sealing according to the transverse links, and of product release main or accessory product. These detection means make it possible to avoid the premature release of one of the products in the event of disruption in the advancement of the plastic film.
  • the supply chain according to the present invention comprises means for determining the mass of the main product consisting of a plurality of weight weighing heads.
  • weight weighing heads are fed via a vibrating dispersion cone.
  • the present invention also comprises a sachet of ready-to-use vegetables packaged according to the method of the invention.
  • sachets consist of a first compartment containing a main product and a second compartment containing the accessory product separated by a heat-sealed line.
  • the main product is enclosed in a plastic bag.
  • the first compartment carries on its front face an information zone
  • the second compartment carries on its rear face an information zone, the two information zones being head to tail, the second compartment being folded down on the front of the first compartment.
  • the main product for example salad, arrives at the packaging line via a conveyor belt (1).
  • This conveyor belt emerges above a dispersion cone (2) comprising vibrating radians supplying a plurality of weight weighing heads (3).
  • the purpose of the vibrating cone (2) is to disperse the possibly agglomerated mass of main product coming from the conveyor belt (1), and to ensure a substantially homogeneous distribution of the main product in the different weighing heads arranged radially.
  • At least one of the weighing heads (4) is reserved for the accessory product (5) arriving in the form of sachets by a supply means not shown in these figures.
  • This supply means can be constituted by a second conveyor belt symmetrical to the first.
  • Separator means (6) prevent contact between the main product (7) and the accessory products (5).
  • weight weighing consists in associating by computer means some of the weighing buckets (3) so that the sum of the product weights contained in the selected weighing buckets (3) approaches better from the predetermined reference weight.
  • the selected weigh buckets (3) flow into a feed bucket (8) which therefore, in principle, contains a mass of main products (7) which may differ from the reference mass.
  • the weigh bucket (s) (4) receiving the accessory product (5) pours into a feed bucket (9) of secondary products.
  • These two feed buckets (8 and 9) each contain at the start of the cycle the main product (7) and the accessory product (5). They can pour into a conformator (10) via a cone supply (11).
  • the conformator (10) consists of a cylindrical element around which the plastic film is wound. This plastic film is heat sealed along a longitudinal line parallel to the axis of the shaper (10).
  • a tubular casing (12) is formed communicating with the feed channel (13) determined by the feed cone (11) and the shaper (10).
  • the lower part (14) of the tubular envelope thus formed is closed by heat sealing along a transverse strip (15).
  • FIG. 3 shows the next step in the process.
  • the lower hatch (16) of the feed bucket (9) is closed, and the hatch (18) of the weighing bucket (4) is open.
  • the accessory product contained in this weigh bucket (4) is released and is introduced into the feed bucket (9).
  • heating jaws produce a heat-sealed strip (19) disposed behind the bag (17) of complementary product.
  • FIG. 4 represents the next step in which the lower flap (20) of the main product feed bucket (8) (7) has released a predetermined mass of main product (21).
  • This predetermined mass (21) passed through the supply channel (13) and took place in the second compartment (22) of the tubular casing (12).
  • the tilting hatches (23) of the weighing buckets (3) selected by the calculation system of the weight weighing assembly opens so as to determine several masses of main product, the sum of which corresponds substantially to the reference mass.
  • FIG. 5 shows the sachet produced after heat sealing a transverse strip (24) behind the main product (21) previously introduced into the second compartment (22) of the tubular envelope (12).
  • the tubular casing is cut along a transverse line.
  • the lower transverse edge (25) of the tubular casing coming from the shaper (11) is also closed by heat sealing, and the cycle can thus start again with the introduction of a new accessory product (5).
  • Figure 6 shows, schematically, the time diagram of the different stations of the packaging chain.
  • phase T1 the main basic product is supplied. This product passes over the dispersion cone and feeds the various weighing buckets (3). Simultaneously, and separately in space, the accessory product is introduced into the weigh bucket (4).
  • the calculator of the associative weighing system causes the opening of those of the weighing buckets (3) whose sum of the masses of their contents corresponds best to the reference mass.
  • the contents of the selected weigh buckets (3) are released during the time interval T2.
  • the plastic film includes marks capable of being detected by optical or other detection means.
  • this mark arrives in front of the detector, it emits a signal S A causing the film to stop running and signaling to the computer that the first compartment of the tubular envelope is ready to receive the product. accessory.
  • This signal therefore triggers the opening of the lower hatch (16) of the feed bucket (9) of the accessory product.
  • This opening takes place during the period T3.
  • the computer of the associative weighing system delivers a signal S2 signaling to the bagging station that it has released the accessory product and that the welding along a transverse line can be carried out.
  • FIG. 7 shows an example of a product packaged on the present invention.
  • the bag consists of a first compartment (26) and a second compartment (27) connected by a transverse heat-sealed strip (28). The lower end (29) and the upper end (30) of the bag are also closed by heat sealing.
  • the first compartment (26) contains the ingredient bag (31).
  • the second compartment (27) contains the main product, for example salad leaves.
  • the rear face (33) of the first compartment (26) includes inscriptions which appear when this second compartment (26) is folded over the front face (34) of the second compartment (27) in a visible manner for the consumer.
  • the bag Since the bag is usually made of transparent plastic, the consumer therefore immediately sees the information appearing on the rear face (33) of the first compartment (26), the content of this first compartment (26), the content of the second compartment (27 ) and possibly the inscriptions appearing on the front face (34) of the second compartment (27).
  • the first compartment (26) is held on the front face (34) of the second compartment (27) by any known means in particular by a transparent adhesive strip.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)
  • Packging For Living Organisms, Food Or Medicinal Products That Are Sensitive To Environmental Conditiond (AREA)

Abstract

The present invention relates to a method of packaging prepared fresh vegetables which are ready for use and accessory ingredients. This method consists in inserting the fresh vegetable which is ready for use into a tubular envelope (12) by means of separate feed streams, in reclosing this tubular envelope by heat sealing, in inserting the ingredients into the open part of the tubular envelope thus formed, in reclosing the upper end of the tubular envelope and in cutting the two-compartment bag thus produced. The present invention also relates to a line for processing and for implementing this method and the bag of fresh vegetables which are ready for use thus produced. <IMAGE>

Description

La présente invention est relative à un procédé de conditionnement de légumes frais préparés prêts à l'emploi et d'ingrédients accessoires.The present invention relates to a method for packaging ready-to-use fresh vegetables and accessory ingredients.

De tels légumes prêts à l'emploi, habituellement désignés sous le terme de "produit de IVème gamme", connaissent un succès commercial croissant car ils présentent toutes les qualités d'un produit frais sans pour autant nécessiter de préparatif long et fastidieux. Ces produits sont habituellement distribués dans des sachets en matière plastique, éventuellement rempli d'un mélange gazeux spécial, par exemple de l'air enrichi en azote. Afin de répondre de façon optimale à la demande, il est connu, dans l'état de l'art, de distribuer le légume frais prêt à l'emploi avec un sachet complémentaire contenant des ingrédients tels que des croûtons, des lardons, des épices, ou l'assaisonnement.Such ready-to-use vegetables, usually designated by the term "fourth range product", are enjoying increasing commercial success because they have all the qualities of a fresh product without requiring long and tedious preparations. These products are usually distributed in plastic bags, possibly filled with a special gas mixture, for example nitrogen-enriched air. In order to respond optimally to demand, it is known in the state of the art to distribute the ready-to-use fresh vegetable with an additional sachet containing ingredients such as croutons, bacon, spices , or seasoning.

Dans la plupart des cas, ces sachets sont introduits dans le conditionnement contenant le produit principal, par exemple le légume frais. Il en résulte un risque de contamination des légumes frais par le sachet d'ingrédient avec lequel ils sont directement en contact, ce qui nuit à la qualité bactériologique du produit.In most cases, these sachets are introduced into the packaging containing the main product, for example the fresh vegetable. This results in a risk of contamination of fresh vegetables by the sachet of ingredient with which they are directly in contact, which harms the bacteriological quality of the product.

Dans d'autres cas, ces sachets complémentaires sont habituellement distribués de façon séparée, ce qui présente différents inconvénients. En effet, la distribution optimale des sachets de légumes frais prêts à l'emploi d'une part et des sachets complémentaires d'autre part nécessite la présence de présentoirs sur le lieu de vente particulier. En outre, en raison de la taille réduite des sachets contenant les produits complémentaires, la démarque inconnue sur ces produits est importante car il est facile au client de dissimuler un ou plusieurs de ces sachets. En outre, la gestion des stocks et des approvisionnements est difficile à contrôler d'autant plus que la date de consommation du produit principal et du produit complémentaire peut être différente.In other cases, these complementary sachets are usually distributed separately, which has various drawbacks. Indeed, the optimal distribution of sachets of fresh vegetables ready to use on the one hand and complementary sachets on the other hand requires the presence of displays at the particular point of sale. In addition, due to the small size of the sachets containing the complementary products, the unknown markdown on these products is important because it is easy for the customer to conceal one or more of these sachets. In addition, the inventory and supply management is difficult to control, especially since the date of consumption of the main product and the complementary product may be different.

La présente invention a pour objet tout d'abord un procédé de conditionnement de légumes frais préparés prêts à l'emploi et d'un ingrédient accessoire remédient à ces inconvénients, et préservant une haute qualité bactériologique indispensable pour la bonne conservation des produits.The present invention firstly relates to a process for packaging fresh vegetables prepared ready for use and an accessory ingredient overcomes these drawbacks, and preserving a high bacteriological quality essential for the good preservation of the products.

La présente invention concerne un procédé de conditionnement d'un produit principal constitué par un légume frais préparé prêt à l'emploi provenant d'une première veine d'alimentation et d'un produit accessoire constitué par un ingrédient destiné à être associé au produit principal au moment de la consommation, le produit accessoire provenant d'une veine d'alimentation séparée de la première veine d'alimentation, le deux veines débouchant alternativement dans une veine d'alimentation commune d'un moyen d'ensachage, le procédé consistant à :

  • introduire l'un des produits dans une enveloppe tubulaire fermée à l'extrémité inférieure,
  • refermer l'enveloppe tubulaire selon une ligne sensiblement transversale à l'arrière du dit produit,
  • introduire le second produit dans la partie ouverte de l'enveloppe tubulaire,
  • refermer l'enveloppe tubulaire selon une ligne sensiblement transversale à l'arrière du dit second produit,
  • découper l'enveloppe tubulaire à deux compartiments ainsi réalisée,
  • recommencer le cycle avec un nouveau premier produit.
The present invention relates to a method for packaging a main product consisting of a fresh vegetable prepared ready for use coming from a first feeding vein and an accessory product consisting of an ingredient intended to be associated with the main product. at the time of consumption, the accessory product coming from a supply vein separate from the first supply vein, the two veins opening alternately into a common supply vein of a bagging means, the process consisting in :
  • introduce one of the products into a tubular envelope closed at the lower end,
  • close the tubular envelope along a substantially transverse line at the rear of said product,
  • introduce the second product into the open part of the tubular envelope,
  • close the tubular envelope along a substantially transverse line at the rear of said second product,
  • cut the tubular envelope with two compartments thus produced,
  • repeat the cycle with a new first product.

Le procédé selon la présente invention permet de garantir une parfaite qualité bactériologique. En effet, le produit principal (légumes frais) et l'ingrédient ne viennent jamais en contact direct.The process according to the present invention makes it possible to guarantee perfect bacteriological quality. Indeed, the main product (fresh vegetables) and the ingredient never come into direct contact.

Cette caractéristique est extrêmement importante car les ingrédients sont généralement préparés avec des conditions d'hygiène inférieures à celles requises pour la préparation des légumes frais. En conséquence, il est indispensable d'éviter que les ingrédients ne viennent contaminer les légumes frais.This characteristic is extremely important because the ingredients are generally prepared with hygienic conditions lower than those required for the preparation of fresh vegetables. Consequently, it is essential to prevent the ingredients from contaminating fresh vegetables.

A titre d'exemple, les ingrédients peuvent être constitués par des sachets en matière plastique contenant des lardons, des croûtons, des morceaux de fromage ou des assaisonnements divers. L'ensachage de tels ingrédients se fait rarement en salle blanche, et ne présente donc pas les critères hygiéniques requis pour les légumes frais préparés prêts à l'emploi. En outre, ces ingrédients sont souvent préparés sur un site éloigné de la chaîne de conditionnement, et doivent en conséquence être transportés dans des conditions d'hygiène difficilement contrôlables.For example, the ingredients may consist of plastic bags containing bacon, croutons, pieces of cheese or various seasonings. The bagging of such ingredients is rarely done in a clean room, and therefore does not meet the hygienic criteria required for fresh vegetables prepared ready for use. In addition, these ingredients are often prepared at a site remote from the packaging line, and must therefore be transported under hygienic conditions that are difficult to control.

Le procédé selon la présente invention permet de réaliser un conditionnement homogène du produit principal et du produit accessoire sans pour autant que ces deux produits ne viennent en contact à aucun moment, depuis l'alimentation de la chaîne de conditionnement jusqu'à l'emballage final ainsi réalisé.The method according to the present invention makes it possible to carry out a homogeneous packaging of the main product and of the accessory product without these two products coming into contact at any time, from the supply of the packaging line to the final packaging. thus realized.

Selon un mode de réalisation préféré, le procédé de conditionnement met en oeuvre des veines débouchant dans un conformateur sensiblement cylindrique autour duquel un film en matière plastique est mis en forme d'enveloppe tubulaire par thermosoudure selon un axe longitudinal parallèle à l'axe longitudinal du conformateur. L'extrémité inférieure de l'enveloppe ainsi formée et fermée par thermosoudure selon une ligne sensiblement perpendiculaire à l'axe longitudinal. La première veine libère le premier produit dans le conformateur, l'enveloppe est ensuite thermosoudée selon une ligne perpendiculaire à l'axe longitudinal en arrière du premier produit, puis la seconde veine libère le deuxième produit dans le conformateur. L'enveloppe tubulaire est ensuite thermosoudée selon une deuxième ligne perpendiculaire à l'axe longitudinal, en arrière du deuxième produit, le sachet à deux compartiments ainsi formé est ensuite découpé.According to a preferred embodiment, the packaging process uses veins opening into a substantially cylindrical former around which a plastic film is formed into a tubular envelope by heat sealing along a longitudinal axis parallel to the longitudinal axis of the conformator. The lower end of the envelope thus formed and closed by heat sealing along a line substantially perpendicular to the longitudinal axis. The first vein releases the first product into the former, the envelope is then heat-sealed along a line perpendicular to the longitudinal axis behind the first product, then the second vein releases the second product into the former. The tubular casing is then heat sealed according to a second line perpendicular to the longitudinal axis, behind the second product, the bag with two compartments thus formed is then cut.

Habituellement, la deuxième ligne thermosoudée constitue à la fois la fermeture du deuxième compartiment, et la fermeture de l'extrémité inférieure du premier compartiment du sachet suivant, la découpe s'effectuant au milieu de la ligne thermosoudée.Usually, the second heat-sealed line constitutes both the closure of the second compartment, and the closure of the lower end of the first compartment of the following bag, the cutting being carried out in the middle of the heat-sealed line.

La présente invention concerne également un système de conditionnement pour la mise en oeuvre du procédé selon la présente invention. Cette chaîne de conditionnement comporte:

  • des moyens pour délivrer une masse prédéterminée d'un produit principal dans un canal d'alimentation d'un poste d'ensachage,
  • des moyens pour délivrer un produit accessoire dans ledit canal d'alimentation,
  • lesdits moyens étant séparés et libérant leur contenu en alternance,
  • la chaîne de conditionnement comportant en outre un poste d'ensachage constituée par un conformateur coopérant avec ledit canal d'alimentation, des moyens d'alimentation en film plastique, des moyens de thermosoudure du film selon un axe longitudinal et des moyens de soudure de l'enveloppe tubulaire ainsi formée selon une ligne transversale.
The present invention also relates to a packaging system for implementing the method according to the present invention. This packaging chain includes:
  • means for delivering a predetermined mass of a main product into a supply channel of a bagging station,
  • means for delivering an accessory product into said supply channel,
  • said means being separated and releasing their content alternately,
  • the packaging line further comprising a bagging station constituted by a shaper cooperating with said supply channel, means for supplying plastic film, means for heat-sealing the film along a longitudinal axis and means for welding the tubular casing thus formed along a transverse line.

Avantageusement, la chaîne de conditionnement comporte des moyens de détection de la position d'un repère marqué sur le film, lesdits transmettant un signal d'asservissement à un ordinateur de contrôle du processus de conditionnement.Advantageously, the packaging line includes means for detecting the position of a marked mark on the film, said transmitting a control signal to a computer controlling the packaging process.

Ces moyens de détection, par exemple constitués par des cellules photovoltaïque ou tout autre moyen connu dans l'état de l'art permet d'assurer une bonne coordination de l'avancement du film plastique, de la thermosoudure selon les liens transversaux, et de la libération du produit principal ou du produit accessoire. Ces moyens de détection permettent d'éviter la libération prématurée de l'un des produits en cas de perturbation dans l'avancement du film de matière plastique.These detection means, for example constituted by photovoltaic cells or any other means known in the state of the art, ensure good coordination of the advancement of the plastic film, of heat sealing according to the transverse links, and of product release main or accessory product. These detection means make it possible to avoid the premature release of one of the products in the event of disruption in the advancement of the plastic film.

De préférence, la chaîne d'alimentation selon la présente invention comporte des moyens pour déterminer la masse du produit principal constitué par une pluralité de têtes de pesage pondérale. De telles têtes de pesage pondéral sont avantageusement alimentées par l'intermédiaire d'un cône de dispersion vibrant.Preferably, the supply chain according to the present invention comprises means for determining the mass of the main product consisting of a plurality of weight weighing heads. Advantageously, such weight weighing heads are fed via a vibrating dispersion cone.

La présente invention comporte également un sachet de légumes prêts à l'emploi conditionné selon le procédé de l'invention. De tels sachets sont constitués par un premier compartiment contenant un produit principal et par un second compartiment contenant le produit accessoire séparé par une ligne thermosoudée. Avantageusement, le produit principal est enfermé dans un sachet en matière plastique.The present invention also comprises a sachet of ready-to-use vegetables packaged according to the method of the invention. Such sachets consist of a first compartment containing a main product and a second compartment containing the accessory product separated by a heat-sealed line. Advantageously, the main product is enclosed in a plastic bag.

Selon un mode de réalisation avantageux, le premier compartiment porte sur sa face avant une zone d'information, le deuxième compartiment porte sur sa face arrière une zone d'information, les deux zones d'informations étant tête-bêche, le deuxième compartiment étant rabattu sur la face avant du premier compartiment.According to an advantageous embodiment, the first compartment carries on its front face an information zone, the second compartment carries on its rear face an information zone, the two information zones being head to tail, the second compartment being folded down on the front of the first compartment.

Ce mode de réalisation permet de respecter les dimensions habituelles des sachets de légumes frais prêts à l'emploi et de mettre en évidence le produit accessoire sans pour autant dissimuler le produit principal. La présente invention sera mieux comprise au vu des dessins qui suivent, représentant un exemple non limitatif de réalisation, ou :

  • les figures 1 à 5 représentent des vues schématiques de la chaîne de conditionnement à différentes phases du processus,
  • la figure 6 représente le diagramme des cycles des différents postes de la chaîne,
  • la figure 7 représente une vue en coupe d'un sachet de légumes réalisé selon la présente invention.
This embodiment makes it possible to comply with the usual dimensions of ready-to-use sachets of fresh vegetables and to highlight the accessory product without concealing the main product. The present invention will be better understood in the light of the following drawings, representing a non-limiting example of embodiment, or:
  • FIGS. 1 to 5 represent schematic views of the packaging line at different stages of the process,
  • FIG. 6 represents the diagram of the cycles of the various stations of the chain,
  • Figure 7 shows a sectional view of a vegetable sachet produced according to the present invention.

Le produit principal, par exemple la salade, arrive à la chaîne de conditionnement par l'intermédiaire d'un tapis transporteur (1). Ce tapis transporteur débouche au-dessus d'un cône de dispersion (2) comportant des radians vibrants alimentant une pluralité de têtes de pesage pondérales (3). Le cône vibrant (2) a pour but de disperser la masse éventuellement agglomérée de produit principal provenant du tapis transporteur (1), et d'assurer une répartition sensiblement homogène du produit principal dans les différentes têtes de pesage disposées radialement. Au moins une des têtes de pesage (4) est réservée au produit accessoire (5) arrivant sous forme de sachets par un moyen d'alimentation non représenté sur ces figures. Ce moyen d'alimentation peut être constitué par un deuxième tapis transporteur symétrique au premier. Des moyens séparateurs (6) empêchent le contact entre le produit principal (7) et les produits accessoires (5). Le système de pesage pondéral est connu dans l'état de l'art. Pour rappeler de façon sommaire son principe, le pesage pondéral consiste à associer par des moyens informatiques certaines des bennes de pesée (3) de façon à ce que la somme des poids de produit contenu dans les bennes de pesée (3) sélectionnées se rapproche au mieux du poids de référence prédéterminée. Les bennes de pesées (3) sélectionnées se déversent dans une benne d'alimentation (8) qui contient donc, en principe, une masse de produits principales (7) peut différente de la masse de référence.The main product, for example salad, arrives at the packaging line via a conveyor belt (1). This conveyor belt emerges above a dispersion cone (2) comprising vibrating radians supplying a plurality of weight weighing heads (3). The purpose of the vibrating cone (2) is to disperse the possibly agglomerated mass of main product coming from the conveyor belt (1), and to ensure a substantially homogeneous distribution of the main product in the different weighing heads arranged radially. At least one of the weighing heads (4) is reserved for the accessory product (5) arriving in the form of sachets by a supply means not shown in these figures. This supply means can be constituted by a second conveyor belt symmetrical to the first. Separator means (6) prevent contact between the main product (7) and the accessory products (5). The weight weighing system is known in the state of the art. To briefly recall its principle, weight weighing consists in associating by computer means some of the weighing buckets (3) so that the sum of the product weights contained in the selected weighing buckets (3) approaches better from the predetermined reference weight. The selected weigh buckets (3) flow into a feed bucket (8) which therefore, in principle, contains a mass of main products (7) which may differ from the reference mass.

De la même façon, la ou les bennes de pesée (4) recevant le produit accessoire (5) se déverse dans une benne d'alimentation (9) de produits secondaires. Ces deux bennes d'alimentation (8 et 9) contiennent au début du cycle chacune respectivement le produit principal (7) et le produit accessoire (5). Elles peuvent de déverser dans un conformateur (10) par l'intermédiaire d'un cône d'alimentation (11). Le conformateur (10) est constitué par un élément cylindrique autour duquel vient s'enrouler le film de matière plastique. Ce film de matière plastique est thermosoudé selon une ligne longitudinale parallèle à l'axe du conformateur (10). Ainsi, il se forme une enveloppe tubulaire (12) communiquant avec le canal d'alimentation (13) déterminé par le cône d'alimentation (11) et le conformateur (10). La partie inférieure (14) de l'enveloppe tubulaire ainsi formée est fermée par thermosoudure suivant une bande transversale (15).Similarly, the weigh bucket (s) (4) receiving the accessory product (5) pours into a feed bucket (9) of secondary products. These two feed buckets (8 and 9) each contain at the start of the cycle the main product (7) and the accessory product (5). They can pour into a conformator (10) via a cone supply (11). The conformator (10) consists of a cylindrical element around which the plastic film is wound. This plastic film is heat sealed along a longitudinal line parallel to the axis of the shaper (10). Thus, a tubular casing (12) is formed communicating with the feed channel (13) determined by the feed cone (11) and the shaper (10). The lower part (14) of the tubular envelope thus formed is closed by heat sealing along a transverse strip (15).

Sur la figure 2, le volet basculant (16) de la benne d'alimentation (9) de produit accessoire (5) est en position ouverte. De ce fait, elle a permis la chute du produit accessoire qu'elle contenait dans le canal d'alimentation (13). Le sachet de l'ingrédient (17) a ainsi pris place au fond de l'enveloppe tubulaire (12).In Figure 2, the tilting flap (16) of the accessory product feed bucket (9) (5) is in the open position. Therefore, it allowed the fall of the accessory product which it contained in the supply channel (13). The bag of the ingredient (17) has thus taken place at the bottom of the tubular envelope (12).

La figure 3, représente l'étape suivante du procédé. La trappe inférieure (16) de la benne d'alimentation (9) est refermée, et la trappe (18) de la benne de pesée (4) est ouverte. Ainsi, le produit accessoire que contenait cette benne de pesée (4) est libéré et est introduit dans la benne d'alimentation (9). Par ailleurs, des mâchoires chauffantes réalisent une bande thermosoudée (19) disposée en arrière du sachet (17) de produit complémentaire.Figure 3 shows the next step in the process. The lower hatch (16) of the feed bucket (9) is closed, and the hatch (18) of the weighing bucket (4) is open. Thus, the accessory product contained in this weigh bucket (4) is released and is introduced into the feed bucket (9). Furthermore, heating jaws produce a heat-sealed strip (19) disposed behind the bag (17) of complementary product.

La figure 4 représente l'étape suivante dans laquelle le volet inférieur (20) de la benne d'alimentation (8) de produit principal (7) a libéré une masse prédéterminée de produit principal (21). Cette masse prédéterminée (21) est passée par le canal d'alimentation (13) et a pris place dans le deuxième compartiment (22) de l'enveloppe tubulaire (12). Après fermeture du volet (20) de la benne d'alimentation (8), les trappes basculantes (23) des bennes de pesée (3) sélectionnées par le système de calcul de l'ensemble de pesée pondéral s'ouvre de façon à déterminer plusieurs masses de produit principal dont la somme correspond sensiblement à la masse de référence.FIG. 4 represents the next step in which the lower flap (20) of the main product feed bucket (8) (7) has released a predetermined mass of main product (21). This predetermined mass (21) passed through the supply channel (13) and took place in the second compartment (22) of the tubular casing (12). After closing the flap (20) of the feed bucket (8), the tilting hatches (23) of the weighing buckets (3) selected by the calculation system of the weight weighing assembly opens so as to determine several masses of main product, the sum of which corresponds substantially to the reference mass.

La figure 5 représente le sachet réalisé après thermosoudure d'une bande transversale (24) en arrière du produit principal (21) introduit précédemment dans le deuxième compartiment (22) de l'enveloppe tubulaire (12). L'enveloppe tubulaire est découpée selon une ligne transversale. Le bord transversal inférieur (25) de l'enveloppe tubulaire provenant du conformateur (11) est également fermée par thermosoudure, et le cycle peut ainsi recommencer avec l'introduction d'un nouveau produit accessoire (5).FIG. 5 shows the sachet produced after heat sealing a transverse strip (24) behind the main product (21) previously introduced into the second compartment (22) of the tubular envelope (12). The tubular casing is cut along a transverse line. The lower transverse edge (25) of the tubular casing coming from the shaper (11) is also closed by heat sealing, and the cycle can thus start again with the introduction of a new accessory product (5).

La figure 6 représente, de façon schématique, le diagramme des temps des différents postes de la chaîne de conditionnement.Figure 6 shows, schematically, the time diagram of the different stations of the packaging chain.

Pendant la phase T₁, le produit de base principal est approvisionné. Ce produit passe sur le cône de dispersion et vient alimenter les différentes bennes de pesée (3). Simultanément, et de façon séparée dans l'espace, le produit accessoire est introduit dans la benne de pesée (4).During phase T₁, the main basic product is supplied. This product passes over the dispersion cone and feeds the various weighing buckets (3). Simultaneously, and separately in space, the accessory product is introduced into the weigh bucket (4).

Le calculateur du système de pesée associative provoque l'ouverture de celles des bennes de pesée (3) dont la somme des masses de leur contenu correspond au mieux à la masse de référence. La libération du contenu des bennes de pesée (3) sélectionnées s'effectue pendant l'intervalle de temps T₂.The calculator of the associative weighing system causes the opening of those of the weighing buckets (3) whose sum of the masses of their contents corresponds best to the reference mass. The contents of the selected weigh buckets (3) are released during the time interval T₂.

Pendant l'essai de période T₁ et T₂, se produit l'avancement du film et la thermosoudure suivant l'axe longitudinal. Comme indiqué précédemment, le film de matière plastique comporte des marques susceptibles d'être détectées par des moyens de détection optiques ou autres. Lorsque cette marque arrive en face du détecteur, celui-ci émet un signal SA provoquant l'arrêt du défilement du film et signalant au calculateur que le premier compartiment de l'enveloppe tubulaire est prêt à recevoir le produit accessoire. Ce signal déclenche donc l'ouverture de la trappe inférieure (16) de la benne d'alimentation (9) du produit accessoire. Cette ouverture s'effectue pendant la période T₃. Lorsque le produit accessoire (5) a été libéré, le calculateur du système de pesée associative délivre un signal S₂ signalant au poste d'ensachage qu'il a bien libéré le produit accessoire et que la soudure suivant une ligne transversale peut être effectuée. Cette soudure s'effectue pendant la période T₅. Après cette soudure, le défilement du film est activé pendant une période T₆. Pendant cette période T₆ le film avance d'une longueur correspondant sensiblement à la hauteur du compartiment contenant le produit accessoire. Le film comportant un deuxième marquage, la cellule de détection génère un signal SB lorsqu'elle détecte la présence de cette marque. Ce signal SB indique à l'ordinateur central que la benne d'alimentation (8) peut libérer la masse de produit principal qu'elle contient. Cette libération s'effectue pendant la période de T₇. Lorsque la trappe inférieur (20) de la benne d'alimentation (8) de produit principal s'est ouverte, le système de pesée associative envoie un signal S₁ indiquant au poste d'ensachage qu'il peut procéder à la thermosoudure suivant une ligne transversale. Cette opération s'effectue pendant la période T₈. Lorsqu'elle est terminée, le sachet à deux compartiments ainsi réalisé est découpé, et le film s'avance à nouveau pour un nouveau cycle.During the test of period T₁ and T₂, the advancement of the film and the heat-sealing takes place along the longitudinal axis. As indicated above, the plastic film includes marks capable of being detected by optical or other detection means. When this mark arrives in front of the detector, it emits a signal S A causing the film to stop running and signaling to the computer that the first compartment of the tubular envelope is ready to receive the product. accessory. This signal therefore triggers the opening of the lower hatch (16) of the feed bucket (9) of the accessory product. This opening takes place during the period T₃. When the accessory product (5) has been released, the computer of the associative weighing system delivers a signal S₂ signaling to the bagging station that it has released the accessory product and that the welding along a transverse line can be carried out. This welding takes place during the period T₅. After this welding, the running of the film is activated for a period T₆. During this period T₆ the film advances by a length corresponding substantially to the height of the compartment containing the accessory product. The film comprising a second marking, the detection cell generates a signal S B when it detects the presence of this mark. This signal S B indicates to the central computer that the supply bucket (8) can release the mass of main product which it contains. This release takes place during the period of T₇. When the lower hatch (20) of the main product feed bucket (8) has opened, the associative weighing system sends a signal S₁ indicating to the bagging station that it can heat seal along a line transverse. This operation is carried out during the period T₈. When it is finished, the bag with two compartments thus produced is cut, and the film advances again for a new cycle.

La figure 7 représente un exemple de produit conditionné sur la présente invention. Le sachet est constitué par un premier compartiment (26) et un deuxième compartiment (27) reliés par une bande thermosoudée (28) transversale. L'extrémité inférieure (29) et l'extrémité supérieure (30) du sachet sont également fermées par thermosoudure. Le premier compartiment (26) contient le sachet d'ingrédient (31). Le deuxième compartiment (27) contient le produit principal par exemple des feuilles de salade. La face arrière (33) du premier compartiment (26) comporte des inscriptions qui apparaissent, lorsque ce deuxième compartiment (26) est replié sur la face avant (34) du deuxième compartiment (27) de façon visible par le consommateur. Le sachet étant habituellement réalisé en matière plastique transparente, le consommateur voit donc ainsi immédiatement les informations figurant sur la face arrière (33) du premier compartiment (26), le contenu de ce premier compartiment (26), le contenu du deuxième compartiment (27) et éventuellement les inscriptions figurant sur la face avant (34) du deuxième compartiment (27). Le premier compartiment (26) est maintenu sur la face avant (34) du deuxième compartiment (27) par tout moyen connu en particulier par une bande adhésive transparente.FIG. 7 shows an example of a product packaged on the present invention. The bag consists of a first compartment (26) and a second compartment (27) connected by a transverse heat-sealed strip (28). The lower end (29) and the upper end (30) of the bag are also closed by heat sealing. The first compartment (26) contains the ingredient bag (31). The second compartment (27) contains the main product, for example salad leaves. The rear face (33) of the first compartment (26) includes inscriptions which appear when this second compartment (26) is folded over the front face (34) of the second compartment (27) in a visible manner for the consumer. Since the bag is usually made of transparent plastic, the consumer therefore immediately sees the information appearing on the rear face (33) of the first compartment (26), the content of this first compartment (26), the content of the second compartment (27 ) and possibly the inscriptions appearing on the front face (34) of the second compartment (27). The first compartment (26) is held on the front face (34) of the second compartment (27) by any known means in particular by a transparent adhesive strip.

Il est bien évident que la description qui précède concerne un exemple particulier de réalisation, et que l'invention n'est en aucune façon limitée à ce qui est décrit. Bien au contraire, elle s'étend à toutes les variantes que l'homme du métier est à même de concevoir.It is obvious that the foregoing description relates to a particular embodiment, and that the invention is in no way limited to what is described. On the contrary, it extends to all the variants that a person skilled in the art is able to conceive.

Claims (9)

1 - Procédé de conditionnement dans une enveloppe à deux compartiments d'un produit principal constitué par des légumes frais préparés prêts à l'emploi provenant d'une première benne d'alimentation et d'un produit accessoire constitué par un ingrédient destiné à être associé au produit principal au moment de la consommation, le produit accessoire provenant d'une veine d'alimentation séparée de la première benne d'alimentation, du type selon lequel on introduit l'un des produits dans une enveloppe tubulaire fermée à l'extrémité inférieure et on referme l'enveloppe tubulaire selon une ligne sensiblement transversale, à l'arrière du dit produit, caractérisé en ce que l'on introduit ensuite le second produit dans une partie restant ouverte de ladite enveloppe tubulaire (12), on referme l'enveloppe tubulaire selon une deuxième ligne (24) sensiblement transversale, à l'arrière du second produit on découpe l'enveloppe tubulaire à deux compartiments ainsi réalisés, et on recommence le cycle avec un nouveau premier produit. 1 - Method for packaging in a two-compartment envelope a main product consisting of prepared ready-to-use fresh vegetables from a first feed bucket and an accessory product consisting of an ingredient intended to be combined to the main product at the time of consumption, the accessory product coming from a supply stream separated from the first feed bucket, of the type according to which one of the products is introduced into a tubular envelope closed at the lower end and the tubular casing is closed in a substantially transverse line, at the rear of the said product, characterized in that the second product is then introduced into a part that remains open of the said tubular casing (12), the tubular casing along a second substantially transverse line (24), behind the second product, the tubular casing with two compartments is thus cut ized, and the cycle is started again with a new first product. 2 - Procédé de conditionnement d'un produit principal et d'un produit accessoire suivant la revendication 1, caractérisé en ce que lesdites veines débouchent dans un conformateur (10) sensiblement cylindrique, un film de matière plastique étant mis en forme d'enveloppe tubulaire (12) par thermosoudure selon un axe longitudinal parallèle à l'axe longitudinal du dit conformateur, l'extrémité inférieure de l'enveloppe tubulaire ainsi formée étant fermée par thermosoudure selon une ligne sensiblement perpendiculaire à l'axe longitudinal, la première benne libérant le premier produit dans le conformateur, l'enveloppe (12) étant thermosoudée selon une ligne perpendiculaire à l'axe longitudinal, en arrière du premier produit, la seconde benne libérant le deuxième produit dans le conformateur (10), l'enveloppe tubulaire (12) étant thermosoudée selon une ligne perpendiculaire à l'arrière du dit deuxième produit, le sachet à deux compartiments ainsi réalisé ensuite découpé. 2 - A method of packaging a main product and an accessory product according to claim 1, characterized in that said veins open into a substantially cylindrical shaping device (10), a plastic film being formed into a tubular envelope (12) by heat sealing along a longitudinal axis parallel to the longitudinal axis of said shaper, the lower end of the tubular casing thus formed being closed by heat sealing along a line substantially perpendicular to the longitudinal axis, the first bucket releasing the first product in the former, the casing (12) being heat-sealed along a line perpendicular to the longitudinal axis, behind the first product, the second bucket releasing the second product in the former (10), the tubular casing (12 ) being heat-sealed along a line perpendicular to the back of said second product, the bag with two compartments thus produced then cut out. 3 - Chaîne de conditionnement pour la mise en oeuvre du procédé selon la revendication 1 ou 2, caractérisé en ce qu'elle comporte des moyens pour délivrer une masse prédéterminée d'un produit principal constitué par des légumes frais préparés dans le canal d'alimentation d'un poste d'ensachage, des moyens pour délivrer une masse prédéterminée d'un produit accessoire dans ledit canal d'alimentation, lesdits moyens étant séparés et libérant leur contenu en alternance, ladite chaîne de conditionnement comportant en outre un poste d'ensachage constitué par un conformateur (10), coopérant avec ledit canal d'alimentation (13), des moyens d'alimentation en film plastique, des moyens de soudure du film selon un axe longitudinal, et des moyens de soudure de l'enveloppe tubulaire selon une ligne transversale perpendiculaire à l'axe longitudinal. 3 - Packaging chain for the implementation of the method according to claim 1 or 2, characterized in that it comprises means for delivering a predetermined mass of a main product consisting of fresh vegetables prepared in the supply channel a bagging station, means for delivering a predetermined mass of an accessory product into said supply channel, said means being separated and releasing their contents alternately, said packaging line further comprising a bagging station constituted by a shaper (10), cooperating with said supply channel (13), means for supplying plastic film, means for welding the film along a longitudinal axis, and means for welding the tubular casing along a transverse line perpendicular to the longitudinal axis. 4 - Chaîne de conditionnement selon la revendication 3, caractérisée en qu'elle comporte des moyens de détection de la position de repères marqués sur le film de matière plastique, lesdits moyens de détection transmettant un signal d'asservissement à l'ordinateur de contrôle du processus de conditionnement. 4 - Packaging chain according to claim 3, characterized in that it comprises means for detecting the position of marked marks on the plastic film, said detection means transmitting a control signal to the computer controlling the conditioning process. 5 - Chaîne de conditionnement selon la revendication précédente, caractérisée en ce que les moyens pour délivrer une masse prédéterminée de produits sont constitués par une pluralité de têtes de pesage associatives. 5 - Packaging chain according to the preceding claim, characterized in that the means for delivering a predetermined mass of products are constituted by a plurality of associative weighing heads. 6 - Chaîne de conditionnement suivant la revendication précédente, caractérisée en ce que les têtes de pesage associatives sont alimentées par l'intermédiaire d'un cône de dispersion vibrant. 6 - Packaging chain according to the preceding claim, characterized in that the associative weighing heads are supplied via a vibrating dispersion cone. 7 - Sachet de légumes frais prêts à l'emploi conditionnés selon l'un quelconque des procédés faisant l'objet des revendications 1 à 2, caractérisé en qu'il est constitué par une enveloppe tubulaire formant un premier compartiment contenant le produit principal et un second compartiment contenant le produit accesoire, lesdits compartiments étant séparés par une ligne thermosoudée (28). 7 - Bag of ready-to-use fresh vegetables packaged according to any one of the methods forming the subject of claims 1 to 2, characterized in that it is constituted by a tubular envelope forming a first compartment containing the main product and a second compartment containing the accessory product, said compartments being separated by a heat-sealed line (28). 8 - Sachet de légumes frais prêts à l'emploi selon la revendication précédente, caractérisé en ce que le produit accessoire est constitué par un sachet de matière plastique contenant un ingrédient destiné à être associé au produit principal au moment de la consommation. 8 - Bag of ready-to-use fresh vegetables according to the preceding claim, characterized in that the accessory product consists of a plastic bag containing an ingredient intended to be associated with the main product at the time of consumption. 9 - Sachet de légumes frais prêts à l'emploi selon les revendications 7 et 8, caractérisé en ce que le premier compartiment porte sur sa face avant une zone d'information, le deuxième compartiment (26) comporte sur sa face arrière (33) une zone d'information, lesdites zones d'informations étant têtes-bêche, le compartiment (26) contenant le produit accessoire (31) étant rabattu sur la face avant du compartiment (27) contenant le produit principal. 9 - Bag of ready-to-use fresh vegetables according to claims 7 and 8, characterized in that the first compartment carries on its front face an information zone, the second compartment (26) has on its rear face (33) an information zone, said information zones being head to tail, the compartment (26) containing the accessory product (31) being folded down on the front face of the compartment (27) containing the main product.
EP91400639A 1990-03-21 1991-03-07 Method of packaging pre-prepared vegetables, corresponding packaging line and pre-prepared vegetables packaged by this method Withdrawn EP0448440A1 (en)

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Application Number Priority Date Filing Date Title
FR9003631 1990-03-21
FR9003631A FR2659937A1 (en) 1990-03-21 1990-03-21 PROCESS FOR PACKAGING READY-TO-USE VEGETABLES, OR PACKAGING CHAIN AND READY-TO-USE VEGETABLES THUS PACKED.

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US20140361018A1 (en) * 2013-06-10 2014-12-11 Frito-Lay North America, Inc. Method and apparatus for producing multi-compartment packages
US9238537B2 (en) * 2013-06-10 2016-01-19 Frito-Lay North America, Inc. Method for producing multi-compartment packages
US20160083126A1 (en) * 2014-09-23 2016-03-24 Pouch Pac Innovations, Llc Machine and method of manufacturing a two-compartment pouch
US9981761B2 (en) * 2014-09-23 2018-05-29 Pouch Pac Innovations, Llc Machine and method of manufacturing a two-compartment pouch
US10759552B2 (en) 2014-09-23 2020-09-01 Pouch Pac Innovations, Llc Machine and method of manufacturing a two-compartment pouch
US20190084702A1 (en) * 2016-04-29 2019-03-21 Philip Morris Products S.A. Method of forming multi-compartment tobacco pouch
US11155374B2 (en) * 2016-04-29 2021-10-26 Philip Morris Products S.A. Method of forming multi-compartment tobacco pouch
CN118182953A (en) * 2024-05-17 2024-06-14 四川南充华景智农农业装备制造有限公司 Multi-runner packaging system and method for dried objects

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