EP1440889B1 - Carton container having ventilation means - Google Patents
Carton container having ventilation means Download PDFInfo
- Publication number
- EP1440889B1 EP1440889B1 EP04290131A EP04290131A EP1440889B1 EP 1440889 B1 EP1440889 B1 EP 1440889B1 EP 04290131 A EP04290131 A EP 04290131A EP 04290131 A EP04290131 A EP 04290131A EP 1440889 B1 EP1440889 B1 EP 1440889B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- packaging
- walls
- tabs
- outer face
- side walls
- 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.)
- Expired - Lifetime
Links
- 238000009423 ventilation Methods 0.000 title description 2
- 238000004806 packaging method and process Methods 0.000 claims description 51
- 239000011111 cardboard Substances 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 11
- 239000004033 plastic Substances 0.000 claims description 5
- 229920003023 plastic Polymers 0.000 claims description 5
- 230000003750 conditioning effect Effects 0.000 abstract description 4
- 239000003570 air Substances 0.000 description 12
- 239000007789 gas Substances 0.000 description 7
- 239000002985 plastic film Substances 0.000 description 7
- 229920006255 plastic film Polymers 0.000 description 7
- 239000012080 ambient air Substances 0.000 description 6
- 210000002105 tongue Anatomy 0.000 description 4
- 235000013305 food Nutrition 0.000 description 3
- 208000031968 Cadaver Diseases 0.000 description 2
- 230000000284 resting effect Effects 0.000 description 2
- 239000012815 thermoplastic material Substances 0.000 description 2
- 240000008042 Zea mays Species 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000000123 paper Substances 0.000 description 1
- 239000011087 paperboard Substances 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
Images
Classifications
-
- 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
- B65D21/00—Nestable, stackable or joinable containers; Containers of variable capacity
- B65D21/02—Containers specially shaped, or provided with fittings or attachments, to facilitate nesting, stacking, or joining together
- B65D21/0209—Containers specially shaped, or provided with fittings or attachments, to facilitate nesting, stacking, or joining together stackable or joined together one-upon-the-other in the upright or upside-down position
- B65D21/0212—Containers presenting local stacking elements protruding from the upper or lower edge of a side wall, e.g. handles, lugs, ribs, grooves
-
- 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
- B65D5/00—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
- B65D5/20—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper by folding-up portions connected to a central panel from all sides to form a container body, e.g. of tray-like form
- B65D5/22—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper by folding-up portions connected to a central panel from all sides to form a container body, e.g. of tray-like form held erect by extensions of one or more sides being doubled-over to enclose extensions of adjacent sides
-
- 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
- B65D5/00—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
- B65D5/42—Details of containers or of foldable or erectable container blanks
- B65D5/4295—Ventilating arrangements, e.g. openings, space elements
Definitions
- the present invention relates to a packaging made of a semi-rigid material such as cardboard or corrugated cardboard, especially for fresh foodstuffs. In one of its forms of implementation, it relates more particularly to a packaging of this type capable of being closed by an air permeable cover.
- the semi-rigid material constituting these packings is coated, at least on the faces of its different parts facing inwards, with a continuous flexible film of a plastics material impervious to gases and liquids.
- These packages are also open at their upper part, but edges also sheathed with this plastic film can project parallel to the bottom, so as to be welded, after placing the commodity or packaged products, a plastic film closure .
- the plastic films used in the past as seals had the disadvantage of being impervious to air, whereas for certain packaged products or for products intended to undergo a treatment, it is desirable that the air located at the Inside the packaging can be renewed and a gas exchange can occur between the inside and the outside of the packaging.
- the present invention aims to overcome this disadvantage by arranging these various packaging so as to allow free circulation of air between layers of such packages.
- the invention therefore relates to a packaging made of a semi-rigid material such as cardboard or corrugated cardboard, this packaging comprising a bottom part and side walls, at least some of which are articulated on this bottom part, this packaging characterized in that, in order to allow a free flow of air between superimposed layers of such a package, tabs attached to certain walls of the package or to internal or external flaps adjoining walls of the package are folded against the outer face of the bottom and are integral, to form local extra thicknesses on the bottom and raise it thus compared to a similar conditioning on which it can be brought to rest.
- tabs can be glued, welded or locked mechanically in position on the outer face of the bottom, in particular in the corners thereof, and the extra thickness they form between a pair of layers of similar packaging superimposed an interval allowing ambient air to circulate and or to come renew the one inside the packages, or to let out the gases formed in the packaging by reaction between the various products or commodities that are packaged therein.
- At least one fold line joining the bottom and at least one lateral wall and extending between two lugs arranged on the same side of the outer face from the bottom forms a curved line whose concavity is turned outwards.
- the central portion of the bottom is even higher than the legs joined by this fold line.
- the invention is particularly well suited to packaging made of a semi-rigid material, the inside of which is coated with a film of plastics material and which comprises, at the upper part of certain walls, portions projecting laterally, parallel to the bottom, and intended to to receive a seal closure permeable to air.
- the side walls of the packaging can advantageously be inclined towards the bottom, so that the cross section of the packaging is wider at its upper part than at the bottom, thus offering a wide passage to the air circulating between packages of one and the same layer, or between adjacent cells of such packages, flanges of the plastic film possibly projecting outwards and arranged in the upper part of these packagings, thus also ensuring a similar function .
- the packaging according to the invention is therefore particularly suitable for transport, storage and display for sale, in the form of superimposed layers, of foodstuffs, in particular foodstuffs, or products for which excellent circulation of ambient and / or indoor air is necessary for their heating or cooling, maturation and / or preservation.
- flaps 4 forming internal flaps are articulated by fold lines perpendicular to the bottom, these flaps 4 being folded perpendicular to these walls 2 against the inner face of the walls 3 contiguous and clamped between the wall 3 associated and a panel 5, articulated by a double upset parallel to the bottom 1 to the upper part of this wall 3 and folded against this wall inside the packaging.
- a tongue 6 protruding towards the bottom 1 from the adjacent edge of the panel 5, is engaged in a slot 7 formed in the corresponding position in the bottom 1, to lock the packaging in the mounted position.
- tongues 8 cut at the ends of the walls 3, in a position contiguous to the bottom 1, are adjacent by a double upset to the adjacent flaps 4 and are folded perpendicular thereto, to come into application and be glued against the outer face of the bottom 1, where they form at each corner an extra thickness.
- the fold lines 10 by which the walls 2 are articulated on the bottom are not perfectly parallel to each other, but are slightly curved between the tongues 8 at their ends. , with their concavity facing outwards, so that the median part of the base of the walls 2 is raised relative to the tongues 8.
- the communication between the inside of the package and the ambient atmosphere is thus increased by 'a particularly simple way.
- the fold lines 10 'through which the transverse walls 3 are hinged to the bottom 1 may also be curved, with their concavity facing outwards, in place of or in addition to the fold lines 10.
- the packaging shown in Figures 4 to 8 is of the general type marketed by the Applicant under the name PUR-T (registered trademark). It comprises a corrugated body which, unlike a conventional tray and the packaging shown in FIGS. 1 to 3, is provided inside with a thermoformed coating of food grade plastic, which makes it suitable for receiving fresh food products, and it is intended to be closed, after filling, by a gas permeable cover.
- PUR-T registered trademark
- a film of thermoplastic material is thermoformed inside the package and forms a flange 18, continuous or not, projecting outwardly, at the top of the package. packaging.
- This film completely sheaths the face of the parts facing the inside of the package as well as the outwardly facing face of the parts 16 and 14 and the portion 17a of the flaps 17 located between the double upsets, on which can thus be fixed a seal 19 permeable to gas (see Figure 3), after filling the package.
- the packages thus produced in series form a plate in which they are attached to each other by their edges 18 of thermoplastic material and the plates of these closed and full packages are delivered stacked on top of each other to their distributors after filling.
- articulated legs 20 by folding lines at the base of the walls 14 are folded against the outer face of the bottom 11, which they are made integral, so as to form on this bottom a thickening, which raises the bottoms of the packaging of the same plate relative to the lids of the packaging of another plate on which they rest.
- the fold lines 21, by which the walls 13 are hinged to the bottom 11 and which join the tabs 20 contiguous are not straight, but curved so that their concavity is turned towards the outside of the package, that is to say that their central portion is raised relative to their ends corresponding to the base of the side walls 3.
- the central portion of the bottom of a package is thus further raised relative to the lid of the similar packaging on which it rests.
- the fold lines 22, by which the walls 12 are hinged to the bottom 11, can be curved, with their concavity facing outwards, in addition to the lines 21 or in place of those -this.
- tabs 20 instead of the tabs 20 described above, it is also possible to provide tabs 23 cut at the base of the walls 20, in parts thereof which are lined internally by the flaps, and articulated on the bottom 11 by a portion of the fold line 22 (see Figure 8, where the tabs 23 are shown in phantom).
- This packaging is particularly well suited to the packaging of foodstuffs or products for which it is important that is renewed, through the lid that closes, the air in this packaging.
- the invention is not limited to the types of packaging or embodiments that have just been described.
- the legs folded against the outer face of the bottom instead of being articulated at the base of certain side walls of the package, could also be articulated on flaps adjacent to the upper part of certain walls and folded against the outer face of these.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cartons (AREA)
- Packages (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
- Paper (AREA)
Abstract
Description
La présente invention concerne un conditionnement en un matériau semi-rigide tel que le carton ou le carton ondulé, notamment pour denrées alimentaires fraîches. Dans une de ses formes de mise en oeuvre, elle concerne plus particulièrement un conditionnement de ce type apte à être obturé par un opercule perméable à l'air.The present invention relates to a packaging made of a semi-rigid material such as cardboard or corrugated cardboard, especially for fresh foodstuffs. In one of its forms of implementation, it relates more particularly to a packaging of this type capable of being closed by an air permeable cover.
De nombreux conditionnements en carton et en carton ondulé, éventuellement traité, ont été proposés dans la technique pour le transport et l'exposition en vente de denrées alimentaires fraîches. Ils sont habituellement ouverts à leur partie supérieure et sont par exemple du type plateau ou barquette.Many packaging paperboard and corrugated board, optionally treated, have been proposed in the art for the transport and display for sale of fresh food. They are usually open at their upper part and are for example tray type or tray.
Pour certaines denrées à conditionner, le matériau semi-rigide constituant ces conditionnements est cependant revêtu, au moins sur les faces de ses différentes parties tournées vers l'intérieur, d'une pellicule souple continue d'une matière plastique imperméable aux gaz et aux liquides. Ces emballages sont aussi ouverts à leur partie supérieure, mais des rebords également gainés de cette pellicule plastique peuvent faire saillie parallèlement au fond, de manière à pouvoir y souder, après mise en place de la denrée ou des produits conditionnés, un film plastique de fermeture.For certain products to be packaged, however, the semi-rigid material constituting these packings is coated, at least on the faces of its different parts facing inwards, with a continuous flexible film of a plastics material impervious to gases and liquids. . These packages are also open at their upper part, but edges also sheathed with this plastic film can project parallel to the bottom, so as to be welded, after placing the commodity or packaged products, a plastic film closure .
Les films plastiques utilisés par le passé comme opercules présentaient l'inconvénient d'être imperméables à l'air, alors que, pour certaines denrées conditionnées ou pour des produits destinés à subir un traitement, il est souhaitable que l'air situé à l'intérieur du conditionnement puisse être renouvelé et qu'un échange de gaz puisse se produire entre l'intérieur et l'extérieur du conditionnement.The plastic films used in the past as seals had the disadvantage of being impervious to air, whereas for certain packaged products or for products intended to undergo a treatment, it is desirable that the air located at the Inside the packaging can be renewed and a gas exchange can occur between the inside and the outside of the packaging.
On a donc été amené à substituer aux opercules imperméables aux gaz des matériaux qui sont perméables à l'air, par exemple à base de plastiques ou de certains papiers complexés soudables.It has therefore been necessary to replace the gas-impermeable lids with materials which are permeable to air, for example based on plastics or certain complexed, weldable papers.
Ces matériaux donnent entièrement satisfaction, mais on a constaté que, lorsque les emballages sont superposés en plusieurs couches, avec le fond des emballages d'une couche en appui sur les pellicules de fermeture des emballages de la couche immédiatement inférieure de la pile, les fonds des emballages s'opposent à une circulation satisfaisante de l'air ambiant vers l'intérieur des emballages, ou inversement des gaz de l'intérieur de l'emballage vers l'extérieur de celui-ci.These materials are entirely satisfactory, but it has been found that, when the packages are superimposed in several layers, with the bottom of the packages having a layer resting on the closure films of the packages of the immediately lower layer of the stack, the funds packages oppose a satisfactory circulation of ambient air to the interior of the packages, or conversely gases from the inside of the package to the outside of the packaging; this one.
On peut rencontrer un problème analogue même lorsque l'emballage est constitué simplement de carton ou de carton ondulé d'une porosité très fermée, traité ou non, mais non revêtu d'une pellicule de matière plastique.A similar problem can be encountered even when the package is simply made of cardboard or corrugated board with a very closed porosity, treated or not, but not coated with a plastic film.
La présente invention vise à remédier à cet inconvénient en aménageant ces divers conditionnements de manière à permettre une libre circulation de l'air entre des couches superposées de tels emballages.The present invention aims to overcome this disadvantage by arranging these various packaging so as to allow free circulation of air between layers of such packages.
L'invention a par conséquent pour objet un conditionnement en un matériau semi-rigide tel que le carton ou le carton ondulé, ce conditionnement comprenant une partie de fond et des parois latérales dont certaines au moins sont articulées sur cette partie de fond, ce conditionnement étant caractérisé en ce que, en vue de permettre une libre circulation de l'air entre des couches superposées d'un tel conditionnement, des pattes attenantes à certaines parois du conditionnement ou à des rabats internes ou externes attenants à des parois du conditionnement sont repliées contre la face externe du fond et en sont solidaires, afin de former des surépaisseurs locales sur ce fond et de le surélever ainsi par rapport à un conditionnement analogue sur lequel il peut être amené à reposer.The invention therefore relates to a packaging made of a semi-rigid material such as cardboard or corrugated cardboard, this packaging comprising a bottom part and side walls, at least some of which are articulated on this bottom part, this packaging characterized in that, in order to allow a free flow of air between superimposed layers of such a package, tabs attached to certain walls of the package or to internal or external flaps adjoining walls of the package are folded against the outer face of the bottom and are integral, to form local extra thicknesses on the bottom and raise it thus compared to a similar conditioning on which it can be brought to rest.
Ces pattes peuvent être collées, soudées ou verrouillées mécaniquement en position sur la face externe du fond, en particulier dans les angles de celui-ci, et les surépaisseurs qu'elles y forment ménagent entre deux couches de conditionnements analogues superposées un intervalle permettant à l'air ambiant d'y circuler et ou de venir renouveler celui qui se trouve à l'intérieur des emballages, ou encore de laisser s'échapper les gaz formés dans l'emballage par réaction entre les différents produits ou denrées qui y sont conditionnés.These tabs can be glued, welded or locked mechanically in position on the outer face of the bottom, in particular in the corners thereof, and the extra thickness they form between a pair of layers of similar packaging superimposed an interval allowing ambient air to circulate and or to come renew the one inside the packages, or to let out the gases formed in the packaging by reaction between the various products or commodities that are packaged therein.
De préférence, afin d'accroître cette liberté de circulation de l'air ambiant, au moins une ligne de pliage réunissant le fond et au moins une paroi latérale quelconque et s'étendant entre deux pattes disposées d'un même côté de la face externe du fond, forme une ligne courbe dont la concavité est tournée vers l'extérieur. De cette manière, après mise en forme du conditionnement, la partie centrale du fond est encore plus surélevée que les pattes réunies par cette ligne de pliage.Preferably, in order to increase this freedom of circulation of ambient air, at least one fold line joining the bottom and at least one lateral wall and extending between two lugs arranged on the same side of the outer face from the bottom, forms a curved line whose concavity is turned outwards. In this way, after forming the packaging, the central portion of the bottom is even higher than the legs joined by this fold line.
L'invention est particulièrement bien adaptée aux conditionnements en un matériau semi-rigide dont l'intérieur est revêtu d'une pellicule de matière plastique et qui comportent à la partie supérieure de certaines parois des parties faisant saillie latéralement, parallèlement en fond, et destinées à recevoir un opercule de fermeture perméable à l'air.The invention is particularly well suited to packaging made of a semi-rigid material, the inside of which is coated with a film of plastics material and which comprises, at the upper part of certain walls, portions projecting laterally, parallel to the bottom, and intended to to receive a seal closure permeable to air.
Dans une telle réalisation, les parois latérales du conditionnement peuvent avantageusement être inclinées vers le fond, de façon telle que la section transversale du conditionnement soit plus large à sa partie supérieure qu'au niveau du fond, en offrant ainsi un large passage à l'air circulant entre des conditionnements d'une même couche, ou entre des piles contiguës de tels conditionnements, des rebords de la pellicule de matière plastique faisant éventuellement saillie vers l'extérieur et ménagés à la partie supérieure de ces emballages assurant alors aussi une fonction analogue.In such an embodiment, the side walls of the packaging can advantageously be inclined towards the bottom, so that the cross section of the packaging is wider at its upper part than at the bottom, thus offering a wide passage to the air circulating between packages of one and the same layer, or between adjacent cells of such packages, flanges of the plastic film possibly projecting outwards and arranged in the upper part of these packagings, thus also ensuring a similar function .
L'emballage conforme à l'invention est donc particulièrement bien approprié au transport, au stockage et à l'exposition en vente, sous forme de couches superposées, de denrées, notamment de denrées alimentaires, ou de produits pour lesquels une excellente circulation de l'air ambiant et/ou intérieur s'avère nécessaire à leur réchauffement ou à leur refroidissement, à leur maturation et/ou à leur conservation.The packaging according to the invention is therefore particularly suitable for transport, storage and display for sale, in the form of superimposed layers, of foodstuffs, in particular foodstuffs, or products for which excellent circulation of ambient and / or indoor air is necessary for their heating or cooling, maturation and / or preservation.
Deux formes de mise en oeuvre de l'invention vont être décrites ci-après à titre d'exemples, en référence aux dessins annexés, mais il sera clair, pour l'homme du métier, que l'invention s'applique à bien d'autres types d'emballages.Two embodiments of the invention will be described hereinafter by way of example, with reference to the accompanying drawings, but it will be clear to those skilled in the art that the invention applies to many people. other types of packaging.
Sur les dessins :
- Les figures 1 et 2 sont des vues en perspective de trois-quarts, respectivement de dessus et de dessous, d'un conditionnement en carton ou en carton ondulé du type barquette conforme à l'invention, non gainé d'une pellicule en matière plastique ;
- La figure 3 est une vue en plan du flan de carton ou de carton ondulé prédécoupé et refoulé dont est issu le conditionnement des figures 1 et 2 ;
- Les figures 4 et 5 sont des vues analogues aux figures 1 et 2 du corps d'un autre conditionnement en carton ou carton ondulé conforme à l'invention, mais gainé d'une pellicule de matière plastique et destiné à être obturé par un opercule ;
- La figure 6 est une vue en élévation latérale du conditionnement des figures 4 et 5 obturé par un opercule ;
- La figure 7 est une vue en perspective de deux conditionnements fermés du type de la figure 6, empilés l'un sur l'autre ;
- La figure 8 est une vue en plan du flan de carton ou carton ondulé prédécoupé et refoulé, à partir duquel peut être mis en forme un corps de conditionnement des figures 4 à 7.
- FIGS. 1 and 2 are three-quarter perspective views, respectively from above and from below, of a carton or corrugated cardboard packaging of the type according to the invention, not lined with a plastic film. ;
- Figure 3 is a plan view of the blank of cardboard or corrugated cardboard precut and reprocessed which is derived from the packaging of Figures 1 and 2;
- Figures 4 and 5 are views similar to Figures 1 and 2 of the body of another packaging cardboard or corrugated cardboard according to the invention, but sheathed with a plastic film and intended to be closed by a cover;
- Figure 6 is a side elevational view of the packaging of Figures 4 and 5 closed by a lid;
- Figure 7 is a perspective view of two closed packages of the type of Figure 6, stacked one on the other;
- FIG. 8 is a plan view of the precut blank and corrugated cardboard blank, from which a conditioning body of FIGS. 4 to 7 can be formed.
On se référera d'abord aux figures 1 à 3.Reference is made first to FIGS. 1 to 3.
L'emballage représenté est d'un type général connu en soi, comprenant :
- une partie de
fond 1, ici de forme sensiblement rectangulaire ; - deux parois longitudinales 2, articulées par deux lignes de
pliage 10 suivant deux côtés parallèles dufond 1 et dressées perpendiculairement à celui-ci ; - deux parois transversales 3, articulées par deux lignes de pliage suivant les deux autres côtés du
fond 1 et également dressées perpendiculairement à celui-ci.
- a
bottom portion 1, here of substantially rectangular shape; - two
longitudinal walls 2 articulated by twofold lines 10 along two parallel sides of thebottom 1 and erected perpendicular thereto; - two
transverse walls 3, articulated by two fold lines along the other two sides of thebottom 1 and also erected perpendicularly thereto.
Aux deux extrémités des parois 2, des volets 4 formant des rabats internes sont articulés par des lignes de pliage perpendiculaires au fond, ces volets 4 étant repliés perpendiculairement à ces parois 2 contre la face interne des parois 3 contiguës et pincés entre la paroi 3 associée et un panneau 5, articulé par un double refoulage parallèle au fond 1 à la partie supérieure de cette paroi 3 et rabattu contre cette paroi à l'intérieur du conditionnement. Une languette 6, faisant saillie en direction du fond 1 à partir du bord contigu du panneau 5, est engagée dans une fente 7 ménagée en position correspondante dans le fond 1, pour verrouiller le conditionnement en position montée.At both ends of the
Conformément à l'invention, des languettes 8 découpées aux extrémités des parois 3, en position contiguë au fond 1, sont attenantes par un double refoulage aux volets 4 contigus et sont repliées perpendiculairement à ceux-ci, pour venir s'appliquer et être collées contre la face externe du fond 1, où elles forment ainsi à chaque coin une surépaisseur externe.According to the invention,
Lorsque les emballages pleins sont empilés les uns sur les autres, chacun d'entre eux prend appui sur les parties 9 disposées entre les doubles refoulages par lesquels les parois 3 de l'emballage immédiatement inférieur sont articulées sur les panneaux 5 attenants et, dans cette position, les languettes 8 forment des cales d'épaisseur, qui permettent ainsi un accès aisé de l'air ambiant vers l'intérieur de l'emballage et l'évacuation vers l'extérieur des gaz émis par les denrées conditionnées.When the full packages are stacked on each other, each of them bears on the
Pour favoriser et accroître cette ventilation de l'intérieur de l'emballage, les lignes de pliage 10 par lesquelles les parois 2 sont articulées sur le fond ne sont pas parfaitement parallèles entre elles, mais sont légèrement incurvées entre les languettes 8 situées à leurs extrémités, avec leur concavité tournée vers l'extérieur, de manière que la partie médiane de la base des parois 2 soit surélevée par rapport aux languettes 8. La communication entre l'intérieur de l'emballage et l'atmosphère ambiante en est ainsi accrue d'une façon particulièrement simple. Les lignes de pliage 10' par lesquelles les parois transversales 3 sont articulées sur le fond 1 peuvent également être incurvées, avec leur concavité tournée vers l'extérieur, à la place des lignes de pliage 10 ou en plus de celles-ci.To promote and increase this ventilation of the interior of the package, the
L'emballage représenté sur les figures 4 à 8 est du type général commercialisé par la Demanderesse sous l'appellation PUR-T (marque déposée). Il comprend un corps en carton ondulé, qui, à la différence d'une barquette usuelle et de l'emballage représenté sur les figures 1 à 3, est muni à l'intérieur d'un revêtement thermoformé en matière plastique de qualité alimentaire, qui le rend apte à recevoir des produits alimentaires frais, et il est destiné à être obturé, après remplissage, par un opercule perméable aux gaz.The packaging shown in Figures 4 to 8 is of the general type marketed by the Applicant under the name PUR-T (registered trademark). It comprises a corrugated body which, unlike a conventional tray and the packaging shown in FIGS. 1 to 3, is provided inside with a thermoformed coating of food grade plastic, which makes it suitable for receiving fresh food products, and it is intended to be closed, after filling, by a gas permeable cover.
Ce corps comprend, de façon connue en soi :
- une partie de
fond 11, ici de forme octogonale ; - deux parois latérales 12, articulées respectivement par une ligne de pliage suivant deux côtés opposés du
fond 11 ; - deux autres parois latérales 13, articulées respectivement par une ligne de pliage sur le
fond 11 suivant deux côtés de celui-ci non contigus à ceux par lesquels lesparois 12 sont articulées sur ce fond ; - quatre parois latérales 14, deux d'entre elles étant associées à chacune des
parois 13, suivant les bords latéraux desquelles elles sont articulées par des lignes de pliage inclinées par rapport aufond 11 ; - quatre
volets 15, chacun d'entre eux étant articulé par une ligne de pliage inclinée par rapport aufond 11 sur l'une desparois 14, cesvolets 15 étant destinés à venir s'appliquer contre la face interne desparois 12 contiguës pour en être rendus solidaires ; - des parties en
saillie 16, articulées par une ligne de pliage suivant un bord desvolets 14 opposé aufond 11, cesparties 16 étant repliées parallèlement au fond vers l'intérieur de l'emballage en prenant appui sur l'arête supérieure desvolets 15, avec uneextrémité 16a repliée contre la face externe de ceux-ci et collée contre eux ou éventuellement verrouillée mécaniquement en position, dans une partie doublée d'uneparoi 12 ; - des
rabats 17, articulés par un double refoulage sur lesparois 3, suivant un côté de ces parois opposé aufond 11, et repliés contre les faces internes de cesparois 13.
- a
bottom portion 11, here of octagonal shape; - two
side walls 12, articulated respectively by a fold line along two opposite sides of thebottom 11; - two
other side walls 13, articulated respectively by a fold line on thebottom 11 along two sides thereof not adjacent to those by which thewalls 12 are articulated on the bottom; - four
side walls 14, two of which are associated with each of thewalls 13, along the lateral edges of which they are articulated by fold lines inclined relative to thebottom 11; - four
flaps 15, each of them being articulated by a fold line inclined relative to thebottom 11 on one of thewalls 14, theseflaps 15 being intended to come to bear against theinner face walls 12 contiguous to be made integral; - protruding
parts 16, articulated by a fold line along an edge of theflaps 14 opposite the bottom 11, theseparts 16 being folded parallel to the bottom towards the inside of the package by resting on the upper edge of theflaps 15 , with oneend 16a folded against the outer face thereof and glued against them or possibly mechanically locked in position, in a portion lined with awall 12; - flaps 17, articulated by a double upset on the
walls 3, along one side of these walls opposite the bottom 11, and folded against the inner faces of thesewalls 13.
Comme on le voit mieux sur les figures 4 à 7, une pellicule de matière thermoplastique est thermoformée à l'intérieur de l'emballage et forme un rebord 18, continu ou non, faisant ici saillie vers l'extérieur, à la partie supérieure de l'emballage. Cette pellicule gaine complètement la face des parties tournée vers l'intérieur de l'emballage ainsi que la face tournée vers l'extérieur des parties 16 et 14 et la portion 17a des rabats 17 située entre les doubles refoulages, sur lesquelles peut ainsi être fixé un opercule 19 perméable aux gaz (voir figure 3), après remplissage de l'emballage.As best seen in FIGS. 4 to 7, a film of thermoplastic material is thermoformed inside the package and forms a
Les emballages ainsi fabriqués en série forment une plaque dans laquelle ils sont attenants entre eux par leurs rebords 18 en matière thermoplastique et les plaques de ces emballages pleins et fermés sont livrées empilées les unes sur les autres à leurs distributeurs après remplissage.The packages thus produced in series form a plate in which they are attached to each other by their
Conformément à l'invention, afin de permettre un libre passage de l'air ambiant vers l'intérieur ou vers l'extérieur des emballages à travers leur opercule, et une libre circulation de l'air entre les différentes couches, des pattes 20 articulées par des lignes de pliage à la base des parois 14 sont repliées contre la face externe du fond 11, dont elles sont rendues solidaires, de manière à former sur ce fond une surépaisseur, qui surélève les fonds des emballages d'une même plaque par rapport aux opercules des emballages d'une autre plaque sur lesquels ils reposent.According to the invention, to allow a free passage of ambient air inward or outward of the packages through their lid, and a free flow of air between the different layers, articulated
Toujours afin de favoriser la circulation d'air entre les fonds des emballages d'une plaque et les opercules des emballages d'une autre plaque sur lesquels ils reposent, les lignes de pliage 21, par lesquelles les parois 13 sont articulées sur le fond 11 et qui réunissent les pattes 20 contiguës, ne sont pas rectilignes, mais incurvées de façon telle que leur concavité soit tournée vers l'extérieur de l'emballage, c'est-à-dire que leur partie centrale soit surélevée par rapport à leurs extrémités correspondant à la base des parois latérales 3. Comme on le voit sur la figure 7, la partie centrale du fond d'un emballage est ainsi encore davantage surélevée par rapport à l'opercule de l'emballage analogue sur lequel il repose.Also in order to promote the circulation of air between the bottoms of the packaging of a plate and the lids of the packaging of another plate on which they rest, the fold lines 21, by which the
Comme dans la forme de réalisation précédente, les lignes de pliage 22, par lesquelles les parois 12 sont articulées sur le fond 11, peuvent être incurvées, avec leur concavité tournée vers l'extérieur, en plus des lignes 21 ou à la place de celles-ci.As in the previous embodiment, the fold lines 22, by which the
L'inclinaison des parois par rapport au fond de chaque emballage et l'écartement créé entre les emballages d'une même plaque par les rebords 18 de la matière thermoformée, lorsque ceux-ci sont prévus, favorisent encore la circulation de l'air ambiant entre les emballages d'une même plaque et entre piles contiguës de tels emballages.The inclination of the walls relative to the bottom of each package and the gap created between the packages of the same plate by the
Dans la forme de réalisation de l'invention des figures 4 à 8, au lieu des pattes 20 décrites ci-dessus, on peut aussi prévoir des pattes 23 découpées à la base des parois 20, dans des parties de celles-ci doublées intérieurement par les volets, et articulés sur le fond 11 par une partie de la ligne de pliage 22 (voir figure 8, où les pattes 23 sont représentées en traits interrompus).In the embodiment of the invention of FIGS. 4 to 8, instead of the
Cet emballage est donc particulièrement bien adapté au conditionnement de denrées ou de produits pour lesquels il est important que soit renouvelé, à travers l'opercule qui le ferme, l'air présent dans cet emballage.This packaging is particularly well suited to the packaging of foodstuffs or products for which it is important that is renewed, through the lid that closes, the air in this packaging.
Bien entendu, l'invention n'est pas limitée aux types d'emballage ou aux formes de réalisation qui viennent d'être décrits. C'est ainsi que les pattes repliées contre la face externe du fond, au lieu d'être articulées à la base de certaines parois latérales de l'emballage, pourraient aussi être articulées sur des rabats attenants à la partie supérieure de certaines parois et repliés contre la face externe de celles-ci.Of course, the invention is not limited to the types of packaging or embodiments that have just been described. Thus, the legs folded against the outer face of the bottom, instead of being articulated at the base of certain side walls of the package, could also be articulated on flaps adjacent to the upper part of certain walls and folded against the outer face of these.
Claims (5)
- Packaging of a semi-rigid material such as cardboard or corrugated cardboard, said packaging comprising a bottom part (1; 11) and side walls (2, 3; 12, 13, 14), at least some (2, 3; 12, 13) of which are hinged to said bottom part, said packaging being characterised in that, with a view to allowing free air circulation between superposed layers of such packaging units, tabs (8; 20, 23) adjoining certain walls (14, 12) of the packaging or adjoining inner (4) or outer flaps adjoining walls of the packaging are folded against the outer face of the bottom (1; 11) and are firmly connected therewith, in order to form areas of local surplus thickness on said bottom, so raising it relative to an identical packaging unit on which it may be brought to rest.
- Packaging according to claim 1, characterised in that the tabs (8; 20, 23) are glued, welded or bolted mechanically in position on the outer face of the bottom (1; 11).
- Packaging according to either one of claims 1 and 2, characterised in that, between two tabs (8; 20) disposed on one and the same side of the outer face of the bottom, there extends a fold line (10, 10'; 21, 22) along which a wall (2, 3; 12, 13) is hinged to the bottom (1; 11), said fold line being curved, with its concavity turned towards the outside of the packaging, in such a way as to raise the central part of the base of said wall (2, 3; 12, 13) relative to the associated tabs (8; 20).
- Packaging according to any one of claims 1 to 3, the interior of which is lined with a film of plastics material, which optionally projects laterally towards the outside of the packaging, at the upper part of the side walls, forming a rim (18), which may or may not be continuous, capable of receiving an air-permeable closing cover (19).
- Packaging according to any one of claims 1 to 4, characterised in that at least some of its side walls (12, 13, 14) are inclined towards the bottom (11) in such a way that its cross-section is wider at its upper part than in the vicinity of the bottom (11).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0300785A FR2850359B1 (en) | 2003-01-24 | 2003-01-24 | CONDITIONING OF A SEMI-RIGID MATERIAL, IN PARTICULAR FOR FRESH FOODSTUFFS |
FR0300785 | 2003-01-24 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1440889A1 EP1440889A1 (en) | 2004-07-28 |
EP1440889B1 true EP1440889B1 (en) | 2007-08-15 |
Family
ID=32525000
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04290131A Expired - Lifetime EP1440889B1 (en) | 2003-01-24 | 2004-01-19 | Carton container having ventilation means |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP1440889B1 (en) |
AT (1) | ATE370072T1 (en) |
DE (1) | DE602004008121T2 (en) |
ES (1) | ES2291829T3 (en) |
FR (1) | FR2850359B1 (en) |
PT (1) | PT1440889E (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202014003773U1 (en) | 2014-05-07 | 2014-07-09 | Mohrbach Verpackungsmaschinen Gmbh | Ready-to-use product packaging for transport and product presentation |
DE202014104319U1 (en) | 2014-09-12 | 2015-01-21 | Mohrbach Verpackungsmaschinen Gmbh | Ready-to-use product packaging for transport and product presentation |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE554469A (en) * | ||||
US1917132A (en) * | 1931-06-23 | 1933-07-04 | Elie W Labombarde | Paper receptacle |
US2043104A (en) * | 1932-10-12 | 1936-06-02 | Frank B Clancy | Process of making a box |
US3139228A (en) * | 1962-05-04 | 1964-06-30 | Reinforced Plastic Container C | Laminated structure |
FR1379196A (en) * | 1963-12-13 | 1964-11-20 | Compartmentalised box, in particular for the transport of live chickens | |
US4279374A (en) * | 1979-11-13 | 1981-07-21 | Champion International Corporation | Adhesive-free tray with interlocking tabs and blank therefor |
-
2003
- 2003-01-24 FR FR0300785A patent/FR2850359B1/en not_active Expired - Fee Related
-
2004
- 2004-01-19 ES ES04290131T patent/ES2291829T3/en not_active Expired - Lifetime
- 2004-01-19 DE DE602004008121T patent/DE602004008121T2/en not_active Expired - Lifetime
- 2004-01-19 EP EP04290131A patent/EP1440889B1/en not_active Expired - Lifetime
- 2004-01-19 PT PT04290131T patent/PT1440889E/en unknown
- 2004-01-19 AT AT04290131T patent/ATE370072T1/en not_active IP Right Cessation
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202014003773U1 (en) | 2014-05-07 | 2014-07-09 | Mohrbach Verpackungsmaschinen Gmbh | Ready-to-use product packaging for transport and product presentation |
DE202014104319U1 (en) | 2014-09-12 | 2015-01-21 | Mohrbach Verpackungsmaschinen Gmbh | Ready-to-use product packaging for transport and product presentation |
Also Published As
Publication number | Publication date |
---|---|
DE602004008121T2 (en) | 2008-05-08 |
ATE370072T1 (en) | 2007-09-15 |
ES2291829T3 (en) | 2008-03-01 |
FR2850359A1 (en) | 2004-07-30 |
FR2850359B1 (en) | 2005-04-15 |
EP1440889A1 (en) | 2004-07-28 |
PT1440889E (en) | 2007-09-14 |
DE602004008121D1 (en) | 2007-09-27 |
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