EP2930124A1 - Emballage, notamment emballage alimentaire, doté d'une enveloppe déformable par le produit d'emballage destiné à la formation d'un volume d'emballage au moment de la fermeture de l'emballage - Google Patents

Emballage, notamment emballage alimentaire, doté d'une enveloppe déformable par le produit d'emballage destiné à la formation d'un volume d'emballage au moment de la fermeture de l'emballage Download PDF

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Publication number
EP2930124A1
EP2930124A1 EP15160472.5A EP15160472A EP2930124A1 EP 2930124 A1 EP2930124 A1 EP 2930124A1 EP 15160472 A EP15160472 A EP 15160472A EP 2930124 A1 EP2930124 A1 EP 2930124A1
Authority
EP
European Patent Office
Prior art keywords
packaging
skin
frame formation
shape
formation
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.)
Granted
Application number
EP15160472.5A
Other languages
German (de)
English (en)
Other versions
EP2930124B1 (fr
Inventor
Aad Hoekstra
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huhtamaki Oyj
Original Assignee
Huhtamaki Oyj
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Huhtamaki Oyj filed Critical Huhtamaki Oyj
Publication of EP2930124A1 publication Critical patent/EP2930124A1/fr
Application granted granted Critical
Publication of EP2930124B1 publication Critical patent/EP2930124B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • B65D5/0005—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 of variable capacity
    • 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
    • B65D81/02—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 specially adapted to protect contents from mechanical damage
    • B65D81/05—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 specially adapted to protect contents from mechanical damage maintaining contents at spaced relation from package walls, or from other contents
    • B65D81/07—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 specially adapted to protect contents from mechanical damage maintaining contents at spaced relation from package walls, or from other contents using resilient suspension means
    • B65D81/075—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 specially adapted to protect contents from mechanical damage maintaining contents at spaced relation from package walls, or from other contents using resilient suspension means the contents being located between two membranes stretched between opposed sides of the package
    • 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
    • B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
    • B65D85/30—Containers, packaging elements or packages, specially adapted for particular articles or materials for articles particularly sensitive to damage by shock or pressure
    • B65D85/36—Containers, packaging elements or packages, specially adapted for particular articles or materials for articles particularly sensitive to damage by shock or pressure for bakery products, e.g. biscuits

Definitions

  • the present application relates to a packaging with a first packaging part and with a second packaging part.
  • the first and the second packaging part can be brought into abutment with one another to form a substantially closed packaging volume and can be separated from one another in order to open the packaging and make available a packaging material possibly received in the packaging volume.
  • the packaging should be suitable in particular as a food package for receiving food.
  • a generic packaging is from the US 2010/0096282 A1 known.
  • the known from the cited document packaging parts are hard shell parts, which each have in a depth direction preformed recesses, each defining a portion of the packaging volume, but only when both packaging parts are brought into contact with each other, form a substantially closed packaging volume.
  • the known hard-shelled packaging parts are connected by a hinge and pivotable by a folding movement about the hinge axis between an open packaging situation and a closed packaging situation.
  • substantially closed is to be said that due to the nature of the known as well as the presently discussed inventive packaging as inexpensive mass-produced and associated generous manufacturing tolerances, even if the packaging parts are brought into contact with each other, at one or the other point a small gap space may remain, through which, for example, a slight gas exchange between the packaging volume and its external environment can take place.
  • a disadvantage of the known packaging is the hard shell construction of the two parts involved packaging, due to the packaging material for receiving a pre-defined packaging volume preformed wells a considerable dimension not only in a surface extension of respective contact surfaces of the packaging parts, which can be brought into abutting contact with each other, but also in the depth or recess direction orthogonal thereto.
  • Known packages stacked by nesting in the depth direction such as the Fig. 6
  • a single of these packages already requires a considerable storage volume due to the depth of the depressions formed on the packaging parts.
  • the US 5,964,161 A discloses an extendable and refoldable folding tray, which is equal to an accordion bellows folded between its removable longitudinal edges.
  • the folding tray in the unfolded state may have a bowl-like shape.
  • a generic packaging wherein at least a part of the first and second packaging part as Verformungsverpackungsteil has a deformable skin, which has a less curved, preferably flat staging shape in the unused state before first use, and which in one Packing state when a packaged goods is received in the packaging and the two packaging parts brought into abutment to form a packaging substantially completely surrounding the packaged goods are on the packaged substantially lying a more curved user shape.
  • the deformable skin By using a deformable skin, preforming of pits in the package can be eliminated.
  • the deformable skin can rather be deformed before or during the packaging process, ie in particular when closing the packaging by bringing the first and second packaging parts into contact with each other to form a packaging volume around the packaging material to be packaged from the supply shape to the use shape.
  • the package may therefore be formed in its unused state before first use free of preformed wells.
  • the packaging can be stored in the unused state before first use with very little storage space, since in the case of the packaging according to the invention necessary for receiving the packaged wells that are permanently preformed in the generic packaging of the prior art, are formed only during the packaging process by deforming and only to the extent necessary. Therefore, the skin in its use form, which is present in closed packaging with packaged therein, a more curved compared to the staging shape shape.
  • the skin envelope has a preferably planar provision shape.
  • the envelope skin at least in its form of use, that is to say with the packaging closed, forms an externally accessible part of the outer wall of the packaging.
  • the casing skin preferably forms an outer wall of the packaging both in its provision shape, ie when the packaging is open, and in its shape of use.
  • both the weight of the packaging and the storage space necessary for its provision can be kept low.
  • the skin at least in the form of use forms an externally accessible part of the outer wall of the package, the packaged goods packed in the packaging can be checked tactilely without opening the packaging.
  • a simple temperature and / or condition test of the packaged goods can be carried out on the closed pack.
  • the temperature and / or the softness and / or elasticity of a packaged good can be determined. This may be advantageous to the consumer if he wants to determine whether a packaged good he has purchased is frozen or still sufficiently warmed or, for example, in the case of a sandwich, soft and fresh and not dry and hard.
  • the first and the second packaging part have locking means by which the first and the second packaging part, when brought into contact with one another, can be held together in this system.
  • the consumer using the packaging is relieved, since he does not have to manually exert a permanent closing force on the first and the second packaging part in order to bring them into abutment with each other and / or hold.
  • the skin of the deformation packaging part by the weight of the packaged goods and / or by a closing force which is exerted on the packaging parts this to form a packaged Completely surrounding packaging in abutment with each other and / or to keep, under force transmission of the packaged goods from the staging shape is deformable in the use shape.
  • the packaged product creates when placed on the skin by its own weight and / or by the force exerted on closing the packaging closing force to bring the packaging parts in abutment against each other and / or hold the packaging space required for the packaged with the
  • the volume of packaging required by itself is less curved initially, preferably level, so that it is deformed around the packaging material resting between the packaging parts brought into abutment against one another and shields the packaged product from environmental influences.
  • the staging shape is defined, the different usage form depends on the particular packaged good, in particular its shape and deformability.
  • the skin is elastically deformable, so that after removal of a packaged product from the already used pack, it is at least partially, preferably for the most part, particularly preferably completely deformed back into the less curved staging shape.
  • the deformation packaging part can continue to serve as a support after a removal of the packaged product, for example when the previously packaged good is consumed.
  • the first and the second packaging part can be present as separate packaging parts. Then the packaged product is first placed in a packaging process on a packaging part and then brought the other part of the packaging over the packaged and to which the packaged goods carrying a packaging part until it approaches this.
  • a targeted alignment of the two packaging parts which may be necessary, for example, to operate existing, already mentioned above locking means, can be omitted if the first and the second packaging part hinged together by a hinge formation about a folding axis such that the two packaging parts by flaps can be brought to the folding axis in abutment against each other. Then the packaging can be easily folded Packaging parts are closed around the folding axis, wherein the joint formation usually ensures that corresponding locking means are aligned on both in abutment with each other packaging parts so exactly that they are easy to operate to hold the two packaging parts in abutment against each other.
  • the two packaging parts are integral with the joint formation and interconnected.
  • this may have a frame formation with a receiving opening passing through the frame formation in the thickness direction. Thickness direction denotes the material thickness direction of the frame formation.
  • the receiving opening is preferably spanned by the skin.
  • the frame formation is preferably less deformable under otherwise identical loading conditions, ie bending and tensile stiffness than the casing skin. This can be achieved, for example, by suitable choice of material for the frame formation and / or by a suitably stiffening design choice of the frame formation.
  • the frame formation is preferably designed just to achieve the smallest possible storage space.
  • the preferred flat frame formation essentially extends in two directions of extent that are orthogonal to one another and to the material thickness direction of the material of the frame formation, which span a main extension plane of the frame formation.
  • the frame formation in the direction orthogonal to its plane of extent exclusively has its material thickness as the extent dimension.
  • the frame formation has orthogonal to the main plane of extension extending stiffening formations, such as ribs, beads, folds and the like.
  • the smallest dimension of the frame formation in its main extension plane is greater than the dimension of the frame formation in the material thickness direction or depth direction orthogonal to the main extension plane by at least 20, preferably at least 100 times.
  • the frame formation preferably completely surrounds the receiving opening.
  • the frame formation preferably has a planar shape.
  • the frame formation is slightly inclined to the receiving opening, but preferably is not inclined by more than 15 °.
  • the frame formation for example, a frustoconical shape or a polyhedral frustum-shaped, in particular truncated pyramidal shape, wherein the receiving opening is preferably located at the tapered longitudinal end of the stump.
  • the aforementioned preferred slight inclination leads to a large half the opening angle, which should be at least 75 ° measured from the cone or polyhedron stump axis.
  • the skin covers the receiving opening of a frustum-shaped frame formation with a planar staging shape in the unused state before first use.
  • the orientation of the main extension plane of a slightly inclined frame formation as above should then be orthogonal to the stump axis.
  • the skin covers the receiving opening completely, which supports the formation of a package with closed packaging volume.
  • the frame formation at least one movable relative to her diaphragm formation, preferably a plurality of relative to the frame formation movable diaphragm designs in the Receiving opening protrudes and covers the hull skin in its provision shape on one side at least partially.
  • the diaphragm formation or even the majority of diaphragm designs may be integrally formed with the frame formation for easier manufacture of the packaging according to the invention discussed here.
  • the at least one diaphragm formation preferably that all diaphragm designs, can be pivoted relative to the frame formation associated with the respective diaphragm formation pivot axes.
  • the pivot axis can be formed integrally with the frame formation by impressing a material thin point extending along the desired pivot axis in which the frame formation and the iris-forming material or by a not completely passing through the material of the frame formation incision and the like.
  • all pivot axes are in the main plane of extension of the frame formation or parallel to it.
  • the frame formation and preferably integrally formed with it and the at least one Aperture can be environmentally friendly with sufficient deformation stiffness of fibrous material, such as cardboard, corrugated board or made of urformbarer press fiber pulp (so-called "molded fiber” materials).
  • fibrous material such as cardboard, corrugated board or made of urformbarer press fiber pulp (so-called "molded fiber” materials).
  • a plurality of diaphragm formations are provided at a receiving opening, they are identical in shape, so that they can form a base of the package with uniform relative displacement relative to the frame formation, for example, on which the closed package with a packaged therein received on a substrate is turned off ,
  • the at least one aperture arrangement of the deformation of the packaging by the weight of the packaged goods and / or by a closing force which is exerted on the packaging parts to this in Attachment to each other and / or to hold, under force mediation of the packaging material relative to the frame formation is displaced.
  • the displacement of the diaphragm arrangement can thus be carried out without special deformation action by an operator by the weight and / or by the force exerted by the operator when closing the packaging closing force.
  • the permanent closing force required due to the deformability of the skin, in order to hold the two packaging parts in abutment with each other can be exercised by locking means already mentioned above.
  • the closing force in the present case is slightly increased by the additional displacement force required for the displacement of the at least one diaphragm formation.
  • the at least one aperture formation may be manually displaced relative to the frame formation prior to closing the package.
  • the locking means are preferably formed on the frame formation. They may, for example, be formed mechanically by partially cut-through push-through formations in the frame formation which, when the two packaging parts are brought into contact with one another, come to lie one above the other. Then the push-through part of the one packaging part can be pushed through a recess on the other packaging part and engage behind.
  • the push-through formation can be bendable about a bending axis relative to the frame formation, wherein the dimension of the push-through formation increases parallel to the bending axis to achieve the rear grip preferably with increasing distance from the bending axis.
  • such push-through formations are identically formed in both packaging parts, so that it does not matter to an operator operating the packaging in which direction the push-through formations which are then arranged one above the other are pressed through a recess in the respective other packaging part.
  • the locking means may also be realized adhesively, for example by an adhesive applied at least in sections to the frame formation.
  • a cold adhesive is preferred, which unfolds adhesive effect only when it is brought into contact with itself. Consequently, in order to form adhesive locking means, at least one respective section in a contact surface is provided with such a cold adhesive in both the first and the second packaging part. The contact surfaces of both parts of the packaging and the sections provided with cold glue come into abutment when closing the packaging, so that the cold glue can seal against itself when the packaging is closed.
  • the at least one deformation packaging part is flat in the unused state before first use. Since the enveloping skin provided on the deformation packaging part is also flat in its staging shape, thus, a planar deformation packaging part can be provided, the thickness of which can correspond substantially to the summed material thicknesses of the frame formation and skin.
  • the provision shape of the skin can locally be a multiple, in particular a triple, the Hüllhautmaterialdicke.
  • the frame formation as a rule has a multiple of material thickness compared with the skin, the thickening of the skin, which may possibly have been achieved locally by folding, is negligible.
  • first and the second packaging part in the unused state before a first use are each plane.
  • the package in its unused state prior to first use preferably has a stretched planar shape.
  • the first and the second packaging part are arranged in a common plane and, in order to close the packaging, a folding movement of about 180 ° about the folding axis defined on the joint formation is required.
  • the presently discussed packaging permits the creation of a packaging volume only when the packaging is closed by the packaged product itself.
  • the cladding skin is preferably counteracted by the closing force exerted against the resistance of the packaged product against which the skin cladding is applied. deformed. Therefore, the clad skin forms a bulge as compared with its provision shape in its use shape. The extent or depth extent of the bulge in the depth direction is dependent on the shape of the packaging material causing it.
  • the total volume occupied by the closed package increases as the amount of bulge increases, compared to a condition in which the packaging without an intermediate arrangement of a packaged goods are brought into contact with each other, therefore, the package is empty and closed the skin thus has despite closed packaging further their Bereitgestgestalt.
  • the small storage space requirement of the packaging in the unused state prior to first use is therefore also caused by the envelope skin with respect to the frame formation in its Bereitgestgestalt in the thickness direction or depth direction of the frame formation less bulging bulge, preferably no bulging, than in their Usungsgestalt.
  • the envelope skin protrudes in its use shape through the entire depth of the receiving opening and, as a rule, even beyond.
  • the jacket skin In order to be able to securely connect the jacket skin to the frame formation without the connection being released from the frame formation by the envelope skin deforming forces when using the package, it is possible to provide the jacket skin in its provision shape when viewing the deformation package part in depth. or thickness direction of the frame formation - an edge portion of the frame formation surrounding the receiving opening overlaps over the largest part of a circulation around the receiving opening, preferably along a complete circulation around the receiving opening.
  • the skin is preferably applied to the frame formation. Both the skin and the frame formation extend in the overlapping region along a common plane of extension. This is preferably true for the entire overlap area.
  • the material thickness direction of the skin and the material thickness direction of the frame formation are parallel.
  • the skin sheath overlaps the edge portion preferably along a complete circuit around the receiving opening.
  • the overlap area can be used to connect the skin with the frame formation.
  • the cladding skin can be welded to the frame formation.
  • the sheath skin is connected on that side of the frame formation with this, which points to each other to the other connecting part when the two connecting parts.
  • This facilitates the formation of a completely sealed package without unwanted gaps. Therefore, the envelope skin in its provision shape, the receiving opening in the depth direction not or at least not completely enforce.
  • the above-mentioned at least one diaphragm formation is located on that side of the envelope skin which, in the position of use of the envelope skin, faces away from the packaged product.
  • connection in particular bonding and / or welding
  • the skin is interrupted with the frame formation in the circumferential direction around the receiving opening .
  • deformation of the skin can be assisted by local displacement thereof to form a larger package volume, compared to a condition in which the skin is continuously circumferentially connected to the frame formation.
  • the skin and the frame formation are unconnected in a portion of the overlap region furthest away from the joint formation. It is also conceivable that the skin and the frame formation are unconnected both at the joint formation nearest and at the furthest section.
  • the receiving opening may be round, in particular circular, which may be advantageous, for example, for round packaged goods, such as burgers, in order to achieve approximately the same packaging conditions in the circumferential direction around the packaged goods.
  • the receiving opening may also have a polygonal, approximately triangular or rectangular or generally polygonal shape, with a rectangular receiving opening preferably two edges of the receiving opening are oriented parallel to the folding axis and two other edges orthogonal to this.
  • one or both of the overlapping areas of the enveloping skin which belong to the folding axis-parallel edge sections can be unconnected to the frame formation.
  • the skin at a connection-free overlap area in which skin and frame formation are unconnected, have a predetermined breaking or breaking point, which breaks or ruptures when packaging a packaged product with a predetermined minimum size.
  • a predetermined breaking or breaking point which breaks or ruptures when packaging a packaged product with a predetermined minimum size.
  • the deformable skin may comprise an elastically deformable plastic film which is elastically deformed by the packaged when applied to the packaging parts closing force. Only for the purpose of delineation is it clear that the plastic film should be elastic in an operating range of the intended use. Of course, any plastic film can be torn using sufficiently high forces. Also, a certain degree of plastic deformability should be harmless, as long as the plastic film used when used as intended is predominantly elastic, that is about a ResiduellCodeung after removal of the packaged goods of not more than 20%, preferably not more than 10%.
  • low stiffness plastic films such as having a modulus of elasticity less than 200 MPa, and high elongation at break, about 400% or greater, are used.
  • the cladding skin in the form of a plastic film can not only be connected to the frame formation with the frame formation in the overlapping area, but can additionally or alternatively be connected to the at least one aperture arrangement optionally mentioned above.
  • the force required to deform the cladding skin connected to the diaphragm arrangement from the provision shape to the use shape is greater, the further the connection point of the cladding skin with the diaphragm arrangement away from the pivot axis of the respective diaphragm arrangement in the direction away from the frame formation the receiving opening is located in away.
  • a cost-effective polyolefin film is preferably used as a transparent film, wherein a polyethylene film is preferred which, as known from commercially available cling films, exhibits adhesive properties on smooth surfaces.
  • a polyethylene film is preferred which, as known from commercially available cling films, exhibits adhesive properties on smooth surfaces.
  • the deformation wrapping part facing side of the other packaging part is smooth, so the self-adhesive property of the polyethylene skin can be used to achieve a hermetically sealed as possible packaging.
  • Suitable film materials may be LDPE or Ultra Low Density polyethylene or metallocene polyethylene (mPE), also in the form of an mLDPE or mULDPE.
  • the skin covers a commercially available as a cling film plastic film, this has the further advantage that when the skin is formed only from such a film, it can easily recognize the packaged packaged from the outside as a transparent film.
  • the plastic film used for the skin is a cling film.
  • the cladding skin comprises fiber-containing layer material, in particular paper, or is formed entirely from such material.
  • the cladding skin formed from fiber-containing layer material, in particular paper can be disposed of without difficulty and may even be biodegradable. To protect against penetration of liquids and / or fats in the fibrous skin envelope this may be provided with hydrophobic or / and oliophobic impregnations.
  • the envelope skin comprising a fiber-containing layer material can be coated with the above-mentioned plastic film, preferably on the side which points towards the item to be packaged in the form of use.
  • the skin has in its provision shape at least one fold, preferably a plurality of convolutions.
  • the plurality of folds are parallel to each other, so that in the staging shape abutting folding portions of the skin can be unfolded together by a force orthogonal to all parallel folds, and so a required packaging volume when closing the package can be formed.
  • the folds are particularly advantageous when the sheath skin comprises the above-mentioned fiber-containing layer material, since this usually shows no significant elastic deformation in one of its layer extension directions.
  • a folding of the skin in the staging shape has two, preferably parallel, folding edges, with one of a first folding edge in a first outer skin portion extending in a first direction, having a second outer skin portion extending from a second fold edge in one of the first opposing second directions, and having a clad skin intermediate portion extending between the first and second fold edges, the skin interface intermediate portion as viewed of the deformation packaging member in the thickness direction of the frame formation - located between the first and second outer skin sheath portions and surmounted by the first outer skin portion in the first direction and from the second outer older Hüllhautabites is surmounted in the second direction.
  • the force necessary for the deformation of the skin envelope can be adjusted.
  • a person skilled in the art can easily determine the configuration suitable for the respective application by means of reasonable experimental effort.
  • one or more further such folds may follow.
  • the fold edges of several, preferably all, in one direction successive folds are parallel. If a joint formation is provided, the folded edges preferably extend orthogonal to the folding axis.
  • the at least one fold or the plurality of folds can be formed in folding zones, wherein fold-free zones can be provided between folding zones, for example for forming a contact surface of the packaged article during packaging.
  • fold-free zones can be provided between folding zones, for example for forming a contact surface of the packaged article during packaging.
  • a directionally deviating pull-out fold with at least one, preferably exactly one pull-fold edge can be provided.
  • This Auszugsfaltkante the Auszugsfaltung preferably extends orthogonal to the plurality of fold edges of the aforementioned at least one fold.
  • the pull-out fold is formed in a longitudinal end region of the skin by folding over the longitudinal end. As a result, the extension fold can be formed with only one Auszugsfaltkante.
  • the longitudinal end region of the skin By connecting the longitudinal end region of the skin in the overlapping region of the extension fold and by targeted non-bonding of an immediately adjacent to the Auszugsfaltkante of Auszugsfaltung to the longitudinal end portion of the skin and of the Auszugsfaltkante from the longitudinal end away extending portion of the skin can Ausziehreserve the skin is orthogonal by the Auszugsfaltung be formed to the Auszugsfaltkante the Auszugsfaltung.
  • the longitudinal end region is embedded with the pullout fold of the skin between two layers of frame formation material and can be pulled out between the two layers of the frame formation material upon closure of the package.
  • a particularly simple way of producing such a pull-out fold is given by the fact that the frame formation material is initially formed with a larger, preferably double width of the later desired width of the frame formation at the relevant point, the skin with its longitudinal end in a region of the wider frame formation starting material with selbigem Connunden which is located beyond the final width of the frame formation at the position concerned and the frame formation starting material is folded over to the final width towards the receiving opening.
  • the folding axis of the frame formation starting material defines the Auszugsfaltkante the Auszugsfaltung.
  • the frame formation material protrudes laterally in the direction of the Auszugsfaltkante beyond the skin, so that there after folding over the frame forming material comes to frame formation material to the plant, which allows a permanent connection of superimposed frame formation layers and thus securing the described folding.
  • a gap is formed between the two layers of the frame formation material, in which the pull-out fold is taken away from the folding axis of the frame formation starting material extendable.
  • the integrity of the extraction reserve formed by the Auszugsfaltung can also be used as Clearbehrsssiegel.
  • the smallest possible thickness of the skin even when providing a folding can be achieved in that the first outer Hüllhautabites, the second outer Hüllhautabites and Hüllhaut intermediate section - considering their cross-sectional shape in a plane orthogonal to the folding edges cross-sectional plane - parallel in the provision shape of the skin are arranged to each other, preferably also arranged parallel to the frame formation.
  • both the first and the second packaging part are formed as a deformation packaging part as described above.
  • the hulls of both packaging parts may be formed integrally with each other contiguous, in particular with provision of the above-mentioned desired tear point.
  • the two packaging parts are preferably designed as identical parts.
  • the two packaging parts are formed and arranged mirror-symmetrically substantially relative to a plane containing the folding axis, an angle between the two packaging parts halves dividing symmetry plane.
  • each packaging part in particular on its frame formation on a contact surface, which is formed when closing the package to get into contact with the corresponding contact surface of the other packaging part. Since the greatest force between the two packaging parts in the closed state of the packaging can be effective at these contact surfaces, a connection of the skin to the frame formation, in particular its bonding, and / or the above-mentioned locking means in the region of such a contact surface is preferably provided.
  • Fig. 1 is a first embodiment of a package according to the invention designated 10a.
  • the packaging 10a which is in Fig. 1 is shown in its unused state prior to first use, comprises a first packaging part 12a and a second packaging part 14a substantially identical to this.
  • Both packaging parts 12a and 14a are advantageously designed as Verformungsverpackungsmaschine and each have a deformable skin 16a and 18a on.
  • each packaging part 12a and 14a may have a frame formation 20a or 22a, which has a higher bending and tensile rigidity compared to the respective associated skin 16a or 18a.
  • the two packaging parts 12a and 14a are preferably connected by a hinge formation 24a with each other about a folding axis K folded.
  • the two packaging parts 12a and 14a may be integrally formed with one another in the region of the joint formation 24a, whereby the joint formation 24a may be formed by a continuous or discontinuous material thin point extending along the folding axis K, for instance by embossing or incising and the like, but need not be formed ,
  • the respective skin 12a or 14a may be formed by a plastic film or by a fiber layer material, in particular paper. The latter is shown in the first embodiment of the present invention.
  • the frame formation 20a or 22a may also be made of fibrous material, such as cardboard, paperboard, corrugated board or pressed fiber material (so-called "molded fiber” material).
  • the material of the frame formation 20a or 22a can be multi-layered with interposed adhesion layers or can also be single-layered in a cost-effective variant.
  • the packaging 10a may be in its in Fig. 1 shown unused state before a first use (this is usually the delivery state) have a stretched shape, so that the package 10a in this state preferably has a planar shape.
  • the first packaging part 12a and the second packaging part 14a can be folded toward one another about the folding axis K until the in Fig. 1 facing the viewer sides 12a1 and 14a1 of the packaging parts 12a and 14a have come into contact with each other. Starting from the in Fig. 1 shown extended position requires it to a relative folding angle of 180 °.
  • the package 10a is in the in Fig.
  • FIG Fig. 1 shown unused state before first use preferably symmetrically formed with respect to a folding axis K containing and oriented orthogonal to the plane defined by the two packaging parts 12a and 14a in the extended position main plane of symmetry plane.
  • the description of the packaging in FIG Fig. 1 only the packaging part 12a will be described, the description of which also applies to the second packaging part 14a under the said symmetry condition.
  • a technical feature provided on the packaging part 12a is given the same reference number on the second packaging part 14a by the number 2.
  • the frame formation 20a can advantageously have a receiving opening 26a passing through the frame formation 16a in a local depth or thickness direction orthogonal to its main extension plane T1, which is advantageously spanned by the skin 16a.
  • the receiving opening 26a is rectangular in the example shown, its limitation being indicated by dashed lines. But it can also have any other shape, for example, be circular or oval.
  • the page 12a1 to which the viewer of the Fig. 1 looks, is that side of the first packaging part 12a, which comes in the packaging of a packaged product V in contact with the packaged V.
  • the skin 16a has in the in Fig. 1 shown packaging state, a supply shape, which is preferably substantially flat, which in any case has a lower curvature than the use described below shape.
  • diaphragm formations 30a, 34a, 38a and 42a are advantageously provided, which are preferably formed integrally with the frame formation 20a and in the in Fig. 1 shown packaging state in a common plane with the frame formation 20a extend.
  • Each diaphragm formation may have a roughly trapezoidal shape, wherein the shorter of the two parallel sides preferably has a concavely curved shape, so that in the in Fig. 1 As shown in the example, a central round area 27a of the receiving opening 26a of aperture arrangements remains uncovered even in the unused state of the package prior to first use, so that in this area the skin 16a is also accessible from the side 12a2 pointing away from the packaged product V.
  • the skin 16a may have a plurality of folding zones in which Fig. 1 As shown, for example, the folding zones 46a and 50a, for example, four folds. By means of these folds, as will be explained below, a deformation reserve of the skin 16a is provided, which is provided around a in Fig. 1 unillustrated packaged goods V around a deformation of the skin 16 a of the in Fig. 1 To illustrate the less curved Bereitgestgestalt illustrated in the opposite of this more curved use shape.
  • the diaphragm formations 30a to 44a are in Fig. 1 indicated dotted because they are seen by the viewer from behind the skin 16a and 18a located.
  • FIG. 2 shows by way of example how a packaged product V, here by way of example a burger, has been placed on the side 14a1 of the second packaging part 14a, more specifically on the fold-free region 56a between the folding zones 48a and 52a of the skin 18a.
  • the first packaging part 12a is shown in FIG Fig. 2 related to the representation of Fig. 1 has been folded by about 80 ° about the folding axis K on the second packaging part 14a. Due to this folding movement, the local depth directions T1 and T2 of the first packaging part 12a and the second packaging part 14a are no longer parallel, as was previously the case in the stretched shape of the unused state before first use.
  • Fig. 3 recognizes how the packaged V due to its own weight, the skin 18a and the diaphragm formations 32a, 36a, 40a and 44a of the second packaging part 14a of the in Fig. 1 has deformed out shown positions.
  • the aperture arrangements 32a, 36a, 40a and 44a have been moved about pivot axes S32a, S36a, S44a and S40a which coincide with the longitudinal edges of the receiving opening 28a in the example shown, from their original planar position relative to the frame formation 22a in the direction of the skin 18a in FIG Deployment figure pivoted away.
  • the amount of pivoting depends on the in Fig. 3 shown example of an intermediate state before complete packaging of the food on the weight of the packaged product V from.
  • the folding zones 48a and 52a of the skin 18a are unfolded a little by the weight of the packaged product, whereby the skin 18 in the illustrated example increasingly bulges through the receiving opening 28a in the local depth direction T2 of the second packaging part 14a.
  • Fig. 4 the packaging 10a is shown in the closed state, ie the first packaging part 12a and the second packaging part 14a, more precisely their sides 12a1 or 14a1 or abutment portions thereof are in abutment against each other.
  • the skin 16a also the skin 18a, but this in Fig. 4 not recognizable
  • the skin 16a is now in its form of use in which it has a greater curvature than in its in Fig. 1 shown deployment shape.
  • the packaged product V is completely enclosed except for negligible smaller possible gaps at the contact point of the two packaging parts 12a and 14a.
  • the dead weight of the packaged goods and, in addition, the closing force required for closing the pack has led to a deformation of both the enveloping skins 16a and 18a and the diaphragm arrangements 30a to 46a.
  • the envelope skin 16a now has a bulge 58a which extends through the receiving opening 26 of the frame formation 20a and which has been made possible by partial unfolding of the folding zones 46a and 50a to the required extent.
  • the local depth directions T1 and T2 of the two frame formations 20a and 22a and thus of the packaging parts 12a and 14a preferably coincide in the closed packaging situation. Since not only the deformation of the cladding 16a and 18a in the in Fig.
  • the displacement of the diaphragm formations 30a to 46a when closing the package 10a has been effected by closing force applied closing are usually in the closed state of the package 10a, the diaphragm formations 30a, 34a, 38a and 42a of the first packaging part 12a at the bulge 58a of the skin 16a and lie the diaphragm formations 32a, 36a, 42a and 46a of the second packaging part 14a at the in Fig. 4 Not shown bulge of the skin 18a, in each case on the side facing away from the packaged V side of the Hüllophute 16a and 18a.
  • the outside 16a2 of the skin 16a or 18a2 of the jacket skin 18a pointing away from the packaged packaged item is accessible from the outside.
  • a consumer can tactile determine the temperature and / or the elasticity and / or any other tactile detectable property of the packaged goods in a simple manner.
  • Fig. 1 protrude the diaphragm formations 30a to 46a from the radially inner edge of the receiving openings 26a and 28a not completely in the respective receiving opening 26a and 28a, but leave in the unused state before first use of the package 10a an access opening 27a and 29a, by which the respective outer side 16a2 or 18a2 of the cladding skins 16a and 18a is accessible from the inner side 16a1 and 18a1 facing away from the packaged goods.
  • the diaphragm arrangements 30a to 46a have a length L extending from their respective pivot axis and orthogonal to the latter, which is at least 25% of the distance to the pivot axis diametrically opposite the receiving opening. If no pivot axes lie directly opposite one another, the previously described dimension L of the diaphragm formations orthogonal to their respective pivot axis should be at least 50% of the distance of the pivot axis from the center of the receiving opening.
  • the diaphragm formations 30a to 36a displaced beyond the packaging to project beyond the bulges 16a and 18a in the respective local depth directions T1 and T2 of the first packaging part 12a and the second packaging part 12b, so that the closed packaging 10a can be placed with the schwenkachsenfernen longitudinal ends of the diaphragm formations of a packaging on a flat surface, without the associated skin reaches the Abstellebene.
  • a frame formation 20a or 22a may have a recess 62a at one of its outer edges remote from the receiving opening 26a or 28a, and the respective other frame formation 22a or 20a may have a displaceable locking tongue 64a.
  • the locking tongue 64a is bendable about a bending axis B64a, so that when the two packing parts 12a and 14a are brought into abutment with each other, the connecting tongue 64a can be moved through the locking recess 62a.
  • the dimension of the locking tongue 64a which is parallel to the bending axis B64a, increases with increasing distance from the bending axis B64a, such that engagement of the locking recess adjacent to one another when the packaging parts 12a and 14a rest against each other 62a is possible.
  • the locking tongue 64a may be trapezoidal in shape, with a bending axis B64a which is collinear with the shorter one of the parallel trapezoidal sides.
  • the locking recess 62a advantageously has the negative shape of the corresponding locking tongue 64a.
  • each packaging part has a locking tongue and elsewhere a locking recess, so that it does not matter for a correct operation of the package and in particular for a correct locking them in their closed state, which packaging part Operator is facing straight.
  • Fig. 6 shows a second embodiment of a package 10b according to the invention, which substantially corresponds to that of the first embodiment, except for the presence of shutter assemblies 30a to 46a.
  • the enveloping skins 16b and 18b are completely free on their side 16a2 or 18a2 pointing away from the packaged goods and are accessible from the outside over the entire surface of the receiving opening 26b or 28b.
  • a strip of skin 18a is shown to prevent the deformation of the skin 18a from the ready position (see FIG Fig. 7a ) into the use position (see Fig. 7c ) by partial unfolding of the folding zones 48a and 52a.
  • each convolution zone 48a and 52a are of substantially similar construction, with the proviso that the convolutions of the convolution zone 52a with respect to a plane perpendicular to the skin 18a orthogonal to the kink axis K mirror symmetry to the convolutions of the folding zone 48a are configured. Therefore, it is sufficient subsequently to describe a folding of the folding zone 48a. This is the convolution labeled 66a.
  • This fold 66a has a first fold edge 68a and a second fold edge 70a, which preferably run parallel to one another.
  • the folded edges 68a and 70a are substantially orthogonal to the bending axis K.
  • the in the Fig. 7a to 7c shown strips of the skin 18a extends substantially parallel to the bending axis K.
  • a first skin section 72a extends in a direction X orthogonal to the fold edge 68a, approximately in the direction of the nearest region of the in Fig. 7a not shown frame formation out.
  • a second skin section 74a extends from the second folded edge 70a in a second direction Y which is orthogonal to the second folded edge 70a and opposite the first direction X.
  • the first skin section 72a extends in the direction X beyond the second folded edge 70a.
  • the second skin portion 74a extends in the second direction Y beyond the first folded edge 68a.
  • a skin skin intermediate portion 76a bounded by the folded edges runs.
  • the skin sections 72a, 74a and 76a are substantially parallel to each other in the ready shape of the skin 18a.
  • the directions X and Y are parallel to the main extension plane of the frame portion 22a to which the skin 18a is connected.
  • This main extension plane is orthogonal to the depth direction T2 Fig. 1 ,
  • the skin 18a is shown in the shown portion with increasing bulge 60a, which is formed during closing of the package 10a by the packaging material V arranged between the casing skin 16a and 18a and the applied closing force.
  • the folding edges 68a and 70a can deviate from their originally rectilinear course with increasing bulging of the skin 18a. It can also be seen how, for example, the fold 66a, but also other folds, are successively unfolded to release material for forming the bulge 60a.
  • the skin 18a after removal of the packaged product V in a then again unused state, but not before first use, back to one of the ready shape close shape, preferably in the Mitellungsgestalt itself.
  • Fig. 8a to 8d are different embodiments of a package according to the invention, characterized by different lowercase letters, shown, although they all have a substantially identical frame formation, in which, however, distinguish the hull skin in terms of arrangement and shape of folding zones and in terms of the manner of attachment.
  • Sheaths 16c, 16d, 18c and 18d shown correspond to the sheaths 16a, 16b and 18a and 18b.
  • Fig. 1 overlap the skin 16a and the frame formation 20a on the one hand and the skin 18a and the frame formation 22a on the other hand in an overlap region 78a and 80a.
  • this overlapping region in which the outer side 16a2 of the skin 16a rests on the side 20a1 of the frame formation 20 facing it and extend substantially parallel to one another in the main plane of extension of the first packaging part 12a, a connection between the skin 16a and the frame formation 22a is easy to produce.
  • the corresponding mutatis mutandis applies for the skin 18a and the frame formation 22a.
  • Fig. 8a an adhesive bond is shown, according to which the adhesive application is provided only on three sides of the receiving opening 26c, while on the folding axis K nearest side of the edge around the receiving opening 26c, no adhesive is applied.
  • the adhesive application 82c thus has a C-shaped form, wherein the longitudinal ends of the free legs in the preferred embodiment ends flush with the edge of the receiving opening 26c closer to the folding axis K.
  • the second packaging part 14c is, as in the previous embodiments, mirror-inverted to the first packaging part 12c.
  • Fig. 8b another embodiment is shown, which is essentially that of Fig. 8a corresponds, with the difference that in the embodiment of the Fig. 8b both in the flap axis K nearest edge region of the frame formation 20d and in the flap axis K most remote edge region of the frame formation 20d no adhesive application has taken place.
  • the adhesive application 82d1 and 82d2 is thus provided exclusively as an adhesive track orthogonal to the folding axis K on both sides of the receiving opening 26d.
  • the adhesive application 82d1 and 82d2 projects beyond the receiving opening 26d in both directions orthogonal to the folding axis K.
  • the non-crimp portions 54e and 56e of the claddings 16e and 18e are narrower in a direction orthogonal to the folding axis K than in the previously described embodiments.
  • the adhesive application 82e or 84e is similar to that of Fig. 8a , with the difference that the application legs running orthogonally to the folding axis K pass over the entire length of the packaging 10e. Due to the extended adhesive application, the cladding 16e and 18e, which may be connected to each other at their mutually facing longitudinal ends, preferably in one piece, in Fig. 8c a perforation 86e which, in the deformation of the hulls of the Bereitgestgestalt break up into their respective use shape as a target tear point 86e and so should provide room for movement of Hüllhautmaterial from the edge in the direction of the receiving opening. The perforation 86e is in an enlarged section in FIG Fig. 9 shown.
  • folding zones 46e to 52e have fewer folds than the folding zones described above.
  • each folding zone 46f to 52f has only two folds which lie closer to one another in the direction parallel to the folding axis K than the preceding folding zones.
  • the envelopes 16f and 18f may be integrally connected with each other.
  • the adhesive application which connects the cladding skins 16f and 18f to the respective associated frame formations 20f and 22f, respectively, is shown in FIG Fig. 8d embodiment shown reduced to four adhesive dots or adhesive surfaces 82f1 to 82f4 and 84f1 to 84f4 in the corner regions between kink-axis parallel legs and kink axis orthogonal legs of the frame formations 20f.
  • Fig. 10a to 10c show a further embodiment, characterized by the lower case g, a package according to the invention, in which a leg of the frame formations 20g and 22g is made wider than the remaining leg. In the example shown, this is the leg, which is apart from the kink axis. A push-through formation is then formed on this leg in order to lock the package 10g in its closed state in such a way that the packaging parts 12g and 14g remain in contact with one another.
  • a packaging part here for example the packaging part 14g, has on its frame formation 22g a locking recess 62g and the frame formation 20g of the other packaging part 12g has a locking tongue 64g.
  • the locking tongue 64g can be made in two parts as a locking part tongue 64g1 and locking part tongue 64g2. These locking part tongues can be bendable around parallel bending axes through the locking opening 62g in the respective other frame formation, so that after bending the locking partial tongues 64g1 and 64g2 originally located in the plane of extent of the frame formation 20g, these form-fitting the respective other frame formation, here: frame formation 22g can reach behind.
  • frame formation 22g can reach behind.
  • Fig. 10a to 10c embodiment shown by elongated design of the locking hole 62g and the locking tongue 64g after locking a support opening may be formed with which the sealed package 10g can be easily carried with one hand.
  • Fig. 10a is an unlocked state of the closed packaging shown in the Fig. 10b and 10c a locked state of the same packaging.
  • Fig. 11 a and 11 b is a modification of the locking means of Fig. 10a to 10c to the effect that partial circular locking tongues 64h1 and 64h2 are used instead of the elongate partial locking tongues 64g1 and 64g2.
  • partial locking tongues 64h1 and 64h2 may be formed in each of the two frame formations 20h and 22h, of which one each is inserted through displacement of the other by the locking recess formed by displacement of the other partial locking tongue.
  • Fig. 11a shows the unlocked state of the closed package 10h
  • Fig.11 b the locked state.
  • cold adhesive areas may be applied on surfaces 16a1 and 18a1 of the cladding and / or 20a1 and 22a1 of the frame formation that come into abutment with one another and which come to lie on each other when the package is closed.
  • a cold adhesive is selected, which seals only against itself, so that when the two packaging parts 12a and 14a are brought into abutment against each other, a cold seal is formed, which also serves as a locking means.
  • a cling film is used as the cladding skin. Since these may preferably be formed of elastically deformable plastic, such as ULDPE or mLDPE, these sheaths may be arranged without folds. The material elongation necessary for deformation from the staging shape to the use shape can then be obtained from the elasticity of the material.
  • a further embodiment of a packaging according to the invention is indicated, in which the skin 16i formed from a plastic film is directly connected to the diaphragm formations and due to the connection of the diaphragm formations with the frame formation 20i indirectly to the frame formation 20i.
  • Possible adhesive application tracks 82i1 and 82i2 are shown in the area of the diaphragm designs. The further the connection point of the envelope skin 16i with the diaphragm formations is displaced away from its respective pivot axis into the receiving opening 26i, the more force is needed to deform the envelope skin 16i. Thus, the desired closing force and deformation work on the skin can be set for a predetermined packaged goods.
  • Fig. 13a to 13d show how a further embodiment according to the invention of the packaging discussed here can be formed by folding with an at least partially multi-layered frame formation 20j or 22j.
  • Sheaths shown 16j and 18j which in turn may be integrally connected, are formed folding zones 46j to 52j.
  • the frame formations 20j and 22j are formed with Umfalzabitesen that can be folded around folding axes on underlying portions of the same frame formation 20j and 22j, as the Fig. 13a to 13b can be seen.
  • remote longitudinal ends of Hüllfeldute 16j and 18j formed a connection with each formed at the respective associated longitudinal ends of the frame formation 20j or 22j Umfalzabitese, for example by gluing, in particular by an adhesive application 90j or 92j parallel to Folding axis 94j or 96j.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Packages (AREA)
EP15160472.5A 2014-04-07 2015-03-24 Emballage alimentaire doté d'une enveloppe déformable par le produit d'emballage destiné à la formation d'un volume d'emballage au moment de la fermeture de l'emballage Not-in-force EP2930124B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102014206687.5A DE102014206687A1 (de) 2014-04-07 2014-04-07 Verpackung, insbesondere Lebensmittelverpackung, mit einer durch das Verpackungsgut verformbaren Hüllhaut zur Bildung eines Verpackungsvolumens beim Schließen der Verpackung

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EP2930124A1 true EP2930124A1 (fr) 2015-10-14
EP2930124B1 EP2930124B1 (fr) 2017-09-13

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Citations (5)

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US5964161A (en) 1997-10-30 1999-10-12 Conway; Kay Christine Expandable tray
JP2002326664A (ja) * 2001-04-26 2002-11-12 Rengo Co Ltd ストレッチ包装体
US20100096282A1 (en) 2008-10-17 2010-04-22 Roberts Steven M Combination food or beverage tray and catching mitt
DE202010004076U1 (de) * 2010-03-19 2010-09-30 Froeb, Norbert Membranverpackung zum schnellen Fixieren von Verpackungsgegenständen
DE202010004319U1 (de) * 2010-03-27 2011-05-05 Satzger, Bernhard Verpackung für Fastfood

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US3298515A (en) * 1962-07-31 1967-01-17 American Packaging Corp Package
US3270878A (en) * 1965-08-05 1966-09-06 Waldorf Paper Prod Co Display packages
GB1201303A (en) * 1966-07-21 1970-08-05 Shirley And Warbey Box Company Means capable of forming a package
GB1197052A (en) * 1966-07-29 1970-07-01 Shirley And Warbey Box Company Display Package and means for making such Packages
US3407928A (en) * 1966-09-08 1968-10-29 American Packaging Corp Display package
US3375921A (en) * 1967-01-31 1968-04-02 Ligon Robert Joseph Article display package and method and blanks for making same
DE8425411U1 (de) * 1984-08-28 1984-11-22 A. Landerer Gmbh & Co Kg, 7107 Neckarsulm Klarsichtpacking
DE3530227A1 (de) * 1985-08-23 1987-02-26 Product Innovations Gmbh Schrifttraeger
US6193057B1 (en) * 1997-03-28 2001-02-27 Frank J. Cappiello Jewelry display and information device
NL1010822C2 (nl) * 1998-12-16 2000-06-19 Ligra B V Verpakking.
WO2012054163A1 (fr) * 2010-10-08 2012-04-26 Meadwestvaco Corporation Feuille cartonnée de sécurité présentant des éléments mis en forme de retenue de contenu
JP2012153396A (ja) * 2011-01-26 2012-08-16 Tanida Co Ltd 包装用パッケージ
JP5974550B2 (ja) * 2012-03-07 2016-08-23 大日本印刷株式会社 包装体

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5964161A (en) 1997-10-30 1999-10-12 Conway; Kay Christine Expandable tray
JP2002326664A (ja) * 2001-04-26 2002-11-12 Rengo Co Ltd ストレッチ包装体
US20100096282A1 (en) 2008-10-17 2010-04-22 Roberts Steven M Combination food or beverage tray and catching mitt
DE202010004076U1 (de) * 2010-03-19 2010-09-30 Froeb, Norbert Membranverpackung zum schnellen Fixieren von Verpackungsgegenständen
DE202010004319U1 (de) * 2010-03-27 2011-05-05 Satzger, Bernhard Verpackung für Fastfood

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EP2930124B1 (fr) 2017-09-13

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