EP0290596B1 - Boite d'emballage - Google Patents

Boite d'emballage Download PDF

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Publication number
EP0290596B1
EP0290596B1 EP88900685A EP88900685A EP0290596B1 EP 0290596 B1 EP0290596 B1 EP 0290596B1 EP 88900685 A EP88900685 A EP 88900685A EP 88900685 A EP88900685 A EP 88900685A EP 0290596 B1 EP0290596 B1 EP 0290596B1
Authority
EP
European Patent Office
Prior art keywords
lining
coating
coated
lined
packing box
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
Application number
EP88900685A
Other languages
German (de)
English (en)
Other versions
EP0290596A1 (fr
Inventor
Klaus Krause
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.)
Individual
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Individual
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Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6313331&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0290596(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Individual filed Critical Individual
Priority to AT88900685T priority Critical patent/ATE63515T1/de
Publication of EP0290596A1 publication Critical patent/EP0290596A1/fr
Application granted granted Critical
Publication of EP0290596B1 publication Critical patent/EP0290596B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B65D5/42—Details of containers or of foldable or erectable container blanks
    • B65D5/56—Linings or internal coatings, e.g. pre-formed trays provided with a blow- or thermoformed layer

Definitions

  • the invention relates to a packaging box with a base and a lid part made of cardboard material with an inner coating or lamination layer, made from a one-piece blank that can be folded into the box. As well as a method of making and using such packaging circuits.
  • Known packaging boxes for food in particular pizzas, have a continuous coating or lamination layer made of heat and / or moisture insulating material on the entire inner surface of the blank.
  • the blank is therefore made from a two-layer material. It has been found that the pizzas in such packaging boxes lose their crispiness relatively quickly.
  • the object of the invention is to create a generic packaging box in which the packaged goods retain their desired properties longer than in conventional packaging boxes, without other properties of the packaging box being significantly impaired thereby, and which with less, but in no way with, significantly is more expensive to produce than conventional packaging boxes.
  • the invention makes it possible to control the atmosphere inside the packaging box, in particular with regard to the temperature and humidity caused by the properties of the packaged goods, and the desired properties of the packaged goods, in particular with regard to its temperature and humidity, can be maintained longer than in conventional packaging boxes.
  • base part is understood to mean the actual base together with the side walls extending upwards from the base edge and the associated folding, plug-in or adhesive tabs.
  • lid part in the sense of the invention means not only the approximately horizontal lid surface closing the packaging box upwards, but also side walls or side wall strips extending downward from the lid edge with associated folding, plug-in or adhesive tabs.
  • Cardboard material is, for the purposes of the invention, any type of cardboard or paper in a more or less thin, optionally rib or similar reinforced, sufficiently inherently rigid layer, which is therefore suitable to serve as the side wall, lid or bottom of a packaging box.
  • the cardboard material can be a receiving material made of cellulose products or it can be made from original cellulose material.
  • a "one-piece blank that can be folded into the box” is, in the sense of the invention, an initially flat cardboard layer which is punched or cut from a larger sheet and provided with embossed edges or scoring in such a way that the layer material can be folded into the box along this. Such a cut thus represents a coherent development of all wall and connection areas of the packaging box.
  • the corners of such packaging boxes can be snapped together or folded by means of appropriate tabs or produced by gluing between adhesive tabs and parallel wall surfaces of the box.
  • Bottom inner surface and “inner lid surface” of the packaging box in the sense of the invention, is understood to mean that inner surface of the packaging box that belongs to the bottom and top plate.
  • any substance is suitable which can be applied to the web or layer of the cardboard material in liquid form and distributed to a layer which is as uniformly thick as possible and which dries or hardens in this state, e.g. Diophane, which is applied with a roller system and distributed with an air brush.
  • laminate material in the sense of the invention, any material is suitable, which can be produced in a thin, film-like layer and by surface gluing, with or without exposure to heat and with or without using a special adhesive layer with the web or the layer of cardboard material over the entire surface is connectable, such as films made of polyester, polypropylene and similar plastics, or those films which carry or represent the adhesive substance on a surface; Foils made of aluminum are particularly preferred.
  • the base part forms a trough or shell which is closed at the bottom and to the side in the aforementioned sense.
  • This trough or tray is preferably designed such that the entire base part, including the associated side walls and folding or adhesive tabs, has no incisions or openings in the region of the blank forming the base part, at least at the transition between base plate and side walls and folding tabs.
  • the cover part remains uncoated or uncapped saves corresponding amounts of material. If, as is preferred, the side walls of the base part are also coated or laminated, the material consumption for coating or laminating the folding, plug-in or adhesive tabs is no longer significant, but enables a particularly efficient way of producing the packaging box. Then the cardboard material from which the blank is made can be completely laminated or coated in one part, while it remains completely uncoated or unlaminated in its other part. The boundary between the two areas is then formed by the folded edge at which the cover part is connected to the base part to form an integral whole and which generally also forms the hinge between the cover and base part.
  • the coating or lamination of the cardboard material and the punching or cutting of the blank can then take place in a production line, because they are on a parallel path of the cardboard material, in particular up to to one of the side edges of a longer sheet of cardboard material.
  • a still uncoated cardboard material and a laminating film can then be drawn off from a supply roll or the like and fed continuously to a laminating station on the production line, the film being narrower than the cardboard web in the transport direction.
  • At least the cover itself (the cover plate) consists of a completely closed cardboard layer, that is to say has no openings or incisions; this makes it largely impermeable to rising heat or vapors from the packaging box, vapors being adsorbed.
  • the cover part can be coated or laminated on the, in particular the entire, outer surface of the lid, specifically with the same or with a different laminating or coating material as the inner surface of the floor.
  • the lid is a particularly effective barrier layer, which can have both moisture and heat insulation. Nevertheless, the physical properties of the inner surface of the lid are not affected by this outer coating or lamination.
  • the coating or laminating material on the inside surface of the floor should be heat and / or moisture insulating; the latter in particular when the packaged goods are foods which release or absorb moisture, particularly when the temperature changes, such as, for example, prepared and baked still warm pizzas or the like, or as in frozen foods.
  • moisture-insulating means an insulating effect against the absorption and / or passage of moisture as a liquid or vapor from water, oils, fats and / or the like.
  • Packaging boxes according to the invention are suitable for packaging any goods that can be packaged in cardboard material, in particular for foodstuffs and especially for ready-made or largely ready-made meals, in particular ready-to-eat meals that are already at the consumption or storage temperature, such as e.g. Pizzas. Rising vapors, vapors and the like are then absorbed on the inside surface of the lid.
  • ventilation holes in the packaging box can be dispensed with, at least to a large extent, as a result of which the temperature of the packaged goods can be kept in the desired temperature range over a comparatively long time, namely - in the case of the ready meals - in the range of the consumption or storage temperature.
  • packaging boxes according to the invention can be stacked side by side and one above the other - as far as their stability permits; the advantageous effects achieved by the different coating or lamination of the inner surface of the packaging box according to the invention are practically not impaired by the stacking.
  • Another packaging such as a foil packaging or a plastic carrying case or the like, enveloping the packaging box or one or more stacks of packaging boxes is equally harmless. Insofar as the lid part remains unclad and uncoated, the known environmentally friendly properties of the cardboard material are fully preserved.
  • the blanks 1 shown in FIGS. 1 and 2 and 4b are cut or cut in the region of all solid lines and - to facilitate folding - in Grooved area of all dashed lines or scored in the area of all dash-dotted lines.
  • Each one-piece blank 1 consists of a base part 3 and a cover part 4.
  • the base part 3 consists of a base 6 and on the edge of which there are adjoining side walls 8.
  • the base part 3 is formed into a bowl-shaped structure after the folding and gluing step .
  • Punching lines 5 can be provided in one or more side walls 8 for creating ventilation holes.
  • the cover part 4 consists of the cover (cover plate) 7 at the edge of which side wall strips 11 can be attached.
  • the corner connections are made using adhesive tabs 9.
  • folding tabs 10 plug-in tabs
  • Short incisions 12 facilitate the making of the corner connections in a known manner.
  • the blank according to FIG. 1 can be folded relatively flat after the folding and gluing step and thus stored. The storage space for the unused packaging box is then larger than with the blank according to FIG. 2, but the already folded and glued blank according to FIG. 1 is ready for use faster, i.e. erected to pick up a good to be packed.
  • the blanks according to FIGS. 1, 2 and 4b are made from cardboard material known for pizza boxes using recycled cellulose products.
  • the lamination layer made of aluminum has both heat and moisture insulation.
  • all of the lid part 4 attributable inner surfaces namely the lid inner surface 7 ', as well as the inner surfaces 11' of the side wall strips 11 but also the inner surfaces of the folding tabs 10 or adhesive tabs 9 to be assigned to the lid part 4, are completely non-laminated and uncoated, i.e. consist of pure Cardboard material.
  • These surfaces can alternatively be coated or laminated with a particularly moisture-absorbing material, but this is usually not necessary, since uncoated and non-laminated cardboard material has proven to be sufficiently moisture-absorbent for most applications.
  • the entire outer surface 4 'of the cover part 4 is laminated with printed paper or the like or, alternatively, coated in a suitable manner so that the thermal insulation value of the cover part 4 increases and also moisture, such as oils, water and the like is largely prevented from passing through the surfaces of the cover part 4.
  • the packaging boxes shown in the figures allow storage e.g. of ready-made and warm pizzas for comparatively long times, without the heat loss being too high and without the packaging box being dampened by oils or water vapors; nevertheless, the crunchiness of the pizzas packaged in this way hardly suffers.
  • packaging boxes according to the invention are also excellently suitable for being inserted into ready-made meals in microwave ovens in which the packaged goods are heated to the required extent within the packaging.
  • the bottom part 3 e.g. in its lower half, be moisture-proof, without having to do without adhesive tabs, in particular pluggable or latchable tabs for producing a stable corner connection.
  • the blank in the area of the base part 3 is completely coated or laminated, i.e. on the bottom inner surface 6 ', the inner surfaces 8' of the side walls 8 and also on the inner surfaces 10 'of the plug-in tabs 10.
  • the plug-in tab 10 connects the associated edges of adjacent side walls 8 in such a way that in the region near the bottom of the corner between the bottom, side walls and plug-in tab none Openings or incisions, as are otherwise common, are present.
  • a diagonally running fold line 10D which starts from the corner of the bottom part and usually halves the angle between the edges of adjacent side walls (with a flat cut), divides the plug-in tab 10 into a tab part surface 10A, which is assigned to the one side wall, and one Tab portion 10B associated with the adjacent side wall.
  • the lowest height of the plug-in tab 10 or the side wall incision 12 measured from the bottom 6 determines the height of the moisture-tight area of the base part 3 close to the bottom .
  • all other locking means known for packaging boxes can also be used for corner connections.
  • a tub-like moisture and liquid-tight bottom part 3 can also be produced without plug-in or adhesive tabs.
  • folding tabs 10 and 13 are used, which are on adjacent side walls 8 or 11 of the bottom part 3 or the lid part 4 are hinged, the folding tabs 10 with the side walls 8 or side wall strips 11 forming vertical edges of the packaging box, while the folding tabs 13 with the adjacent side walls 8 or side wall strips 11 form horizontal edges (in the erected condition of the packaging box).
  • the folding flaps 13 overlap the folding flaps 10.
  • the folding flaps 13 can have an additional edge zone 13 'which, when the box is erected, lie parallel on the bottom 6 or lid 7, while the folding flaps 10 and 13 lie parallel to the vertical side walls.
  • the tab portions 10A and 10B are in the erected state of the packaging box on the same side wall 8.
  • the resulting thickening can be undesirable, in particular if several packaging boxes are to be stackable one inside the other and for this purpose have slightly tapering side walls at the top.
  • the tab part surfaces 10A and / or 10B can only consist of a thin skin made of moisture-proof material, ie that in this area no cardboard material but only laminating or Coating material is provided.
  • the correspondingly manufactured or producible tab partial surfaces 10A / 10B are designated by x in the left half of FIG. 4b.
  • Such a blank 1 is preferably produced in such a way that first the areas designated with x are punched out of a cardboard material, subsequently the cardboard material is laminated or coated according to the invention in the region of the base part and finally the blank 1 is completely punched out, grooved and / or scored becomes. This can also be done continuously or batchwise in a production line - as explained below in FIG. 5.
  • a web 14 of cardboard material is removable from a supply roll 14A.
  • a film 15, for example made of aluminum as laminating material can be removed from a supply roll 15A.
  • the web 14 made of cardboard material is about twice as wide as the film 15.
  • the web 14 made of cardboard material and the film made of aluminum are glued together (laminated). Passing the different widths of the web 14 and the film 15, only about half of the web 14 is laminated.
  • blanks 1 are punched out of the partially laminated web 14 in such a way that the bottom part 3 consists entirely of laminated and the cover part 4 completely consists of non-laminated cardboard material.

Abstract

Des boîtes d'emballage ayant un fond et un couvercle (3 et 4) en carton avec une couche de revêtement ou doublure intérieure, formées d'un flan (1) pliable en une seule pièce, assurant la conservation des qualités voulues des marchandises emballées plus longtemps que les boîtes d'emballage usuelles, sans porter essentiellement préjudice aux autres qualités de la boîte d'emballage. On devrait pouvoir produire ces boîtes d'emballage à un coût encore inférieur au coût de production des boîtes d'emballage usuelles. A cet effet, le fond (3) est revêtu ou doublé sur toute sa surface intérieure (6'), alors que le couvercle (4) se compose sur toute sa surface intérieure de simple cartonnage, ou le fond (3) est revêtu ou doublé sur toute sa surface intérieure (6') avec un premier matériau, alors que le couvercle (4) est revêtu ou doublé sur toute sa surface intérieure (7') avec un deuxième matériau, les deux matériaux de revêtement ou de doublure ayant des propriétés physiques distinctes.

Claims (12)

1. Boîte d'emballage comprenant une partie de fond et une partie de couvercle en carton avec une couche intérieure de couverture ou de contrecollage réalisée à partir d'une ébauche (1) en une pièce pouvant être pliée pour former une boîte (2), caractérisée en ce que la partie de fond (3) est recouverte ou munie par contrecollage sur toute la face intérieure de fond (6′) d'une matière de couverture ou de contrecollage isolant à la chaleur et/ou à l'humidité, tandis que la partie de couvercle (4) est en carton absorbant l'humidité sur toute la face intérieure de couvercle (7′).
2. Boîte d'emballage comprenant une partie de fond et une partie de couvercle en carton avec une couche intérieure de couverture ou de contrecollage, réalisée à partir d'une ébauche (1) en une pièce pouvant être pliée pour former une boîte (2), caractérisée en ce que la partie de fond (3) sur toute la face intérieure de fond (6′) est recouverte ou munie par contrecollage d'une première matière, tandis que la partie de couvercle (4), sur toute la face intérieure de couvercle (7′) est recouverte ou munie par contrecollage d'une seconde matière, et en ce que les deux matières de couverture ou de contrecollage ont des propriétés physiques différentes l'une de l'autre.
3. Boîte d'emballage suivant la revendication 1 ou 2, caractérisée en ce que la partie de fond (3) est recouverte ou munie par contrecollage de la matière de couverture ou de contrecollage isolant à la chaleur et/ou à l'humidité ou recouverte ou munie par contrecollage de la première matière, également sur les faces latérales (8) sur leurs faces intérieures (8′) et sur les languettes adhésives, à emboîter ou à plier (9 ou 10) sur leurs faces intérieures (9′ ou 10′).
4. Boîte d'emballage suivant la revendication 3, caractérisée en ce que la couverture ou le contrecollage n'est prévu que à peu près jusqu'à mi-hauteur des faces latérales de la partie du fond.
5. Boîte d'emballage suivant l'une des revendications 1 à 4, caractérisée en ce que la matière de contrecollage est une feuille d'aluminium.
6. Boîte d'emballage suivant l'une des revendications 1 à 4, caractérisée en ce que la matière de couverture est une matière plastique pouvant être appliquée à l'état liquide, répartie en une couche épaisse régulière et durcie.
7. Boîte d'emballage suivant l'une des revendications 1 à 6, caractérisée en ce que le couvercle (7) de la partie de couvercle (4) forme une surface entièrement fermée.
8. Boîte d'emballage suivant l'une des revendications 1 à 7, caractérisée en ce que la partie de couvercle (4) est recouverte ou munie de contrecollage sur au moins une partie de sa face extérieure (4′).
9. Procédé pour la mise en oeuvre d'une boîte d'emballage suivant le préambule de la revendication 1 par recouvrement ou contrecollage et découpage d'une ébauche en carton, caractérisé en ce que la zone formant la partie de fond du carton est recouverte ou munie de contrecollage sur au moins la face intérieure du fond, et que la zone formant la partie de couvercle du carton n'est nullement recouverte ou munie de contrecollage ou est recouverte ou munie de contrecollage par une matière ayant une propriété physique différente de la matière de couverture ou de contrecollage de la partie de fond.
10. Procédé selon la revendication 9, caractérisé en ce que du carton, non encore recouvert, est déroulé d'une bobine d'alimentation ou d'une pile de réserve et qu'une feuille de contrecollage est déroulée d'une bobine d'alimentation ou analogue ou qu'une matière de couverture est amenée à un élément de réserve et que les deux sont dirigées vers un poste de contrecollage ou un poste de recouvrement d'une chaîne de production, en particulier en continu, et l'on utilise une feuille ou une matière de couverture dont la largeur, dans le sens de transport, est inférieure à celle de la bande de carton et qui peut être appliquée sur celle-ci, et que l'ébauche est réalisée dans un poste de découpage placé avant ou après le poste de recouvrement ou de contrecollage.
11. Procédé selon la revendication 10, caractérisé en ce que des zones partielles de la matière de carton sont découpées dans un autre poste de découpage placé avant le poste de collage ou de recouvrement et que ces zones partielles sont ensuite également recouvertes ou munies de contrecollage.
12. Utilisation d'une boîte d'emballage suivant l'une des revendications précédentes en tant qu'emballage de produits alimentaires pendant le réchauffement de ces derniers dans des fours à micro-ondes.
EP88900685A 1986-11-06 1987-11-06 Boite d'emballage Expired - Lifetime EP0290596B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88900685T ATE63515T1 (de) 1986-11-06 1987-11-06 Verpackungsschachtel.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3637867 1986-11-06
DE19863637867 DE3637867A1 (de) 1986-11-06 1986-11-06 Verpackungsschachtel

Publications (2)

Publication Number Publication Date
EP0290596A1 EP0290596A1 (fr) 1988-11-17
EP0290596B1 true EP0290596B1 (fr) 1991-05-15

Family

ID=6313331

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88900685A Expired - Lifetime EP0290596B1 (fr) 1986-11-06 1987-11-06 Boite d'emballage

Country Status (4)

Country Link
EP (1) EP0290596B1 (fr)
DE (2) DE3637867A1 (fr)
FI (1) FI882959A (fr)
WO (1) WO1988003503A2 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NZ237467A (en) * 1987-11-29 1991-08-27 Brown Gables Holdings Ltd Graphic laminating machine to bond metallised plastics film to corrugated card
EP0323730B1 (fr) * 1988-01-04 1993-01-27 The Wiggins Teape Group Limited Emballage en carton combiné avec une pile de feuilles
DE8801146U1 (fr) * 1988-02-01 1988-04-21 Crisandt & Cie Kg, 5830 Schwelm, De
DE9115841U1 (fr) * 1991-12-20 1992-02-20 Koch, Herbert, 5600 Wuppertal, De
DE4428948C2 (de) * 1994-08-16 1999-04-15 Johannes Serr Aufnahmebehältnis für Warmspeisen
DE19628934C2 (de) * 1996-07-18 1999-03-04 Rolf Kimmich Transportverpackung
DE10110850A1 (de) * 2001-03-07 2002-09-12 Rolf Groeger Kondensspeicher
CN113914144A (zh) * 2020-07-08 2022-01-11 东莞市锦源环保科技发展有限公司 一种包装盒的裁切方法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2470465A (en) * 1946-07-26 1949-05-17 Marathon Corp Frozen food package
CH403623A (fr) * 1964-07-02 1965-11-30 Weyerhaeuser Co Récipient
US3590699A (en) * 1968-06-07 1971-07-06 Continental Can Co Method and apparatus for producing facsimile hand-wrapped cartons
GB1289328A (fr) * 1969-12-16 1972-09-13
BE756843A (fr) * 1970-09-30 1971-03-30 Ucb Sa Emballages de pains.
DE7630689U1 (de) * 1976-10-01 1978-08-31 Schroeder & Wagner Mit einem Einsatzbeutel vereinigter flach zusammengelegter Faltschachtel-Zuschnitt
US4237171A (en) * 1979-02-21 1980-12-02 Fred C. Laage Insulated and moisture absorbent food container and method of manufacture
US4260060A (en) * 1979-09-17 1981-04-07 Champion International Corporation Food carton for microwave heating
US4441626A (en) * 1981-12-14 1984-04-10 Fidelity Grafcor, Inc. Pizza box
DE3318310A1 (de) * 1983-05-19 1984-11-22 CP Schmidt Verpackungs-Werk GmbH & Co KG, 6750 Kaiserslautern Faltschachtel mit innenfutter sowie verfahren und vorrichtung zur herstellung
JPH0335691Y2 (fr) * 1985-06-07 1991-07-29
DE8529796U1 (de) * 1985-10-21 1985-12-05 Graphia Hans Gundlach Gmbh, 4800 Bielefeld Versandschachtel

Also Published As

Publication number Publication date
DE3770164D1 (de) 1991-06-20
FI882959A0 (fi) 1988-06-21
WO1988003503A2 (fr) 1988-05-19
DE3637867C2 (fr) 1988-10-27
FI882959A (fi) 1988-06-21
DE3637867A1 (de) 1988-05-19
WO1988003503A3 (fr) 1988-06-16
EP0290596A1 (fr) 1988-11-17

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