EP1882637B1 - Récipient d'emballage - Google Patents

Récipient d'emballage Download PDF

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Publication number
EP1882637B1
EP1882637B1 EP07013744A EP07013744A EP1882637B1 EP 1882637 B1 EP1882637 B1 EP 1882637B1 EP 07013744 A EP07013744 A EP 07013744A EP 07013744 A EP07013744 A EP 07013744A EP 1882637 B1 EP1882637 B1 EP 1882637B1
Authority
EP
European Patent Office
Prior art keywords
sleeve
welded
container
lid
base
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.)
Active
Application number
EP07013744A
Other languages
German (de)
English (en)
Other versions
EP1882637A1 (fr
Inventor
Willi Krieger
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.)
Optima-Maschinenfabrik Dr Buehler & Co KG GmbH
Original Assignee
Optima-Maschinenfabrik Dr Buehler & Co KG GmbH
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 Optima-Maschinenfabrik Dr Buehler & Co KG GmbH filed Critical Optima-Maschinenfabrik Dr Buehler & Co KG GmbH
Publication of EP1882637A1 publication Critical patent/EP1882637A1/fr
Application granted granted Critical
Publication of EP1882637B1 publication Critical patent/EP1882637B1/fr
Active 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
    • B65D77/00—Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks or bags
    • B65D77/22—Details
    • B65D77/225—Pressure relief-valves incorporated in a container wall, e.g. valves comprising at least one elastic element
    • 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
    • B65D3/00—Rigid or semi-rigid containers having bodies or peripheral walls of curved or partially-curved cross-section made by winding or bending paper without folding along defined lines
    • B65D3/02—Rigid or semi-rigid containers having bodies or peripheral walls of curved or partially-curved cross-section made by winding or bending paper without folding along defined lines characterised by shape
    • B65D3/04—Rigid or semi-rigid containers having bodies or peripheral walls of curved or partially-curved cross-section made by winding or bending paper without folding along defined lines characterised by shape essentially cylindrical
    • 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
    • B65D3/00—Rigid or semi-rigid containers having bodies or peripheral walls of curved or partially-curved cross-section made by winding or bending paper without folding along defined lines
    • B65D3/10—Rigid or semi-rigid containers having bodies or peripheral walls of curved or partially-curved cross-section made by winding or bending paper without folding along defined lines characterised by form of integral or permanently secured end closure
    • B65D3/12—Flanged discs permanently secured, e.g. by adhesives or by heat-sealing
    • 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
    • B65D43/00—Lids or covers for rigid or semi-rigid containers
    • B65D43/02—Removable lids or covers
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00018—Overall construction of the lid
    • B65D2543/00064—Shape of the outer periphery
    • B65D2543/00074—Shape of the outer periphery curved
    • B65D2543/00092—Shape of the outer periphery curved circular
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00018—Overall construction of the lid
    • B65D2543/00259—Materials used
    • B65D2543/00296—Plastic
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00435—Lids secured to an intermediate ring or like annular member fixed to the container mouth
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00481—Contact between the container and the lid on the inside or the outside of the container
    • B65D2543/0049—Contact between the container and the lid on the inside or the outside of the container on the inside, or a part turned to the inside of the mouth of the container
    • B65D2543/00509—Cup
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00481—Contact between the container and the lid on the inside or the outside of the container
    • B65D2543/00537—Contact between the container and the lid on the inside or the outside of the container on the outside, or a part turned to the outside of the mouth of the container
    • B65D2543/00546—NO contact

Definitions

  • the invention relates to a serving as a packaging container for food and beverage can.
  • Packaging containers of this type have a multiple task. On the one hand, they should, of course, protect foods or stimulants against external influences, so that they retain their properties unchanged over a longer period of time. This includes that the packaging containers are airtight. On the other hand, they should offer the possibility that a user can see that the container has not yet been opened. In addition, they should of course also allow transporting, that is, they must have a certain stability. Nevertheless, they should have the lowest possible weight, since during transport, not only the weight of the content counts, but also the weight of the packaging.
  • the invention is based on the object to provide a packaging container that meets all these requirements.
  • the invention proposes a packaging container in the form of a box with the features of claim 1. Further developments of the invention are the subject of dependent claims.
  • the box thus contains a cylindrical, in particular circular cylindrical shell made of a polypropylene, which is preferably provided with an oxygen protection.
  • the floor may in particular consist of the same material and be welded to the shell.
  • the lid which is also welded to the casing, will not be used until the can has been filled.
  • the use of a plastic material with oxygen protection means that no air, especially no oxygen, can get inside.
  • Oxygen is the substance that causes food or luxury foods to age.
  • the cylindrical shape means that the can at any point kinks that could represent a weakening.
  • the uniform curvature of the wall of the can means that there is great stability of the can.
  • the can stand on the end edge of the cylindrical sleeve, and it is clearly resilient in the axial direction of the shell.
  • a ring made of polypropylene is welded, which forms a solindharilindharide inner lateral surface on which the lid rests with an edge surface and with which the lid is welded. It is thus formed a separate contact surface for the lid, so that a defined point is present at which the lid is welded.
  • the lid at least on its edge surface, that is with the surface with which it is welded to the shell and / or the inner ring, Peeleigenschaften.
  • This may be a special treatment of the material of the lid or a coating.
  • a peel layer is understood as meaning a plastic layer whose temperature resistance or its melting point is lower than that of the pure plastic material. This can be achieved by additives.
  • the peel layer on the one hand enables a liquid-tight and airtight sealing of the lid edge, but on the other hand enables peeling without damaging the peel layer.
  • the bottom has a flat-cylindrical surface, with which it is welded to the shell.
  • This lateral surface means that a larger surface is available for the welding.
  • the attachment of the floor is done such that the bottom of the lower end edge of the cylindrical shell has a certain distance.
  • the free edge of the bent-over lateral surface of the floor can run flush with the free end edge of the shell.
  • the distance between the circular bottom of the end edge of the shell has the advantage that at a pressure increase inside the can initially a buckling of the soil outwards, which does not affect the stability of the can, as long as the ground no further than up to the level the stand surface is dented.
  • the can has a pressure relief valve.
  • pressure relief valves are known per se in packaging.
  • the valve speaks at an overpressure of 3 to 5 mbar.
  • the invention proposes to use a pressure relief valve, which responds, for example, only at about 60 to 80 mbar. This makes it possible that even with an overpressure that would lead to a greater bulging of the soil, the stability and stability of the can does not suffer.
  • this pressure relief valve is arranged in the bottom of the can. There it is not visible when the can is on the bottom.
  • the can is preferably made from a sheet blank and thus has a longitudinal seam. This seam may be the welding of the superimposed edges of the blank used for the sleeve.
  • the invention also proposes a method of manufacturing a packaging container in the form of a can for packaging food and luxury foods.
  • a film is provided as an endless belt, which is then removed from the roll.
  • the film is divided into sections. Each section is curved about the longitudinal direction of the belt, for example, placed around a mandrel.
  • the slightly overlapping edges of the blank are welded together.
  • a bottom is punched out of the same material and inserted into the one end of the envelope produced from the blank of the film and sealed.
  • To filling a lid is inserted into the other end of the shell and welded.
  • the bottom is welded at a distance from the associated end edge of the shell.
  • an overpressure valve is inserted into the bottom prior to its insertion into the casing.
  • a ring is welded, which rests against the inside of the shell and on the inner circumferential surface of the lid is brought to rest before it is welded.
  • the ring and the lid are first connected to each other or assembled and welded as a unit with the shell.
  • FIG. 1 showing a perspective exploded view of the can serving as a packaging container.
  • the can includes a cylindrical shell 1 made from a single blank. The edges of this initially flat blank are welded together and form a longitudinal seam 2.
  • the shell is constructed circular cylindrical and has an upper end edge 3 and an end edge 4 formed at the opposite end.
  • the upper end edge 3 is associated with a cover 5, while the lower end edge 4 is assigned a bottom 6.
  • the bottom 6 is formed as a flat element with a flat away from the can wall portion 7. It is inserted from the bottom into the can until the free edge 8 of the edge portion 7 is flush with the end edge 4 of the shell 1. Then takes place along the edge 7 a Ultraschallversch spaung between the bottom and the shell 1. This is given at this point an airtight connection.
  • a ring 9 is arranged, which is welded with its outer side to the inside of the shell 1 and slightly protrudes into the shell 1 into it.
  • the ring 9 forms an inner side 10, at which the outer edge 11 of the lid 5 comes to rest and to which it is welded.
  • This outer edge 11 of the lid 5 has Peeleigenschaften, that is, he can be easily detached there.
  • FIG. 2 shows the details just described in their mutual association.
  • the shell 1 is shown broken off.
  • the ring 9 is used, which has an outer surface 12 and an inner surface 13. With the outer surface 12, it is connected to the inside of the shell 1. It has on its outer surface 12 a flange 14 which forms a contact surface 15. As a result, the correct position of the ring 9 relative to the shell 1 is defined.
  • the lid 5 has at its end an outwardly projecting flange 16 on which, for example, a grip tab 17 may be formed. At this flange 16 'is followed by a cylindrical part, which is then followed by an outwardly directed bead 18.
  • the lid 5 is first inserted into the ring 9 and then inserted as a unit in the slightly expanded casing 1, and then ultrasonically welded with this.
  • the lid is welded on only when the can is filled with the stimulant or the food.
  • FIG. 3 shows the top view of a pressure relief valve, as it can be mounted according to the invention in the bottom 6 of the can.
  • This pressure relief valve contains two interconnected layers of plastic, wherein in the container-facing layer 23, a defined opening 20 is present. Over this lower layer 23, an upper layer 24 is laid, which is bonded by means of two adhesive layers with the lower plastic layer 23. The two adhesive layers extend from the edge towards the hole 20, but leave a gap between them. The mutually facing edges 22 of the adhesive layer form a continuous from one edge 25 of the pressure relief valve to the other edge 25 channel in which the opening 20 opens. Between the two layers 23, 24, a drop of silicone oil is applied in this channel 21. The two layers are thus supported by the silicone oil also within the channel 25 to each other.
  • FIG. 5 shows very simplified how to make the container from a present as an endless belt film.
  • the film 30 is unwound from a film roll 31.
  • the film roll has a width corresponding to the circumference of the can.
  • the film may have on its later inner side individual markings 32, which indicate at which points the film is to be cut.
  • the film is then rolled up so that the earlier side edges of the endless belt 30 slightly overlap one another.
  • the shell 1 is formed. The laying around and welding can be done on a mandrel, which holds the shell even when the bottom 6 is inserted into one end.
  • the procedure is as follows.
  • the film 30 is pre-wound from the film roll 31 into a registration loop. From there, the required section length is drawn off via vacuum suction belts, which are driven by servomotors. This is controlled by the markers 32 which are mounted on the foil.
  • the film is transported to a folding table and cut there.
  • the trimmed rectangular blank is folded around a round folding mandrel.
  • the film is held on the mandrel with suction air.
  • the two edges overlap and form an overlap seam.
  • the sealing pad is a sealing strip made of steel and PTFE. There are holes in the mandrel surface that can be used to blow off the foil from the sealing strip.
  • the sealing strip is required because the film must be sealable inside.
  • the film is pulled down around the bottom area of the mandrel.
  • the floor area is slightly widened, for example, to a slope of 15 °.
  • the bottom member 6 is used.
  • This component is also processed by a film roll.
  • the film is pulled off from the film roll by means of a servomotor with rollers.
  • a punch connected to a thermoforming tool cuts out the bottom member and deforms the rim as shown.
  • this component is placed in front of the sealing tool. This tool takes over the soil component using vacuum and adds it in the shell 1 at the same time a seal. This sealing can be done thermally or with ultrasound.
  • the ready-to-fill box is removed from the mandrel, for example by assisted with blowing air mechanical peeling.
  • the can is then rotated 90 ° so that the opening faces up, and is inserted into an intermittent wheel. On this wheel, the contents are introduced and the can closed.
  • the filling can be done for example with coffee pads or ground coffee.
  • cassettes are mounted in groups on a chain.
  • the chains can move individually.
  • the pads are evacuated and refilled with nitrogen, which means the air is removed from the stack.
  • the stack of pads is driven over the nozzle of the foil dosing machine and pushed there into the can.
  • a nozzle is helpful, which is designed for the diameter of the coffee pods.
  • the can can be pre-pressurized with liquid nitrogen, which evaporates after about 4 seconds and thus produces a controlled overpressure in the film box.
  • the can is now transported to the lid loading station, in which the lid is inserted into the can.
  • This may be a ring with lid attached, see above, or just a foil that is pushed into the can. Thereafter, the ring is sealed to the jacket.
  • the overpressure building up in the can, resulting from gas emanating from the coffee, can, as soon as it exceeds the mentioned value, be discharged through the pressure relief valve.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Packages (AREA)
  • Rigid Containers With Two Or More Constituent Elements (AREA)
  • Packaging Of Annular Or Rod-Shaped Articles, Wearing Apparel, Cassettes, Or The Like (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Claims (12)

  1. Boîte servant à conditionner des denrées alimentaires et d'agrément, avec 1.1 une enveloppe cylindrique (1) dans un matériau pouvant être scellé, en particulier en polypropylène,
    1.2 un fond (6) soudé à l'une des extrémités de l'enveloppe (1),
    1.3 un anneau (9) en polypropylène soudé à l'extrémité de l'enveloppe (1) opposée au fond (6),
    1.4 formant une surface latérale intérieure (13),
    1.5 sur laquelle est soudé un couvercle (5) avec une surface marginale (11),
    1.6 caractérisé en ce que la surface marginale du couvercle est pourvue d'un film pelable ou présente des propriétés permettant le pelage.
  2. Boîte selon la revendication 1, dans laquelle le fond (6) présente une surface latérale (7) en forme de cylindre plat, le long de laquelle ledit fond est soudé à l'enveloppe (1).
  3. Boîte selon la revendication 2, dans laquelle le bord libre (7) de la surface latérale (7) affleure le bord (4) de l'enveloppe (1).
  4. Boîte selon l'une des revendications précédentes, dans laquelle ladite boîte comprend une soupape de surpression (figure 3).
  5. Boîte selon la revendication 4, dans laquelle la soupape de surpression est disposée dans le fond (6) de la boîte.
  6. Boîte selon l'une des revendications précédentes, dans laquelle l'enveloppe (1) de la boîte présente une soudure longitudinale (2).
  7. Boîte selon l'une des revendications précédentes, dans laquelle l'enveloppe présente une forme cylindrique circulaire.
  8. Procédé de fabrication d'une boîte, dans lequel
    8.1 une feuille sous forme de bande continue est déroulée d'un rouleau (31),
    8.2 la feuille est séparée en sections individuelles,
    8.3 chaque section prend la forme d'une enveloppe cylindrique (1), dont les bords longitudinaux se chevauchent légèrement,
    8.4 les bords longitudinaux sont soudés ensemble,
    8.5 un fond (6) est soudé à l'une des extrémités de l'enveloppe (1) ainsi formée,
    8.6 après le remplissage, un anneau (9) est soudé dans l'extrémité ouverte de l'enveloppe (1), lequel anneau (9) est en appui sur le côté intérieur de l'enveloppe (1) et sur la surface latérale intérieure (13) duquel un couvercle (5) est posé, puis soudé, ledit couvercle étant pourvu d'un film couche pelable sur une surface marginale.
  9. Procédé selon la revendication 10, dans lequel le fond (6) est placé à distance du bord frontal (4) de l'enveloppe (1).
  10. Procédé selon la revendication 8 ou 9, dans lequel une soupape de surpression est mise en place dans la paroi de la boîte, en particulier dans le fond (6).
  11. Procédé selon l'une des revendications 8 à 10, dans lequel l'anneau (9) et le couvercle (5) sont assemblés, puis soudés conjointement sur l'enveloppe (1).
  12. Procédé selon l'une des revendications 8 à 11, dans lequel le couvercle (5), au moins sur son côté extérieur affecté à l'enveloppe (1), est doté de propriétés permettant le pelage.
EP07013744A 2006-07-28 2007-07-13 Récipient d'emballage Active EP1882637B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102006036137A DE102006036137A1 (de) 2006-07-28 2006-07-28 Verpackungsbehälter

Publications (2)

Publication Number Publication Date
EP1882637A1 EP1882637A1 (fr) 2008-01-30
EP1882637B1 true EP1882637B1 (fr) 2012-01-11

Family

ID=38690535

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07013744A Active EP1882637B1 (fr) 2006-07-28 2007-07-13 Récipient d'emballage

Country Status (3)

Country Link
EP (1) EP1882637B1 (fr)
AT (1) ATE540871T1 (fr)
DE (1) DE102006036137A1 (fr)

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ITUD20120085A1 (it) * 2012-05-11 2013-11-12 Illycaffe S P A Con Unico Socio Contenitore per alimenti, in particolare caffe', procedimento per la sua produzione e per il confezionamento
US8783515B2 (en) 2012-10-25 2014-07-22 Sonoco Development, Inc. Dispenser with fitment
EP3466824A3 (fr) * 2017-10-04 2019-04-17 Tetra Laval Holdings & Finance S.A. Conteneur d'emballage
WO2021007205A1 (fr) * 2019-07-08 2021-01-14 Sonoco Development, Inc. Construction de contenant à revêtement souple et soupape unidirectionnelle

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