EP0668151B1 - Verfahren zur Herstellung einer Schlauchpackung und nach diesem Verfahren hergestellte Packung - Google Patents

Verfahren zur Herstellung einer Schlauchpackung und nach diesem Verfahren hergestellte Packung Download PDF

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Publication number
EP0668151B1
EP0668151B1 EP95810094A EP95810094A EP0668151B1 EP 0668151 B1 EP0668151 B1 EP 0668151B1 EP 95810094 A EP95810094 A EP 95810094A EP 95810094 A EP95810094 A EP 95810094A EP 0668151 B1 EP0668151 B1 EP 0668151B1
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EP
European Patent Office
Prior art keywords
tubular body
lid
package
cup
diaphragm
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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
EP95810094A
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English (en)
French (fr)
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EP0668151A1 (de
Inventor
Georges Sireix
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Individual
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Individual
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    • 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
    • B65D3/26—Opening arrangements or devices incorporated in, or attached to, containers
    • B65D3/261—Opening arrangements or devices incorporated in, or attached to, containers the opening arrangement being located in the container side wall
    • B65D3/262—Opening arrangements or devices incorporated in, or attached to, containers the opening arrangement being located in the container side wall forming a circumferential line of weakness
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2105/00—Rigid or semi-rigid containers made by assembling separate sheets, blanks or webs
    • B31B2105/002—Making boxes characterised by the shape of the blanks from which they are formed
    • B31B2105/0022—Making boxes from tubular webs or blanks, e.g. with separate bottoms, including tube or bottom forming operations

Definitions

  • the present invention relates to a manufacturing process a tubular package having a tubular body made of rigid material, bottom and cover assembled to the body tightly and made of a material identical or similar to said rigid material, a diaphragm or membrane made of identical or similar material being fixed between the product and the cover.
  • the invention also relates to a packaging obtained by the implementation of the process.
  • the most common composite tubular packaging used includes a body made of rigid material consisting of one or more layers of cardboard, a exterior label and interior complex intended to ensure by its composition, on the one hand, the tightness of the packaging and, on the other hand, the compatiblity of this complex with the packaged product.
  • this complex includes a layer of paper, a layer of aluminum and a protective coating allowing a neutral contact between aluminum and product.
  • These packaging often have a metallic background which is crimped on the body after filling. Lid often consists of an aluminum membrane ensuring the inviolability of the box and a cover re-entrant or styling plastic allowing, on the one hand, protect the membrane before use and, on the other hand, the filling of the packaging after extraction of the membrane.
  • This type of packaging uses several materials to the manufacture of the main body, the bottom, the protective cover and membrane is cost relatively high and poses problems at the level ecological, especially for waste disposal.
  • a body forming device we generally report an aluminum membrane with or without a system easy to open, we place on this membrane a molded plastic cover, of a respectable weight for obtain sufficient rigidity. Closing after filling is of the bottom setting type metallic (steel, tinplate or aluminum) which is also produces on heavy machinery and complex. So you get solid packaging but expensive and making recycling almost impossible because of the different materials composing it.
  • Documents DE-A-27 18 574 and FR-A-1 565 609 describe methods of making packaging in cardboard or the like, the lids and bottoms being fixed by gluing, or even by stapling.
  • the object of the present invention is to overcome the disadvantages mentioned above by proposing a method of manufacturing of economical and ecological packaging easy to recycle and capable of packaging a very large number of food, chemical, industrial, etc.
  • the assembly of the cover and the bottom and any diaphragms or protective membranes on the inner surface of the body tubular is done by gluing by depositing before introduction of these elements a bead of adhesive and subsequently introducing these elements and clamping the body periphery on a tampon and possibly heating depending on the glue chosen
  • This procedure allows, on the one hand, to ensure the tightness of the packaging and, on the other hand, to be economical in manufacturing since it is operations that can be done very quickly and simply.
  • the internal face of the tube of the tubular body fitted or not of an internal complex is coated with a plastic film sealing which allows an assembly by soldering of the cover and the bottom and as well as any protective membranes by reactivating said film either by conduction heating, or by high frequency either by ultrasound or any other means and in also applying compression.
  • the diaphragm or membrane of protection located near the cover also includes a sealing plastic film only on its side face product to prevent it from sticking to the lid while the possible membrane located on the side of the bottom of the package includes a sealing film on its two faces.
  • the compression and the reactivation of the sealing plastic film is performed with regard to the assembly of the cover and diaphragm or membrane in two zones spaced in the direction axial to avoid adhesion of the protective membrane on the lid bowl. Besides, the pre-cutting which follows the assembly is done between these two assembly areas.
  • the invention also relates to a packaging obtained in means of the method according to the invention.
  • the internal complex can be constituted only from a compatible sheet of paper or similar with the product to be packaged or contain a sheet of paper and a thin sheet of aluminum. Even in the latter case, recycling is made more easier than before since the amount of aluminum is weak compared to the rest of the packaging and the sheet of paper and cardboard can be recycled together. However, the use of aluminum will reserved for products for which it is absolutely essential. It should also be noted that the sealing film can easily be recycled with the rest of packaging made of paper and cardboard.
  • tubular body of the package whose section can be both tubular and polygonal, may have an external label or of a printed layer, the same label or layer can also on the outside of the cover or even from the bottom.
  • FIG 1 we have shown a tubular packaging 1 having a tubular body 10 of section rectangular made of rigid material 11 closed by a diaphragm or a protective membrane 12 provided with a tab opening 13 integrated or welded to the membrane 12 and a hinged lid comprising a bowl 14 made of a rigid material at least similar to that of the tubular body 10 and of an entourage 15 coming from the tubular body 10 by precut and hem as will see it later.
  • the bottom of the packaging which is not visible in Figure 1, also present a bowl similar to bowl 14 assembled on the internal face of the body 10 the lower end of the body 10 also being folded (hemmed).
  • Figure 1A shows a partial view of a package including the same elements as the packaging of Figure 1, the only difference being that it is of circular section.
  • the same reference numbers with an accent (') denote the same elements.
  • FIG 2 we have shown a package 2 of circular section comprising a tubular body 20 also made of a rigid material such as cardboard, closed by a cover 21 comprising a bowl 22 formed by stamping at least similar material to that of the tubular body 20, an entourage 23 obtained by folding (hemming) the upper part of the tubular body 20 and precut 25.
  • a cover 21 comprising a bowl 22 formed by stamping at least similar material to that of the tubular body 20, an entourage 23 obtained by folding (hemming) the upper part of the tubular body 20 and precut 25.
  • there are 24 discontinuity points in the pre-cut 25 of the lateral surface of the main body 20 which ensure the apparent inviolability of the packaging.
  • we can obtain the spacing of the cover 21 of the packaging which is preferably fitted with a diaphragm or a protective membrane similar to that of figure 1.
  • the bottom of the package not shown in Figure 2 is obtained from similar to that in Figure 1.
  • FIG. 3 we have shown a tubular body 3 made of a rigid material 30 and coated on its surface interior of a complex 31 consisting of at least one sealing plastic film.
  • the tubular body 30 is manufactured using known methods and means not being the subject of the present invention. It is held around and near one of its ends by two jaws 4 ensuring the holding and centering of the body 3 while a piece 5 cut from a coil of a material at least similar to the rigid material 30 is placed on a die 6.
  • Another part 7 made thinner material such as cut paper also in a reel is provided with a tear-off tab 72 glued or welded or coming from a part with element 7, is arranged above a second matrix 8.
  • a male drawing member 9 provided possibly a heating means we proceed to the successive stamping of the part 5 to form a bowl 50 (FIG. 4) and of part 7 while crossing the matrix 8 to form a second bowl 70 (figure 5) and we just place these two superimposed bowls 50, 70 inside the body 3 facing the jaws 4 (figure 6).
  • the dimensions pieces 5 and 7 are chosen so that the lateral surface 51 of the bowl 50 formed by the part 5 is higher than the lateral surface 71 of the bowl 70 formed by part 7. This characteristic facilitates as we will see later the separation between the cover and the protective membrane.
  • the die 4 is provided with a groove 41 and the buffer 91 of a groove 92 intended to prevent the pressure is exerted along these grooves on the surfaces in contact and also prevent the film 31 bottom in this place to avoid possible assembly from bowl 70 to bowl 50. It should be noted that the assembly of the bowl 50 on the internal wall of the body is preferably done along the third superior of its lateral surface to avoid in particular the welding of the two bowls 50 and 70 between them and make pre-cutting easier.
  • the part 7 is provided on its inner surface also wrapped in film sealing plastic which allows during reactivation to obtain an assembly and sealing of better quality between part 70 and the internal surface of the tubular body 3.
  • this precut is also done with certain discontinuities ensuring inviolability of the box and to prevent inadvertent opening of the cover.
  • this grooving can be avoided, the hinge is formed during the opening of the box, for example for the packaging of Figure 1A.
  • Figure 9 we proceed by means of an organ 94 'similar to member 94 when creating a groove 33 on the tubular body 3 intended to act as hinge for the cover.
  • organ 94 similar to member 94 when creating a groove 33 on the tubular body 3 intended to act as hinge for the cover.
  • the hinge is formed during the first opening of the box and grooving is not necessary.
  • the packaging may have a bottom which is assembled to the body by other means.
  • FIG 11 we presented a sectional packaging showing in detail the different elements of the packaging constructed according to the method of the present invention.
  • the tubular body 3 having a rigid body 30, an interior complex 31 with a sealing film, the diaphragm or the protective membrane of the bowl 70 with the tear-off tab 72, welded by its lateral surface 71 on the internal face of the body tubular 3 while the lateral surface 51 of the bowl 50 of rigid material is welded along the part exceeding the lateral surface of the bowl 70 also on the inner surface of the body 3.
  • the part upper body 3 is folded inwards forming a hem 35 constituting after the precut along line 32, the packaging lid.
  • the grooving 33 intended to form the opening hinge here being a packaging hinged.
  • the lower part of the box includes a bowl 50 ', made of rigid material at least similar to that of the bowl 50 and a bowl 70 'forming the diaphragm or membrane of protection similar to bowl 70 except that this bowl 70 'has the same dimensions as the bowl 50 'and are formed simultaneously before introduction in the body.
  • the tongue 13, or 72 when the tongue 13, or 72 is integrated into part 7, its side folded towards the cover is lined with paper to prevent the tab adheres during the welding operation to the cover and that it has a sealing film on a single side. 35 'hem also provides finishing of the packaging. To avoid laying a covering paper, the tongue may be longer and will be folded in on itself to prevent adhesion of the coated side of the film on the cover.
  • the manufacturing process is the same, except that the bowl diaphragm or membrane is perforated and made of a material more rigid.

Claims (13)

  1. Verfahren zur Herstellung einer rohrförmigen Verpackung mit einem rohrförmigen Körper aus steifem Material, mit einem Boden und einem Deckel, die dicht mit dem Körper verbunden sind und aus einem Material bestehen, das mit dem erwähnten steifen Material identisch oder diesem ähnlich ist, und mit einem Diaphragma oder einer Membran aus einem identischen oder ähnlichen Material, das zwischen dem Produkt und dem Deckel befestigt ist, dadurch gekennzeichnet, dass nach Bildung des Körpers die folgenden Schritte ausgeführt werden :
    a) Man formt durch Ziehen eines aus einer Rolle aus steifem Material ausgeschnittenen Teils mittels eines stempelförmigen Formwerkzeugs und einer äusseren Matrize eine erste Schale, welche die Deckelschale bildet,
    b) man formt ein zweites, aus einer Rolle ausgeschnittenes Teil durch Ziehen mittels des Ziehwerkzeugs der Deckelschale und einer zweiten äusseren Matrize, die auf dem Weg des erwähnten Ziehwerkzeugs zwischen der zum Ziehen der Deckelschale verwendeten äusseren Matrize und dem rohrförmigen Körper liegt, wodurch eine zweite Schale gebildet wird, die mit der Unterseite der Deckelschale auf einem Teil der Höhe der Seitenfläche der erwähnten Deckelschale in Berührung steht,
    c) man führt die Gesamtheit der beiden Schalen mittels desselben stempelförmigen Werkzeugs gleichzeitig durch eines der Enden des rohrförmigen Körpers ein, welcher aussen in der Nähe des erwähnten Endes durch Klemmbacken gehalten wird,
    d) man verbindet wenigstens das obere Drittel der Seitenwände der beiden Schalen dicht mit der inneren Seitenwand des Körpers,
    e) die Seitenfläche des rohrförmigen Körpers wird längs einer Umfangslinie vorgeschnitten, die zwischen einer ersten Zone, welche die erste Schale mit der Innenwand des rohrförmigen Körpers verbindet, und einer Zone liegt, welche die zweite, das erwähnte Diaphragma oder die Membran bildende Schale mit der Innenwand des rohrförmigen Körpers verbindet, wodurch das Öffnen des Deckels ohne Zerreissen des Diaphragmas gewährleistet wird, wobei das Vorschneiden entweder längs eines Teils der Umfangslinie erfolgt, wenn es sich um eine Verpackung mit einem durch ein Scharnier angelenkten Deckel handelt, oder längs des gesamten Umfangs, wenn es sich um eine Verpackung mit abnehmbarem Deckel handelt,
    f) man falzt das Ende des rohrförmigen Körpers mittels eines Falzwerkzeugs um, womit die Herstellung des Deckels beendet wird,
    g) nachdem der Körper umgedreht wurde, füllt man ihn mit dem zu verpackenden Produkt,
    h) man verschliesst das zweite Ende des rohrförmigen Körpers.
  2. Verfahren nach Anspruch l, dadurch gekennzeichnet, dass man für eine Verpackung mit einem durch Scharnier angelenkten Deckel den nicht vorgeschnittenen Teil mit einer Nut versieht, um das Schwenken des Deckels zu erleichtern.
  3. Verfahren nach einem der Ansprüche 1 oder 2, dadurch gekennzeichnet, dass man die das Verschliessen des rohrförmigen Körpers gewährleistenden Elemente auf der Innenfläche des Körpers durch Kleben verbindet, indem man vor der Einführung der betreffenden Elemente eine Klebeschnur auf dem Innenumfang des rohrförmigen Körpers anordnet und nach Einführung der erwähnten Elemente den Körper von aussen gegen einen inneren Dorn klemmt und gegebenenfalls erwärmt.
  4. Verfahren nach einem der Ansprüche 1 oder 2, dadurch gekennzeichnet, dass der rohrförmige Körper auf seiner Innenseite mit einem Kunststoff-Dichtungsfilm versehen ist und dass man die das Verschliessen des rohrförmigen Körpers gewährleistenden Elemente dadurch verbindet, dass man den Körper von aussen gegen einen inneren Dorn klemmt und den erwähnten Dichtungsfilm reaktiviert.
  5. Verfahren nach Anspruch 4, dadurch gekennzeichnet, dass das Diaphragma auf seiner im Inneren der Verpakkung liegenden Fläche ebenfalls mit einem Dichtungsfilm versehen ist, dass der Boden der Verpackung ähnlich wie der Deckel ist und dass das am Boden der Verpackung liegende Diaphragma oder die Membran auf beiden Seiten mit einem Kunststoff-Dichtungsfilm versehen ist, was ein Kleben sowohl am Boden als auch an der inneren Seitenfläche des rohrförmigen Körpers erlaubt.
  6. Verfahren nach einem der Ansprüche 4 oder 5, dadurch gekennzeichnet, das die Reaktivierung des Kunststoff-Dichtungsfilms durch Anwendung von Hochfrequenz oder Ultraschall erfolgt.
  7. Verfahren nach einem der Ansprüche 4 oder 5, dadurch gekennzeichnet, dass die Reaktivierung des Kunststoff-Dichtungsfilms durch Wärmeleitung mittels eines Heizelements durch die zu verbindenden Elemente erfolgt.
  8. Verfahren nach einem der Ansprüche 4 bis 7, dadurch gekennzeichnet, dass die Pressung und die Reaktivierung des Kunststoff-Dichtungsfilms längs zweier Umfangszonen erfolgt, die in axialer Richtung des rohrförmigen Körpers bezüglich des Deckelbereichts im Abstand voneinander liegen, um ein Verbinden der oberen Fläche des Diaphragmas mit der Deckelschale zu vermeiden.
  9. Verfahren nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass der Boden geschlossen wird, indem die Schritte a, c, d, g wiederholt werden.
  10. Verpackung, die gemäss dem Verfahren nach einem der Ansprüche 1 bis 9 erhalten wurde, mit einem rohrförmigen Körper (3, 10, 10', 20) aus einem steifen Matewrial (11, 11', 30), einem Boden (50') und einem Deckel (14, 14', 22, 50) in Form von Schalen, die mit dem rohrförmigen Körper (3, 10, 10', 20) dicht verbunden sind und aus einem Material bestehen, das mit dem erwähnten steifen Material (11, 11', 30) identisch oder diesem ähnlich ist, mit einem Diaphragma oder einer Membran in Form einer Schale (12, 12', 70) aus einem mit dem steifen Material identischen oder diesem ähnlichen Material, welche zwischen dem Produkt und dem Deckel (14, 14', 22, 50) befestigt ist, dadurch gekennzeichnet, dass die hochgezogene Wand (51) der den Deckel bildenden Schale (50) höher ist als die hochgezogene Wand (71) der das Diaphragma oder die Membran bildenden Schale (70), so dass nach dem Verbinden der beiden Schalen (50, 70) durch Kleben an die Innenwand des rohrförmigen Körpers (3, 10, 10', 20) die Verbindungszonen der beiden Schalen nicht überlagert sind, damit ein Zerreissen des Diaphragmas oder der Membran beim Öffnen des Deckels vermieden wird, dass die oberen und unteren Ränder des rohrförmigen Körpers (3, 10, 10', 20) mit einer gefalzten Umrandung (35, 35') versehen sind, welche die Steifheit der beiden Aussenränder der Verpackung gewährleistet, und dass der rohrförmige Körper längs wenigstens eines Teils einer zwischen den erwähnten Verbindungszonen liegenden Umfangslinie vorgeschnitten ist.
  11. Verpackung nach Anspruch 10, dadurch gekennzeichnet, dass das steife Material (3, 10, 10', 20) aus Karton besteht und dass das Diaphragma oder die Membran (12, 12', 70) mit Perforationen versehen ist, um das Bestäuben mit dem enthaltenen Produkt zu erlauben.
  12. Verpackung nach Anspruch 10, dadurch gekennzeichnet, dass das steife Material (3, 10, 10', 20) aus Karton besteht und dass es der innere, wenigstens einen Papierbogen aufweisende Komplex ermöglicht, die Dichtheit der Verpackung und die Verträglichkeit mit dem verpackten Produkt zu gewährleisten.
  13. Verpackung nach Anspruch 12, dadurch gekennzeichnet, dass der innere Komplex (31) einen Kunststoff-Dichtungsfilm (31) aufweist, der auf der Innenseite des erwähnten Komplexes angeordnet ist.
EP95810094A 1994-02-22 1995-02-14 Verfahren zur Herstellung einer Schlauchpackung und nach diesem Verfahren hergestellte Packung Expired - Lifetime EP0668151B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9402003A FR2716408B1 (fr) 1994-02-22 1994-02-22 Procédé de fabrication d'emballage tubulaire et emballage obtenu par la mise en Óoeuvre du procédé.
FR9402003 1994-02-22

Publications (2)

Publication Number Publication Date
EP0668151A1 EP0668151A1 (de) 1995-08-23
EP0668151B1 true EP0668151B1 (de) 1999-04-14

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EP95810094A Expired - Lifetime EP0668151B1 (de) 1994-02-22 1995-02-14 Verfahren zur Herstellung einer Schlauchpackung und nach diesem Verfahren hergestellte Packung

Country Status (7)

Country Link
US (1) US5566529A (de)
EP (1) EP0668151B1 (de)
JP (1) JP3340580B2 (de)
AT (1) ATE178836T1 (de)
DE (1) DE69508986T2 (de)
ES (1) ES2132577T3 (de)
FR (1) FR2716408B1 (de)

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WO2013072737A1 (fr) 2011-11-14 2013-05-23 Pakea Boite de conditionnement etanche, notamment pour un produit alimentaire

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USD980056S1 (en) 2020-06-01 2023-03-07 Gpi Systems Ab Fastener for packaging
USD980055S1 (en) 2020-06-01 2023-03-07 Gpi Systems Ab Fastener for packaging
DE102022202764A1 (de) 2022-03-21 2023-09-21 Sig Combibloc Services Ag Flüssigkeitsdichter behälter mit keilförmiger boden- oder kopfnaht
SE2250951A1 (en) * 2022-08-05 2024-02-06 Gpi Systems Ab A packaging container and a method of producing such a packaging container

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FR2523073A1 (fr) * 1982-03-12 1983-09-16 Cazas Ets Dispositif support de recipients a collerette obturables par le scellage d'un couvercle, et machine de conditionnement equipee de tels dispositifs supports
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Cited By (2)

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Publication number Priority date Publication date Assignee Title
WO2013057392A1 (fr) 2011-10-18 2013-04-25 Pakea Sasu Procede de fabrication d'une boîte de conditionnement et boite obtenue selon ce procede
WO2013072737A1 (fr) 2011-11-14 2013-05-23 Pakea Boite de conditionnement etanche, notamment pour un produit alimentaire

Also Published As

Publication number Publication date
EP0668151A1 (de) 1995-08-23
FR2716408A1 (fr) 1995-08-25
DE69508986T2 (de) 1999-10-28
ES2132577T3 (es) 1999-08-16
ATE178836T1 (de) 1999-04-15
FR2716408B1 (fr) 1996-05-15
DE69508986D1 (de) 1999-05-20
US5566529A (en) 1996-10-22
JP3340580B2 (ja) 2002-11-05
JPH07257543A (ja) 1995-10-09

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