EP1296876B1 - Verpackung mit einem bandverschlusssystem und verfahren zu dessen herstellung - Google Patents

Verpackung mit einem bandverschlusssystem und verfahren zu dessen herstellung Download PDF

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Publication number
EP1296876B1
EP1296876B1 EP01947549A EP01947549A EP1296876B1 EP 1296876 B1 EP1296876 B1 EP 1296876B1 EP 01947549 A EP01947549 A EP 01947549A EP 01947549 A EP01947549 A EP 01947549A EP 1296876 B1 EP1296876 B1 EP 1296876B1
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EP
European Patent Office
Prior art keywords
films
welds
film
sheets
sheet
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
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EP01947549A
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English (en)
French (fr)
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EP1296876A1 (de
Inventor
Jacques Thomasset
Carine Caudron
Stéphane MATHIEU
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.)
Soplaril SA
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Soplaril SA
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Publication of EP1296876A1 publication Critical patent/EP1296876A1/de
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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
    • B65D31/00—Bags or like containers made of paper and having structural provision for thickness of contents
    • B65D31/14—Valve bags, i.e. with valves for filling
    • B65D31/145—Valve bags, i.e. with valves for filling the filling port being provided in a flat upper sealing-edge
    • 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
    • B31B70/00—Making flexible containers, e.g. envelopes or bags
    • B31B70/60—Uniting opposed surfaces or edges; Taping
    • B31B70/64—Uniting opposed surfaces or edges; Taping by applying heat or pressure
    • 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
    • B31B70/00—Making flexible containers, e.g. envelopes or bags
    • B31B70/74—Auxiliary operations
    • B31B70/81—Forming or attaching accessories, e.g. opening devices, closures or tear strings
    • B31B70/84—Forming or attaching means for filling or dispensing contents, e.g. valves or spouts
    • B31B70/85—Applying patches or flexible valve inserts, e.g. applying film-like valves

Definitions

  • the invention relates to a package according to the preamble of claim 1.
  • the package may be in the form of a bag three welds
  • No. 3,806,025 discloses a bladder bag stuffing hole intended to be filled with non-compressible liquid.
  • This bag comprises two sheets and two strips forming a valve, the strips being positioned one above the other and hermetically welded.
  • EP 300 094 discloses a container comprising flexible walls and a valve. Once the container is filled, the valve closes and remains in the closed position under the pressure of the contents.
  • GB 1 001 873 discloses a borehole stuffing bag made of thermoplastic material. This bag includes two sheets and a non-return valve consisting of two sheets.
  • US 3,282,412 discloses a package containing a product to be mixed with a second product to be added. The container comprises two flexible outer walls and a one-way valve simply allowing a liquid to enter for example.
  • GB-A-826 784 discloses a bag which is obtained by successive folding of a plastic film. This film is folded a first time along a straight line with a central orifice, two V-weld zones are applied, and the film is folded on itself. The three free sides are welded, as well as a part of the fourth side carrying the bellows with the V-welds. The presence of the opening at the bottom of the bellows, as well as the presence of the two V-welds and the partial welding of the side of the opening, would allow proper operation of the valve formed by the central orifice.
  • FR-A-2 711 115 discloses an inflatable bag provided with a valve. This bag is obtained by forming two parallel welds in a folded film on itself, which is then again folded back on itself, in a manner similar to that of GB-A-826 781. In this case, however, the folded film on itself is welded so as to leave the folded edges of the film accessible from the outside.
  • WO-A-95/23742 discloses a complex system obtained by successive folding with intermediate welding steps.
  • the bag obtained is double-walled.
  • the valve system is constituted by an attached film, which is pierced by application of a straw.
  • This film can be aluminum or polymer.
  • a weld hole is cleaned along two parallel lines (between which the straw will be placed). This part is then folded over the sheet which is welded along its ends. Another sheet is then added to form the container. The straw pierces the operculum, but when the straw is removed, the two walls are pressed against each other by the pressure of the fluid
  • JP-A-09-254999 discloses a package according to the preamble of claim 1, a pouch of synthetic resin.
  • the bag consists of two films hermetically sealed laterally. A strip is arranged parallel to a jaw between the two films. The band is partially provided with a non-adhesive part. This adhesive portion serves as a flow opening.
  • FR-A-1436 217 discloses a method of manufacturing a beverage packaging bag. According to this method, it is emptied by means of a torch, a further formed of a sheet of thermoplastic synthetic material. The addition is made from a tube with side pleats taken from a thermoplastic synthetic sheet. The torch is introduced into the case between the side folds applied against each other.
  • the invention makes it possible to remedy the defects of the systems of the prior art.
  • the invention provides a package comprising at least two sheets facing each other and two flexible films arranged between them, each flexible film being welded, respectively, over part of its length at one end of a sheet by a first weld, the flexible films being welded together and to the sheets by second vertical welds, extending substantially over the width of the films, the first welds extending substantially between the second vertical welds, at least one of the two films being folded over each other at the end of the films, opposed to the first welds.
  • the two films are welded together by third vertical welds, the third vertical welds being between the second vertical welds.
  • the two films are folded on themselves at the end of the films opposite to the first welds.
  • the fold formed by the film or films may be unfolded by introducing a straw between the films.
  • the fold formed by the film (s) is not likely to be unfolded by introducing a straw.
  • the package comprises an additional weld between the sheets.
  • the flexible films are PE, EVA, PP, OPP, PET, PA.
  • the leaves are semi-rigid.
  • the sheets and the flexible films have the following characteristics, with H the thickness in mm and E the equivalent module of the film in N.mm -2 :
  • the package is in the form of a three-weld bag.
  • the screen film is made of PTFE or teflon fabric.
  • a bag 1 comprises two sheets 2, 3 facing one another. These sheets are made of conventional material in the art, including plastic such as PET, OPP, PA, etc. These two sheets are particularly semi-rigid, in that they are likely to be deformed to accept dilation of the bag while providing general support to the bag.
  • the thickness of these two sheets is conventional in the art, for example a thickness of between 50 and 1000 ⁇ m , and preferably between 60 and 250 ⁇ m .
  • a flexible film 4 is made of a suitable material, including a plastic material.
  • This film 4 may be especially PE, or EVA, PP, OPP, PET, PA, etc. This film has a thickness between 10 and 500 microns , and preferably between 30 and 100 microns .
  • This film 4 is welded, for part of its length, to one end of the sheet 3 according to the weld 5 (which is represented here by hatching).
  • This film is also welded, on part of its width to the sheet 2, according to two welds 6a and 6b which define the width of the valve. These welds may be parallel or otherwise, perpendicular or not to the weld 5.
  • These welds 5 and 6a and 6b are arranged so that the weld 5 extends substantially between the welds 6a and 6b, which contributes to the seal.
  • the weld 5 extends completely between the welds 6a and 6b.
  • the welds 6a and 6b extend substantially over the width of the film strip 4, or even exceed this width.
  • the film is in the form of a strip having a width of between 5 and 200 mm, and preferably between 10 and 50 mm.
  • the length of the strip (in fact this time the width of the bag) is between 20 and 1500 mm, preferably between 50 and 400 mm.
  • Figures 2a and 2b show the operation of the valve thus formed.
  • the valve is in the open position (for example by introducing a straw).
  • the film 4 is then in contact with the sheet 3.
  • the internal pressures for example by the mere weight of the contents
  • Figure 2b illustrates this case; it is a section along the weld 6b to better indicate the phenomenon.
  • the arrows indicate the thrust operated for example by a fluid in the bag.
  • FIG. 3 represents, in section, and illustrates a manufacturing diagram of the bag of FIG. 1.
  • the manufacture makes use of a film-screen which allows a selective welding of the flexible film 4, either on the sheet 2, or on the 3.
  • the film 4 is welded in the form of a strip on the sheet 3 in a weld 5.
  • a film 7 forming a screen is introduced between the film strip 4 and the sheet 3. then affix the sheet 2 on the previous structure, and place it between two jaws welding machine or solder bars.
  • the jaw 8a is for example at room temperature while the jaw 8b is at a temperature sufficient to weld the film 4 to the sheet 2 according to the welds 6a and 6b.
  • both jaws are at the soldering temperature, depending on the film and rate.
  • the welding temperature can be between 130 and 250 ° C, depending on the material to be welded.
  • the screen film 7 is removed.
  • the closure system shown in FIG. 1 is thus obtained.
  • This screen film 7 is made of a material that is substantially insensitive to heat and does not adhere to the film at all. the welding temperature. It may be for example PTFE, or other material, such as teflon fabric.
  • the closure system shown in Figure 1 can be adapted to lower cost on existing bags. These pouches are the classic sachets, such as "Doypack", 3-weld bag, etc. Reference may be made, for example to the application FR 9 811 622, to US Pat. No. 3,380,646 and to the certificate of addition to patent FR-A-1 327 875.
  • the closure system may be placed at center or on one side of the bag, according to convenience. In most cases, a straw or other similar instrument will be provided with the bag. This straw, inserted between the sheets 2 and 3, is guided to the system described, spreads the sheets 2 and 3 at the weld 5, and is positioned naturally between the welds 6a and 6b. When the straw is removed, the walls formed on the one hand of the film 4 and on the other hand of the sheet 2, are pressed one on the other. This gives a seal.
  • This system may also comprise, as film 4 (or possibly as sheet 2), a film repositionable.
  • films are known and comprise a support film 4a, an adhesive layer 4b and a sealing layer 4c.
  • the welding layer is welded, along a bead, on the sheet 2 facing it (or on a sealing layer affixed to said sheet 2).
  • the band corresponding to the welded portion is secured to the sheet 2, which discovers the adhesive. Then, after the straw has been removed, apply pressure to completely close the system.
  • Such repositionable films are described for example in WO-A-9719867.
  • Such films are known and, unlike the previous films, do not comprise a permanent adhesive layer, but an intermediate layer 4d. These films ensure, as before, the integrity of the bag before straw boring, but they are not repositionable.
  • This weld 6c may be performed at the same time as the welds 6a and 6b, or later, according to the conventional techniques indicated in the documents of the prior art referred to above.
  • the pouch with the type I opening system fills in a conventional manner, as illustrated in Figures 4a and 4b (the closure system being on one side of the bag).
  • the weld 5 extends, as shown, over the entire length of the sheet 3 (but there could be solder 5 only on the part between the welds 6a and 6b).
  • the film 4 is welded to the sheet 2 only at the welds 6a and 6b, there is therefore a space between the film 4 and the sheet 2 on the area between the weld 6a and the rest of the bag. So we have a filling area represented by the arrow.
  • the weld 9 which extends from the weld 6a to the end of the bag, as shown in Figure 4b. This solder weld together the sheets 2 and 3 and the film 4.
  • FIGs 5a and 5b show, in section, the package according to the invention.
  • the film 4 is replaced by two films 10a and 10b.
  • Each film 10a and 10b is welded to the sheets 2 and 3, respectively, according to welds 11a and 11b (equivalent to the weld 5 according to the type I package).
  • the film 10a is not folded, while it is folded in Figure 5b.
  • These two new types are called type IIa and type IIb, respectively.
  • FIG. 6 shows a closed view of these second packages. Note the presence of two vertical welds 12a and 12b, which weld together the two sheets 2 and 3 and the films 10a and 10b. These welds 12a and 12b may be parallel or not, perpendicular or not to the welds 11a and 11ab. These welds 11a and 11b extend substantially between the welds 12a and 12b; preferably, the welds 11a and 11b extend completely between the welds 12a and 12b. The welds 12a and 12b extend substantially over the width of the film strips 10a and 10b, or even exceed this width. The valve defined by the welds 12a and 12b is then substantially sealed.
  • FIG. 6a shows a view in the closed state of a variant of these packages (in which the welds 11a and 11b have not been shown, and in which all the films and sheets have been represented). Note the presence of two vertical welds 12'a and 12'b, which weld together the films 10a and 10b, in their unfolded position. These welds 12'a and 12'b are between the welds 12a and 12b, which they weld together the sheets 2 and 3, and the films 10a and 10b, this time in the folded position.
  • This variant makes it easier to open by increasing the locking width of the fold; this gives a greater flexibility on the height of the fold.
  • the welds 11a and 11b likewise extend here completely between the welds 12a and 12b.
  • the position of the welds 12'a and 12'b relative to the welds 12a and 12b can vary widely. In general, the spacing between these welds 12'a and 12'b will represent between 5 and 50%, preferably between 10 and 35%, of the spacing between the welds 12a and 12b.
  • the valve defined by the welds 12'a and 12'b is here also substantially sealed.
  • FIGS. 7a and 7b show the closed valve, a fold of the film 10b covering the film 10a and sealing.
  • the introduction for example of a straw between the sheets 2 and 3 causes the separation of the films 10a and 10b and the opening of the valve as shown in FIG. 7b is obtained.
  • Straw or any other equivalent device such as a plug or funnel
  • the bag is empty. It is then filled, then the straw is removed, which closes the bag.
  • This system is particularly suitable when the (s) fold (s) of (the) film (s) 10a and 10b extend over a large part of the width (taking into account the spacing of the welds). In this case, it is difficult for the user to discard the films 10a and 10b from the fold; the delivery of the empty bag-in the open position-with the straw (or any other device) makes it a "trash” or scrap pouch that is very tight once the straw is removed.
  • This last variant is particularly suitable for hazardous products such as: cooking oil, waste oil, solvents, residues and industrial sludge.
  • a reversible or irreversible operation is obtained.
  • reversible operation with opening / closing cycles, there is a spacing between the welds 12a (respectively 12'a) and 12b (respectively 12'b) large in front of the height of the fold.
  • irreversible operation the bag being delivered open, with only the possible closure, one has a spacing between the welds 12a (respectively 12'a) and 12b (respectively 12'b) small before the height of the fold.
  • the choice of the respective dimensions is within the reach of the skilled person.
  • the characteristics of the films are substantially the same as for the type I.
  • the (s) fold (s) represents (s), in% of the spacing of the welds 12a (respectively 12'a) and 12b (respectively 12'b), between 5% and 50%. If opening with a straw is desired, the fold (es) generally represent 5 to 25%. If it is desired that the opening can not be done, the (s) fold (s) represent (s) in general, from 25 to 50%.
  • FIGS. 8a and 8b illustrate the process for preparing the type IIa or IIb sachets (Type IIa, first variant) has been chosen here.
  • FIG. 8a shows sheets 2 and 3, films 10a and 10b, and a screen film 7 of the same type as that used for the manufacture of the type I bag. Welding strips 13a and 13b heated. at the soldering temperature are applied to obtain the welds 11a and 11b. The screen film 7 is removed, and then, as shown in FIG. 8b, vertical welding strips 14a and 41b heated to the soldering temperature of the sheets 2 and 3 and films 10a and 10b are applied to obtain the welds 12a and 12b. Any other welding device of the bar / counterpart type is also usable.
  • the method further comprises the step 12'a welds and 12'b.
  • the step 12'a welds and 12'b it is possible to separate the sheets 2 and 3 of the films 10a and 10b to proceed with the welding. We can also fold the sheets 2 and 3 on themselves, to completely release the films 10a and 10b which is then very easy to weld them.
  • Figures 9a and 9b show the filling area.
  • the closure system is shown on one side of the bag.
  • the welds 11a and 11b on the one hand, and 12a and 12b on the other hand, are already affixed.
  • Figure 9a there is shown the free space between the film 10a and the sheet 2, which allows the filling schematically by the arrow.
  • the solder 15 is welded which extends from the weld 12a to the edge of the bag, as shown in Figure 9b. This solder weld together the sheets 2 and 3 and the films 10a and 10b.
  • Figure 10 shows a type IIa / IIb package.
  • the sheets 2 and 3 are furthermore welded along an additional line 27, affixed to an extension of the sheets 2 and 3.
  • a weakening line or a simple marking 28 may be affixed under the weld 27 in order to incite the user to cut the bag according to this marking. The additional welding ensures a total seal.
  • the packaging by its variants IIa / IIb thus offers many advantages, by the combination of two sheets 2 and 3 semi-rigid forming the body of the bag and two flexible films 10a, 10b.
  • the characteristics of the sheets and films are identical to that of the type I package and the description given with reference to FIG. 1 applies mutatis mutandis. The same applies to the other characteristics (width, length, conditions of use). , soldering conditions, etc.) when not specifically specified in an example of packaging.
  • the bag also has the advantage of being flat (before filling), which facilitates handling, decreases the packaging volumes of the bags.
  • the bag has an overall thickness generally less than 2 mm, preferably less than 500 ⁇ m .
  • the bags are suitable in all technical fields, including food, chemistry, detergents, cosmetics; for small liquids, powders, granules or solids (eg candies). As mentioned above, the bag may be for single use as a "bin”.
  • the sheets and films may comprise conventional additives, and consist of several layers, as is known in the art.
  • the films or sheets may comprise several layers, one of which is weldable.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bag Frames (AREA)
  • Making Paper Articles (AREA)
  • Packages (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Package Closures (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)
  • Cartons (AREA)

Claims (12)

  1. Verpackung umfassend mindestens zwei einander zugewandte erste Folien (2, 3) und zwei zwischen diesen angeordnete biegsame zweite Folien (10a, 10b), dadurch gekennzeichnet, dass jede biegsame zweite Folie (10a, 10b) jeweils über einen Abschnitt ihrer Länge mit einem Ende einer ersten Folie (2, 3) durch eine erste Schweißnaht (11a, 11b) verschweißt ist, wobei die biegsamen zweiten Folien (10a, 10b) miteinander und mit den ersten Folien (2, 3) durch vertikale zweite Schweißnähte (12a, 12b), welche sich im Wesentlichen über die Breite der zweiten Folien (10a, 10b) erstrecken, verschweißt sind, wobei sich die ersten Schweißnähte (11a, 11b) im Wesentlichen zwischen den vertikalen zweiten Schweißnähten (12a, 12b) erstrecken, und dass zumindest eine der zwei zweiten Folien um die andere an dem den ersten Schweißnähten (11a, 11b) gegenüberliegenden Ende der zweiten Folien zurückgebogen ist.
  2. Verpackung nach Anspruch 1, wobei die zwei zweiten Folien miteinander durch vertikale dritte Schweißnähte (12'a, 12'b) miteinander verschweißt sind, wobei die vertikalen dritten Schweißnähte (12'a, 12'b) zwischen den vertikalen zweiten Schweißnähten (12a, 12b) enthalten sind.
  3. Verpackung nach einem der Ansprüche 1 oder 2, wobei die zwei zweiten Folien an dem den ersten Schweißnähten (11a, 11b) gegenüberliegenden Ende der zweiten Folien auf sich selbst zurückgebogen sind.
  4. Verpackung nach einem der Ansprüche 1-3, bei welcher die durch die zweite(n) Folie(n) gebildete Zurückbiegung geeignet ist, durch Einführung eines Trinkhalms zwischen die zweiten Folien (10a, 10b) aufgebogen zu werden.
  5. Verpackung nach einem der Ansprüche 1-3, bei welcher die durch die zweiten(n) Folie(n) gebildete Zurückbiegung nicht geeignet ist, durch Einführung eines Trinkhalms aufgebogen zu werden.
  6. Verpackung nach einem der Ansprüche 1-5, umfassend eine ergänzende Schweißnaht (15) zwischen den zweiten Folien (2, 3) .
  7. Verpackung nach einem der Ansprüche 1-6, bei welcher die biegsamen zweiten Folien aus PE, EVA, PP, OPP, PET, PA sind.
  8. Verpackung nach einem der Ansprüche 1-7, bei welcher die ersten Folien (2, 3) halbsteif sind.
  9. Verpackung nach einem der Ansprüche 1-8, bei welcher die ersten Folien (2, 3) und die biegsamen zweiten Folien (10a, 10b) die folgenden Eigenschaften aufweisen, wobei H die Dicke in mm und E der Äquivalentmodul der Folie in N·mm-2 ist: erste Folie (2, 3): H3E=0,1 bis 50 N·mm zweite Folie (10a, 10b): H3E=0,5·10-3 bis 5 N·mm, bevorzugt: erste Folie (2, 3): H3E= 0,5 bis 25 N·mm, zweite Folie (10a, 10b): H3E=0, 05 bis 1 N·mm,
    wobei in beiden Fällen die Beziehung gilt:
    H3E zweite Folie (10a, 10b) < H3E erste Folie (2, 3).
  10. Verpackung nach einem der Ansprüche 1-9 in Form eines dreinahtigen Beutels.
  11. Verfahren zur Herstellung einer Verpackung nach einem der Ansprüche 1-10, umfassend die folgenden Schritte:
    - Einsetzen einer Folienabschirmung (7) zwischen zwei biegsame zweite Folien (10a, 10b), wobei mindestens eine der zwei zweiten Folien um die andere an einem Ende der zweiten Folien zurückgebogen wird,
    - Verschweißen der biegsamen zweiten Folien (10a, 10b) an zwei einander zugewandten ersten Folien (2, 3), wobei jede biegsame zweite Folie (10a, 10b) jeweils mit einem Abschnitt ihrer Länge an ein Ende einer ersten Folie (2, 3) mit einer ersten Schweißnaht (11a, 11b) geschweißt wird, wobei eine der zwei zweiten Folien an den den ersten Schweißnähten gegenüberliegenden Enden der zweiten Folien um die andere zurückgebogen ist,
    - Herausziehen der Folienabschirmung (7),
    - gegebenenfalls Schweißen der zweiten Folien (10a, 10b) miteinander gemäß dritten vertikalen Schweißnähten (12'a, 12'b), welche zwischen vertikalen zweiten Schweißnähten (12a, 12b) enthalten sind, und
    - Verschweißen der zweiten Folien (10a, 10b) und der ersten Folien (2, 3) miteinander gemäß vertikalen zweiten Schweißnähten (12a, 12b), welche sich im Wesentlichen über die Breite der zweiten Folien (10a, 10b) erstrecken, wobei sich die ersten Schweißnähte (11a, 11b) im Wesentlichen zwischen den vertikalen zweiten Schweißnähten (12a, 12b) erstrecken.
  12. Verfahren nach Anspruch 11, wobei die Folienabschirmung (7) aus PTFE oder aus teflonisiertem Tuch ist.
EP01947549A 2000-06-22 2001-06-20 Verpackung mit einem bandverschlusssystem und verfahren zu dessen herstellung Expired - Lifetime EP1296876B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR0008041 2000-06-22
FR0008041A FR2810640B1 (fr) 2000-06-22 2000-06-22 Emballage avec systeme de fermeture par bande, procede pour sa fabrication
PCT/FR2001/001935 WO2001098159A1 (fr) 2000-06-22 2001-06-20 Emballage avec systeme de fermeture par bande, procede pour sa fabrication

Publications (2)

Publication Number Publication Date
EP1296876A1 EP1296876A1 (de) 2003-04-02
EP1296876B1 true EP1296876B1 (de) 2006-03-22

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EP01947549A Expired - Lifetime EP1296876B1 (de) 2000-06-22 2001-06-20 Verpackung mit einem bandverschlusssystem und verfahren zu dessen herstellung

Country Status (10)

Country Link
US (2) US20040022459A1 (de)
EP (1) EP1296876B1 (de)
JP (1) JP2003535778A (de)
AT (1) ATE320974T1 (de)
DE (1) DE60118192T2 (de)
DK (1) DK1296876T3 (de)
ES (1) ES2264446T3 (de)
FR (1) FR2810640B1 (de)
PT (1) PT1296876E (de)
WO (1) WO2001098159A1 (de)

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US6729473B2 (en) * 2002-06-20 2004-05-04 Cti Industries Corporation Air-evacuable bag with double-layered valve film and method for manufacturing same
US9085405B2 (en) 2008-10-22 2015-07-21 Sealed Air Corporation (Us) Inflatable structure for packaging and associated apparatus and methods
US9004758B2 (en) * 2008-10-22 2015-04-14 Sealed Air Corporation (Us) Inflatable structure for packaging and associated apparatus and method
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Publication number Publication date
FR2810640A1 (fr) 2001-12-28
ATE320974T1 (de) 2006-04-15
DE60118192D1 (de) 2006-05-11
DE60118192T2 (de) 2007-03-08
US20040022459A1 (en) 2004-02-05
WO2001098159A1 (fr) 2001-12-27
US20080124007A1 (en) 2008-05-29
ES2264446T3 (es) 2007-01-01
PT1296876E (pt) 2006-08-31
DK1296876T3 (da) 2006-07-31
FR2810640B1 (fr) 2003-05-30
JP2003535778A (ja) 2003-12-02
EP1296876A1 (de) 2003-04-02

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