EP4214125B1 - Procede et dispositif de sortie d'une bande de film pour marchandises emballees - Google Patents

Procede et dispositif de sortie d'une bande de film pour marchandises emballees Download PDF

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Publication number
EP4214125B1
EP4214125B1 EP22701533.6A EP22701533A EP4214125B1 EP 4214125 B1 EP4214125 B1 EP 4214125B1 EP 22701533 A EP22701533 A EP 22701533A EP 4214125 B1 EP4214125 B1 EP 4214125B1
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European Patent Office
Prior art keywords
film web
rollers
article
film
gathering
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EP22701533.6A
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German (de)
English (en)
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EP4214125A1 (fr
EP4214125C0 (fr
Inventor
Bernd Lotz
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Individual
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B11/00—Wrapping, e.g. partially or wholly enclosing, articles or quantities of material, in strips, sheets or blanks, of flexible material
    • B65B11/04—Wrapping, e.g. partially or wholly enclosing, articles or quantities of material, in strips, sheets or blanks, of flexible material the articles being rotated
    • B65B11/045—Wrapping, e.g. partially or wholly enclosing, articles or quantities of material, in strips, sheets or blanks, of flexible material the articles being rotated by rotating platforms supporting the articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B11/00—Wrapping, e.g. partially or wholly enclosing, articles or quantities of material, in strips, sheets or blanks, of flexible material
    • B65B11/006—Helical strip wrapping combined with roping
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B11/00—Wrapping, e.g. partially or wholly enclosing, articles or quantities of material, in strips, sheets or blanks, of flexible material
    • B65B11/04—Wrapping, e.g. partially or wholly enclosing, articles or quantities of material, in strips, sheets or blanks, of flexible material the articles being rotated
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B11/00—Wrapping, e.g. partially or wholly enclosing, articles or quantities of material, in strips, sheets or blanks, of flexible material
    • B65B11/58—Applying two or more wrappers, e.g. in succession
    • B65B11/585—Applying two or more wrappers, e.g. in succession to stacked articles, e.g. pallettised loads

Definitions

  • the invention relates to a method for issuing a stretch film web for wrapping goods to be packaged (packaged goods), according to the preamble of claim 1. Furthermore, the invention relates to a corresponding device according to the preamble of claim 9. In particular, in the method or the Device can be provided that the goods to be packaged are arranged on a pallet.
  • the stretch film is a stretchable film made of plastic. It is also known as stretch film.
  • a generic method and a generic device for producing a packaging unit is, for example, in document WO 2012/153285 A1 disclosed.
  • a packaging machine with an output device for a stretch film web and a turntable for receiving a pallet with goods to be packaged is known.
  • the output device and the turntable are connected to each other by a rigid connecting element.
  • a free end of the stretch film web is unrolled from a supply roll and attached to the pallet or the goods.
  • additional film web is unrolled and wrapped around the pallet and the goods from bottom to top by moving a carriage, on which the supply roll with the stretch film web is arranged, vertically from bottom to top along a column becomes.
  • the turntable is stopped and the portion of film used for packaging is separated from the remaining film supply.
  • the packaging unit consists of several items that are put together in layers and have separating joints between them. It is intended to use a sheet of film before wrapping the objects Gather the area of the film web edges into edge strands with increased material concentration. The area between the two edge strands remains untouched.
  • a device for gathering edges has two horizontally aligned rods arranged at a vertical distance from one another. By keeping this distance smaller than the width of the film web, the edge regions of the film web are gathered when the web is passed vertically between the rods. Since the edge strands dig into the outer surface of the layers of the packaged goods due to their increased material concentration, there is a special hold for the packaged goods.
  • the disadvantage of this known technology is that the film web cannot be gathered evenly. It must therefore be ensured, on the one hand, that the edge strands are created at the desired height of the packaged goods through a corresponding variable height adjustment of the two rods and, on the other hand, that the packaged goods do not suffer any damage as a result of the edge strands being buried. This will not be the case with any type of packaged goods.
  • a guide roller that can be pivoted at an angle to the vertical serves as the actual gathering means. Viewed in the direction of movement of the film web, it is located behind two rollers arranged after a film supply roll and has a series of rings which are intended to ensure that wrinkles form in the film and also ensure that the film does not slip together into a strand on the guide roller.
  • the two rollers can be tilted together with the supply roll at a smaller angle to make it easier to attach the film to a lower or upper area of the goods to be packaged.
  • the device is therefore relatively complicated.
  • the invention is based on the object of providing a generic method with which it is possible to gather a film web evenly over its width before wrapping the goods to be packaged. Furthermore, the invention is based on the object of: Generic device to be provided which offers this possibility when used within a packaging machine.
  • the stretch film web to be dispensed is rolled up on a rotatably mounted supply roll.
  • a starting end of the film web is attached to the material or a pallet on which the material is located and then a relative rotational movement is initiated between the material and the film web.
  • this rotational movement can occur in various ways.
  • the wrapping takes place essentially vertically, ie the surface of the goods to be wrapped is aligned vertically.
  • the supply roll is preferably adjustable in height relative to the goods. It can be provided that the wrapping takes place from bottom to top or vice versa.
  • the wrapping is carried out in a spiral shape, and several wraps can also be provided one above the other.
  • the film web or a section of it is gathered after leaving the supply roll and before reaching the goods to be wrapped. This means that the width of the film web is reduced or compressed so that the film curls, i.e. falls into folds, and thus a higher concentration of material is created within the film web.
  • the film web is gathered evenly across its width. In this way, a uniform increase in the material concentration is achieved across the width of the film web compared to the material concentration immediately after unrolling from the supply roll. The higher the material concentration of the film web per centimeter in its width or transverse dimension, the more support the film web creates when wrapping the goods.
  • a strand corresponds to the compression of the film web section transversely or at a right angle to its direction of movement and over its entire width.
  • Such a film strand can be a few centimeters wide, for example, depending on the width Film web, in particular less than 5 cm or less than 3 cm wide.
  • the above-mentioned film web section that is gathered is a running section, i.e. H. Film web material unrolled from the supply roll constantly moves through this section. Spatially, this section lies within an area that is limited by the point where the moving film web leaves the supply roll and the point where the film web reaches the goods to be wrapped. The current section is smaller than the named area.
  • the film web passes between at least two rollers that are arranged in parallel, with an outer surface of the film web running along one of the two rollers and an opposite inner surface of the film web along the other both rollers.
  • the two rollers assume an angle relative to the vertical that is greater than 0 degrees and is a maximum of 90 degrees. In this way it is achieved that the film web no longer runs parallel to the vertical in its entire width - without being compressed immediately when it leaves the supply roll - but instead assumes an angle to the vertical that is greater than 0 degrees, which means an inclination relative to the Vertical means. If the angle is 90 degrees, the film web runs orthogonal to the vertical. In this orientation, the film web hits the goods to be packaged, which essentially have a vertical surface.
  • the inner surface of the film web usually points towards the material, the outer surface away from it, but the reverse would also be possible.
  • the film web is compressed.
  • the compression of the film web begins in the direction of movement behind the second roller, in particular this can be immediately behind the second roller. But a beginning is also possible the compression at a distance behind the second roller.
  • the film web lies against the material, its width is reduced to the vertical according to a projection. In the extreme case of an angle of 90 degrees between the two rollers and the vertical, when the film web comes into contact with the material, a film strand of small width is created.
  • stretch films intended for packaging are very thin.
  • a uniform increase in the material concentration across its width and thus, if necessary, a uniform reinforcement of the film web can be achieved, which is equivalent to the effect of a thicker film web.
  • the width of the film web is of course reduced accordingly, as I said, up to the possibility that it only forms one strand.
  • the wrapping of goods is planned in such a way that the strength of the gathering is varied. This means that, depending on your needs, the height of the goods can be wrapped with foil that is gathered to different degrees and also partially not gathered, which creates different levels of hold for the goods, but of course also uses different amounts of foil material.
  • the effect of the film web giving stability to the material can be adjusted depending on the requirements.
  • rollers are preferably infinitely adjustable in relation to their angle to the vertical. This makes it possible to adjust the material concentration of the film web when the film is in contact with the material as required.
  • the supply roll and the rollers have an unchanged distance from one another and their height can be adjusted together relative to the goods to be packaged. Thanks to the height adjustment, the goods can be wrapped over their entire height.
  • the respective longitudinal axes of the supply roll and the rollers are preferably always kept parallel to one another.
  • the fixed distance between the supply roll and the rollers allows for easy film guidance. If the height adjustment is infinitely possible, the goods can be wrapped optimally. In particular, a variable overlap of foil wrappings on the goods is possible.
  • the rollers are preferably arranged on a carriage which can be moved along a column in order to adjust its height relative to the material.
  • the goods to be packaged can be arranged on a turntable which has a rigid connection to the column.
  • the turntable can be rotated around an axis, which can also be referred to as the packaging axis.
  • the material could also stand still and the output area of the film web could rotate around the material.
  • the latter can be done, for example, by attaching the supply roll or the output area of the stretch film web to an arm of the dispensing device that rotates around the goods, or to a rotating ring that can be moved from top to bottom over the goods in a rotating manner.
  • the surfaces of the rollers are designed in such a way that they adhere to the film web, and the rotational speeds of the at least two rollers are different, so that a section of the film web that is located between the two rollers is stretched .
  • This can be achieved in particular by a roller arranged later in the course of the film web rotating faster than a roller arranged in front of it.
  • the latter roller can also be referred to as a brake roller.
  • the above-mentioned task is solved with regard to the device by the features of claim 9.
  • the procedure can be carried out with the device.
  • the dispensing device has a holder for a stretch film supply roll and also means for gathering the film web.
  • the height of the supply roll is adjustable relative to the goods, and preferably the gathering means are also adjustable in height relative to the goods.
  • the gathering means are designed in such a way that the film web, after it has been attached with a starting end to the goods or adjacent thereto, for example to a pallet, for the purpose of vertically aligned wrapping of the goods, is gathered within a running section of the film web, which is located within the area between the supply roll and the goods to be wrapped.
  • the gathering means are designed in such a way that they gather the film web evenly across its width. This means that the film web is compressed to a smaller width due to the formation of folds. This gathering process is completed when the film web has reached the material within the specified section.
  • the intended intensity of the gathering can vary over the wrapping process; in particular, gathering can only be provided temporarily. According to the invention, a maximum of gathering occurs when the film web section only forms one strand (see above).
  • the gathering means have at least two rollers aligned in parallel, between which the film web passes in such a way that one of the film web surfaces runs over one of the two rollers. It is provided that the alignment of the two rollers can be adjusted so that they are aligned obliquely to the vertical, with a horizontal alignment position also being possible.
  • the device has the same advantages as those previously described in connection with the method. This also applies to the preferred embodiments of the device described below.
  • rollers it is possible to adjust the rollers continuously between a vertical and a horizontal alignment position. This means that the material concentration per unit length in the width of the film web can also be adjusted continuously.
  • the supply roll and the rolls are attached to a roll support, with their three longitudinal axes being at a fixed distance from one another and the roll and the rolls being together in height can be adjusted relative to the goods to be packaged by adjusting the height of the roller carrier.
  • the three longitudinal axes of the supply roll and the rollers are always parallel to one another, which enables simple film guidance.
  • the device is preferably designed so that the height adjustability of the roller carrier is infinitely variable.
  • the gathering means can be arranged on a carriage whose height can be moved along a column relative to the goods to be packaged. This allows very precise and stable movement of the gathering means.
  • the roller carrier can be arranged on a carriage.
  • the rollers are preferably designed so that they can assume an angle of 0 to 90 degrees to the direction of movement of the carriage. It is therefore possible to adjust the intensity of the gathering, namely between no gathering and a maximum gathering.
  • the method according to the invention and the device according to the invention are designed so that a speed of unrolling the film web from the supply roll can be controlled depending on the need for film.
  • This makes it possible to supply a constant amount of film to the goods in a controlled manner based on the area to be wrapped.
  • the good is generally is not circular, but has, for example, a square or rectangular cross-section and when wrapping a corner, more film is required for a constant wrapping due to the maximum radius given there.
  • FIG. 1 A packaging machine 1 is shown, which has an output device 2 according to the invention and a turntable 3.
  • the turntable 3 is firmly connected to the output device 2 by means of a base frame 5.
  • the dispensing device 2 has a column 8 and a roller carrier 9, which can be moved vertically along the column 8 by means of a carriage 12.
  • a stretch film supply roll 14 is arranged on the roller carrier 9.
  • roller carrier 9 When depicted in Fig. 2 the roller carrier 9 is in a basic position. In this basic position there are two rollers 16 and 17 with their Longitudinal axis aligned vertically. From the stretch film supply roll 14, a film web 19 is fed via a deflection roller 20 to the roller 16 and from this to the roller 17 and then in a section 19a to the pallet 7 or the goods 6 (in Fig. 2 not shown).
  • the turntable 3 is arranged on a partial frame (not shown) of the base frame 5 and has two lifting fork recesses 22 and a series of rollers 23 so that it can be rotated about a packaging axis 24 by means of a motor (not shown).
  • Fig. 4 As can be seen, the supply roll 14 with the stretch film is arranged on a spool 27, being held by the force of a spring 28.
  • the roller carrier 9 By means of two gears 30 and 31 and a guide 32 in the carriage 12, the roller carrier 9 can be rotated by a maximum of 90 degrees to the vertical around its center of gravity 29 by means of a motor 33 (see Fig. 1 ) can be pivoted as shown in Fig. 5 is clarified.
  • Fig. 3 the packaging machine 1 is shown with the output device 2 pivoted through 90 degrees.
  • Figs. 2 and 3 Good 6 is not shown.
  • the rollers 16 and 17 each have a servo motor 34 and 35, through which they are driven by means of a respective belt drive 37 and 38, respectively.
  • the rollers 16, 17 are provided with a surface such that the stretch film adheres to them.
  • the rollers 16, 17 are intended to pre-stretch the unrolled stretch film web 19 before it reaches the pallet 7 or the goods 6.
  • the roller 17 is driven at a higher speed than the roller 16, so that the roller 17 can also be referred to as a pre-stretch roller and the roller 16 as a braking roller. Due to the difference in rotation speed and the adhesion of the film to the roll surfaces, the stretch film section between the two rollers 16 and 17 is stretched.
  • the film web 19 unrolled from the supply roll 14 is also parallel with its surfaces after leaving the roller carrier 9 Vertical aligned. This means that the film web 19 will rest against the at least essentially vertically oriented peripheral surface of the good 6 without being compressed. However, if the roller carrier 9 occupies an angle greater than zero degrees with the vertical due to a corresponding pivoting, the film web 19 will have a corresponding angle to the vertical immediately when it leaves the roller 17. When it hits the peripheral surface of the goods 6 to be packaged, the width of the film web 19 will of course again be aligned essentially vertically - like the peripheral surface.
  • the film web section 19a hits the material 6 and is previously gathered in such a way that it only forms a strand 19b of small width or thickness on the material 6.
  • a strand 19b has a very high strength due to its high material density and can therefore form a very large counterforce to the corresponding shear forces of the material 6.
  • the height at which the film web hits the material 6 can be achieved by adjusting the height of the carriage 12 accordingly.
  • the output device 2 has a controller 39 with an input function.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Basic Packing Technique (AREA)

Claims (16)

  1. Procédé de distribution d'une bande de film étirable (19) pour envelopper une marchandise (6) à emballer,
    le film étirable à distribuer étant placé sur un rouleau d'alimentation (14) monté rotatif,
    pour l'enveloppement orienté verticalement de la marchandise (6), une extrémité initiale de la bande de film (19) est fixée à la marchandise (6) ou à une palette (7) sur laquelle celle-ci (6) est disposée, et un mouvement de rotation relatif étant opéré entre la marchandise (6) et la bande de film (19)
    et la bande de film (19) est au moins temporairement placée à l'intérieur d'une section de défilement (19a) qui se situe dans l'espace entre un point de déroulement du rouleau d'alimentation (14) et un endroit où la marchandise (6) à envelopper est atteinte, afin de générer une concentration de matériau accrue de la bande de film (19), de sorte que le film provenant de la section (19a) de défilement de bande de film atteint la marchandise (6) à envelopper avec la concentration de matériau accrue,
    caractérisé en ce que le rassemblement de la bande de film (19) a lieu uniformément sur sa largeur et peut être varié dans son épaisseur, un rassemblement maximal possible consistant en un rassemblement en un boudin (19b),
    en ce que la bande de film (19), après avoir été déroulée du rouleau d'alimentation (14), passe entre au moins deux rouleaux parallèles (16, 17) de telle sorte qu'une surface intérieure de la bande de film (19) soit guidée le long d'un des rouleaux (16) et qu'une surface extérieure opposée de la bande de film (19) soit guidée le long d'un autre des rouleaux (17),
    et en ce que les au moins deux rouleaux (16, 17) sont aptes à être orientés selon un angle supérieur à 0 degré et au maximum de 90 degrés par rapport à la verticale pour rassembler la bande de film (19).
  2. Procédé selon la revendication 1,
    caractérisé en ce que les rouleaux (16, 17) sont aptes à être orientés en continu dans ladite plage angulaire.
  3. Procédé selon la revendication 1 ou 2,
    caractérisé en ce que le rouleau d'alimentation (14) et les rouleaux (16, 17) sont maintenus à une distance fixe l'un de l'autre et sont réglés ensemble en hauteur par rapport à la marchandise (6) à emballer.
  4. Procédé selon la revendication 3,
    caractérisé en ce qu'un axe longitudinal du rouleau d'alimentation (14) et un axe longitudinal respectif des rouleaux (16, 17) restent toujours parallèles l'un à l'autre.
  5. Procédé selon la revendication 3 ou 4,
    caractérisé en ce que le réglage s'effectue en continu.
  6. Procédé selon l'une des revendications 3 à 5,
    caractérisé en ce que les rouleaux (16, 17) sont disposés sur un chariot (12) qui est déplacé verticalement en hauteur par rapport à la marchandise (6) à emballer, le long d'une colonne (8).
  7. Procédé selon la revendication 6,
    caractérisé en ce que le produit à emballer (6) est disposé sur un plateau tournant (8) qui tourne autour d'un axe d'emballage (24) et qui est relié de manière rigide à la colonne (8).
  8. Procédé selon l'une des revendications précédentes,
    caractérisé en ce que les surfaces desdits au moins deux rouleaux (16, 17) adhèrent aux surfaces de la bande de film et en ce que leurs vitesses de rotation sont différentes, de sorte qu'une partie de la bande de film (19) s'étendant entre les deux rouleaux (16, 17) est étirée.
  9. Dispositif (2) prévu pour une machine d'emballage (1), de distribution d'une bande de film étirable (19) pour l'enveloppement orienté verticalement d'une marchandise (6) à emballer, la machine d'emballage présentant des moyens pour un mouvement de rotation relatif entre la marchandise (6) et le dispositif de distribution,
    avec un support (27) pour un rouleau de réserve (14), sur lequel est enroulée la bande de film étirable (19) à distribuer,
    et avec des moyens d'enroulement pour enrouler la bande de film (19), lorsqu'une extrémité initiale de la bande de film (19) est fixée à la marchandise (6) ou à une palette (7) présentant cette marchandise (6) pour un enroulement orienté verticalement, à l'intérieur d'une section de défilement (19a), qui, dans l'espace, se trouve entre un point de déroulement du rouleau d'alimentation (14) et un point d'atteinte de la marchandise à envelopper (6), pour produire au moins temporairement une concentration accrue de matériau de la bande de film (19), de sorte que le film provenant de la section de bande de film en mouvement (19a) atteint le produit à envelopper (6) avec la concentration accrue de matériau,
    caractérisé en ce que les moyens de rassemblement sont conçus de telle sorte qu'ils rassemblent la bande de film (19) uniformément sur sa largeur et permettent une variation du rassemblement dans son épaisseur, un rassemblement maximal en un boudin (19b) étant possible, en ce que les moyens de rassemblement présentent au moins deux rouleaux (16, 17) orientés parallèlement l'un à l'autre, entre lesquels la bande de film (19) passe de telle sorte qu'une surface intérieure de la bande de film (19) soit guidée le long de l'un des rouleaux (16) et qu'une surface extérieure opposée de la bande de film (19) soit guidée le long d'un autre des rouleaux (17), et en ce que les au moins deux rouleaux (16, 17) sont fixés de telle sorte que leur orientation est réglable dans toute la plage comprise entre une position d'orientation verticale et une position d'orientation horizontale.
  10. Dispositif selon la revendication 9,
    caractérisé en ce que l'orientation des rouleaux (16, 17) est réglables en continu.
  11. Dispositif selon la revendication 9 ou 10,
    caractérisé en ce que le rouleau d'alimentation (14) et les rouleaux (16, 17) sont fixés sur un support de rouleaux (9) et en ce que leurs trois axes longitudinaux présentent un écart fixe entre eux, le rouleau d'alimentation (14) et les rouleaux (16, 17) étant réglables ensemble en hauteur par rapport à la marchandise (6) par réglage du support de rouleaux (9).
  12. Dispositif selon la revendication 11,
    caractérisé en ce que les trois axes longitudinaux sont toujours parallèles entre eux.
  13. Dispositif selon la revendication 11 ou 12,
    caractérisé en ce que le réglage est continu.
  14. Dispositif selon l'une des revendications 11 à 13,
    caractérisé en ce que le support de rouleau (9) est disposé sur un chariot (12) qui est mobile verticalement en hauteur par rapport à la marchandise (6), le long d'une colonne (8).
  15. Dispositif selon la revendication 14,
    caractérisé en ce que l'angle du support de rouleaux (9) par rapport à la direction de déplacement vertical du chariot (12) est réglable de telle sorte que les rouleaux (16, 17) forment un angle de 0 à 90 degrés par rapport à la verticale.
  16. Dispositif selon l'une quelconque des revendications 9 à 15,
    caractérisé en ce que les au moins deux rouleaux (16, 17) sont adaptés pour que leurs surfaces adhèrent aux surfaces de la bande de film, et en ce que les vitesses de rotation des rouleaux (16, 17) sont aptes à être réglées à des niveaux différents de telle sorte qu'une partie de la bande de film (19) située entre les deux rouleaux (16, 17) soit étirée.
EP22701533.6A 2021-01-12 2022-01-10 Procede et dispositif de sortie d'une bande de film pour marchandises emballees Active EP4214125B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102021100440.3A DE102021100440A1 (de) 2021-01-12 2021-01-12 Verfahren und Vorrichtung zur Ausgabe einer Folienbahn für Packgut
PCT/EP2022/025005 WO2022152578A1 (fr) 2021-01-12 2022-01-10 Procédé et dispositif de distribution d'une bande de film pour produit emballé

Publications (3)

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EP4214125A1 EP4214125A1 (fr) 2023-07-26
EP4214125B1 true EP4214125B1 (fr) 2024-01-24
EP4214125C0 EP4214125C0 (fr) 2024-01-24

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EP22701533.6A Active EP4214125B1 (fr) 2021-01-12 2022-01-10 Procede et dispositif de sortie d'une bande de film pour marchandises emballees

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EP (1) EP4214125B1 (fr)
DE (1) DE102021100440A1 (fr)
PL (1) PL4214125T3 (fr)
WO (1) WO2022152578A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202022103806U1 (de) * 2022-07-07 2022-11-17 Sina Voss Vorrichtung zur Ausgabe einer Folienbahn für Packgut

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US4387548A (en) 1979-11-21 1983-06-14 Lantech, Inc. Power assisted roller-stretch wrapping process
DE3106845A1 (de) 1980-02-27 1982-01-14 Joseph R. 40223 Louisville Ky. Lancaster "verfahren zum herstellen einer verpackungseinheit aus mehreren gestapelten teilen durch umwickeln mit einer streckfolienbahn"
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FR2572359B1 (fr) 1984-10-25 1987-09-25 Newtec Int Procede et machine pour recouvrir les faces laterales d'une charge avec une bande de film en matiere plastique
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EP4214125A1 (fr) 2023-07-26
PL4214125T3 (pl) 2024-06-10
WO2022152578A8 (fr) 2023-02-23
EP4214125C0 (fr) 2024-01-24
DE102021100440A1 (de) 2022-07-14
WO2022152578A1 (fr) 2022-07-21

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