WO2014071975A1 - Procédé de fabrication d'un sac pliable destiné à contenir une boîte pour produits alimentaires, fleurs, et similaires - Google Patents

Procédé de fabrication d'un sac pliable destiné à contenir une boîte pour produits alimentaires, fleurs, et similaires Download PDF

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Publication number
WO2014071975A1
WO2014071975A1 PCT/EP2012/072104 EP2012072104W WO2014071975A1 WO 2014071975 A1 WO2014071975 A1 WO 2014071975A1 EP 2012072104 W EP2012072104 W EP 2012072104W WO 2014071975 A1 WO2014071975 A1 WO 2014071975A1
Authority
WO
WIPO (PCT)
Prior art keywords
tubular
tubular structure
manufacturing
band
bag
Prior art date
Application number
PCT/EP2012/072104
Other languages
English (en)
Inventor
Gerhard Wolff
Matteo PRETTI
Original Assignee
Smart Cargo System Ltd.
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 Smart Cargo System Ltd. filed Critical Smart Cargo System Ltd.
Priority to PCT/EP2012/072104 priority Critical patent/WO2014071975A1/fr
Publication of WO2014071975A1 publication Critical patent/WO2014071975A1/fr

Links

Classifications

    • 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
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • 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
    • B31B70/26—Folding sheets, blanks or webs
    • B31B70/262—Folding sheets, blanks or webs involving longitudinally folding, i.e. along a line parallel to the direction of movement
    • B31B70/266—Folding sheets, blanks or webs involving longitudinally folding, i.e. along a line parallel to the direction of movement involving gusset-forming
    • 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
    • B31B2155/00—Flexible containers made from webs
    • 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
    • B31B2155/00—Flexible containers made from webs
    • B31B2155/001—Flexible containers made from webs by folding webs longitudinally
    • B31B2155/0012—Flexible containers made from webs by folding webs longitudinally having their openings facing in the direction of movement
    • 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
    • B31B2155/00—Flexible containers made from webs
    • B31B2155/003—Flexible containers made from webs starting from tubular webs
    • 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
    • B31B2160/00—Shape of flexible containers
    • B31B2160/20—Shape of flexible containers with structural provision for thickness of contents
    • 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
    • B31B70/14—Cutting, e.g. perforating, punching, slitting or trimming
    • 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
    • B31B70/26—Folding sheets, blanks or webs
    • B31B70/36—Folding sheets, blanks or webs by continuously feeding them to stationary members, e.g. plates, ploughs or cores
    • 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
    • B31B70/92—Delivering
    • B31B70/94—Delivering singly or in succession
    • B31B70/946—Delivering singly or in succession the bags being interconnected

Definitions

  • the present invention concerns a manufacturing method for realizing afoldable bag for a containing box for packaging ofproducts, especially food products, and particularly fresh, frozen, semi-processed and processed alimentary food products, and the like, and flowers.
  • the manufacturing method according to the present invention is directed to obtain the foldable bag of the containing box of the type described in the patent application n. PCT/EP2011/061751 in the name of the same applicant. PRIOR ART
  • containers for the storage, and/or display, and/or shipping of food products such as vegetables, fruits, meat, fish, seafood, agricultural products, including flowers, and similar.
  • the conventional containers already known on the market belong substantially to three main categories: containers made of cardboard, containers made of corrugated boards mainly of polypropylene or PVC, and containers made of injected plastic, whether foldable or solid.
  • the containers made of cardboard can adsorb humidity and transfer such humidity to the products.
  • the cardboard can also adsorb tastes and smells from the products and, therefore, it is not possible to reuse the same container several times.
  • a) has to be treated with fungicide
  • the priority application describes a containing boxfor the storage and/or shipping of products, in particular for food products such as meat, agricultural products like fruits and/or vegetables including flowers, which is very lightweight, durable, stackable, washable, odourless, airy, with a perfect visibility of the content and able to provide a great level of protection during transportation and/or storage of the contained products.
  • PCT/EP2011/061751 The containing box developed by the same applicant and claimed by the international application n. PCT/EP2011/061751 has been conceived as the perfectly hygienic, ecological and economic substitute for the present packaging systems based on corrugated carton boxes and trays as well as traditional plastic crates.
  • the present invention therefore concerns a continuous bag production method.
  • the present invention concerns a manufacturing method for preparing the foldable bag of a containing box comprising a foldable bag, of the type disclosed in the international application PCT/EP2011/061751.
  • the manufacturing method according to the present invention wants to reach and assure the aims of making packaging and logistics smarter, easier and more efficient by its cleaner, greener and cheaper approach. In this way it will finally help to drastically cut down the worldwide deforestation and spilling of the nature by dangerous chemicals used by the paper industry on one hand and on the other by reducing the need of virgin plastic material employing essentially already recycled plastic material to manufacture the containing box.
  • the manufacturing method according to the present invention is based essentially on extrusion or weaving manufacturing of a seamless plastic film or net tube with three or four different structural tube parts or rings necessary to realize reliable and high quality bags for the containing box system.
  • Such tube should possibly be made of weldable plastic material or in the case of most of the plastic net realized by the insertion of weldable material (film strip or other).
  • the following production proposal consists in several different steps, preferably five steps, hereafter explained to be carried out by a single production line.
  • FIG. 1 shows a prospective view of the container according to the present invention in an assembled condition
  • - figure 2 shows a prospective view of a detail of the frame of the container according to the present invention in a partially disassembled configuration
  • - figure 3 shows other parts of the frame of the container (legs) according to the present invention in a disassembled configuration
  • - figure 4 shows a front view of a detail of the frame of figure 2 partially assembled with the parts of figure 3;
  • figure 5 shows a side view of the detail of figure 4.
  • FIG. 6 shows two containers according to the present invention one stacked on the other
  • FIG. 13 discloses a schematic top view of the tubular film or net structure corresponding to one bag, according to the manufacturing method of the present invention
  • FIG. 14 discloses a schematic half cross section of the foldable bag obtained with the manufacturing method according to the present invention
  • figure 15A discloses again the schematic top view of figure 13;
  • FIG. 15B discloses a schematic perspective view of a cylindrical support structure used during the manufacturing method of the present invention to support the tubular structure during the initial steps of the folding process;
  • FIG. 18 a schematic representation of the apparatus for performing the manufacturing method according to the present invention.
  • acontaining box 100 has been developed which comprises a rigid frame, indicated with the reference number 10, and a bag indicated with 20.
  • the containing box 100 comprises an assemblage rigid frame structure 10 which comprises a main structure 11 with a closed profile to which a plurality of leg elements 12 are removably connected.
  • the main structure 11 is in the shape of a closed planar structure, preferably a quadrangular structure such as a square or rectangular structure, and the leg elements 12 are in number of four, one for each corner of said structure 11.
  • the main structure 11 comprises two parallel long sides 11a, 11b and two parallel short sides 11c, 11d, thus forming a rectangular structure.
  • the rigid frame structure 10 of the containing box 100 is therefore constituted by a rigid main structure 11 and by a plurality of foot elements 12 to be assembled to the said main structure 11 before the use.
  • theframe structure 10 is made of a rigid frame11 and four Iegs12, where said four legs and the frame are produced by two separate injection operations.
  • the height of the legs depends on the needs and use and are automatically inserted into the frame by a simple machine at the end-users facilities (packaging houses etc.) together with the foldable bag 20.
  • the containing box further comprises a foldable bag 20.
  • the foldable bag 20 is made of a single sheet of plastic mesh or film of similar recyclable materials, the sheet being folded according to the manufacturing method here disclosed and claimed.
  • the bag 20 resulting from the manufacturing process according to the present invention is closed in the four corners of the polygonal structure 11 of the frame 10, and it wraps completely said polygonal structure 11 thus ensuring in this way the perfect lodging of the contained goods no matter if they are loaded manually or by automated loading machinery.
  • the foldable bag 20 is therefore a non-rigid and suspended component.
  • any kind of loaded products can be securely contained in the container and protected against bumps and blows.
  • the bag is manufactured according to the various models of the frame 10.
  • the bag is closed in the four corners of the frame, and it wraps it completely ensuring in this way the perfect lodging of the contained goods no matter if they are loaded manually or by automated loading machinery.
  • the bag, the non-rigid and suspended component of the containing box, contains securely any kind of loaded products protecting it perfectly against bumps and blows.
  • the present invention therefore concerns the manufacturing method for realizing the bag 20starting from a tubular structure made of plastic mesh or film.
  • a first manufacturing method for realizing the bag 20 is shown in figures 7 to 12.
  • figure 7 shown the sheet, the dashed lines indicating the folding lines.
  • the foldable bag 20 is formed.
  • FIG. 7 shown the sheet, the dashed lines indicating the folding lines.
  • sealing elements 22, such as sealing films, can be provided in order to close the folded ends of the bag 20.
  • further sealing plastic films 23a, 23b, 23c, 23d can be provided on the upper edge of the four sides of the bag 20, as shown in figure 10, thus forming a substantially foldable structure 24 adapted to be connected to said frame 10.
  • the foldable structure 24 has a substantially box-like shape, protruding toward the outside with respect to the upper edges of the bag 20 so that it can be positioned on said man structure 11 of the frame 10.
  • the box-like shaped foldable structure 24 is advantageously provided with fixing corner holes 25, one hole at each corner.
  • Each one of said holes is adapted to receive the upper end of one corner of said polygonal main structure 11 , thus fixing in a stable and suspended position the foldable bag 20 with respect to the frame 10.
  • the foldable bag 20 is directly connected to the frame
  • the foldable bag 20 is preferably made of plastic, a material that does not absorb or transmit liquid, humidity, odours or germs of any kind. It is a one-way packaging system, but it may also be employed as a multi-use packaging depending on the needs of the client.
  • Tear off ring is the zone where the single bags can be separated by pulling it off at the moment of mounting mechanically the containing box by automated machinery or manually.
  • the tear off ring can be realized either by pre-perforation or pre-cut of the film or net structure just at the limit of the previous ring. This allows on one hand the endless continuation of the bag band and on the other one the easy separation or tearing off of each single bag at the moment of mounting the containment box.
  • the width of this ring is just a perforated or pre-cut line.
  • Reinforced or strengthened ring is a zone of the tube structure obtained by double folding of the endless tube.
  • the double folding is obtained by a first folding, backward, a stretch of said tubular structure, preferably having a length of 200 mm, and then folding, forward, a stretch of said tubular structure having a length which is the half of the previous length, referable having a length of 100 mm, thus creating a triple layer belt of 100 mm.
  • the step consisting of folding the tubular plastic structure first backwards by a 200 mm and then forwards by a 100 mm in order to create the above mentioned reinforced or strengthened ringof the bag it is possible to realize it by a lateral insertion of an up to 100 mm wide transparent plastic film strip to be securely sealed to the tubular structure, especially at the points where the four angular carrier holes will be realized during a subsequent production step.
  • the thickness of such plastic strip can be chosen in function of the type and specific weight of the product to be contained guaranteeing in this way the absolute conformity of carrier strength regarding the product to be loaded under all kinds of storage and/or transport conditions. This possibility is illustrated in Figure 20.
  • the reinforced or strengthened ring either realized by backwards and forwards folding of the tubular structure or by the lateral insertion of a plastic film to be fixed by heat sealingwill at the moment of mounting the box embrace the outside of the frame or rigid containment box structure, the upper part of the frame as well as partially the inside of it, the situation is disclosed in figure 14, and its four angle pins which will enter the four carrier angle holes to be created in a step of the manufacturing method.
  • the so obtained three layers of film or net have then to be welded or sealed completely or partially in order to create the carrier ring.
  • the three layers obtained by the double folding have to be completed by the insertion or injection of an additional material, e.g. filmstrip or other, and then welded or sealed together to get a permanent carrier ring.
  • the width of this bag ring supporting the weight of the product to be loaded in containing box should preferably be of 100 mm.
  • This reinforced ring is not necessary when some materials are used for tubular structure. For example, when plastic materials such as Pluriball or Bubblewrap are used, there is no need to create such reinforced-triple layered-zone.
  • Film or net tubular structure a tubular structure made of plastic film or net,or made of a layer of pluriball or bubblewrapis the semi-finished product from which the manufacturing method according to the present invention starts, in order to create the foldable bag.
  • the length of this tubular structure has to be 250 mm, 120 mm for the bag side walls and 130 mm for the bag bottom, as will be more clear by the following description of the method steps.
  • the total volume capacity of the bag is preferably at least 15 litres once mounted to be loaded.
  • Termination or closing ring in the case of film tube structurally like ring 3 to be sealed once the lateral infolds and the flattening of the film tube, which will be described in the following detailed description of the manufacturing method according to the present invention, have been applied. This seal will become the middle line of the bag.
  • the width of this ring is approximately of 10 mm.
  • the endless production of the foldable bag 20 by one single production line starts from a polypropylene or polyethylene film or net tubular structure300 that will be rolled up on a cylinder at the end of the production line.
  • This tubular structure300 is therefore provided in rolls as semi-finished product.
  • Such bag roll is wrapped in transparent plastic film in order to avoid the contamination with dangerous substances or elements.
  • This procedure allows to avoid complicated packaging necessary for individual finished bag manufacturing processes and the semi-finished product consisting of the bag roll of tubular structure300 can be easily mounted on the manufacturing apparatus suitable to perform the method of the present invention.
  • the manufacturing of the bag according to the method of the present invention is realized by passing through several steps performing mechanical operations in an aligned and simple work stations sequence.
  • each bag results to have a perfectly standardized shape.
  • a double folding is carried out by means of first folding means 700creating the bag carrier belt or reinforced ring400, including the sealing of said ring.
  • FIG 15A is a top view of the unrolled tubular structure300
  • figure15B which represents a scheme of the tubular structure 300 positioned on said cylindrical support structure 800, wherein the carrier belt or reinforced ring400 has been created by means of two folding operations by means of first folding means 700: the free end of the tubular structure is folded two times.
  • the double folding is obtained by a first folding, backward, of a stretch of said tubular structure, preferably having a length of 200 mm, and then by a second folding, forward, of a stretch of said tubular structure having a length which is the half of the previous length, referable having a length of 100 mm, thus creating a triple layer belt of 100 mm.
  • the tubular film or net300then slips off the cylindrical support structure800and enters second folding means500comprising four longitudinal elements provided at the vertex of a quadrangle so that the cross- section of the tubular structure 300 assumes a quadrangular shape, as shown in figure 16B.
  • the second folding means 500 are suitable to deform the cylindrical tubular structure 300 in a tubular structurehaving a rectangular cross-section, and then are suitable to apply on both the lateral sides of the rectangular tubular structure a symmetrical infold lateral force indicated withF in figure 16B, preferably realizing a 150 mm symmetrical infold, until the tube is completely flattened to a film or net tubular band as shown in figure 16C, having preferably a width of 400 mm.
  • This flattening operation is completed by passing the tubular band inside flattening means 600, e.g. between two parallel metallic cylinders, the upper one lying freely on the fixed lower one exercising in this way by its weight an "ironing" pressure on the passing though tubular film or net band.
  • the step is illustrated in Figure 16D. By heating the upper roll, the ironing effect could be increased.
  • the flattened film or net tubular band300 which still maintains a closed cross sectional perimeter, then passes through a punching unit 900 where four main corner carrier holes are provided by punching mechanically, by means of punching means 950, a half-moon 960 with a diameter of 25 mm on the external lateral edge of the flattened film or net band, as shown by Figure 3.
  • the external lateral edges of the flattened film or net band can be locally burnt in order to pierce the plastic material. It has been found that local burning is preferred in case of pluriball or bubblewrap.
  • the central point of the half-moon hole has to be placed on both edges of the external lateral edges, preferably at a distance of 72 mm from the upper horizontal edge of the flattened tubular band.
  • this further central hole has its central point at 72 mm from the upper horizontal hedge of the carrier ring, secondary carrier holes for additional bag holding pins in the middle of the top of the long side frame bares are created.
  • the tubular film or net 300 passes through a sealing unit lOOOwhere the bottom of the bag is sealed by sealing means 1050,in the example by a 3 mm seal.
  • sealing means 1050 in the example by a 3 mm seal.
  • an additional injection or insertion of another material e.g. a film strip or other materials, is made before in order to obtain a resistant sealing of the bag bottom.
  • the sealing means 1050 realize a transversal sealing line on the continuous tubular band.
  • the so obtained endless band is guided through a pre-cut unit 1100 where a pre-cut or perforation of the bag band is performed by pre-cut means 1150 along the upper edge of the carrier ring of the bag allowing an easy manual or mechanical tearing off of each bag from the bag roll.
  • the pre-cut is realized close to said sealing line andupstream to said sealing with respect to the forwarding direction of the tubular structure 300, the forwarding direction of the tubular structure being indicated, for example, by the arrow of figure 18.
  • the manufacturing method can additionally comprise a further step consisting of perforating the flattened tubular band 300 by means ofperforation means 1200 which can create a plurality of holes on the lateral faces of the bag in order to let air to circulate inside the bag once it is assembled on the frame 11 and in use.
  • the endless bag manufacturing process is then completed by the automatic rolling up of the bag band on a cylinder, the wrapping of it in plastic film and the final labelling for shipping it to its final destination.
  • One bag roll will contains several foldable bags, e.g. at least 1.000 bags.
  • the above presented endless or continuous bag manufacturing method will allow mass production of the bag 20 of the containing box 100.
  • the foldable bag 20 can be realized starting from a single sheet of different materials or different structures: made of net or mesh, micro-perforated plastic film, classic plastic film or transparent plastic, and similar structures, whatever provides the most ideal conditions for the transport or storage of products.
  • the concept ensures maximum ventilation and excellent protection of the products contained and allows the application of all kind of cooling and freezing in a very reduced time.
  • the containing box according to present invention is resistant to high and low temperatures in the range of +45°C to -25°C.
  • the container can also be washed with its content without any difficulty (from the field to the end-user). This was not possible, for example, with the containers made of cardboard known in the art.
  • each containing box is perfectly visible and can so easily be controlled.
  • the visual impact is particularly striking and any type of containing box can be personalized according to customer's marketing needs etc, by placing logos, images or marks, for example, on the external surfaces of said box-like shaped foldablestructure. It has therefore been shown that the manufacturing method for realizing a foldable bag of a containing boxaccording to the present invention achieves the purpose and the objects proposed.
  • the manufacturing method according to the present invention reaches the aims of making packaging and logistics smarter, easier and more efficient by its cleaner, greener and cheaper approach.
  • the production line of the bag or flexible structure will be integrated completely in the automatized assembling machine combining in this way all components of the absolutely innovative packaging system described in the patent application n. PTC/EP2011/061751 , i.e. frame, feet, bag and the personalized marketing strip.
  • Said automatized assembling machine will be installed directly at the packaging plants providing at high speed the completed containers or boxes over a conveyor belt to the various product loading stations.

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  • Making Paper Articles (AREA)
  • Bag Frames (AREA)

Abstract

L'invention concerne un procédé de fabrication pour réaliser un sac pliable (20), comprenant le déplacement d'une structure tubulaire continue semi-finie (300) constituée de matière plastique dans une direction d'avance; son passage sur une structure de support cylindrique (800) ayant le même diamètre que la structure tubulaire de sorte qu'elle prend une coupe transversale circulaire; son glissement hors de la structure de support cylindrique et l'entrée dans un moyen de pliage (500) comprenant quatre éléments longitudinaux ménagés au niveau des sommets d'un quadrilatère de sorte que la coupe transversale de la structure tubulaire prend une forme de quadrilatère; l'application sur l'un et l'autre des côtés latéraux de la coupe transversale rectangulaire d'une force latérale de rabattement pour produire une bande tubulaire plate; l'achèvement de l'aplatissement de la bande tubulaire à l'aide d'un moyen d'aplatissement (600); le scellage transversal de ladite bande tubulaire à l'aide d'un moyen de scellage (1050); la réalisation d'une découpe préalable près et en amont dudit scellage par rapport à ladite direction d'avance. L'invention concerne un appareil et un sac correspondants.
PCT/EP2012/072104 2012-11-08 2012-11-08 Procédé de fabrication d'un sac pliable destiné à contenir une boîte pour produits alimentaires, fleurs, et similaires WO2014071975A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/EP2012/072104 WO2014071975A1 (fr) 2012-11-08 2012-11-08 Procédé de fabrication d'un sac pliable destiné à contenir une boîte pour produits alimentaires, fleurs, et similaires

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2012/072104 WO2014071975A1 (fr) 2012-11-08 2012-11-08 Procédé de fabrication d'un sac pliable destiné à contenir une boîte pour produits alimentaires, fleurs, et similaires

Publications (1)

Publication Number Publication Date
WO2014071975A1 true WO2014071975A1 (fr) 2014-05-15

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Application Number Title Priority Date Filing Date
PCT/EP2012/072104 WO2014071975A1 (fr) 2012-11-08 2012-11-08 Procédé de fabrication d'un sac pliable destiné à contenir une boîte pour produits alimentaires, fleurs, et similaires

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1144096B (de) * 1960-05-18 1963-02-21 Anger Wolfgang Vorrichtung zum Bilden von Falten in insbesondere nahtlosen Schlauchbahnen
US6393804B1 (en) * 2000-08-14 2002-05-28 Illinois Tool Works Inc. Method of forming open mouth zipper gusset bag
US20020160896A1 (en) * 2001-04-27 2002-10-31 Yeh Ron C. Roll mounted t-shirt style produce bag method for making and dispenser for same
US20050227845A1 (en) * 2002-06-19 2005-10-13 Mars Incorporated Method of manufacturing thin-walled containers from film webs and production facility for carrying out the method

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1144096B (de) * 1960-05-18 1963-02-21 Anger Wolfgang Vorrichtung zum Bilden von Falten in insbesondere nahtlosen Schlauchbahnen
US6393804B1 (en) * 2000-08-14 2002-05-28 Illinois Tool Works Inc. Method of forming open mouth zipper gusset bag
US20020160896A1 (en) * 2001-04-27 2002-10-31 Yeh Ron C. Roll mounted t-shirt style produce bag method for making and dispenser for same
US20050227845A1 (en) * 2002-06-19 2005-10-13 Mars Incorporated Method of manufacturing thin-walled containers from film webs and production facility for carrying out the method

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