EP2354026B1 - Sachet à soufflets latéraux et procédé de fabrication d'un sachet à soufflets latéraux - Google Patents

Sachet à soufflets latéraux et procédé de fabrication d'un sachet à soufflets latéraux Download PDF

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Publication number
EP2354026B1
EP2354026B1 EP10001392A EP10001392A EP2354026B1 EP 2354026 B1 EP2354026 B1 EP 2354026B1 EP 10001392 A EP10001392 A EP 10001392A EP 10001392 A EP10001392 A EP 10001392A EP 2354026 B1 EP2354026 B1 EP 2354026B1
Authority
EP
European Patent Office
Prior art keywords
bag
loops
film
grip loops
grip
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.)
Not-in-force
Application number
EP10001392A
Other languages
German (de)
English (en)
Other versions
EP2354026A1 (fr
Inventor
Jens Kösters
Alfons Kruse
Jochen Brauer
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.)
Mondi Halle GmbH
Original Assignee
Nordenia Deutschland Halle GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nordenia Deutschland Halle GmbH filed Critical Nordenia Deutschland Halle GmbH
Priority to EP10001392A priority Critical patent/EP2354026B1/fr
Priority to ES10001392T priority patent/ES2393915T3/es
Priority to CA2730866A priority patent/CA2730866A1/fr
Priority to US13/023,230 priority patent/US8597168B2/en
Priority to MX2011001524A priority patent/MX2011001524A/es
Publication of EP2354026A1 publication Critical patent/EP2354026A1/fr
Application granted granted Critical
Publication of EP2354026B1 publication Critical patent/EP2354026B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D31/00—Bags or like containers made of paper and having structural provision for thickness of contents
    • B65D31/10—Bags or like containers made of paper and having structural provision for thickness of contents with gusseted sides
    • 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
    • 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
    • B65D33/00—Details of, or accessories for, sacks or bags
    • B65D33/06—Handles
    • B65D33/10—Handles formed of similar material to that used for the bag
    • B65D33/105—U-shaped
    • 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
    • B31B2155/0014—Flexible containers made from webs by folding webs longitudinally having their openings facing transversally to 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
    • B31B2160/00—Shape of flexible containers
    • B31B2160/10—Shape of flexible containers rectangular and flat, i.e. without 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
    • 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
    • B31B70/74—Auxiliary operations
    • B31B70/86—Forming integral handles or mounting separate handles
    • B31B70/864—Mounting separate handles on bags, sheets or webs
    • B31B70/866—Applying handles on a moving web followed by longitudinal folding
    • 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
    • B31B70/86—Forming integral handles or mounting separate handles
    • B31B70/874—Forming integral handles or mounting separate handles involving punching or cutting

Definitions

  • the invention relates to a gusseted bag having the features of the preamble of claim 1.
  • the invention also relates to a method for producing the gusseted bag.
  • the gusseted bag is particularly suitable for packaging bulk goods, such as pelleted pet food, detergent, cat litter, road salt or powdery or granular construction materials. With the help of the carrying handle assembly on the gusset side gusset bag can be easily transported even with a large weight.
  • a gusseted bag with a bag body of two front walls and arranged between the front walls and side edges adjoining the front walls gussets and with a handle assembly on one of the gussets is from the EP 2 039 620 A1 known.
  • the carrying handle assembly is formed by a strip-shaped handle loop on one of the gussets, which is arranged transversely to the longitudinal direction of the associated gusset and this engages over with their ends.
  • the transversely extending handle loop is guided through openings on the front walls in the gusseted bag and secured to the inner surface of the associated gusset.
  • a gusseted bag having two attached to the front walls handle loops. Since the outer surface of the front walls is not heat sealable and beyond a uniform force distribution is sought, are provided at the ends of the handle loops punched, which are covered on the inside of the bag each with a heat sealable foil sheet. The ends of the handle loops are sealed directly to these foil sheets. Unlike the previously described embodiments with a handle assembly on one of the gussets is in the EP 1 712 482 B1 described side gusset bag as a conventional, open carrying bag handled, the handle loops can not be used for easy pouring the recorded packaged goods.
  • a gusseted bag with the features of the preamble of claim 1 is known from EP 2039620A known.
  • the invention has for its object to provide a side gusseted bag with the features described above, which allows comfortable handling even with increased carrying genre and can be made in a simple manner from a web.
  • the invention of the invention and solution of the problem is a gusseted bag according to claim 1.
  • the arrangement of two parallel handle loops on the gusset uniform force distribution and an improved force is achieved in the bag body, so that on the one hand, the two handle loops less in the hand of a wearer cut and on the other hand, the risk of tearing the ends of the handle loops is reduced even with very large loads.
  • the bag is held at four spaced apart points so that the side gusset bag deforms less when worn. Since the handle loops protrude from the bag body, they can be immediately recognized and penetrated by a user.
  • the two handle loops extend parallel to each other in the longitudinal direction. Regardless of the exact course of the handle loops, these are thus guided into the bag body at respectively two locations spaced in the longitudinal direction of the associated side edge, where they are fastened to the inner surface of the bag body, usually one of the front walls and the associated side fold.
  • the grip loops may, for example, have a substantially longitudinally extending central portion, to which the bent, preferably approximately at right angles bent ends connect. It is also conceivable arcuate course of the handle loops between the two longitudinally spaced ends.
  • the fact that the handle loops run in the longitudinal direction results in addition to the improved power distribution, the possibility of tilting the handle loops raise or lower the head of the bag, whereby at a pouring the contents of a dosing can be at least facilitated.
  • a multi-layered design is provided in which the outer surface of the bag body is difficult or impossible to heat seal.
  • a multilayer bag film preferably comprises a heat sealable layer of polyolefin on the inner surface of the bag body.
  • laminated or coextruded films having an outer surface of polyethylene terephthalate (PET) and an inner surface of polyethylene (PE) are suitable. Between the inner layer and the outer layer, further film layers, for example for increasing the stability and / or the barrier effect, can be arranged without restriction.
  • a laminated film it is also possible in particular to use a metallic layer or a metallized plastic layer, for example metallized polyethylene terephthalate.
  • composite materials with an outer layer of oriented polypropylene (O-PP) or with layers of different polyethylene types can be used in the invention, wherein in the latter case, the polymer composition is suitably selected so that at a suitable sealing temperature, only the inner surface melts.
  • O-PP oriented polypropylene
  • monofilms in particular PE monofilms. Bag films which are formed entirely from polyolefins are distinguished, in particular, by good recyclability. While laminated films can have an inner print produced before lamination, coextruded films and monofilms are provided with a print on the outside, which can be covered with a protective paint to increase the abrasion resistance.
  • the layer thicknesses of the heat-sealable layer of polyolefin are typically between 50 and 150 microns. Depending on the material, a significantly smaller layer thickness is sufficient for the film layer which forms the outer surface of the bag body.
  • the thickness of this film layer is usually between 10 and 100 ⁇ m, with materials such as polyethylene terephthalate and oriented polypropylene particularly preferably between 10 and 30 ⁇ m.
  • the ends of the handle loops must be guided into the bag body.
  • the side edges to which the handle loops are attached folding edges, wherein the ends of the handle loops are guided by separations in the bag body.
  • the separations may be in the form of cuts or punches. It is also possible after the formation of the folding edges to generate the separation to remove an outer edge of the fold edge at least in sections.
  • the separations are usually closed by sealing seams, which also fasten the grip loops to the inside of the bag.
  • a separate separation may be provided, the length of which is then preferably slightly larger than the width of the handle loop.
  • sealing seams or sections of a continuous sealed seam serve to ensure a uniform force distribution and a tight closure of the closed side gusset bag and to avoid tearing of the handle loops under heavy loads.
  • longitudinal sealing seams at the ends of the handle loops to produce a larger area connection have a greater width.
  • the grip loops should be heat-sealable on their two surfaces in order to be able to be securely sealed in each case to one of the front walls and the associated gusset.
  • the handle loops must also have a high load capacity, including a sufficient material thickness is provided.
  • the handle loops can also be folded onto itself in the manner of a flattened tube and fixed by heat sealing.
  • stiffer intermediate layers with an increased carrying capacity, for example polyamide or polyethylene terephthalate.
  • the total thickness is typically between 100 and 200 microns.
  • a stand base In order to handle the side gusseted bag easily and also to be able to set up a stand base is preferably formed on a transverse side.
  • the gusseted bag is usually hermetically sealed in the filled state and can then be opened to remove the contents in a head area. If it is intended to enable the extraction of only a subset, for this purpose, a reclosure can be provided.
  • This preferably has interlockable profile strips which can be separated and connected either by direct application of force or by a slider.
  • the re-closure may be arranged on an upper edge of the bag and / or on the side fold opposite the handle arrangement. In the arrangement of a reclosure on the side opposite the handle assembly gusset is also possible to fold out this gusset in the open state of the reclosure in the manner of a chute.
  • the carrying handle assembly according to the invention with two parallel, extending in the longitudinal direction handle loops facilitates accurate dosing of the contents during its removal.
  • the bag body is usually formed by folding and heat sealing the bag film.
  • the invention also relates to a method for producing a gusseted bag, in particular the gusseted bag described above, wherein a bag film is fed, wherein in portions of the bag film each at least two separations parallel to each other in a first direction are formed, wherein two handle loops per section of the bag film fed and inserted with their ends in the separations such that the handle loops extend at least with a central portion parallel to each other along the first direction, wherein from the bag film by folding and heat sealing a film tube extending along the first direction front walls and arranged therebetween side folds wherein the ends of the handle loops are heat-sealed to the surface of the bag film forming the inner surface of the film tube, and after forming the film tube At the side edges between the front walls and provided with the handle loops gussets longitudinal sealing seams are generated, which also fix the ends of the handle loops.
  • the separations are introduced in the form of incisions or punches before forming the film tube in the flat-lying bag film.
  • the handle loops are then arranged on the still flat lying bag film, wherein the ends of the handle loops are introduced into the cuts or punched and at least pre-fixed.
  • the bag film is usually moved cyclically along the first direction, in which case the handle loop with its ends by a suitable gripper or the like laterally inserted into the cuts or punched out.
  • a film tube is formed such that at the separations in the form of incisions or punched side edges are generated, on each of which one of the handle loops is arranged.
  • suitable guides for the handle loops are provided.
  • the handle loops are then used in separations, which were preferably produced only after the formation of the film tube.
  • an outer edge can be at least partially removed in the film tube already formed to produce a separation on two of the side edges.
  • partial sealing seams are formed with at least one interruption, which extend in the first direction over part of the length of the side edge, so that after separation of the outer edge over the entire length of the side edge at the at least one interruption formed a separation in which one end or both ends of one of the grip loops is / are inserted subsequently.
  • the corresponding longitudinal sealing seams can be made thicker there, so that they have a sufficient thickness even after the removal of the outer edge.
  • both gussets have the same width.
  • the gusset, from which the outer edges are separated at the side edges, is then initially formed with a correspondingly increased width.
  • a multiple heat sealing can be performed to ensure a functionally reliable attachment of the handle loops.
  • different heat sealing tools can be used for this purpose.
  • the gusseted bag has a bag body consisting of two front walls 1 and side gussets 3a, 3b arranged between the front walls 1 and adjoining the front walls 1 via side edges 2, 2 '.
  • a carrying handle arrangement with two gripping loops 4 extending parallel to one another in the longitudinal direction of the associated side fold 3a and projecting from the bag body is provided at approximately half the bag height.
  • the handle loops 4 with their ends 5 in the bag body, which is formed by folding and heat sealing of a multilayer bag film, led into it.
  • the bag body on 6 separations, which are closed by heat sealing again.
  • 2 'longitudinal sealing seams 7, 7' are provided, which reinforce the gusseted bag.
  • the longitudinal sealing seams 7 arranged there additionally serve to close the separations 6 and to fasten the ends 5 of the grip loops 4 to the inner surface of the bag body, the ends 5 being fastened both to one of the front walls 1 and to the front side associated side fold 3a are attached.
  • the appearance of the gusseted bag is not affected by the arrangement of the handle loops 4 and the production of heat sealing sutures.
  • the bag film which forms the front walls 1 and the side folds 3a, 3b, has an outer layer which is difficult or impossible to heat seal and which may consist, for example, of polyethylene terephthalate (PET) or oriented polypropylene (O-PP). Accordingly, upon application of a heat seal tool, only the inner surface of the bag body, which preferably consists of a polyolefin such as polyethylene, is melted.
  • the grip loops 4 on the other hand, must be heat-sealable on their two outer surfaces and typically have a thickness of between 100 ⁇ m and 400 ⁇ m.
  • the gusseted bag has on its lower transverse side to a standing floor 8 formed by folding. At the opposite upper edge of a reclosure 9 is provided which has interlockable profile strip. In the described embodiment, a reclosure 9 is shown by way of example, which is actuated by a slider 10.
  • the laterally projecting from the bag body handle loops 4 can be easily accessed, the handle loops 4 can be held on a substantially straight, along the associated side fold 3a extending central portion 11.
  • the ends 5 of the handle loops 4 are bent at a right angle to the central portion 11.
  • the Fig. 2a to 2e show a first embodiment of a method for producing the gusseted bag.
  • a bag film is fed as a flat material web 12, wherein in sections of the material web 12 in the flat state two times two parallel to each other in the feed direction separations 6 are formed in the form of punched out. These separations are produced in a region in which laterally in the bag the side edges 2 run between the front walls 1 and one of the side folds 3a. With respect to this side edge 2, the cutouts are slightly offset in the direction of the side fold 3a, so that the front walls 1 in the finished bag without any impairment.
  • Fig. 2b are used in the separations ends 5 of handle loops 4, wherein the ends connect at a right angle to a central portion 11 of the handle loops 4.
  • the ends 5 are prefixed by heat sealing to the underside of the material web 12, wherein a film tube 13 is subsequently formed by folding and heat sealing the material web 12.
  • the grip loops 4 must be guided in such a way that they do not jam and thus hinder the transport of the material web 12 ( Fig. 2c ).
  • the Fig. 3a to 3f show a variant of the method in which initially a film tube 13 is formed from the supplied material web 12. Then, at the side edges 2 at which grip loops 4 are to be arranged, partial seal seams 7a are formed, which have an interruption 14 (FIG. Fig. 3b ). Subsequently, an outermost edge 15 of the corresponding side edges 2 is cut off ( Fig. 3c ), whereby the previously formed partial sealing seams 7a merely become somewhat narrower. In the interruption 14 but separations 6 are generated, which according to the Fig. 3d can be spread apart with gripper fingers, a suction tool or the like, in order then to be able to introduce the grip loops 4.
  • Fig. 3e shows that according to the embodiment, both ends 5 of each grip loop 4 are inserted into an associated separation 6, wherein the separation 6 is correspondingly slightly longer than the extension of the grip loops 4 in the longitudinal direction.
  • the separations 6 are then closed by longitudinal sealing seams, whereby the ends 5 of the handle loops 4 are attached.
  • a multiple Heat sealing done.
  • the areas directly at the ends 5 of the handle loop 4 on the one hand and the area extending therebetween on the other hand can be sealed separately from one another with different tools.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bag Frames (AREA)
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Claims (16)

  1. Sachet à plis latéraux avec un corps de sachet constitué de deux parois frontales (1) ainsi que de plis latéraux (3a, 3b) disposés entre les parois frontales (1) et se raccordant sur les parois frontales (1) par l'intermédiaire d'arêtes latérales (2, 2') et avec un agencement de poignées de transport sur l'un des plis latéraux (3a, 3b), l'agencement de poignées de transport comprenant des boucles de poignées (4) saillant à partir du corps du sachet, les extrémités (5) des boucles de poignées (4) étant introduites à travers des embrasures (6) dans le corps du sachet, caractérisé en ce qu'il est prévu deux boucles de poignées s'étendant à la parallèle l'une de l'autre en direction longitudinale du pli latéral (3a) associé, qui chacune par ses extrémités (5) est introduite dans le corps du sachet sur l'une des arêtes latérales (2) et qui sont soudées sur la surface interne, ainsi que sur l'arête latérale (2) du corps du sachet et les arêtes latérales (2) sur lesquelles les boucles de poignées (4) sont fixées sont des arêtes de pliage et les embrasures (6) étant fermés par des joints scellés longitudinaux (7, 7') s'étendant le long des arêtes latérales (2).
  2. Sachet à plis latéraux selon la revendication 1, caractérisé en ce que le corps de sachet est formé par des plis et par thermoscellage d'un film bicouches pour sachet.
  3. Sachet à plis latéraux selon la revendication 1 ou 2, caractérisé en ce que les arêtes latérales (2, 2') sont munies de joints scellés longitudinaux (7, 7') qui s'étendent sur toute la longueur des plis latéraux (3a, 3b).
  4. Sachet à plis latéraux selon la revendication 3, caractérisé en ce que sur les extrémités (5) des boucles de poignées (4), les joints scellés longitudinaux (7) présentent un déport s'éloignant de l'arête latérale (2) associée et/ou une largeur plus importante.
  5. Sachet à plis latéraux selon l'une quelconque des revendications 1 à 4, caractérisé en ce que les boucles de poignées (4) sont formées de bandes de film, qui comportent chacune une partie médiane (11) s'étendant en direction longitudinale, sur laquelle les extrémités (5) infléchies se raccordent.
  6. Sachet à plis latéraux selon l'une quelconque des revendications 1 à 5, caractérisé en ce qu'un fond plat (8) est formé sur un côté latéral.
  7. Sachet à plis latéraux selon l'une quelconque des revendications 1 à 6, caractérisé par une fermeture réutilisable (9).
  8. Procédé de fabrication d'un sachet à plis latéraux selon l'une quelconque des revendications 1 à 7,
    un film à sachet étant amené,
    dans des parties du film à sachet, chaque fois au moins deux embrasures (6) s'étendant dans une première direction, à la parallèle les unes des autres étant formées,
    pour chaque partie du film à sachet, deux boucles de poignées (4) étant amenées et insérées par leurs extrémités (5) dans les embrasures (6), de telle sorte que les boucles de poignées (4) s'étendent au moins par une partie médiane à la parallèle l'une de l'autre, le long de la première direction,
    à partir du film à sachet, par pliage et thermoscellage, un film tubulaire (13) avec des parois latérales (1) s'étendant le long de la première direction et des plis latéraux (3a, 3b) intercalés étant formé,
    les extrémités (5) des boucles de poignées (4) étant fixées par thermoscellage sur la surface du film à sachet qui forme la surface intérieure du film tubulaire (13),
    après la formation du film tubulaire (13) sur des arêtes latérales (2) entre les parois frontales (1) et le pli latéral (3a) muni des boucles de poignées (4), des joints scellés longitudinaux (7) étant créés, qui fixent également les extrémités (5) des boucles de poignées (4).
  9. Procédé selon la revendication 8, les embrasures (6) étant formées sous la forme d'incisions ou de découpes avant la réalisation du film tubulaire (13) dans le film à sachet posé à plat.
  10. Procédé selon la revendication 9, les boucles de poignées (4) étant disposées et au moins préalablement fixées avant la réalisation du film tubulaire (13) sur le film à sachet posé à plat.
  11. Procédé selon la revendication 10, le film tubulaire (13) étant réalisé de telle sorte que sur les embrasures (6) sont créées les arêtes latérales (2) sur chacune desquelles est disposée l'une des boucles de poignées (4).
  12. Procédé selon la revendication 8, les boucles de poignées (4) étant amenées après la création du film tubulaire (13) et insérées dans les embrasures (6).
  13. Procédé selon la revendication 12, après la création du film tubulaire (13) et avant la disposition des boucles de poignées (4) sur deux des arêtes latérales (2), un bord extérieur (15) étant au moins en partie retiré, pour créer une embrasure (6).
  14. Procédé selon la revendication 13, avant la création de l'embrasure (6) sur les arêtes latérales (2), des joints scellés partiels (7a) étant formés avec au moins une interruption (14), qui s'étendent dans la première direction sur une partie de la longueur de l'arête latérale (2), de sorte qu'après le sectionnement du bord extérieur (15) sur l'ensemble de la longueur de l'arête latérale (2) une embrasure ouverte (6) soit formée sur l'au moins une interruption (14), suite à quoi, une extrémité (5) ou les deux extrémités (5) est ou sont insérée(s) dans l'embrasure (6) sur l'une des boucles de poignées (4).
  15. Procédé selon l'une quelconque des revendications 8 à 14, les arêtes latérales (2) sur lesquelles les boucles de poignées (4) sont disposées étant thermoscellées plusieurs fois.
  16. Procédé selon la revendication 15, un thermoscellage multiple s'effectuant avec différents outils de thermoscellage.
EP10001392A 2010-02-10 2010-02-10 Sachet à soufflets latéraux et procédé de fabrication d'un sachet à soufflets latéraux Not-in-force EP2354026B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP10001392A EP2354026B1 (fr) 2010-02-10 2010-02-10 Sachet à soufflets latéraux et procédé de fabrication d'un sachet à soufflets latéraux
ES10001392T ES2393915T3 (es) 2010-02-10 2010-02-10 Bolsa de pliegues laterales y procedimiento para la fabricación de una bolsa de pliegues laterales
CA2730866A CA2730866A1 (fr) 2010-02-10 2011-02-07 Sac a soufflets et procede de fabrication
US13/023,230 US8597168B2 (en) 2010-02-10 2011-02-08 Method of making bag with handle on side gusset
MX2011001524A MX2011001524A (es) 2010-02-10 2011-02-09 Bolsa de pliegues laterales y metodo para producir una bolsa de pliegues laterales.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP10001392A EP2354026B1 (fr) 2010-02-10 2010-02-10 Sachet à soufflets latéraux et procédé de fabrication d'un sachet à soufflets latéraux

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EP2354026A1 EP2354026A1 (fr) 2011-08-10
EP2354026B1 true EP2354026B1 (fr) 2012-08-22

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EP10001392A Not-in-force EP2354026B1 (fr) 2010-02-10 2010-02-10 Sachet à soufflets latéraux et procédé de fabrication d'un sachet à soufflets latéraux

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US (1) US8597168B2 (fr)
EP (1) EP2354026B1 (fr)
CA (1) CA2730866A1 (fr)
ES (1) ES2393915T3 (fr)
MX (1) MX2011001524A (fr)

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Also Published As

Publication number Publication date
US20110206300A1 (en) 2011-08-25
US8597168B2 (en) 2013-12-03
EP2354026A1 (fr) 2011-08-10
MX2011001524A (es) 2011-08-31
ES2393915T3 (es) 2013-01-02
CA2730866A1 (fr) 2011-08-10

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