EP2354026B1 - Bag with gusseted sides and method for producing same - Google Patents
Bag with gusseted sides and method for producing same Download PDFInfo
- 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
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- 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
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- 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
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- 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
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- 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
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- 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
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- 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
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- 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
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- 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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Description
Die Erfindung betrifft einen Seitenfaltenbeutel mit den Merkmalen des Oberbegriffs des Patentanspruches 1. Gegenstand der Erfindung ist auch ein Verfahren zur Herstellung des Seitenfaltenbeutels.The invention relates to a gusseted bag having the features of the preamble of
Der Seitenfaltenbeutel ist insbesondere zum Verpacken von schüttfähigen Gütern, wie beispielsweise pelletierte Tiernahrung, Waschmittel, Katzenstreu, Streusalz oder auch pulvrige oder körnige Baumaterialien geeignet. Mit Hilfe der Tragegriffanordnung an der Seitenfalte kann der Seitenfaltenbeutel auch bei einem großen Gewicht leicht transportiert werden.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.
Ein Seitenfaltenbeutel mit einem Beutelkörper aus zwei Frontwänden sowie zwischen den Frontwänden angeordneten und über Seitenkanten an die Frontwände anschließenden Seitenfalten und mit einer Tragegriffanordnung an einer der Seitenfalten ist aus der
Aus der
Aus der
Ein Seitenfaltenbeutel mit den Merkmalen des Oberbegriffs des Patentanspruchs 1 ist aus der
Der Erfindung liegt die Aufgabe zugrunde, einen Seitenfaltenbeutel mit den eingangs beschriebenen Merkmalen anzugeben, der eine komfortable Handhabung auch bei erhöhtem Traggenricht ermöglicht und auf einfache Weise aus einer Materialbahn gefertigt werden kann.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.
Gegenstand der Erfindung und Lösung der Aufgabe ist ein Seitenfaltenbeutel gemäß Patentanspruch 1. Durch die Anordnung von zwei parallelen Griffschlaufen an der Seitenfalte werden eine gleichmäßige Kraftverteilung und eine verbesserte Krafteinleitung in den Beutelkörper erreicht, so dass einerseits die beiden Griffschlaufen weniger stark in die Hand eines Trägers einschneiden und andererseits auch bei sehr großen Traglasten die Gefahr des Ausreißens der Enden der Griffschlaufen reduziert ist. Erfindungsgemäß ist der Beutel an vier voneinander beabstandeten Punkten gehalten, so dass der Seitenfaltenbeutel sich bei einem Tragen weniger stark verformt. Da die Griffschlaufen vom Beutelkörper abstehen, können diese unmittelbar von einem Benutzer erkannt und durchgriffen werden.The invention of the invention and solution of the problem is a gusseted bag according to
Erfindungsgemäß erstrecken sich die beiden Griffschlaufen parallel zueinander in Längsrichtung. Unabhängig von dem genauen Verlauf der Griffschlaufen sind diese damit an jeweils zwei in Längsrichtung der zugeordneten Seitenkante beabstandeten Stellen in den Beutelkörper hineingeführt und dort an der Innenfläche des Beutelkörpers, üblicherweise einer der Frontwände und der zugeordneten Seitenfalte, befestigt. Die Griffschlaufen können beispielsweise einen im Wesentlichen in Längsrichtung verlaufenden Mittelabschnitt aufweisen, an den die umgeknickten, vorzugsweise in etwa rechtwinklig umgeknickten Enden anschließen. Denkbar ist aber auch ein bogenförmiger Verlauf der Griffschlaufen zwischen den beiden in Längsrichtung beabstandeten Enden. Dadurch, dass die Griffschlaufen in Längsrichtung verlaufen ergibt sich zusätzlich zu der verbesserten Kraftverteilung die Möglichkeit durch ein Verkippen der Griffschlaufen den Kopf des Beutels anzuheben oder abzusenken, wodurch bei einem Ausschütten des Füllgutes ein Dosiervorgang zumindest erleichtert werden kann.According to the invention, 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.
Da die Enden der Griffschlaufen in den Beutelkörper hineingeführt sind, ist das äußere Erscheinungsbild des Seitenfaltenbeutels nicht beeinträchtigt. Insbesondere ist bei üblichen Beutelfolien eine mehrschichtige Ausgestaltung vorgesehen, bei denen die Außenfläche des Beutelkörpers nicht oder nur schwer heißsiegelbar ist. Eine solche mehrschichtige Beutelfolie weist bevorzugt eine heißsiegelbare Schicht aus Polyolefin an der Innenfläche des Beutelkörpers auf. Geeignet sind beispielsweise kaschierte oder coextrudierte Folien mit einer Außenfläche aus Polyethylenterephthalat (PET) und einer Innenfläche aus Polyethylen (PE). Zwischen der Innenschicht und der Außenschicht können ohne Einschränkung weitere Folienschichten, beispielsweise zur Erhöhung der Stabilität und/oder der Barrierewirkung, angeordnet sein. Bei einer kaschierten Folie kann insbesondere auch eine metallische Schicht oder eine metallisierte Kunststoffschicht, beispielsweise metallisiertes Polyethylenterephthalat eingesetzt werden. Auch Verbundmaterialien mit einer äußeren Schicht aus orientiertem Polypropylen (O-PP) oder mit Schichten aus unterschiedlichen Polyethylen-Typen können im Rahmen der Erfindung eingesetzt werden, wobei in zuletzt genanntem Fall die Polymerzusammensetzung zweckmäßigerweise so ausgewählt ist, dass bei einer geeigneten Siegeltemperatur nur die Innenfläche aufschmilzt. Neben coextrudierten oder mehrschichtig kaschierten PE-Folien können grundsätzlich auch heißsiegelbare Monofolien, insbesondere PE-Monofolien eingesetzt werden. Beutelfolien, die vollständig aus Polyolefinen gebildet sind, zeichnen sich insbesondere durch eine gute Recyclebarkeit aus. Während kaschierte Folien eine vor der Kaschierung erzeugte, innenliegende Bedruckung aufweisen können, werden coextrudierte Folien und Monofolien mit einem Aufdruck an der Außenseite versehen, der zur Erhöhung der Abriebfestigkeit mit einem Schutzlack abgedeckt werden kann.Since the ends of the handle loops are inserted into the bag body, the appearance of the side gusseted bag is not impaired. In particular, in conventional bag films, a multi-layered design is provided in which the outer surface of the bag body is difficult or impossible to heat seal. Such a multilayer bag film preferably comprises a heat sealable layer of polyolefin on the inner surface of the bag body. For example, 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. In the case of a laminated film, it is also possible in particular to use a metallic layer or a metallized plastic layer, for example metallized polyethylene terephthalate. Also 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. In addition to coextruded or multilayer laminated PE films, it is also possible in principle to use heat-sealable 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.
Die Schichtdicken der heißsiegelbaren Schicht aus Polyolefin liegen typischer weise zwischen 50 und 150 µm. Je nach Material ist für die Folienschicht, welche die Außenfläche des Beutelkörpers bildet, eine deutlich geringere Schichtdicke ausreichend. Üblicherweise beträgt die Dicke dieser Folienschicht zwischen 10 und 100 µm, bei Materialien wie Polyethylenterephthalat und orientiertem Polypropylen besonders bevorzugt zwischen 10 und 30 µm.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 μm, with materials such as polyethylene terephthalate and oriented polypropylene particularly preferably between 10 and 30 μm.
Um den erfindungsgemäßen Seitenfaltenbeutel fertigen zu können, müssen die Enden der Griffschlaufen in den Beutelkörper hineingeführt werden. Erfindungsgemäß sind die Seitenkanten, an denen die Griffschlaufen befestigt sind, Faltkanten, wobei die Enden der Griffschlaufen durch Auftrennungen in den Beutelkörper hineingeführt sind. Die Auftrennungen können in Form von Einschnitten oder Ausstanzungen gebildet sein. Möglich ist des Weiteren nach der Bildung der Faltkanten zur Erzeugung der Auftrennung einen äußeren Rand der Faltkante zumindest abschnittsweise zu entfernen. Bei dem fertigen Seitenfaltenbeutel sind die Auftrennungen üblicherweise durch Siegelnähte verschlossen, welche auch die Griffschlaufen an der Beutelinnenseite befestigen. Für jedes Ende der Griffschlaufen kann eine separate Auftrennung vorgesehen sein, deren Länge dann bevorzugt etwas größer ist als die Breite der Griffschlaufe. Möglich ist aber auch eine einzige Auftrennung für jede der Griffschlaufen, wobei dann der Bereich zwischen den in Längsrichtung beabstandeten Enden der beiden Griffschlaufen durch Längssiegelnähte verschlossen ist. Zweckmäßigerweise sind die Seitenkanten mit Längssiegelnähten versehen, die sich über die gesamte Länge der Seitenfalten erstrecken. Solche Längssiegelnähte dienen dann unabhängig von der Einbindung der Griffschlaufen an einer der Seitenfalten auch dazu dem Beutelkörper eine stabile Struktur zu verleihen.In order to be able to manufacture the gusseted bag according to the invention, the ends of the handle loops must be guided into the bag body. According to the invention, 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. In the finished gusseted bag, the separations are usually closed by sealing seams, which also fasten the grip loops to the inside of the bag. For each end of the handle loops, a separate separation may be provided, the length of which is then preferably slightly larger than the width of the handle loop. But it is also possible a single separation for each of the handle loops, in which case the area between the longitudinally spaced ends of the two handle loops is closed by longitudinal sealing seams. Conveniently, the side edges are provided with longitudinal sealing seams which extend over the entire length of the gussets. Such longitudinal sealing seams are then used regardless of the involvement of the handle loops on one of the gussets also to give the bag body a stable structure.
An den Enden der Griffschlaufen dienen die dort vorgesehenen Siegelnähte bzw. Abschnitte einer durchgehenden Siegelnaht dazu, eine gleichmäßige Kraftverteilung sowie einen dichten Verschluss des geschlossenen Seitenfaltenbeutels zu gewährleisten und auch unter großen Belastungen ein Ausreißen der Griffschlaufen zu vermeiden. Um erhöhten mechanischen Anforderungen gerecht werden zu können, kann es in diesem Zusammenhang vorgesehen sein, dass die Längssiegelnähte an den Enden der Griffschlaufen zur Erzeugung einer großflächigeren Verbindung eine größere Breite aufweisen.At the ends of the handle loops there provided 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. In order to meet increased mechanical requirements, it may be provided in this context that the longitudinal sealing seams at the ends of the handle loops to produce a larger area connection have a greater width.
Die Griffschlaufen sollen an ihren beiden Flächen heißsiegelbar sein, um jeweils an einer der Frontwände und der zugeordneten Seitenfalte sicher festgesiegelt werden zu können. Die Griffschlaufen müssen zusätzlich eine hohe Tragkraft aufweisen, wozu eine ausreichende Materialstärke vorzusehen ist. Insbesondere können die Griffschlaufen auch nach Art eines flachgelegten Schlauches auf sich selbst gefaltet und durch Heißsiegeln fixiert sein. Neben ein- oder mehrschichtigen Folien aus Polyethylen mit einer typischen Dicke zwischen 100 und 400 µm besteht auch die Möglichkeit steifere Zwischenschichten mit einer erhöhten Tragkraft, beispielsweise Polyamid oder Polyethylenterephthalat vorzusehen. Bei einer dreischichtigen Ausgestaltung mit Außenschichten aus Polyethylen und einer Zwischenschicht aus Polyamid oder Polyethylenterephthalat beträgt die Gesamtdicke typischerweise zwischen 100 und 200 µm.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. In particular, the handle loops can also be folded onto itself in the manner of a flattened tube and fixed by heat sealing. In addition to single or multilayer films of polyethylene with a typical thickness between 100 and 400 .mu.m, it is also possible to provide stiffer intermediate layers with an increased carrying capacity, for example polyamide or polyethylene terephthalate. In a three-layered embodiment with outer layers of polyethylene and an intermediate layer of polyamide or polyethylene terephthalate, the total thickness is typically between 100 and 200 microns.
Um den Seitenfaltenbeutel leicht handhaben und auch aufstellen zu können, ist bevorzugt an einer Querseite ein Standboden gebildet.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.
Der Seitenfaltenbeutel ist im gefüllten Zustand üblicherweise luftdicht verschlossen und kann dann zur Entnahme des Füllgutes in einem Kopfbereich geöffnet werden. Wenn die Entnahme lediglich einer Teilmenge ermöglicht werden soll, kann hierzu ein Wiederverschluss vorgesehen sein. Dieser weist bevorzugt miteinander verrastbare Profilstreifen auf, die entweder durch direkte Kraftbeaufschlagung oder durch einen Schieber getrennt und verbunden werden können. Der Wiederverschluss kann an einem oberen Beutelrand und/oder an der der Griffanordnung gegenüberliegenden Seitenfalte angeordnet sein. Bei der Anordnung eines Wiederverschlusses an der der Tragegriffanordnung gegenüberliegenden Seitenfalte besteht auch die Möglichkeit, diese Seitenfalte im geöffneten Zustand des Wiederverschlusses nach Art einer Schütte herauszuklappen. Unabhängig von der genauen Ausgestaltung des Wiederverschlusses erleichtert die erfindungsgemäße Tragegriffanordnung mit zwei parallelen, in Längsrichtung verlaufenden Griffschlaufen ein genaues Dosieren des Füllgutes bei seiner Entnahme.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. Regardless of the exact configuration of the reclosure, 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.
Der Beutelkörper ist üblicherweise durch Falten und Heißsiegeln der Beutelfolie gebildet.The bag body is usually formed by folding and heat sealing the bag film.
Gegenstand der Erfindung ist auch ein Verfahren zur Herstellung eines Seitenfaltenbeutel, insbesondere des zuvor beschriebenen Seitenfaltenbeutels, wobei eine Beutelfolie zugeführt wird, wobei in Abschnitte der Beutelfolie jeweils zumindest zwei parallel zueinander in einer ersten Richtung verlaufende Auftrennungen gebildet werden, wobei pro Abschnitt der Beutelfolie zwei Griffschlaufen zugeführt und mit ihren Enden in die Auftrennungen derart eingelegt werden, dass die Griffschlaufen sich zumindest mit einem mittleren Abschnitt parallel zueinander entlang der ersten Richtung erstrecken, wobei aus der Beutelfolie durch Falten und Heißsiegeln ein Folienschlauch mit entlang der ersten Richtung verlaufenden Frontwänden und dazwischen angeordneten Seitenfalten gebildet wird, wobei die Enden der Griffschlaufen an der Fläche der Beutelfolie, welche die Innenfläche des Folienschlauches bildet, durch Heißsiegeln befestigt werden und wobei nach dem Bilden des Folienschlauches an den Seitenkanten zwischen den Frontwänden und der mit den Griffschlaufen versehenen Seitenfalten Längssiegelnähte erzeugt werden, welche auch die Enden der Griffschlaufen fixieren. Für die weitere Ausgestaltung des Verfahrens sowie die Reihenfolge der einzelnen Schritte ergeben sich unterschiedliche Möglichkeiten.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. For the further embodiment of the method and the order of the individual steps, different possibilities arise.
Gemäß einer ersten Ausgestaltung werden die Auftrennungen in Form von Einschnitten oder Ausstanzungen vor dem Bilden des Folienschlauches in die flachliegende Beutelfolie eingebracht. Nachfolgend werden dann die Griffschlaufen an der noch flachliegenden Beutelfolie angeordnet, wobei die Enden der Griffschlaufen in die Einschnitte bzw. Ausstanzungen eingebracht und zumindest vorfixiert werden. Die Beutelfolie wird üblicherweise taktweise entlang der ersten Richtung bewegt, wobei dann die Griffschlaufe mit ihren Enden von einem geeigneten Greifer oder dergleichen seitlich in die Einschnitte bzw. Ausstanzungen eingeschoben werden. Um die Enden einfädeln zu können, kann vorgesehen sein, diese leicht schrägt auf die Beutelfolie aufzulegen und/oder die an sich flachliegende Beutelfolie mit einem Greifer oder einer Saugvorrichtung an einer Seite der Einschnitte bzw. Ausstanzungen leicht anzuheben.According to a first embodiment, the separations are introduced in the form of incisions or punches before forming the film tube in the flat-lying bag film. Subsequently, 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. In order to be able to thread the ends, provision may be made for them to be placed slightly obliquely on the bag film and / or to slightly lift the bag film which is lying flat with a gripper or a suction device on one side of the cuts or punches.
Nach der Anordnung der Griffschlaufen an der flachliegenden Beutelfolie wird ein Folienschlauch derart gebildet, dass an den Auftrennungen in Form von Einschnitten bzw. Ausstanzungen Seitenkanten erzeugt werden, an denen jeweils eine der Griffschlaufen angeordnet ist. Um die seitlich abstehenden Griffschlaufen bei der Schlauchfaltung kontrolliert zu handhaben, sind geeignete Führungen für die Griffschlaufen vorzusehen.After the arrangement of the handle loops on the flat-lying bag film, 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. In order to handle the laterally projecting handle loops controlled in the tube folding, suitable guides for the handle loops are provided.
Nach der Bildung des Folienschlauches werden Längssiegelnähte an den Seitenkanten erzeugt, welche dem Seitenfaltenbeutel eine erhöhte Stabilität verleihen. Zusätzlich sollen die Enden der Griffschlaufe mit einer ausreichenden Festigkeit und luftdicht an dem Beutelkörper befestigt werden. Um dies zu erreichen, kann ein Heißsiegeln mit unterschiedlichen Werkzeugen, die jeweils verschiedene Bereiche einer Seitenkante abdecken, vorgesehen sein.After the formation of the film tube longitudinal sealing seams are generated at the side edges, which the side gusset bag increased stability to lend. In addition, the ends of the grip loop should be secured to the bag body with sufficient strength and airtight. To accomplish this, heat sealing may be provided with different tools each covering different areas of a side edge.
Aus dem mit den Griffschlaufen versehenen Folienschlauch werden schließlich einzelne Beutelrohlinge abgetrennt, welche üblicherweise an einer ihrer beiden Querseiten für eine Befüllung unverschlossen sind.From the provided with the handle loops film tube finally individual bag blanks are separated, which are usually unlocked at one of its two transverse sides for a filling.
Gemäß einer alternativen Ausgestaltung der Erfindung ist vorgesehen, erst den Folienschlauch aus der Beutelfolie zu bilden und nachfolgend die Griffschlaufen zuzuführen und zu befestigen. Die Griffschlaufen werden dann in Auftrennungen eingesetzt, welche auch bevorzugt erst nach der Bildung des Folienschlauches erzeugt wurden. Beispielsweise kann dazu bei dem bereits gebildeten Folienschlauch zur Erzeugung einer Auftrennung an zwei der Seitenkanten ein äußerer Rand zumindest zum Teil entfernt werden. Gemäß einer bevorzugten Ausgestaltung werden dazu Teilsiegelnähte mit zumindest einer Unterbrechung gebildet, die sich in der ersten Richtung über einen Teil der Länge der Seitenkante erstrecken, so dass nach dem Abtrennen des äußeren Randes über die gesamte Länge der Seitenkante an der zumindest einen Unterbrechung eine Auftrennung gebildet wird, in die nachfolgend ein Ende oder beide Enden einer der Griffschlaufen eingesetzt wird/werden. Wenn an den Seitenkanten mit den Griffschlaufen ein äußerer Rand abgetrennt wird, können dort die entsprechenden Längssiegelnähte dicker ausgeführt werden, damit diese auch nach dem Entfernen des äußeren Randes eine ausreichende Dicke aufweisen. Insbesondere ist es von Vorteil, wenn bei dem fertigen Seitenfaltenbeutel beide Seitenfalten die gleiche Breite aufweisen. Die Seitenfalte, von der die äußeren Ränder an den Seitenkanten abgetrennt werden, ist dann zunächst mit einer entsprechend erhöhten Breite zu bilden. Auch bei der Anordnung der Griffschlaufen nach der Bildung des Folienschlauches kann ein mehrfaches Heißsiegeln durchgeführt werden, um eine funktionssichere Befestigung der Griffschlaufen zu gewährleisten. Insbesondere können dazu unterschiedliche Heißsiegelwerkzeuge eingesetzt werden.According to an alternative embodiment of the invention, it is provided to first form the film tube from the bag film and subsequently supply the handle loops and secure. The handle loops are then used in separations, which were preferably produced only after the formation of the film tube. For example, 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. According to a preferred embodiment, for this purpose 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. If an outer edge is severed at the side edges with the handle loops, 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. In particular, it is advantageous if in the finished gusseted bag 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. Also in the arrangement of the handle loops after the formation of the film tube, a multiple heat sealing can be performed to ensure a functionally reliable attachment of the handle loops. In particular, different heat sealing tools can be used for this purpose.
Die Erfindung wird im Folgenden anhand einer lediglich ein Ausführungsbeispiel darstellenden Zeichnung erläutert. Es zeigen:
- Fig. 1
- einen erfindungsgemäßen Seitenfaltenbeutel in einer perspektivischen Ansicht,
- Fig. 2a bis 2e
- ein Verfahren zur Herstellung des Seitenfaltenbeutels,
- Fig. 3a bis 3f
- eine alternative Ausgestaltung des Verfahrens.
- Fig. 1
- a gusseted bag according to the invention in a perspective view,
- Fig. 2a to 2e
- a method for producing the gusseted bag,
- Fig. 3a to 3f
- an alternative embodiment of the method.
Gemäß der
An den zugeordneten Seitenkanten 2 sind die Griffschlaufen 4 mit ihren Enden 5 in den Beutelkörper, der durch Falten und Heißsiegeln aus einer mehrschichtigen Beutelfolie gebildet ist, hineingeführt. Dazu weist der Beutelkörper Auftrennungen 6 auf, die durch Heißsiegeln wieder verschlossen sind. An sämtlichen Seitenkanten 2, 2' sind Längssiegelnähte 7, 7' vorgesehen, welche den Seitenfaltenbeutel verstärken. An den mit den Griffschlaufen 4 versehenen Seitenkanten 2 dienen die dort angeordneten Längssiegelnähte 7 zusätzlich dem Verschluss der Auftrennungen 6 sowie der Befestigung der Enden 5 der Griffschlaufen 4 an der Innenfläche des Beutelkörpers, wobei die Enden 5 sowohl an einer der Frontwände 1 als auch an der zugeordneten Seitenfalte 3a befestigt sind. Um diese Längssiegelnähte 7 zu erzeugen, werden unterschiedliche Heißsiegelwerkzeuge eingesetzt, welche verschiedene Bereiche der zugeordneten Seitenkante 2 abdecken. So kann es zweckmäßig sein, zunächst lediglich eine Versiegelung im Bereich der Griffschlaufen 4 vorzunehmen, bevor zusätzlich eine durchgehende Versiegelung zur Bildung der vollständigen Längssiegelnaht 7 erfolgt.At the associated side edges 2, the
Der
Der Seitenfaltenbeutel weist an seiner unteren Querseite einen durch Falten gebildeten Standboden 8 auf. An dem gegenüberliegenden oberen Rand ist ein Wiederverschluss 9 vorgesehen der miteinander verriegelbare Profilstreifen aufweist. In dem beschriebenen Ausführungsbeispiel ist exemplarisch ein Wiederverschluss 9 dargestellt, der von einem Schieber 10 betätigt wird.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.
Die seitlich von dem Beutelkörper abstehenden Griffschlaufen 4 können leicht durchgriffen werden, wobei die Griffschlaufen 4 an einem im Wesentlichen geraden, entlang der zugeordneten Seitenfalte 3a verlaufenden Mittelabschnitt 11 gehalten werden können. Die Enden 5 der Griffschlaufen 4 sind in einem rechten Winkel gegenüber dem Mittelabschnitt 11 abgeknickt.The laterally projecting from the bag
Die
Gemäß der
Damit die Griffschlaufen 4 in der vorgesehenen Position verbleiben, werden die Enden 5 an der Unterseite der Materialbahn 12 durch Heißsiegeln vorfixiert, wobei nachfolgend durch Falten und Heißsiegeln der Materialbahn 12 ein Folienschlauch 13 gebildet wird. Die Griffschlaufen 4 müssen dabei derart geführt werden, dass diese nicht verklemmen und so den Transport der Materialbahn 12 behindern (
Nachfolgend erfolgt an den mit den Griffschlaufen 4 versehenen Seitenkanten 2 eine Versiegelung im Bereich der Enden 5 der Griffschlaufen 4 (
Nachfolgend wird durch eine Versiegelung der gesamten Seitenkante 2 die vollständige Längssiegelnaht 7 gebildet (
Die
Wie in der
Claims (16)
- A side gusset bag with a bag body made up of two front walls (1) and side folds (3a, 3b) disposed between the front walls (1) and adjoining the front walls (1) via side edges (2, 2') and with a carrying handle arrangement on one of the side folds (3a, 3b), wherein the carrying handle arrangement comprises grip loops standing out from the bag body, wherein the ends (5) of the grip loops (4) are inserted into the bag body through separations (6), characterised in that two grip loops (4) extending in parallel to each other in longitudinal direction of the associated side fold (3a) are provided, which are inserted, respectively, with their ends (5) into the bag body on one of the side edges (2) and sealed fast to the inside surface as well as to the associated side edge (2) of the bag body and in that the side edges (2) on which the grip loops (4) are fastened are folding edges, and wherein the separations (6) are closed by longitudinal sealing seams (7, 7') extending along the side edges (2).
- Side gusset bag according to claim 1, characterised in that the bag body is formed by folding and hot-sealing of a multi-layered bag film.
- Side gusset bag according to claim 1 or 2, characterised in that the side edges (2, 2') are provided with longitudinal sealing seams (7, 7') which extend over the entire length of the side folds (3a, 3b).
- Side gusset bag according to claim 3, characterised in that the longitudinal sealing seams (7), at the ends (5) of grip loops (4), comprise an offset leading away from the associated side edge (2) and/or a larger width.
- Side gusset bag according to one of claims 1 to 4, characterised in that the grip loops (4) are formed from film strips comprising a longitudinally extending central section (11) to which the folded-over ends (5) are adjoined.
- Side gusset bag according to one of claims 1 to 5, characterised in that a stand-up bottom (8) is formed on one transverse side.
- Side gusset bag according to one of claims 1 to 6, characterised by a reclosure (9).
- A method for manufacturing a side gusset bag according to one of claims 1 to 7,
wherein a bag film is supplied,
wherein at least two separations (6) respectively extending in parallel to each other in a first direction are formed in sections of the bag film,
wherein per section of bag film two grip loops (4) are supplied and inserted with their ends (5) into the separations (6) such that the grip loops (4) extend in parallel to each other along a first direction, at least in a central section,
wherein a film tube (13) is formed from the bag film by folding and hot-sealing with front walls (1) extending along the first direction and in-between side folds (3a, 3b),
wherein the ends (5) of the grip loops (4) are fastened by hot-sealing to the surface of the bag film which forms the inside surface of the film tube (13),
wherein following forming of the film tube (13) longitudinal sealing seams (7) are produced on the side edges (2) between the front walls (1) and the side folds (3a) provided with the grip loops (4), which longitudinal sealing seams also fix the ends (5) of the grip loops (4). - Method according to claim 8, wherein the separations (6) are formed in the form of incisions or punch-outs in the flat-lying bag film prior to forming the film tube (13).
- Method according to claim 9, wherein the grip loops (4), prior to forming the film tube (13), are arranged on the flat-lying bag film and are at least pre-fixed.
- Method according to claim 10, wherein the film tube (13) is formed such that the side edges (2) are formed on the separations (6), on each of which one of the grip loops (4) has been arranged.
- Method according to claim 8, wherein the grip loops (4) are supplied and inserted into the separations (6) after the film tube (13) has been formed.
- Method according to claim 12, wherein after forming the film tube (13) and prior to arranging the grip loops (4), an outer rim (15) is removed at least partially for creating a separation (6) on two of the side edges (2).
- Method according to claim 13, wherein prior to creating the separation (6) partial sealing seams (7a) with at least one interruption (14) are formed on the side edges (2) which extend in a first direction over part of the length of the side edge (2) such that, following removal of the outer rim (15), an open separation (6) is formed over the entire length of the side edge (2) on the at least one interruption (14), wherein subsequently one end (5) or both ends (5) of one of the grip loops (4) are inserted into the separation (6).
- Method according to one of claims 8 to 14, wherein the side edges (2) on which the grip loops (4) have been arranged are hot-sealed several times over.
- Method according to claim 15, wherein multiple hot-sealing is performed using various hot-sealing tool
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP10001392A EP2354026B1 (en) | 2010-02-10 | 2010-02-10 | Bag with gusseted sides and method for producing same |
ES10001392T ES2393915T3 (en) | 2010-02-10 | 2010-02-10 | Side fold bag and procedure for manufacturing a side fold bag |
CA2730866A CA2730866A1 (en) | 2010-02-10 | 2011-02-07 | Side-gusset bag and method of making a side-gusset bag |
US13/023,230 US8597168B2 (en) | 2010-02-10 | 2011-02-08 | Method of making bag with handle on side gusset |
MX2011001524A MX2011001524A (en) | 2010-02-10 | 2011-02-09 | Side folding bag and method for producing same. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP10001392A EP2354026B1 (en) | 2010-02-10 | 2010-02-10 | Bag with gusseted sides and method for producing same |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2354026A1 EP2354026A1 (en) | 2011-08-10 |
EP2354026B1 true EP2354026B1 (en) | 2012-08-22 |
Family
ID=42261927
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10001392A Not-in-force EP2354026B1 (en) | 2010-02-10 | 2010-02-10 | Bag with gusseted sides and method for producing same |
Country Status (5)
Country | Link |
---|---|
US (1) | US8597168B2 (en) |
EP (1) | EP2354026B1 (en) |
CA (1) | CA2730866A1 (en) |
ES (1) | ES2393915T3 (en) |
MX (1) | MX2011001524A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2998236A1 (en) | 2014-09-16 | 2016-03-23 | Mondi Consumer Packaging Technologies GmbH | Side folding bag and method for producing the same |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
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DE102013105381A1 (en) * | 2013-05-24 | 2014-11-27 | Windmöller & Hölscher Kg | Bag, method for making a bag and machine system for making a bag |
CN112497844B (en) | 2013-06-05 | 2023-05-23 | 环美有限公司 | Method for producing fabric bags or containers using heat-fused seams |
DE102014116820A1 (en) | 2014-11-18 | 2016-05-19 | Mondi Consumer Packaging Technologies Gmbh | Side gusseted bag and method of making a gusseted bag |
US9834371B2 (en) | 2015-09-28 | 2017-12-05 | Lucy Pet Products, Llc | Cat litter container with two handles and a pouring spout |
US10745192B2 (en) | 2015-11-06 | 2020-08-18 | Ameriglobe, Llc | Industrial bag discharge spout |
US10479599B2 (en) | 2015-12-17 | 2019-11-19 | Ameriglobe, Llc | Industrial bag lift loop assembly |
US20180057217A1 (en) * | 2016-08-31 | 2018-03-01 | John T Veder | Slit-Score Security Paper Shopping Bag |
MX2019005341A (en) | 2016-11-08 | 2019-11-12 | Ameriglobe Llc | Stitchless bulk bag with heat fused seams and method of production. |
IT201700045963A1 (en) * | 2017-04-27 | 2018-10-27 | Ica Spa | Method and machine for forming packages of flexible material having side bellows |
IT201700107549A1 (en) * | 2017-09-26 | 2019-03-26 | Ica Spa | flexible material packages |
US11591156B1 (en) | 2019-08-29 | 2023-02-28 | Ameriglobe, Llc | Lift loop assembly test process and apparatus |
US11319144B1 (en) | 2019-08-29 | 2022-05-03 | Ameriglobe, Llc | Bulk bag bottom and discharge assembly including a reinforcer |
USD966903S1 (en) | 2020-12-10 | 2022-10-18 | Leftcoast Innovations Llc | Retail packaging for consumable products |
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US2985355A (en) * | 1952-12-03 | 1961-05-23 | Robert E Read | Bags and method of making bags |
US3208492A (en) * | 1962-02-21 | 1965-09-28 | Hudson Pulp & Paper Corp | Bag handle and bag |
US3507194A (en) * | 1966-10-31 | 1970-04-21 | August Schwarzkopf | Process and apparatus for making a carrying bag of plastic material |
US3486421A (en) * | 1966-12-19 | 1969-12-30 | Munksjoe Ab | Method for spreading sheets of two adjacent pairs of sheets |
US3753824A (en) * | 1970-03-13 | 1973-08-21 | Windmoeller & Hoelscher | Process of manufacturing carrying bags which comprise u-shaped carrying handles of plastics material sheeting |
DE4238655C2 (en) * | 1992-11-16 | 2002-10-24 | Windmoeller & Hoelscher | Process for making paper bags |
US5421805A (en) * | 1993-10-01 | 1995-06-06 | Bancroft Bag, Inc. | Method and apparatus for producing handled bags |
DE19702144C2 (en) * | 1997-01-22 | 2003-03-13 | Windmoeller & Hoelscher | Method and device for producing bags with handles |
ES2178559B1 (en) * | 2000-08-04 | 2003-09-01 | Daumar Talleres | PERFECTION OF PRODUCT PACKING MACHINES IN MESH BAGS WITH HANDLE. |
DE10137844B4 (en) * | 2001-08-02 | 2010-02-25 | Windmöller & Hölscher Kg | Method of making loop handle carrier bags |
WO2004037663A2 (en) * | 2002-10-24 | 2004-05-06 | Lionel Nicholas Mantzivis | Bag with handle |
EP1773673A1 (en) * | 2004-05-21 | 2007-04-18 | Ashok Chaturvedi | Re-closable flexible package and method of manufacturing the same |
DE502006003069D1 (en) | 2006-06-24 | 2009-04-23 | Nordenia D Halle Gmbh | Film packaging bag |
ATE416989T1 (en) | 2006-07-01 | 2008-12-15 | Nordenia D Halle Gmbh | FOIL BAG |
FR2903083B1 (en) * | 2006-07-03 | 2011-01-21 | Autobar Flexible Packasing | PLASTIC BELLOW BAG FOR FOODSTUFFS AND METHOD FOR MANUFACTURING THE SAME |
EP1792722B1 (en) | 2006-10-02 | 2008-11-26 | Nordenia Deutschland Halle GmbH | Packaging pouch |
US7886885B2 (en) * | 2006-10-16 | 2011-02-15 | GM Global Technology Operations LLC | Clutch for a transmission |
PT2148820E (en) * | 2007-05-31 | 2012-05-29 | Nordenia D Halle Gmbh | Sheet-material packaging bag |
ES2347699T3 (en) | 2007-09-19 | 2010-11-03 | Nordenia Deutschland Halle Gmbh | SIDE FOLDING BAG. |
DE202007014358U1 (en) | 2007-10-13 | 2008-10-16 | B & B - Maf Gmbh & Co. Kg | Packaging container made of flexible material |
US8322923B2 (en) * | 2010-06-15 | 2012-12-04 | Mondi Jackson, Inc | Film bag with handle |
-
2010
- 2010-02-10 ES ES10001392T patent/ES2393915T3/en active Active
- 2010-02-10 EP EP10001392A patent/EP2354026B1/en not_active Not-in-force
-
2011
- 2011-02-07 CA CA2730866A patent/CA2730866A1/en not_active Abandoned
- 2011-02-08 US US13/023,230 patent/US8597168B2/en not_active Expired - Fee Related
- 2011-02-09 MX MX2011001524A patent/MX2011001524A/en active IP Right Grant
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2998236A1 (en) | 2014-09-16 | 2016-03-23 | Mondi Consumer Packaging Technologies GmbH | Side folding bag and method for producing the same |
Also Published As
Publication number | Publication date |
---|---|
US20110206300A1 (en) | 2011-08-25 |
US8597168B2 (en) | 2013-12-03 |
EP2354026A1 (en) | 2011-08-10 |
MX2011001524A (en) | 2011-08-31 |
ES2393915T3 (en) | 2013-01-02 |
CA2730866A1 (en) | 2011-08-10 |
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