EP3020653B1 - Self-standing bag - Google Patents
Self-standing bag Download PDFInfo
- Publication number
- EP3020653B1 EP3020653B1 EP15003233.2A EP15003233A EP3020653B1 EP 3020653 B1 EP3020653 B1 EP 3020653B1 EP 15003233 A EP15003233 A EP 15003233A EP 3020653 B1 EP3020653 B1 EP 3020653B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- self
- base
- standing bag
- edge
- seam
- 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.)
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Links
- 238000000034 method Methods 0.000 claims description 10
- 238000004519 manufacturing process Methods 0.000 claims description 9
- 239000010410 layer Substances 0.000 claims description 7
- 229920003023 plastic Polymers 0.000 claims description 5
- 239000004033 plastic Substances 0.000 claims description 5
- 230000004888 barrier function Effects 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 3
- 238000005452 bending Methods 0.000 claims description 2
- 239000002356 single layer Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 description 4
- 239000011888 foil Substances 0.000 description 3
- 238000007639 printing Methods 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000004049 embossing Methods 0.000 description 1
- 239000000976 ink Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
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
- B65D33/00—Details of, or accessories for, sacks or bags
- B65D33/16—End- or aperture-closing arrangements or devices
- B65D33/25—Riveting; Dovetailing; Screwing; using press buttons or slide fasteners
- B65D33/2508—Riveting; Dovetailing; Screwing; using press buttons or slide fasteners using slide fasteners with interlocking members having a substantially uniform section throughout the length of the fastener; Sliders therefor
-
- 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
- B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
- B65D75/008—Standing pouches, i.e. "Standbeutel"
-
- 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
- B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
- B65D75/52—Details
- B65D75/58—Opening or contents-removing devices added or incorporated during package manufacture
- B65D75/5861—Spouts
- B65D75/5872—Non-integral spouts
- B65D75/5883—Non-integral spouts connected to the package at the sealed junction of two package walls
Definitions
- the invention relates to a stand-up bag, which has a bottom arranged at the lower end of a front and a rear wall.
- This floor is formed by means of a bottom fold which is connected on the front to the front wall and on the back to the rear wall via seams, wherein a folded edge of the bottom fold in a filled state of the floor bag from a first corner of the floor to an oblique, in particular diametrically opposite, second corner of the floor runs.
- a floor or stand-up bag according to the preamble of claim 1 is for example in the US 4810109 , optionally in the DE 20 2013 103 978 U1 disclosed.
- the bottoms of these stand-up pouches have seams on the edge, which converge on the front and the back of lateral longitudinal seams of the base pouch and in the folded pouch position, forming a generally blunt angle in a corner of the bottom.
- the side edges of the floor are rectilinear and angularly contiguous. To form a substantially rectangular bottom, the seams have a different length.
- front and the rear wall are provided with mutually mirror-inverted seams, so that when filling the bottom along the height of the bag upwardly extending longitudinal seams, for example, a plastic bag at the bottom end diametrically opposite and accordingly the other corners or Edges of the floor on different sides with respect to the fold or fold edge of the bottom fold are arranged.
- the folding edge of the bottom fold runs correspondingly diametrically between the original longitudinal seams.
- the stand-up pouch has two side folds. This turns a nearly cone-shaped bag into a bag with a clearly defined front and high stability. As a result, wider film webs can be used at the same time resulting in bags with significantly greater useful volume.
- one of the gussets is part of a foil strip forming the front wall, while the other of the gussets is part of a foil strip forming the back wall, the manufacture of the self-supporting bag according to the invention is simplified despite the gussets with more complex bottom because the gussets do not need to be fed separately ,
- the gussets are generated by a mutually moving the front and the rear wall in the direction of their planar extent.
- the integration of a gusset in the stand-up pouch is greatly simplified because it dispenses with complicated seam constructions in the floor area.
- the production of the gussets by displacing the front wall and the rear wall relative to one another preferably in the direction of their areal extent can be achieved by gripping the already existing longitudinal seams extending from the bottom of the upright bag in the direction of the head area and reducing the distance between the two.
- the longitudinal seams can be moved toward one another or almost toward one another.
- a mutually offset movement, in particular in the direction of the planar extension of the remaining front or rear wall can lead to the formation of gussets.
- Both longitudinal seams or instead the newly formed longitudinal edges of the gussets can be grasped and moved alternatively can also only one of the longitudinal edges -rang. - seams are taken and moved.
- both the longitudinal seams present on both sides as well as the region of the newly forming longitudinal seam are grasped and the front and rear walls are moved against one another.
- the area adjoining the longitudinal seams can also be grasped.
- a contour is generated which provides side folds from the material available for the front or rear wall (in particular film) and through which an advantageous, at least below the bag head form cuboidal shape when filling the stand-up pouch.
- this can already pretreated to support the bending movement, for example, be embossed.
- the embossing can go into the area of the seam closing downwards and also form a preferential fold line there.
- the fold edge runs obliquely into the seam at an angle which adjoins the bottom in a downward direction.
- a stand-up pouch in which by a third and fourth diametrically opposite corner of the bottom connecting connecting line is present, which crosses the folding edge of the bottom and is shorter than this.
- This corresponds to a rectangular shape of the floor, in which the adjoining bottom edges or the seams forming them have different lengths.
- two side gussets in particular the longer edge of the floor can be used as a conclusion of a wide front wall, so that a well-formed front without the known from the prior art quasi cylinder or truncated conical structure for information reproduction is available.
- that seam which forms a shorter side edge of the bottom is provided with a greater angle with the fold or fold than that seam which forms a longer side edge of the bottom.
- this is the seam that closes the side fold downwards. This leaves the larger areas free for front-side printing.
- the gussets are preferably arranged at their lower end completely with respect to the folded edge on one side of the bottom fold, so that an introduction of the gussets is not complicated by the folding edge and also the folding and flattening of the bag for subsequent transport process can be performed more secure.
- At least two, preferably four, of the outer longitudinal edges of the side folds running from the bottom to the upper end of the stand-up pouch are sealed.
- the formation of the respective gusset at each of the shorter edge of a rectangular bottom and completely on one side of the Bodenfaltkante supports the introduction of this gusset and folding for the purpose of subsequent stacking. It is the entire length of the bottom side without further edges or sealed areas for kinking available, so that the introduction of the gusset, possibly with simultaneous forced penetration of the side gusset forming area, is facilitated.
- the inner edge or inner fold edge of the respective side fold is in this case preferably provided at a distance from one of the longitudinal edges of the side fold, which is smaller than half the length of one of the adjoining bottom side edge forming seam.
- the inner edge of the (respective) side gusset ends in a bend of the seam provided for forming a bottom edge or crosses it. Gusset and bottom go well together, the stackability is improved by the flatter contour of the folded bag.
- a bottom edge of the stand-up pouch extends obliquely over the entire width of the pouch on the front side.
- a stand-up pouch according to the invention having walls which are at least substantially formed by a single-layer or multi-layer plastic, paper or plastic-paper composite film is produced. At least substantially comprises, that in addition to the actual film material of course still printing inks, sealable inner layers (areas), seams and possibly also adhesive, spout or zipper and other other functional elements may be present. Nevertheless, the planar extent of the bottom, the side, front and rear walls is formed by a preferably formed as a film material material made of plastic or a corresponding plastic-paper composite film.
- barrier layer which may consist, for example, of an aluminum-coated plastic layer or an aluminum layer.
- either a front or a back side foil can be sealed along longitudinal seams 1 and 2.
- a tubular film can be used, which is sealed on the long sides. Sutures are understood above and below seams which causes by heat sealing, gluing or ultrasonic welding or equivalent methods, a connection of adjoining, adjacent film areas.
- a dot-dash line 3 indicates an inner folding edge of a likewise inner bottom fold 4. This can be created by folding the front or rear wall or by shooting a separate film.
- the longitudinal seams 1 and 2 are formed four-ply.
- the bottoms formed by the seams 7 and 8 and 9 and 10 evert from the plane of the figure to the front and rear and together then form a rectangular bottom sloping to the plane of the figure with short sides 7 and 10 and longer edges 8 and 9 off.
- Dash-dotted lines 11 represent creases that represent outer edges of the gussets to be formed after the production of the gussets of the stand-up pouch.
- the bag can be pretreated along these lines, for example embossed.
- dash-dotted lines 12 which correspond to the inner fold edges of the gussets.
- gussets 15 and 16 form. These arise by kinking the at the inner edges 12 'adjacent areas against each other. The outer edges of the gussets are thus formed on the one hand by the seams 1 and 2 and on the other hand along the lines 11. Thanks to these lines can be used to manufacture the in Fig. 3 again shown a contour 1 'or 2' for stiffening and definition of the respective gusset are generated ( Fig. 3 ).
- the stand-up sack is stacked in order to be transported to the processor Fig. 4 shown characteristic line or seam pattern in the floor area.
- the sealed seam 8 is present transversely over the entire width of the front. It thus stabilizes the lower bag area.
- the side edge (seam 7) of the bottom via a bend 20 to the intersection with the fold edge 3 of the bottom fold 4.
- the right edge with longitudinal seam 2 runs on the back of the stand-up pouch trained part of the floor by means of a folded side seam 10 of the floor in the direction of the lower right corner, from which the longer side edge seam 9 extends to the longitudinal seam 1 on the back side of the stand-up pouch.
- the left seams 1 'and 1 are just as congruent as the right seams 2 and 2'.
- a spout 17 can be used for removal after filling with, for example, a liquid.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bag Frames (AREA)
- Making Paper Articles (AREA)
Description
Die Erfindung betrifft einen Standbodenbeutel, der einen jeweils am unteren Ende einer Vorder- und einer Rückwand angeordneten Boden aufweist. Dieser Boden ist mittels einer Bodenfalte ausgebildet, die auf der Vorderseite mit der Vorderwand und auf der Rückseite mit der Rückwand über Nähte verbunden ist, wobei eine Faltkante der Bodenfalte in einem befüllten Zustand des Standbodenbeutels von einer ersten Ecke des Bodens zu einer schräg, insbesondere diametral gegenüberliegenden, zweiten Ecke des Bodens verläuft.The invention relates to a stand-up bag, which has a bottom arranged at the lower end of a front and a rear wall. This floor is formed by means of a bottom fold which is connected on the front to the front wall and on the back to the rear wall via seams, wherein a folded edge of the bottom fold in a filled state of the floor bag from a first corner of the floor to an oblique, in particular diametrically opposite, second corner of the floor runs.
Ein Boden bzw. Standbodenbeutel nach dem Oberbegriff des Anspruchs 1 ist beispielsweise in der
Der dargestellte Stand der Technik besitzt zwar einen standfesten Boden, ist allerdings aufgrund dieses Bodens nach oben hin nahezu kegelförmig ausgebildet. Dies ist einerseits nachteilig für das verfügbare Nutzvolumen, andererseits ist es ungünstig für eine Bedruckung des Beutels und die hiermit einhergehende Werbefunktion, wenn der Beutel in einem Regal zu Verkaufszwecken präsentiert wird.Although the illustrated prior art has a stable bottom, however, is due to this bottom upwards almost conical. On the one hand this is detrimental to the available useful volume, on the other hand it is unfavorable for a printing of the bag and the associated advertising function when the bag is presented on a shelf for sale purposes.
Es ist daher Aufgabe der vorliegenden Erfindung, einen Standbodenbeutel auszubilden, dessen zu bedruckende Vorderseite weniger stark gerundet ist und der dennoch standfest ausgebildet ist.It is therefore an object of the present invention to form a stand-up pouch whose front side to be printed is less rounded and which is nevertheless made stable.
Die Aufgabe wird gelöst durch einen Gegenstand gemäß Anspruch 1 sowie durch ein Verfahren nach Anspruch 12. Weitere vorteilhafte Ausgestaltungen der Erfindung sind den auf diese Ansprüche rückbezogenen Unteransprüchen sowie der nachfolgenden Beschreibung zu entnehmen.The object is achieved by an article according to
Erfindungsgemäß ist vorgesehen, dass der Standbodenbeutel zwei Seitenfalten aufweist. Hierdurch wird aus einem nahezu kegelförmigen Beutel ein Beutel mit klar definierter Vorderseite bei gleichzeitig hoher Standfestigkeit. Da daher gleichzeitig breitere Folienbahnen verwendbar sind, ergeben sich Beutel mit deutlich größerem Nutzvolumen.According to the invention, it is provided that the stand-up pouch has two side folds. This turns a nearly cone-shaped bag into a bag with a clearly defined front and high stability. As a result, wider film webs can be used at the same time resulting in bags with significantly greater useful volume.
Wenn die eine der Seitenfalten Teil eines die Vorderwand ausbildenden Folienstreifens ist, während die andere der Seitenfalten Teil eines die Rückwand ausbildenden Folienstreifens ist, so wird die Herstellung des erfindungsgemäßen Standbodenbeutels trotz der Seitenfalten bei gleichzeitig komplexerem Boden vereinfacht, da die Seitenfalten nicht separat zugeführt werden müssen.If one of the gussets is part of a foil strip forming the front wall, while the other of the gussets is part of a foil strip forming the back wall, the manufacture of the self-supporting bag according to the invention is simplified despite the gussets with more complex bottom because the gussets do not need to be fed separately ,
Entsprechend stellt es eine Lösung der vorstehend beschriebenen Aufgabe dar, wenn vorzugsweise nach Herstellung zweier Längs- und der die Bodenkontur bestimmenden Nähte, vorzugsweise Siegelnähte, die Seitenfalten durch ein gegeneinander Verschieben der Vorder-und der Rückwand in Richtung deren flächiger Erstreckung erzeugt werden. Durch diesen komplizierten Verschiebeprozess wird die Integration einer Seitenfalte in den Standbodenbeutel deutlich vereinfacht, da auf komplizierte Nahtkonstruktionen im Bodenbereich verzichtet wird.Accordingly, it represents a solution of the above-described object, if preferably after production of two longitudinal and the bottom contour determining seams, preferably sealing seams, the gussets are generated by a mutually moving the front and the rear wall in the direction of their planar extent. Through this complicated shifting process, the integration of a gusset in the stand-up pouch is greatly simplified because it dispenses with complicated seam constructions in the floor area.
Die Erzeugung der Seitenfalten durch ein Gegeneinanderverschieben der Vorderwand und der Rückwand vorzugsweise in Richtung deren flächiger Erstreckung kann durch ein beidseitiges Ergreifen der bereits vorhandenen Längsnähte, die vom Boden des Standbodenbeutels in Richtung des Kopfbereiches reichen, und eine Verringerung des Abstandes zwischen diesen beiden erfolgen. Beispielsweise können die Längsnähte aufeinander oder nahezu aufeinander zu bewegt werden. Auch eine versetzt zueinander verlaufende Bewegung, insbesondere in Richtung der flächigen Erstreckung der verbleibenden Vorder- oder Rückwand kann zur Ausbildung der Seitenfalten führen. Es können beide Längsnähte oder stattdessen auch die neu zu bildenden Längskanten der Seitenfalten ergriffen und bewegt werden, alternativ kann auch nur eine der Längskanten -bzw. -nähte ergriffen und bewegt werden. Vorzugsweise werden sowohl die beiderseits vorhandenen Längsnähte wie auch der Bereich der sich neu bildenden Längsnaht ergriffen und Vorder- und Rückwand gegeneinander bewegt. Alternativ oder ergänzend kann auch der an die Längsnähte angrenzende Bereich ergriffen werden. So wird eine Kontur erzeugt, die Seitenfalten aus dem für die Vorder- oder Rückwand vorhandenen (insbesondere Folien-) Material bereit stellt und durch die sich bei Befüllung des Standbodenbeutels eine vorteilhafte, zumindest unterhalb des Beutelkopfes quaderförmige Form ausbildet.The production of the gussets by displacing the front wall and the rear wall relative to one another preferably in the direction of their areal extent can be achieved by gripping the already existing longitudinal seams extending from the bottom of the upright bag in the direction of the head area and reducing the distance between the two. For example, the longitudinal seams can be moved toward one another or almost toward one another. Also, a mutually offset movement, in particular in the direction of the planar extension of the remaining front or rear wall can lead to the formation of gussets. Both longitudinal seams or instead the newly formed longitudinal edges of the gussets can be grasped and moved alternatively can also only one of the longitudinal edges -bzw. - seams are taken and moved. Preferably, both the longitudinal seams present on both sides as well as the region of the newly forming longitudinal seam are grasped and the front and rear walls are moved against one another. Alternatively or additionally, the area adjoining the longitudinal seams can also be grasped. Thus, a contour is generated which provides side folds from the material available for the front or rear wall (in particular film) and through which an advantageous, at least below the bag head form cuboidal shape when filling the stand-up pouch.
Im Bereich der inneren Kante der Seitenfalte kann diese zur Unterstützung der Knickbewegung bereits vorbehandelt, beispielsweise geprägt sein.In the area of the inner edge of the gusset this can already pretreated to support the bending movement, for example, be embossed.
Die Prägung kann bis in den Bereich der nach unten abschließenden Naht hineingehen und auch dort eine Vorzugsfaltlinie ausbilden. Um eine gute Stapelfähigkeit des Standbodenbeutels herzustellen, verläuft die Faltkante unter einem Winkel in die Naht, die sich nach unten in den Boden übergehend anschließt, schräg hinein.The embossing can go into the area of the seam closing downwards and also form a preferential fold line there. In order to produce a good stackability of the stand-up pouch, the fold edge runs obliquely into the seam at an angle which adjoins the bottom in a downward direction.
Besonders vorteilhaft ist eine Ausbildung eines erfindungsgemäßen Standbodenbeutels, bei dem durch eine dritte und vierte einander diametral gegenüberliegende Ecke des Bodens verbindende Verbindungslinie vorhanden ist, die die Faltkante des Bodens kreuzt und kürzer als diese ist. Dies entspricht einer rechteckigen Form des Bodens, bei dem die aneinander angrenzende Bodenränder oder die diese ausbildenden Nähte unterschiedliche Längen aufweisen. In Kombination mit den erfindungsgemäß vorhandenen zwei Seitenfalten wird insbesondere die längere Kante des Bodens als Abschluss einer breiten Vorderwand verwendet werden können, so dass eine gut ausgebildete Frontseite ohne den aus dem Stand der Technik bekannten quasi zylinder- bzw. kegelstumpfförmigen Aufbau für Informationswiedergabe zur Verfügung steht.Particularly advantageous is an embodiment of a stand-up pouch according to the invention, in which by a third and fourth diametrically opposite corner of the bottom connecting connecting line is present, which crosses the folding edge of the bottom and is shorter than this. This corresponds to a rectangular shape of the floor, in which the adjoining bottom edges or the seams forming them have different lengths. In combination with the present invention two side gussets in particular the longer edge of the floor can be used as a conclusion of a wide front wall, so that a well-formed front without the known from the prior art quasi cylinder or truncated conical structure for information reproduction is available.
Vorteilhafterweise ist im zusammengelegten Zustand und projiziert auf die Ebene der flächigen Erstreckung des Standbodenbeutels diejenige Naht, die einen kürzen Seitenrand des Bodens ausbildet mit einem größeren Winkel mit der Faltkante oder zur Faltkante versehen als jene Naht, die einen längeren Seitenrand des Bodens ausbildet. Insbesondere handelt es sich hierbei um diejenige Naht, die die Seitenfalte nach unten hin abschließt. Somit bleiben für die frontseitige Bedruckung die größeren Bereiche frei.Advantageously, in the folded state and projected onto the plane of the flat extension of the stand-up pouch, that seam which forms a shorter side edge of the bottom is provided with a greater angle with the fold or fold than that seam which forms a longer side edge of the bottom. In particular, this is the seam that closes the side fold downwards. This leaves the larger areas free for front-side printing.
Die Seitenfalten sind an ihrem unteren Ende vorzugsweise vollständig bezüglich der Faltkante auf einer Seite der Bodenfalte angeordnet, so dass ein Einbringen der Seitenfalten nicht durch die Faltkante erschwert wird und ebenfalls die Zusammenfaltung und das Flachlegen des Beutels zum nachfolgenden Transport prozesssicherer durchgeführt werden kann.The gussets are preferably arranged at their lower end completely with respect to the folded edge on one side of the bottom fold, so that an introduction of the gussets is not complicated by the folding edge and also the folding and flattening of the bag for subsequent transport process can be performed more secure.
Zur Verbesserung der Standfestigkeit und einer nahezu rechteckigen Ausbildung des Standbodenbeutels sind zumindest zwei, vorzugsweise vier der vom Boden zum oberen Ende des Standbodenbeutels hin verlaufenden äußeren Längskanten der Seitenfalten gesiegelt.To improve the stability and a nearly rectangular configuration of the stand-up pouch, at least two, preferably four, of the outer longitudinal edges of the side folds running from the bottom to the upper end of the stand-up pouch are sealed.
Die Ausbildung der jeweiligen Seitenfalte an jeweils dem kürzeren Rand eines rechteckigen Bodens und vollständig auf einer Seite der Bodenfaltkante unterstützt die die Einbringung dieser Seitenfalte und das Zusammenlegen zwecks nachfolgender Stapelung. Es steht die gesamte Länge der Bodenseite ohne weitere Kanten oder abgesiegelte Bereiche zum Knicken zur Verfügung, so dass das Einbringen der Seitenfalte, gegebenenfalls bei gleichzeitig forciertem Einstülpen des die Seitenfalte ausbildenden Bereiches, erleichtert ist. Die Innenkante bzw. innere Faltkante der jeweiligen Seitenfalte ist hierbei vorzugsweise mit einem Abstand von einer der Längskanten der Seitenfalte versehen, der kleiner als die halbe Länge einer der den angrenzenden Bodenseitenrand ausbildenden Naht ist.The formation of the respective gusset at each of the shorter edge of a rectangular bottom and completely on one side of the Bodenfaltkante supports the introduction of this gusset and folding for the purpose of subsequent stacking. It is the entire length of the bottom side without further edges or sealed areas for kinking available, so that the introduction of the gusset, possibly with simultaneous forced penetration of the side gusset forming area, is facilitated. The inner edge or inner fold edge of the respective side fold is in this case preferably provided at a distance from one of the longitudinal edges of the side fold, which is smaller than half the length of one of the adjoining bottom side edge forming seam.
Insbesondere endet die Innenkante der (jeweiligen) Seitenfalte in dem zusammengefalteten Zustand des Standbodenbeutels in einem Knick der zur Ausbildung eines Bodenrandes vorgesehenen Naht oder quert diese. Seitenfalte und Boden gehen gut ineinander über, die Stapelfähigkeit ist durch die flachere Kontur des zusammengefalteten Beutels verbessert.In particular, in the folded state of the stand-up pouch, the inner edge of the (respective) side gusset ends in a bend of the seam provided for forming a bottom edge or crosses it. Gusset and bottom go well together, the stackability is improved by the flatter contour of the folded bag.
Vorzugsweise verläuft im zusammengefalteten Zustand des Standbodenbeutels eine Bodenkante des Standbodenbeutels auf der Vorderseite schräg über die gesamte Breite des Beutels. Somit werden ein geringes Packmaß, gleichzeitig eine Versteifung des vorderen Bereiches nicht nur in der Breite sondern auch in der Höhe und somit eine bessere Stapelung erreicht.Preferably, in the folded state of the stand-up pouch, a bottom edge of the stand-up pouch extends obliquely over the entire width of the pouch on the front side. Thus, a small pack size, at the same time a stiffening of the front area not only in width but also in height and thus better stacking can be achieved.
Vorzugsweise wird ein erfindungsgemäßer Standbodenbeutel mit Wänden, die zumindest im Wesentlichen durch eine ein- oder mehrlagige Kunststoff-, Papier- oder Kunststoff-Papier-Verbundfolie mit ausgebildet werden, hergestellt. Zumindest im Wesentlichen umfasst, dass zusätzlich zu dem eigentlichen Folienmaterial natürlich noch Druckfarben, siegelfähige Innenlagen (-Bereiche), Nähte und ggf. auch Kleber, Ausgießer oder Zipper sowie andere weitere funktionale Elemente vorhanden sein können. Gleichwohl ist die flächige Erstreckung des Bodens, der Seiten-, Vorder- bzw. Rückwände durch ein vorzugsweise als Folienmaterial ausgebildetes Material aus Kunststoff oder einer entsprechenden Kunststoff-Papier-Verbundfolie ausgebildet.Preferably, a stand-up pouch according to the invention having walls which are at least substantially formed by a single-layer or multi-layer plastic, paper or plastic-paper composite film is produced. At least substantially comprises, that in addition to the actual film material of course still printing inks, sealable inner layers (areas), seams and possibly also adhesive, spout or zipper and other other functional elements may be present. Nevertheless, the planar extent of the bottom, the side, front and rear walls is formed by a preferably formed as a film material material made of plastic or a corresponding plastic-paper composite film.
Ungeachtet dessen kann zu Barrierezwecken zusätzlich eine weitere Barriereschicht, die beispielsweise aus einer mit Aluminium bedampften Kunststoffschicht oder einer Aluminiumschicht bestehen kann, vorhanden sein.Regardless of this, for barrier purposes, there may additionally be a further barrier layer, which may consist, for example, of an aluminum-coated plastic layer or an aluminum layer.
Weitere Vorteile und Einzelheiten der Erfindung lassen sich der nachfolgenden Figurenbeschreibung entnehmen. In den Abbildungen zeigt schematisch dargestellt:
- Fig. 1
- einen erfindungsgemäßen Gegenstand während des Herstellungsverfahrens,
- Fig. 2
- den Gegenstand nach
Fig. 1 während eines nachfolgenden Verfahrensschritts entlang des Schnitts II-II nachFig. 1 ohne Bodenansicht, - 2Fig. 3
- den Gegenstand nach
Fig. 2 nach einem nachfolgenden Verfahrensschritt - Fig. 4
- den Gegenstand nach
Fig. 3 in einer flachgelegten Variante, - Fig. 5 a - c
- weitere erfindungsgemäße Ausführungsbeispiele.
- Fig. 1
- an article according to the invention during the manufacturing process,
- Fig. 2
- the object after
Fig. 1 during a subsequent process step along the section II-IIFig. 1 without ground view, - 2 Fig. 3
- the object after
Fig. 2 after a subsequent process step - Fig. 4
- the object after
Fig. 3 in a flattened variant, - Fig. 5 a - c
- further embodiments of the invention.
Einzelne technische Merkmale der nachbeschriebenen Ausführungsbeispiele können auch in Kombination mit vorbeschriebenen Ausführungsbeispielen sowie den Merkmalen der unabhängigen Ansprüche und etwaiger weiterer Ansprüche zu erfindungsgemäßen Gegenständen kombiniert werden. Sofern sinnvoll, werden funktional gleichwirkende Elemente mit identischen Bezugsziffern versehen.Individual technical features of the embodiments described below can also be combined in combination with previously described embodiments as well as the features of the independent claims and any further claims to objects according to the invention. If appropriate, functionally equivalent elements are provided with identical reference numbers.
Zur Ausbildung eines erfindungsgemäßen Standbodenbeutels kann entweder eine Vorder- oder eine Rückenseitenfolie entlang von Längsnähten 1 und 2 versiegelt werden. Alternativ kann auch eine Schlauchfolie verwendet werden, die an den Längsseiten gesiegelt wird. Unter Nähten werden vorstehend sowie nachfolgend Nähte verstanden, die durch Heißsiegeln, Kleben oder Ultraschallschweißen oder gleichwirkende Methoden eine Verbindung von aneinander zu befestigenden, angrenzenden Folienbereichen bewirkt.To form a stand-up pouch according to the invention, either a front or a back side foil can be sealed along
Eine strichpunktierte Linie 3 deutet eine innenliegende Faltkante einer ebenfalls innenliegenden Bodenfalte 4 an. Diese kann durch Falten der Vorder- oder Rückwand oder durch Einschießen einer separaten Folie erzeugt werden. In einem unteren Bereich 6 sind die Längsnähte 1 und 2 vierlagig ausgebildet.A dot-dash line 3 indicates an inner folding edge of a likewise inner bottom fold 4. This can be created by folding the front or rear wall or by shooting a separate film. In a
In der dargestellten Projektion während des Herstellungsverfahrens und in der Ansicht auf die Figurenebene gemäß
Strichpunktierte Linien 11 stellen Knickkanten dar, die nach der Herstellung der Seitenfalten des Standbodenbeutels Außenränder der zu bildenden Seitenfalten darstellen. Um die Phase der Herstellung der Seitenfalte prozesssicher zu gestalten, kann der Beutel entlang dieser Linien vorbehandelt, beispielsweise geprägt sein. Gleiches gilt für strichpunktiert dargestellte Linien 12, die den innenliegenden Faltkanten der Seitenfalten entsprechen.Dash-dotted
Während des in der
Durch das Zusammenschieben der Seitenfalten, bei dem letztlich aus einer Vorder-und einer Rückwand 13,14 die Seitenfalten 15,16 erzeugt werden, ergibt sich für eine Stapelung der Standbodenbeutel zwecks Transport zum Verarbeiter das in der
Die Siegelnaht 8 ist querverlaufend über die gesamte Breite der Vorderseite vorhanden. Sie stabilisiert somit den unteren Beutelbereich. Ausgehend vom in der Figur linken unteren Ende des Standbodenbeutels verläuft der Seitenrand (Naht 7) des Bodens über einen Knick 20 hin zum Kreuzungspunkt mit der Faltkante 3 der Bodenfalte 4. Am rechten Rand mit Längsnaht 2 verläuft der dann auf der Rückseite des Standbodenbeutels ausgebildete Teil des Bodens mittels einer geknickten Seitennaht 10 des Bodens in Richtung der unteren rechten Ecke, von der auf der Rückseite des Standbodenbeutels die längere Seitenrandnaht 9 hin zur Längsnaht 1 verläuft. In der gezeigten Ansicht sind die linken Nähte 1' und 1 genauso deckungsgleich wie die rechten Nähte 2 und 2'.The sealed
Am oberen Ende im Kopfbereich des Standbodenbeutels kann ein Ausgießer 17 zur Entnahme nach Befüllung mit beispielsweise einer Flüssigkeit dienen. Alternativ kann der erfindungsgemäße Standbodenbeutel an seinem oberen Ende gemäß den Ausführungsbeispielen der
Claims (14)
- Self-standing bag comprising a base arranged on the lower end of each of a front wall (13) and a rear wall (14), which base is formed by means of a base fold (4) which is connected by seams (1, 2, 7, 8, 9, 10) to the front wall on the front side (13) and to the rear wall (14) on the rear side, a folded edge (3) of the base fold (4), in a filled state of the self-standing bag, extending from a first corner of the base to a diagonally, in particular diametrically, opposite second corner of the base, characterised in that the self-standing bag comprises two side folds (15, 16).
- Self-standing bag according to claim 1, characterised in that one of the side folds is part of a film strip forming the front wall, while the other of the side folds is part of a film strip forming the rear wall, and/or in that in particular the side folds (15, 16) are formed by moving the front wall (13) and the rear wall (14) relative to one another, preferably in the direction (F, G) of the planar extension thereof.
- Self-standing bag according to any of the preceding claims, characterised by a connecting line that connects third and fourth mutually diametrically opposite corners of the base and that intersects the folded edge (3) of the base and is shorter than said folded edge.
- Self-standing bag according to any of the preceding claims, characterised in that, in the assembled state and projected onto the plane of the planar extension of the self-standing bag, the seam (7, 10) that forms a shorter side edge of the base forms a larger angle with the folded edge (3) than the seam (8, 9) that forms a longer side edge of the base.
- Self-standing bag according to any of the preceding claims, characterised in that the side folds (15, 16) at the lower end thereof relative to the folded edge (3) are each arranged completely on one side of the base fold and are each connected at the lower end thereof to the seam (7, 10) that forms a shorter side edge of the base.
- Self-standing bag according to any of the preceding claims, characterised in that at least two, preferably four outer longitudinal edges of the side folds (15, 16), which edges extend from the base towards the upper end of the self-standing bag, are sealed.
- Self-standing bag according to any of the preceding claims, characterised in that the inner edge (12') of the (particular) side fold (15, 16), in the folded-up state thereof, ends in a bend (20) of the seam (7) provided to form a base edge or intersects said seam.
- Self-standing bag according to any of the preceding claims, characterised in that, in the folded-up state, a seam (8) of the self-standing bag forming a side edge on the front side extends obliquely over the entire width of the self-standing bag.
- Self-standing bag according to any of the preceding claims, characterised in that the walls thereof are formed at least substantially by a single-layer or multi-layer plastics, paper or plastics-paper composite film.
- Self-standing bag according to claim 9, characterised in that it further comprises a barrier layer.
- Method for producing a self-standing bag according to any of the preceding claims, characterised in that, after two longitudinal seams (1, 2, 7, 8, 9, 10) that determine the base contour have been produced, the side folds (15, 16) are made by moving the front wall (13) and the rear wall (14) relative to one another in the direction (F, G) of the planar extension thereof.
- Method according to claim 11, characterised in that the front wall and the rear wall (13, 14) are moved relative to one another to the extent that the corners of the base, by folding the seam (7, 10) that connects said corners, are arranged on a side of the folded-up bag that is in particular designed as a longitudinal side.
- Method according to either claim 11 or claim 12, characterised in that the inner edge (12') of the side fold for supporting the bending movement is pretreated.
- Method according to any of claims 11 to 13, characterised in that, after the side folds (15, 16) have been produced, the outer longitudinal edge thereof that remains unsealed is stiffened.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE202014105515.0U DE202014105515U1 (en) | 2014-11-17 | 2014-11-17 | Stand-up pouches |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3020653A1 EP3020653A1 (en) | 2016-05-18 |
EP3020653B1 true EP3020653B1 (en) | 2017-08-23 |
Family
ID=54557203
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP15003233.2A Active EP3020653B1 (en) | 2014-11-17 | 2015-11-13 | Self-standing bag |
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EP (1) | EP3020653B1 (en) |
DE (1) | DE202014105515U1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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USD983047S1 (en) | 2021-05-19 | 2023-04-11 | S. C. Johnson & Son, Inc. | Storage bag |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2603026B1 (en) | 1986-08-21 | 1989-08-18 | Castel Jean Claude | IMPROVED PROCESS FOR THE PRODUCTION OF FLEXIBLE CONTAINERS OR CONTAINERS OF VARIOUS FORMS |
DE3844110C1 (en) * | 1988-12-28 | 1990-08-23 | Real-Pack Entwicklungs- Und Verpackungstechnik Gmbh, 6080 Gross-Gerau, De | |
US20070257093A1 (en) * | 2006-05-03 | 2007-11-08 | Lott James E | Foldable container |
DE202013103978U1 (en) | 2013-09-04 | 2013-09-18 | Martin Renken | Stand-up pouches |
-
2014
- 2014-11-17 DE DE202014105515.0U patent/DE202014105515U1/en active Active
-
2015
- 2015-11-13 EP EP15003233.2A patent/EP3020653B1/en active Active
Non-Patent Citations (1)
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EP3020653A1 (en) | 2016-05-18 |
DE202014105515U1 (en) | 2016-02-22 |
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