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EP1195332A2 - Gusseted bag made of weldable flexible material - Google Patents

Gusseted bag made of weldable flexible material Download PDF

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Publication number
EP1195332A2
EP1195332A2 EP01112644A EP01112644A EP1195332A2 EP 1195332 A2 EP1195332 A2 EP 1195332A2 EP 01112644 A EP01112644 A EP 01112644A EP 01112644 A EP01112644 A EP 01112644A EP 1195332 A2 EP1195332 A2 EP 1195332A2
Authority
EP
European Patent Office
Prior art keywords
bag
side gusset
gusset
bag according
gussets
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.)
Granted
Application number
EP01112644A
Other languages
German (de)
French (fr)
Other versions
EP1195332A3 (en
EP1195332B1 (en
Inventor
Rolf Dewert
Johannes Wedi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bischof and Klein SE and Co KG
Original Assignee
Bischof and Klein SE and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bischof and Klein SE and Co KG filed Critical Bischof and Klein SE and Co KG
Publication of EP1195332A2 publication Critical patent/EP1195332A2/en
Publication of EP1195332A3 publication Critical patent/EP1195332A3/en
Application granted granted Critical
Publication of EP1195332B1 publication Critical patent/EP1195332B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • 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
    • B65D33/2516—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 comprising tamper-indicating means, e.g. located within the fastener
    • B65D33/2533—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 comprising tamper-indicating means, e.g. located within the fastener the slide fastener being located between the product compartment and the tamper indicating means
    • 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

Definitions

  • the invention relates to a gusseted bag made of flexible weldable material, with a closed bottom end and one with an internal resealer provided head end, with the between the two the bag front wall and the bag back wall forming side gussets inlaid on both sides extend from the bottom end to the head end and with one Distance below the top edge of the bag walls ends and thereby a side wrinkle-free head area of the Define the bag in which the resealer is formed between the two bag walls.
  • the invention has for its object a gusseted bag to create the type specified at the beginning the simple way in the course of the bag production under Avoiding an increased cost of materials a closure the upper ends of the gussets is formed, which at the same time no adverse influence on the filling and Emptying properties of the bag increases.
  • the welding of the upper gusset ends with itself itself can depend on the nature of the material the bag in a simple manner by attaching a closure weld preferably in the area of the upper, possibly cut edges sloping towards the bottom Side gusset ends occur between their two layers of material, or it becomes an upper area of the ends of the gussets on one of the two halves of each gusset folded over, and the welding of the gusseted end with itself with the folded end and the adjacent gusset half formed.
  • the arrangement of the reclosure device in the gusset-free allows for its easy Attachment e.g. through a welding process in the manufacturing process of the bag.
  • the reclosure facility can therefore e.g. in the form of snap fastener tapes made of thermoplastic in the of flat bags familiar way on the inside of the bag be attached.
  • Such press fastener tapes with tongue and groove in mutual locking engagement bringable locking members are known per se.
  • the reclosure device can, however, also be used for bags be formed by fastener tapes, which are called Velcro fastener tapes or designed as a slide or zipper are.
  • a reclosure device that of one that extends across the bag width, on the inside of the bag front wall and / or the strip applied to the back of the bag permanent adhesive or pressure sensitive adhesive formed is.
  • This freedom of choice in the design of the reclosure device is with the bag according to the invention given that the reclosing device completely regardless of the closure of the upper gusset ends arranged in the gusset-free head area of the bag is.
  • the gusseted bag shown in the drawing can as a plastic bag of film material made of thermoplastic Plastic, especially a polyolefin like Polyethylene or polypropylene, or as a composite bag from be formed from a composite material that at least its inside allows welding Layer of thermoplastic wears while one or more layers adjoining the outside a metal foil of the composite material as an intermediate layer, e.g. Aluminum foil, for the aroma tightness of the bag can have.
  • thermoplastic Plastic especially a polyolefin like Polyethylene or polypropylene
  • the bag shown includes a closed one Bottom end 1 and a head end 2, which is empty of the bag according to FIG. 2 is open at the top and only after filling the bag in the filling mode along the upper edge 3 of the bag walls 4 and 5 by a Weld 6 is closed, as in the filled 1 comes to the illustration.
  • the bag wall 4 forms the bag front wall, while the Bag wall 5 forms the back wall of the bag.
  • gussets 7 inserted on both sides, which are from the bottom end 1 extend towards the head end 2 and at a distance below the upper edge 3 or the weld 6 of the bag ends.
  • the bag walls 4 and 5 is thus a gusset-free Head area 8 of the bag created.
  • the head area 8 there is a reclosing device 9 formed between the two bag walls 4, 5, which at the example shown two over the bag width extending closure straps 10, one of which on the bag front wall 4 and the other on the bag rear wall 5 attached by welding or heat sealing is.
  • the fastener tapes 10 are, for example as congruent snap fastener tapes with in the manner of Tongue and groove can be brought into mutual locking engagement Locking members 11 formed.
  • the reclosure facility 9 is removed by the consumer after a disconnection the weld 6 used.
  • the gussets 7 include on both sides of their middle Folded edge 12 each two side fold halves 13 and 14, the along side welds 15, 16 with the bag front wall 4 or the bag rear wall 5 are connected. In the head region 8, the weld seams 15, 16 settle on both sides in each case as a weld seam 20.
  • the empty state 2 are the two side gusset halves 13, 14 each gusset 7 slightly V-shaped flat against each other while they are filled 1 opened by flat spreading to the outside are around the filled bag in its filling area to give an approximately parallelepipedal shape.
  • the upper end region 17 is the Side folds 7 folded along a fold line 19, the from the outer edge defined by the side weld 15 the gusset half 13 goes out and to the bottom end 1 runs obliquely.
  • the folded end region 17 each gusset 7 has the shape of a right-angled Triangle, the hypotenuse according to the angle of inclination the folding line 19 more or less obliquely to the bottom end 1 is directed.
  • the closed bottom end 1 can have any configuration received according to the purpose of the bag and for example the flat one shown in FIG. 1 End weld 21 have.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bag Frames (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
  • Professional, Industrial, Or Sporting Protective Garments (AREA)
  • Materials For Medical Uses (AREA)
  • Packages (AREA)
  • Purses, Travelling Bags, Baskets, Or Suitcases (AREA)

Abstract

Es wird ein Seitenfaltenbeutel aus flexiblem schweißbarem Material, mit einem geschlossenen Bodenende (1) und einem mit einer innenseitigen Wiederverschlußeinrichtung (9) versehenen Kopfende (2) beschrieben, wobei sich die zwischen den beiden die Beutelvorderwand und die Beutelrückwand bildenden Beutelwänden (4, 5) beidseits eingelegten Seitenfalten (7) vom Bodenende (1) zum Kopfende (2) hin erstrecken und mit einem Abstand unterhalb der oberen Randkanten (3) der Beutelwände (4, 5) enden und dadurch einen seitenfaltenfreien Kopfbereich (8) des Beutels definieren, in dem die Wiederverschlußeinrichtung (9) zwischen den beiden Beutelwänden (4, 5) gebildet ist. Die oberen Enden (7a) der Seitenfalten (7) sind durch eine Verschweißung mit sich selbst verschlossen und ragen unterhalb der Wiederverschlußeinrichtung (9) frei in den Innenraum des Beutels hinein (Fig. 1).

Figure 00000001
A gusseted bag made of flexible, weldable material is described, with a closed bottom end (1) and a head end (2) provided with an internal reclosure device (9), the bag walls (4, 5) forming the bag front wall and the bag rear wall being formed between the two Side gussets (7) inserted on both sides extend from the bottom end (1) to the head end (2) and end at a distance below the upper edge edges (3) of the bag walls (4, 5) and thereby define a gusset-free head area (8) of the bag, in which the reclosing device (9) is formed between the two bag walls (4, 5). The upper ends (7a) of the side gussets (7) are sealed to themselves by welding and project freely below the reclosure device (9) into the interior of the bag (FIG. 1).
Figure 00000001

Description

Die Erfindung betrifft einen Seitenfaltenbeutel aus flexiblem schweißbarem Material, mit einem geschlossenen Bodenende und einem mit einer innenseitigen Wiederverschlußeinrichtung versehenen Kopfende, wobei sich die zwischen den beiden die Beutelvorderwand und die Beutelrückwand bildenden Beutelwänden beidseits eingelegten Seitenfalten vom Bodenende zum Kopfende hin erstrecken und mit einem Abstand unterhalb der oberen Randkanten der Beutelwände enden und dadurch einen seitenfaltenfreien Kopfbereich des Beutels definieren, in dem die Wiederverschlußeinrichtung zwischen den beiden Beutelwänden gebildet ist.The invention relates to a gusseted bag made of flexible weldable material, with a closed bottom end and one with an internal resealer provided head end, with the between the two the bag front wall and the bag back wall forming side gussets inlaid on both sides extend from the bottom end to the head end and with one Distance below the top edge of the bag walls ends and thereby a side wrinkle-free head area of the Define the bag in which the resealer is formed between the two bag walls.

Seitenfaltenbeutel dieser Art werden zum Verpacken verschiedenartiger stückiger, körniger oder pulveriger Füllgüter verwendet, die, nach dem Entfernen eines vom Füllgutbetrieb im äußeren Randbereich des Kopfendes des Beutels angebrachten Beutelendverschlusses, z.B. einer Schweißnaht, üblicherweise portionsweise entnommen werden. Die Wiederverschlußeinrichtung, z.B. in Form eines Druckleistenverschlusses, ermöglicht es dabei dem Verbraucher, den Beutel nach jeder Füllgutentnahme wieder zu verschließen bzw. für eine Füllgutentnahme erneut zu öffnen.Side gusset bags of this type are used for packaging in various ways lumpy, granular or powdery filling goods used, after removing one from the filling company in the outer edge area of the head end of the bag attached bag end closure, e.g. one Weld seam, usually taken in portions. The resealer, e.g. in the form of a pressure bar closure, enables the consumer to close the bag after each filling or to open it again to remove the product.

In der Regel ist es dabei erwünscht, den Wiederverschluß des Beutels aromadicht auszuführen, damit die Qualität des Füllgutes erhalten bleibt. Aus diesem Grunde ist es erforderlich, für die oberen Enden der Seitenfalten ihrerseits einen dichten Verschluß vorzusehen, so daß bei den bekannten Seitenfaltenbeuteln der hier in Rede stehenden Art die oberen Enden der Seitenfalten im Zuge der Beutelherstellung mit verschlossen werden.As a rule, it is desirable to re-close it of the bag aroma-tight, so that the quality of the Filled goods are preserved. For this reason, it is necessary for the upper ends of the gussets in turn to provide a tight closure, so that in the known Gusseted bags of the type in question here the top ends of the gussets in the course of bag making be closed with.

Dies erfolgt bei einem bekannten Seitenfaltenbeutel der eingangs angegebenen Art dadurch, daß die oberen Enden der Seitenfalten unterhalb der Wiederverschlußeinrichtung von einem gesondert angeschweißten Dichtband verschlossen werden, das zugleich das jeweilige Seitenfaltenende an einer der beiden Beutelwände bei der Verschweißung festlegt. Solche Schweißverbindungen lassen sich zwar vom Beutelmaterial und dem Material der Dichtbänder her ohne weiteres durchführen, da diese Materialien in der Regel, zumindest an ihren miteinander zu verbindenden Flächen, aus gut miteinander verschweißbaren thermoplastischen Kunststoffmaterialien bestehen, jedoch bedingt die Verwendung gesonderter Dichtbänder einen erhöhten Materialaufwand, der die Gestehungskosten eines Massenrartikels, wie der hier in Rede stehenden Seitenfaltenbeutel, ungünstig beeinflußt. Zudem bedeutet der Umstand, daß die Dichtbänder die oberen Enden der Seitenfalten bei der Herstellung der Schweißverbindung an der betreffenden Beutelwand festlegen, eine Verengung der Füllöffnung des Beutels, die sich sowohl bei der maschinellen Befüllung des Beutels im Füllbetrieb hinsichtlich der Füllgeschwindigkeit als auch für den Verbraucher hinsichtlich einer vollständigen Entleerung des Beutels nachteilig auswirkt.This takes place in a known gusseted bag type specified in that the upper ends of the Gussets below the reclosure device of be sealed with a separately welded sealing tape, that at the same time the respective gusset end on one of the two bag walls when welding. Such welded joints can be made from the bag material and the material of the sealing tapes forth easily perform because these materials usually, at least on their surfaces to be connected, from good weldable thermoplastic materials exist, but requires the use of separate Sealing tapes an increased cost of materials, which the Production costs of a mass article, like the one here in Side gusset bags in question, adversely affected. In addition, the fact that the sealing tapes the upper Ends of the gussets when making the weld fix it on the relevant bag wall, one Narrowing of the filling opening of the bag, which can be found both at the mechanical filling of the bag in the filling operation with regard to the filling speed as well as for the consumer with regard to a complete emptying of the Bag affects adversely.

Der Erfindung liegt die Aufgabe zugrunde, einen Seitenfaltenbeutel der eingangs angegebenen Art zu schaffen, bei dem auf einfache Weise im Zuge der Beutelherstellung unter Vermeidung eines erhöhten Materialaufwandes ein Verschluß der oberen Enden der Seitenfalten gebildet ist, der zugleich keinen nachteiligen Einfluß auf die Befüllungs- und Entleerungseigenschaften des Beutels nimmt. The invention has for its object a gusseted bag to create the type specified at the beginning the simple way in the course of the bag production under Avoiding an increased cost of materials a closure the upper ends of the gussets is formed, which at the same time no adverse influence on the filling and Emptying properties of the bag increases.

Diese Aufgabe wird nach der Erfindung dadurch gelöst, daß die oberen Enden der Seitenfalten durch eine Verschweißung mit sich selbst verschlossen sind und unterhalb der Wiederverschlußeinrichtung frei in den Innenraum des Beutels hineinragen.This object is achieved according to the invention in that the upper ends of the gussets by welding are closed with themselves and below the reclosure device freely in the interior of the bag protrude.

Durch eine nach der Erfindung im Zuge der Beutelherstellung einfach durchzuführende Verschweißung der oberen Enden der Seitenfalten mit sich selbst wird ein erhöhter Materialaufwand bei der Beutelherstellung, wie ihn die bekannten Dichtbänder bedingen, vermieden, während aufgrund des Umstands, daß die verschlossenen Seitenfaltenenden unterhalb der Wiederverschlußeinrichtung frei in den Innenraum des Beutels hineinragen, eine nachteilige Verengung der Füllöffnung des Beutels, die zugleich die Entleerungsöffnung des Beutels für den Verbraucher darstellt, ihrerseits vermieden ist. Es ist somit im Füllbetrieb eine gleichmäßige schnelle Befüllung des Beutels möglich, da das Füllgut an beiden Seiten der an ihren oberen Enden freistehenden Seitenfalten in den Beutel hineinrieselt. Damit einher geht bei der Befüllung und bei ansteigendem Füllgutspiegel eine optimale Öffnung der Seitenfalten durch Flachspreizen nach außen. Auf der Verbraucherseite erweisen sich die freistehenden Seitenfaltenenden ihrerseits als günstig, da hierdurch im Öffnungsbereich Ecken im Beutelinneren vermieden werden, die bei der Entleerung des Füllgutes Restmengen im Beutel zurückhalten würden.By one according to the invention in the course of bag manufacturing easy to weld the top The ends of the gussets with themselves will be elevated Material expenditure in the manufacture of bags, as known Avoid sealing tapes, while due the fact that the closed gusset ends below the reclosing device freely in the interior of the bag protrude, an adverse narrowing the filling opening of the bag, which is also the emptying opening of the bag for the consumer in turn is avoided. It is therefore a filling mode even, quick filling of the bag possible because the contents on both sides of the at their upper ends free-standing gussets trickle into the bag. This goes along with the filling and with increasing Filling level an optimal opening of the side folds by spreading outwards. On the consumer side the free-standing gusset ends turn out to be theirs as cheap, because this makes corners in the opening area inside the bag to be avoided when emptying of the contents would retain residual quantities in the bag.

Die Verschweißung der oberen Seitenfaltenenden mit sich selbst kann in Abhängigkeit von der Materialbeschaffenheit des Beutels auf einfache Weise durch Anbringung einer Verschlußschweißnaht vorzugsweise im Bereich der oberen, ggf. zum Bodenende hin schräg verlaufenden Schnittkanten der Seitenfaltenenden zwischen deren beiden Materiallagen erfolgen, oder es wird ein oberer Bereich der Enden der Seitenfalten auf eine der beiden Hälften jeder Seitenfalte umgefaltet, und die Verschweißung des Seitenfaltenendes mit sich selbst wird mit dem umgefalteten Endbereich und der angrenzenden Seitenfaltenhälfte gebildet. Dabei kann der obere Endbereich der Seitenfalten entlang einer vom Außenrand der Seitenfaltenhälfte ausgehenden, zum Bodenende hin schräg verlaufenden Faltlinie umgefaltet sein, derart, daß der umgefaltete Endbereich die Form eines rechtwinkligen Dreiecks mit schräg zum Beutelinneren gerichteter Hypotenuse aufweist.The welding of the upper gusset ends with itself itself can depend on the nature of the material the bag in a simple manner by attaching a closure weld preferably in the area of the upper, possibly cut edges sloping towards the bottom Side gusset ends occur between their two layers of material, or it becomes an upper area of the ends of the gussets on one of the two halves of each gusset folded over, and the welding of the gusseted end with itself with the folded end and the adjacent gusset half formed. It can the upper end portion of the gussets along one of the The outer edge of the gusseted half goes out to the bottom end be folded over at an inclined fold line, such that that the folded end portion has the shape of a right angle Triangle with angled towards the inside of the bag Hypotenuse has.

Die Anordnung der Wiederverschlußeinrichtung im seitenfaltenfreien Kopfbereich des Beutels ermöglicht ihre einfache Anbringung z.B. durch einen Schweißvorgang im Herstellungsprozeß des Beutels. Die Wiederverschlußeinrichtung kann daher z.B. in Form von Druckverschlußbändern aus thermoplastischem Kunststoff in der von Flachbeuteln her gewohnten einfachen Weise an den Innenseiten des Beutels angebracht werden. Solche Druckverschlußbänder mit nach Art von Nut und Feder in gegenseitigen Verschlußeingriff bringbaren Verriegelungsgliedern sind an sich bekannt. Im Rahmen der erfindungsgemäßen Ausgestaltung des Beutels kann die Wiederverschlußeinrichtung jedoch auch von Verschlußbändern gebildet sein, die als Klettverschlußbänder oder als Gleit- oder Reißverschluß ausgebildet sind. Ferner ist es im Rahmen der Erfindung genausogut möglich, eine Wiederverschlußeinrichtung zu wählen, die von einem sich über die Beutelbreite erstreckenden, auf der Innenseite der Beutelvorderwand und/oder der Beutelrückwand aufgetragenen Streifen eines dauernd klebfähigen Klebstoffes bzw. Haftklebers gebildet ist. Diese Wahlfreiheit in der Ausgestaltung der Wiederverschlußeinrichtung ist bei dem erfindungsgemäßen Beutel dadurch gegeben, daß die Wiederverschlußeinrichtung völlig unabhängig von dem Verschluß der oberen Seitenfaltenenden im seitenfaltenfreien Kopfbereich des Beutels angeordnet ist. The arrangement of the reclosure device in the gusset-free The head area of the bag allows for its easy Attachment e.g. through a welding process in the manufacturing process of the bag. The reclosure facility can therefore e.g. in the form of snap fastener tapes made of thermoplastic in the of flat bags familiar way on the inside of the bag be attached. Such press fastener tapes with tongue and groove in mutual locking engagement bringable locking members are known per se. Within the scope of the configuration of the The reclosure device can, however, also be used for bags be formed by fastener tapes, which are called Velcro fastener tapes or designed as a slide or zipper are. Furthermore, it is just as well within the scope of the invention possible to choose a reclosure device, that of one that extends across the bag width, on the inside of the bag front wall and / or the strip applied to the back of the bag permanent adhesive or pressure sensitive adhesive formed is. This freedom of choice in the design of the reclosure device is with the bag according to the invention given that the reclosing device completely regardless of the closure of the upper gusset ends arranged in the gusset-free head area of the bag is.

Weitere Merkmale und Vorteile der Erfindung ergeben sich aus den Ansprüchen und der nachstehenden Beschreibung in Verbindung mit der Zeichnung, in der ein Ausführungsbeispiel des Gegenstands der Erfindung schematisch veranschaulicht ist. In der Zeichnung zeigt:

Fig. 1
eine perspektivische Darstellung eines gefüllten Seitenfaltenbeutels nach der Erfindung und
Fig. 2
eine Vorderansicht des oberen Bereichs eines erfindungsgemäßen Seitenfaltenbeutels im Leerzustand mit teilweise herausgebrochener Beutelvorderwand.
Further features and advantages of the invention result from the claims and the following description in conjunction with the drawing, in which an embodiment of the object of the invention is illustrated schematically. The drawing shows:
Fig. 1
a perspective view of a filled gusseted bag according to the invention and
Fig. 2
a front view of the upper region of a gusseted bag according to the invention in the empty state with the bag front wall partially broken away.

Der in der Zeichnung dargestellte Seitenfaltenbeutel kann als Kunststoffbeutel von Folienmaterial aus thermoplastischem Kunststoff, insbesondere einem Polyolefin wie Polyethylen oder Polypropylen, oder als Verbundbeutel von einem Verbundmaterial gebildet sein, das zumindest auf seiner Innenseite eine Verschweißungen ermöglichende Schicht aus thermoplastischem Kunststoff trägt, während eine oder mehrere sich nach außen anschließende Schichten des Verbundmaterials als Zwischenschicht eine Metallfolie, z.B. Aluminiumfolie, für die Aromadichtigkeit des Beutels aufweisen können.The gusseted bag shown in the drawing can as a plastic bag of film material made of thermoplastic Plastic, especially a polyolefin like Polyethylene or polypropylene, or as a composite bag from be formed from a composite material that at least its inside allows welding Layer of thermoplastic wears while one or more layers adjoining the outside a metal foil of the composite material as an intermediate layer, e.g. Aluminum foil, for the aroma tightness of the bag can have.

Im einzelnen umfaßt der dargestellte Beutel ein geschlossenes Bodenende 1 und ein Kopfende 2, das im Leerzustand des Beutels gemäß Fig. 2 oben offen ist und erst nach der Befüllung des Beutels im Füllbetrieb entlang den oberen Randkanten 3 der Beutelwände 4 und 5 durch eine Schweißnaht 6 verschlossen wird, wie sie bei dem gefüllten Beutel gemäß Fig. 1 zur Darstellung kommt.In particular, the bag shown includes a closed one Bottom end 1 and a head end 2, which is empty of the bag according to FIG. 2 is open at the top and only after filling the bag in the filling mode along the upper edge 3 of the bag walls 4 and 5 by a Weld 6 is closed, as in the filled 1 comes to the illustration.

Die Beutelwand 4 bildet die Beutelvorderwand, während die Beutelwand 5 die Beutelrückwand bildet. Zwischen diesen sind beidseits Seitenfalten 7 eingelegt, die sich vom Bodenende 1 zum Kopfende 2 hin erstrecken und mit einem Abstand unterhalb der oberen Randkanten 3 bzw. der Schweißnaht 6 des Beutels enden. Im Bereich zwischen den oberen Enden 7a der Seitenfalten 7 und den oberen Randkanten 3 der Beutelwände 4 und 5 ist damit ein seitenfaltenfreier Kopfbereich 8 des Beutels geschaffen.The bag wall 4 forms the bag front wall, while the Bag wall 5 forms the back wall of the bag. Between these are gussets 7 inserted on both sides, which are from the bottom end 1 extend towards the head end 2 and at a distance below the upper edge 3 or the weld 6 of the bag ends. In the area between the top Ends 7a of the gussets 7 and the upper edge 3 the bag walls 4 and 5 is thus a gusset-free Head area 8 of the bag created.

Im Kopfbereich 8 ist eine Wiederverschlußeinrichtung 9 zwischen den beiden Beutelwänden 4, 5 gebildet, die bei dem dargestellten Beispiel zwei sich über die Beutelbreite erstreckende Verschlußbänder 10 umfaßt, von denen das eine an der Beutelvorderwand 4 und das andere an der Beutelrückwand 5 durch Verschweißung bzw. Heißversiegelung befestigt ist. Die Verschlußbänder 10 sind beispielsweise als deckungsgleiche Druckverschlußbänder mit nach Art von Nut und Feder in gegenseitigen Verschlußeingriff bringbaren Verriegelungsgliedern 11 ausgebildet. Die Wiederverschlußeinrichtung 9 wird vom Verbraucher nach einem Abtrennen der Schweißnaht 6 genutzt.In the head area 8 there is a reclosing device 9 formed between the two bag walls 4, 5, which at the example shown two over the bag width extending closure straps 10, one of which on the bag front wall 4 and the other on the bag rear wall 5 attached by welding or heat sealing is. The fastener tapes 10 are, for example as congruent snap fastener tapes with in the manner of Tongue and groove can be brought into mutual locking engagement Locking members 11 formed. The reclosure facility 9 is removed by the consumer after a disconnection the weld 6 used.

Die Seitenfalten 7 umfassen beidseits ihrer mittleren Faltkante 12 jeweils zwei Seitenfaltenhälften 13 und 14, die entlang seitlichen Schweißnähten 15, 16 mit der Beutelvorderwand 4 bzw. der Beutelrückwand 5 verbunden sind. Im Kopfbereich 8 setzen sich die Schweißnähte 15, 16 beidseits jeweils als eine Schweißnaht 20 fort. Im Leerzustand des Beutels gemäß Fig. 2 liegen die beiden Seitenfaltenhälften 13, 14 jeder Seitenfalte 7 leicht V-förmig flach aneinander, während sie im gefüllten Zustand des Beutels gemäß Fig. 1 durch Flachspreizen nach außen geöffnet sind, um dem gefüllten Beutel in seinem Füllbereich eine annähernd parallelepipedische Form zu geben.The gussets 7 include on both sides of their middle Folded edge 12 each two side fold halves 13 and 14, the along side welds 15, 16 with the bag front wall 4 or the bag rear wall 5 are connected. In the head region 8, the weld seams 15, 16 settle on both sides in each case as a weld seam 20. In the empty state 2 are the two side gusset halves 13, 14 each gusset 7 slightly V-shaped flat against each other while they are filled 1 opened by flat spreading to the outside are around the filled bag in its filling area to give an approximately parallelepipedal shape.

Für einen endseitigen Verschluß der oberen Enden 7a der Seitenfalten 7 durch eine Verschweißung mit sich selbst, d.h. der von den beiden Seitenfaltenhälften 13, 14 gebildeten Materiallagen miteinander, ist ein oberer Bereich 17 der Seitenfaltenenden 7a auf eine der beiden Seitenfaltenhälften 13, 14, bei dem dargestellten Beispiel die Seitenfaltenhälfte 13, jeder Seitenfalte 7 umgefaltet. Die beiden Lagen des umgefalteten Endbereichs 17 sind durch eine entlang den oberen Schnittkanten der Seitenfaltenhälften 13, 14 verlaufende Schweißnaht 18 untereinander und mit der angrenzenden Innenseite der Seitenfaltenhälfte 13 fest verschweißt. Die auf diese Weise durch Verschweißung mit sich selbst endseitig verschlossenen Seitenfalten 7 erstrecken sich mit ihren umgefalteten oberen Endbereichen 17 unterhalb der Wiederverschlußeinrichtung 9 frei in den Innenraum des Beutels hinein.For an end closure of the upper ends 7a Gussets 7 by welding to themselves, i.e. that formed by the two gusset halves 13, 14 Material layers with one another is an upper region 17 the gusset ends 7a on one of the two gusset halves 13, 14, in the example shown the side gusset half 13, each gusset 7 folded over. The two Layers of the folded end region 17 are marked by a along the top cut edges of the gusset halves 13, 14 running weld seam 18 with each other and with the adjacent inside of the gusset half 13 firmly welded. The in this way by welding with self-sealed side gussets 7 extend with their folded-over upper end regions 17 below the reclosing device 9 freely in the Inside the bag.

Wie die Zeichnung zeigt, ist der obere Endbereich 17 der Seitenfalten 7 entlang einer Faltlinie 19 umgefaltet, die von dem von der seitlichen Schweißnaht 15 definierten Außenrand der Seitenfaltenhälfte 13 ausgeht und zum Bodenende 1 hin schräg verläuft. Der umgefaltete Endbereich 17 jeder Seitenfalte 7 hat dabei die Form eines rechtwinkligen Dreiecks, dessen Hypotenuse entsprechend dem Neigungswinkel der Faltlinie 19 mehr oder weniger schräg zum Bodenende 1 gerichtet ist. Diese Ausbildung erleichtert sowohl die Befüllung des Beutels im Füllbetrieb als auch seine restmengenfreie Entleerung durch den Verbraucher, stets unter Erhalt des endseitigen dichten Verschlusses der oberen Seitenfaltenenden 7a.As the drawing shows, the upper end region 17 is the Side folds 7 folded along a fold line 19, the from the outer edge defined by the side weld 15 the gusset half 13 goes out and to the bottom end 1 runs obliquely. The folded end region 17 each gusset 7 has the shape of a right-angled Triangle, the hypotenuse according to the angle of inclination the folding line 19 more or less obliquely to the bottom end 1 is directed. This training facilitates both the filling of the bag in the filling mode as well Residual-free emptying by the consumer, always maintaining the tight seal of the upper end Gusseted ends 7a.

Das geschlossene Bodenende 1 kann jede beliebige Ausgestaltung entsprechend dem Verwendungszweck des Beutels erhalten und beispielsweise die aus Fig. 1 ersichtliche flache Endabschweißung 21 aufweisen.The closed bottom end 1 can have any configuration received according to the purpose of the bag and for example the flat one shown in FIG. 1 End weld 21 have.

Claims (10)

Seitenfaltenbeutel aus flexiblem schweißbarem Material, mit einem geschlossenen Bodenende und einem mit einer innenseitigen Wiederverschlußeinrichtung versehenen Kopfende, wobei sich die zwischen den beiden die Beutelvorderwand und die Beutelrückwand bildenden Beutelwänden beidseits eingelegten Seitenfalten vom Bodenende zum Kopfende hin erstrecken und mit einem Abstand unterhalb der oberen Randkanten der Beutelwände enden und dadurch einen seitenfaltenfreien Kopfbereich des Beutels definieren, in dem die Wiederverschlußeinrichtung zwischen den beiden Beutelwänden gebildet ist, dadurch gekennzeichnet, daß die oberen Enden (7a) der Seitenfalten (7) durch eine Verschweißung mit sich selbst verschlossen sind und unterhalb der Wiederverschlußeinrichtung (9) frei in den Innenraum des Beutels hineinragen.Side gusset bags made of flexible weldable material, with a closed bottom end and a head end provided with an inside reclosing device, the side gussets inserted between the two front wall and back wall of the bag extending from the bottom end to the top end and at a distance below the upper edge of the Bag walls end and thereby define a gusset-free head region of the bag in which the reclosure device is formed between the two bag walls, characterized in that the upper ends (7a) of the side gussets (7) are sealed to themselves by welding and below the reclosure device ( 9) protrude freely into the interior of the bag. Seitenfaltenbeutel nach Anspruch 1, dadurch gekennzeichnet, daß die Verschweißung der oberen Seitenfaltenenden (7a) mit sich selbst von einer Verschlußschweißnaht zwischen den beiden Lagen des Seitenfaltenendes (7a) gebildet ist.Side gusset bag according to claim 1, characterized in that the welding of the upper side gusset ends (7a) to itself is formed by a sealing weld between the two layers of the side gusset end (7a). Seitenfaltenbeutel nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß ein oberer Bereich (17) der Enden (7a) der Seitenfalten (7) auf eine (13) der beiden Hälften (13,14) jeder Seitenfalte (7) umgefaltet und die Verschweißung des Seitenfaltenendes (7a) mit sich selbst mit dem umgefalteten Endbereich (17) und der angrenzenden Seitenfaltenhälfte (13) gebildet ist.Side gusset bag according to claim 1 or 2, characterized in that an upper region (17) of the ends (7a) of the side gussets (7) is folded over onto one (13) of the two halves (13, 14) of each side gusset (7) and the welding of the Side gusset end (7a) is formed with itself with the folded end region (17) and the adjacent side gusset half (13). Seitenfaltenbeutel nach Anspruch 3, dadurch gekennzeichnet, daß der obere Endbereich (17) der Seitenfalten (7) entlang einer vom Außenrand der Seitenfaltenhälfte (13) ausgehenden, zum Bodenende (1) hin schräg verlaufenden Faltlinie (19) umgefaltet ist.Side gusset bag according to claim 3, characterized in that the upper end region (17) of the side gussets (7) is folded over along a fold line (19) starting from the outer edge of the side gusset half (13) and sloping towards the bottom end (1). Seitenfaltenbeutel nach Anspruch 3 oder 4, dadurch gekennzeichnet, daß der umgefaltete Endbereich (17) die Form eines rechtwinkligen Dreiecks aufweist.Gusseted bag according to claim 3 or 4, characterized in that the folded end region (17) has the shape of a right-angled triangle. Seitenfaltenbeutel einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß die Wiederverschlußeinrichtung (9) von zwei sich über die Beutelbreite erstreckenden, in einen gegenseitigen Schließeingriff bringbaren Verschlußbändern (10) gebildet ist, von denen das eine an der Beutelvorderwand (4) und das andere an der Beutelrückwand (5) befestigt ist.Side-gusseted bag according to one of claims 1 to 5, characterized in that the reclosing device (9) is formed by two closing bands (10) which extend over the bag width and can be brought into mutual locking engagement, one of which is on the bag front wall (4) and the other is attached to the bag rear wall (5). Seitenfaltenbeutel nach Anspruch 6, dadurch gekennzeichnet, daß die Verschlußbänder (10) als Druckverschlußbänder mit nach Art von Nut und Feder in gegenseitigen Verschlußeingriff bringbaren Verriegelungsgliedern (11) ausgebildet sind.Side gusset bag according to claim 6, characterized in that the fastener tapes (10) are designed as snap fastener tapes with locking members (11) which can be brought into mutual locking engagement in the manner of tongue and groove. Seitenfaltenbeutel nach Anspruch 6, dadurch gekennzeichnet, daß die Verschlußbänder (10) als Klettverschlußbänder ausgebildet sind.Side gusset bag according to claim 6, characterized in that the fastener tapes (10) are designed as Velcro fastener tapes. Seitenfaltenbeutel nach Anspruch 6, dadurch gekennzeichnet, daß die Verschlußbänder (10) als Gleit- oder Reißverschluß ausgebildet sind.Gusseted bag according to claim 6, characterized in that the fastener tapes (10) are designed as slide or zip fasteners. Seitenfaltenbeutel nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß die Wiederverschlußeinrichtung (9) von einem sich über die Beutelbreite erstreckenden, auf der Innenseite der Beutelvorderwand (4) und/oder der Beutelrückwand (5) aufgetragenen Streifen eines dauernd klebfähigen Klebstoffes gebildet ist.Side gusset bag according to one of claims 1 to 5, characterized in that the reclosing device (9) is formed by a strip of a permanently adhesive adhesive which extends over the bag width and is applied to the inside of the bag front wall (4) and / or the bag rear wall (5) ,
EP01112644A 2000-10-06 2001-05-25 Gusseted bag made of weldable flexible material Expired - Lifetime EP1195332B1 (en)

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DE20017182U DE20017182U1 (en) 2000-10-06 2000-10-06 Gusseted bags made of flexible, weldable material
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BR0102302A (en) 2002-05-28
US6398412B2 (en) 2002-06-04
AU5412901A (en) 2002-04-11
CZ20013136A3 (en) 2002-08-14
JP3602475B2 (en) 2004-12-15
HU228407B1 (en) 2013-03-28
HU0104141D0 (en) 2001-12-28
CZ296355B6 (en) 2006-02-15
CA2350046C (en) 2007-09-11
CA2350046A1 (en) 2002-04-06
EP1195332A3 (en) 2002-06-05
HUP0104141A3 (en) 2002-06-28
US20010051008A1 (en) 2001-12-13
HUP0104141A2 (en) 2002-05-29
BR0102302B1 (en) 2012-09-04
ES2240276T3 (en) 2005-10-16
ATE294110T1 (en) 2005-05-15
DK1195332T3 (en) 2005-07-11
JP2002114232A (en) 2002-04-16
DE50106016D1 (en) 2005-06-02
AU782228B2 (en) 2005-07-14
DE20017182U1 (en) 2002-02-14
EP1195332B1 (en) 2005-04-27

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