EP0447636A1 - Recloseable package - Google Patents

Recloseable package Download PDF

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Publication number
EP0447636A1
EP0447636A1 EP90123651A EP90123651A EP0447636A1 EP 0447636 A1 EP0447636 A1 EP 0447636A1 EP 90123651 A EP90123651 A EP 90123651A EP 90123651 A EP90123651 A EP 90123651A EP 0447636 A1 EP0447636 A1 EP 0447636A1
Authority
EP
European Patent Office
Prior art keywords
film
sheet
packaging
punched
impermeable
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
EP90123651A
Other languages
German (de)
French (fr)
Other versions
EP0447636B1 (en
Inventor
Udo Wittenborn
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.)
Kloeckner Pentapack Zweigniederlassung der Kloeckner Pentaplast GmbH
RCP Ranstadt GmbH
Original Assignee
Kloeckner Pentapack GmbH
Kloeckner Pentapack Zweigniederlassung der Kloeckner Pentaplast GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kloeckner Pentapack GmbH, Kloeckner Pentapack Zweigniederlassung der Kloeckner Pentaplast GmbH filed Critical Kloeckner Pentapack GmbH
Priority to AT90123651T priority Critical patent/ATE102156T1/en
Publication of EP0447636A1 publication Critical patent/EP0447636A1/en
Application granted granted Critical
Publication of EP0447636B1 publication Critical patent/EP0447636B1/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
    • 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
    • B65D75/5827—Tear-lines provided in a wall portion
    • B65D75/5833—Tear-lines provided in a wall portion for tearing out a portion of the wall
    • B65D75/5838—Tear-lines provided in a wall portion for tearing out a portion of the wall combined with separate fixed tearing means, e.g. tabs
    • 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
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/08—Containers or packages with special means for dispensing contents for dispensing thin flat articles in succession
    • B65D83/0805—Containers or packages with special means for dispensing contents for dispensing thin flat articles in succession through an aperture in a wall

Definitions

  • the invention relates to a reclosable packaging for wet wipes or the like, made of a moisture-impermeable film, in the substantially flat top of which a tear line or a die cut is punched, which is covered by a larger flap, adhering to the material of the top, of the flap , the first end of which is permanently connected to the upper side by means of a weld or adhesive seam.
  • Such packaging made of a plastic film is known in principle from DE-A-28 00 165.
  • the packaging should be able to be closed again vapor-tight after each removal of a damp cloth, for which the sealing flap coated with a pressure sensitive adhesive is used. So that the pressure sensitive adhesive does not adhere to the top cloth, the material strip punched out of the top of the packaging to form the removal opening has not been removed. When the flap is pulled up, this strip of material sticks to it and covers the opening when it is closed again.
  • EP 0221 168 B1 proposes that the part punched to form the opening should not be completely punched out, but that one side of the removal opening, which forms the joint between the closure flap and the top of the pack, should not be punched in order to strip the material on this side to be made in one piece with the top of the pack. Due to this one-piece design, the material strip comes into better alignment with the removal opening even when it is reclosed.
  • an aluminum composite film as the moisture-impermeable film, the density of which is far greater than that of a polyethylene film.
  • an aluminum composite film disadvantageously occurs in the area of the punching, i.e. corrosion in the area of the tear line or the die cut, since the aluminum with the soaking liquid for the wipes, e.g. made of nonwoven, reacts.
  • Another disadvantage of the packaging consisting of plastic composite film is that it is not possible to pack goods with high perfume contents or alcohol (up to 40%) in such composite films, since the properties of the film do not form a satisfactory barrier layer for these liquids.
  • the moisture-impermeable film consists of an aluminum composite film and that a liquid-impermeable sheet is arranged between the flat top of the film and the wet wipes, which covers the tear lines of the die cut and in a significant manner extends the edges of the die cut, the area of the sheet being equal to or greater than the area of the closure flap.
  • the width and length of the insert sheet must in any case be smaller than the width and length of the closure flap, since this would no longer adhere to the surface of the package when the package was reclosed.
  • the skilled person is set narrow limits for the dimensioning of the plastic cutout when optimizing the known packaging. This also means that a high level of accuracy in the positioning of the plastic cutout must be maintained in the manufacture of the packaging.
  • the reclosable packaging according to the invention does not have these disadvantages and, moreover, it has the advantage that it is cheaper or easier to produce than packaging with a closed inner bag for holding the wet wipes, and the accessibility of the wipes allows it without great effort.
  • the tear line or punching is covered by a sheet of a plastic film or an aluminum composite film, the dimensions of the insert sheet being chosen such that it generously overlaps the tear line or punching. Due to the degree of filling of the packaging with the cloths, the sheet is pressed against the inside of the packaging film, so that no liquid can penetrate into the area of the punchings. This avoids liquid leaks from the punch holes and corrosion of the aluminum composite film used as the packaging sleeve.
  • an even higher level of tightness can be achieved if the sheet between the damp cloths and the flat inside of the film is permanently connected to the underside of the film in the region of its edge zones and has an opening (punched-out) for removing the wet cloths is smaller than the outline given by the tear line or the die cut.
  • a cover flap is also pulled off along the stamped portion, which at the same time exposes the removal opening of the sheet.
  • the packaging consists of a moisture-impermeable plastic-aluminum composite film, the ends of which are connected by means of weld seams 1 and 2 in a manner known from the prior art.
  • an opening is provided, through which the contents forming the packaging can be removed.
  • a removal opening 4 is used, which can be opened and closed again by means of a closure flap 5.
  • the closure flap 5 is coated with a pressure-sensitive adhesive 6 and welded along its narrow side by means of a weld seam 7 on the upper side 3.
  • a handle tongue 8 not coated with adhesive is provided on the opposite narrow side.
  • the closure flap 5 is larger in outline than the removal opening 4, to which it is arranged centrally, so that the closure flap 5 overlaps the edge of the removal opening 4 on all sides and thus seals in the closed state.
  • the removal opening 4 is punched, but the punched-out part has not been removed and can come into contact again when the closure flap is closed and thus covers the top cloth in each case as a covering tongue 9.
  • perforation lines can also be provided in the upper side 3, but the area facing the grip tongue 8 is fully punched out so that the cover tongue 9 adheres to the closure flap 5 when opened.
  • the cover tongue 9 is not punched at its end opposite the grip tongue 8, but is here connected in one piece to the material of the upper side 3.
  • the ends of the legs 10, 11 of the punching or perforation thus end blind.
  • This one-piece arrangement ensures that when closing the covering tongue comes to lie exactly over the opening 4, that is to say completely covers the opening 4.
  • the legs 10, 11 of the punching lines end at or in the weld seam 7, the stiffening or reinforcement takes place, thereby preventing tearing when opening.
  • the ends of these punch legs 10, 11 can end in arches 12, 13 directed outwards to the side, thus preventing tearing due to the notch effect (see FIGS. 4, 5).
  • These sheets 12, 13 can also be directed inwards without the punch leg ends touching.
  • the weld seam 7 is stepped, i.e. there are two lateral areas 7a offset from the central area, each provided on both sides of the cover flap 9, each also offset from the ends of the punch legs 10, 11.
  • the closure flap 5 and thus the cover flap 9 adhering to it can only be destroyed without destruction Pull off the offset weld seam areas 7a so that the ends of the punch legs 10, 11 are completely relieved of tension.
  • the same mode of action that is to say a strain relief for the ends of the punch leg, is also achieved with the curved arrangement of the weld seam 7 according to FIG. 7; here, too, the train is caught by the offset lateral areas 7b when the closure flap 5 is opened.
  • an adhesive seam or an adhesive strip can in principle also be provided, the adhesive connection along this seam being significantly stronger than the adhesion to the edge regions 14 between the closure flap 5 and the top side 3.
  • FIGS. 8 and 9 Such embodiments are shown in FIGS. 8 and 9, in which the adhesive seam 7c between the closure flap 5 and the upper side 3 is relatively wide.
  • the punch legs 10, 11 extend into this adhesive seam 7c.
  • the packaging can also be simplified in that the separate weld 7 or adhesive seam 7c between the flap 5 and the top of the pack 3 is completely omitted, provided that only the two punch legs 10, 11 each run out in an arc 12, 13. If these arches 12, 13 are reached when the closure flap 5 is pulled off for the first time and each time it is pulled further, the tensile resistance increases by leaps and bounds, thus ending the process of opening in practical use.
  • the invention consists in inserting a liquid-impermeable sheet 16 between the stack of non-woven cloths 19 and the inside of the top of the packaging 3, as shown in FIG. 2 or FIG. 9.
  • This sheet has a larger outline than that specified by the removal opening 4 and is dimensioned such that its dimensions are equal to or larger than the dimensions of the closure flap 5.
  • the sheet can either be inserted loosely or, as indicated in FIG. 11, be glued to the underside of the upper side 3 in the edge regions 17a. However, this sheet 17 then has a removal opening 18 through which the cloths 19 can be removed after the tab 9 has been pulled off.
  • the sheets 16 or 17 can either consist of a polyethylene film or an aluminum composite film. In any case, the interposition of the sheets 16 and 17 ensures that the punching lines 10, 11 are covered with respect to the sheets 19 and thus no moisture emitted by the sheets can penetrate in this area. This prevents premature loss of moisture and corrosion in the area of the punching.

Abstract

In reclosable packages for moist cloths, consisting of a plastic film (3) with a punched-out portion on the upper side, in order to avoid loss of moisture in the region of the punched-out portion or corrosion when using composite aluminium foil, it is proposed to arrange a sheet (16, 17) which is impermeable to liquid between the flat upper side of the film and the moist cloths, covering the tear-open line or the punch cut (10, 11) and extending significantly beyond the edges of the punch cut. <IMAGE>

Description

Die Erfindung betrifft eine wiederverschließbare Verpackung für feuchte Tücher oder dergleichen, aus einer feuchtigkeitsundurchlässigen Folie, in deren im wesentlichen flache Oberseite eine Aufreißlinie bzw. ein Stanzschnitt eingestanzt ist, die/der überdeckt ist von einer im Umriß größeren, auf dem Material der Oberseite haftenden Verschlußklappe, deren erstes Ende mittels einer Schweiß- oder Klebenaht unlösbar mit der Oberseite verbunden ist.The invention relates to a reclosable packaging for wet wipes or the like, made of a moisture-impermeable film, in the substantially flat top of which a tear line or a die cut is punched, which is covered by a larger flap, adhering to the material of the top, of the flap , the first end of which is permanently connected to the upper side by means of a weld or adhesive seam.

Eine derartige Verpackung aus einer Plastikfolie ist im Prinzip aus der DE-A-28 00 165 bekannt. Die Verpackung soll nach jeder Entnahme eines feuchten Tuchs wieder dampfdicht verschließbar sein, wozu die mit einem Haftkleber beschichtete Verschlußklappe dient. Damit der Haftkleber nicht an dem jeweils oberen Tuch anhaftet, ist der zur Bildung der Entnahmeöffnung aus der Oberseite der Verpackung ausgestanzte Materialstreifen nicht entfernt. Beim Hochziehen der Verschlußklappe bleibt dieser Materialstreifen somit an diesem haften und deckt beim erneuten Verschließen die Öffnung wieder ab.Such packaging made of a plastic film is known in principle from DE-A-28 00 165. The packaging should be able to be closed again vapor-tight after each removal of a damp cloth, for which the sealing flap coated with a pressure sensitive adhesive is used. So that the pressure sensitive adhesive does not adhere to the top cloth, the material strip punched out of the top of the packaging to form the removal opening has not been removed. When the flap is pulled up, this strip of material sticks to it and covers the opening when it is closed again.

Darüber hinaus wird in der EP 0221 168 B1 vorgeschlagen, den zur Bildung der Öffnung gestanzten Teil nicht völlig ausgestanzt zu gestalten, sondern die eine Seite der Entnahmeöffnung, welche das Gelenk zwischen Verschlußklappe und Packungsoberseite bildet, nicht zu stanzen, um an dieser Seite den Materialstreifen einstückig mit der Packungsoberseite zu gestalten. Durch diese Einstückigkeit kommt der Materialstreifen auch beim Wiederverschließen weit besser mit der Entnahmeöffnung zur Deckung.In addition, EP 0221 168 B1 proposes that the part punched to form the opening should not be completely punched out, but that one side of the removal opening, which forms the joint between the closure flap and the top of the pack, should not be punched in order to strip the material on this side to be made in one piece with the top of the pack. Due to this one-piece design, the material strip comes into better alignment with the removal opening even when it is reclosed.

Es ist auch schon vorgeschlagen worden, als feuchtigkeitsundurchlässige Folie eine Aluminium-Verbundfolie zu verwenden, deren Dichtigkeit weit größer als die einer Polyethylenfolie ist. Bei der Verwendung einer Aluminium-Verbundfolie kommt es jedoch nachteiligerweise im Bereich der Anstanzung, d.h. im Bereich der Aufreißlinie bzw. des Stanzschnittes, zu Korrosionen, da das Aluminium mit der Tränkflüssigkeit für die Tücher, z.B. aus Vliesstoff, reagiert.It has also been proposed to use an aluminum composite film as the moisture-impermeable film, the density of which is far greater than that of a polyethylene film. When using an aluminum composite film, however, disadvantageously occurs in the area of the punching, i.e. corrosion in the area of the tear line or the die cut, since the aluminum with the soaking liquid for the wipes, e.g. made of nonwoven, reacts.

Gleichgültig, ob das weniger dampfdichte Polyethylen oder eine Aluminium-Verbundfolie als Verpackungsmaterial gewählt wird, ist im Bereich der Aufreißlinie bzw. des Stanzschnittes noch eine permanente Undichtigkeit gegeben, die allmählich zu einem Austrocknen des Verpackungsinhaltes führt.Regardless of whether the less vapor-tight polyethylene or an aluminum composite film is chosen as the packaging material, there is still a permanent leak in the area of the tear line or the die cut, which gradually leads to the packaging contents drying out.

Ein weiterer Nachteil der aus Kunststoffverbundfolie bestehenden Verpackung besteht darin, daß in derartigen Verbundfolien keine Füllgüter mit hohen Parfumanteilen bzw. Alkohol (bis zu 40 %) verpackt werden können, da die Folie aufgrund ihrer Eigenschaften keine befriedigende Sperrschicht für diese Flüssigkeiten bildet.Another disadvantage of the packaging consisting of plastic composite film is that it is not possible to pack goods with high perfume contents or alcohol (up to 40%) in such composite films, since the properties of the film do not form a satisfactory barrier layer for these liquids.

Es ist daher Aufgabe der vorliegenden Erfindung, eine Maßnahme anzugeben, mit der sowohl das genannte Austrocknen als auch die Korrosionseffekte im Bereich der Anstanzung verhindert werden können.It is therefore the object of the present invention to provide a measure with which both the drying out mentioned and the corrosion effects in the region of the punching can be prevented.

Diese Aufgabe wird bei der eingangs genannten Verpackung dadurch gelöst, daß die feuchtigkeitsundurchlässige Folie aus einer Aluminium-Verbundfolie besteht und daß zwischen der flachen Oberseite der Folie und den feuchten Tüchern ein flüssigkeitsundurchlässiges Blatt angeordnet ist, das die Aufreißlinien des Stanzschnitts abdeckt und in signifikanter Weise über die Ränder des Stanzschnitts hinausreicht, wobei die Fläche des Blattes gleich oder größer ist als die Fläche der Verschlußklappe.This object is achieved in the above-mentioned packaging in that the moisture-impermeable film consists of an aluminum composite film and that a liquid-impermeable sheet is arranged between the flat top of the film and the wet wipes, which covers the tear lines of the die cut and in a significant manner extends the edges of the die cut, the area of the sheet being equal to or greater than the area of the closure flap.

Es ist zwar aus der EP-PS 0030 348 bereits bekannt, zwischen den feuchten Tüchern und der Unterseite der Packungsoberseite einen Kunststoffausschnitt anzuordnen. Eine zusätzliche perforierte Aufreißlasche in der Verbundfolie fehlt jedoch. Dafür ist der Kunststoffausschnitt durch eine bereits vorhandene Entnahmeöffnung in der Folie mit der Verschlußklappe klebend verbunden und wird beim ersten Öffnen der Packung aus dieser herausgezogen und verbleibt an der Lasche. Beim Wiederverschließen legt sich der Kunststoffausschnitt auf die Entnahmeöffnung und reicht dabei ein wenig über die Ränder dieser Entnahmeöffnung hinaus. Der Kunststoffausschnitt erfüllt dabei in etwa die Funktion der aus der EP-PS 0221 168 bekannten Abdeckzunge mit dem Unterschied, daß beim Wiederverschließen die Ränder der Entnahmeöffnung ein wenig überdeckt werden. Durch die relativ geringfügige Überlappung des Kunststoffausschnittes auf der noch ungeöffneten Verpackung ist nicht auszuschließen, daß die Flüssigkeit den kurzen Weg zur Entnahmeöffnung überwindet. Bei den oben angesprochenen Aluminium-Verbundfolien treten somit die unerwünschten Korrosionserscheinungen auf.It is already known from EP-PS 0030 348 to arrange a plastic cutout between the damp cloths and the underside of the top of the pack. However, an additional perforated pull tab in the composite film is missing. For this purpose, the plastic cutout is adhesively connected to the closure flap through an already existing removal opening in the film and is pulled out of the package when it is opened for the first time and remains on the tab. When reclosing, the plastic cutout lies on the removal opening and extends a little beyond the edges of this removal opening. The plastic cutout roughly fulfills the function of the cover tongue known from EP-PS 0221 168, with the difference that the edges of the removal opening are covered a little when reclosing. Due to the relatively slight overlap of the plastic cutout on the still unopened packaging, it cannot be ruled out that the liquid will overcome the short distance to the removal opening. In the case of the aluminum composite films mentioned above, the undesirable corrosion phenomena occur.

Es ist jedoch bei der vorbekannten Verpackung nicht möglich, den Kunststoffausschnitt beliebig zu vergrößern. Zum einen würde beim Öffnen der Packung die Schwierigkeit auftreten, daß der Ausschnitt nicht gänzlich aus der Verpackung herausgezogen wird, so daß beim Wiederverschließen Falten und Falzungen im Kunststoffausschnitt entstehen, die einen dichten Wiederverschluß der Packung verhindern.However, it is not possible with the previously known packaging to enlarge the plastic cutout as desired. On the one hand, when opening the package, the difficulty would arise that the cutout would not be completely pulled out of the package, so that folds and folds would occur in the plastic cutout during reclosure, which would prevent the package from being reclosed tightly.

Zum anderen muß die Breite und Länge des Einlegeblattes in jedem Fall kleiner sein als die Breite und Länge der Verschlußklappe, da diese beim Wiederverschließen der Verpackung nicht mehr auf der Packungsoberfläche haften würde.On the other hand, the width and length of the insert sheet must in any case be smaller than the width and length of the closure flap, since this would no longer adhere to the surface of the package when the package was reclosed.

Somit sind dem Fachmann bei der Optimierung der vorbekannten Verpackung enge Grenzwerte zur Dimensionierung des Kunststoffausschnittes gesetzt. Das bedeutet weiterhin, daß bei der Herstellung der Verpackung eine hohe Genauigkeit bei der Positionierung des Kunststoffausschnittes eingehalten werden muß.Thus, the skilled person is set narrow limits for the dimensioning of the plastic cutout when optimizing the known packaging. This also means that a high level of accuracy in the positioning of the plastic cutout must be maintained in the manufacture of the packaging.

Die erfindungsgemäße wiederverschließbare Verpackung weist diese Nachteile nicht auf und sie hat darüber hinaus den Vorteil, daß sie gegenüber einer Verpackung mit einem geschlossenen Innenbeutel zur Aufnahme der feuchten Tücher preisgünstiger oder einfacher herstellbar ist sowie die Zugänglichkeit der Tücher ohne größere Mühe gestattet. Bei dem üblichen Tränkungsgrad der Tücher reicht es aus, wenn die Aureißlinie bzw. Anstanzung durch ein Blatt aus einer Kunststoffolie oder auch einer Aluminium-Verbundfolie abgedeckt wird, wobei die Abmessungen des Einlegeblattes so gewählt sind, daß es die Aufreißlinie bzw. Anstanzung großzügig überlappt. Durch den Füllgrad der Verpackung mit den Tüchern wird das Blatt an die Innenseite der Verpackungsfolie angepreßt, so daß keine Flüssigkeit in den Bereich der Anstanzungen dringen kann. Dies vermeidet Flüssigkeitsaustritte aus den Stanzlöchern sowie Korrosionen der verwendeten Aluminium-Verbundfolie als Verpackungshülle.The reclosable packaging according to the invention does not have these disadvantages and, moreover, it has the advantage that it is cheaper or easier to produce than packaging with a closed inner bag for holding the wet wipes, and the accessibility of the wipes allows it without great effort. With the usual degree of impregnation of the wipes, it is sufficient if the tear line or punching is covered by a sheet of a plastic film or an aluminum composite film, the dimensions of the insert sheet being chosen such that it generously overlaps the tear line or punching. Due to the degree of filling of the packaging with the cloths, the sheet is pressed against the inside of the packaging film, so that no liquid can penetrate into the area of the punchings. This avoids liquid leaks from the punch holes and corrosion of the aluminum composite film used as the packaging sleeve.

Nach einer Weiterbildung der Erfindung ist eine noch höhere Dichtigkeit zu erreichen, wenn das Blatt zwischen den feuchten Tüchern und der flachen Oberinnenseite der Folie im Bereich seiner Randzonen unlösbar mit der Folienunterseite verbunden ist und zur Entnahmemöglichkeit der feuchten Tücher eine Öffnung (Ausstanzung) aufweist, die kleiner als der durch die Aufreißlinie oder den Stanzschnitt gegebene Umriß ist. Nach Abziehen der haftenden Verschlußklappe wird eine Abdecklasche entlang der Anstanzung mit abgezogen, wodurch gleichzeitig die Entnahmeöffnung des Blattes freigelegt wird.According to a further development of the invention, an even higher level of tightness can be achieved if the sheet between the damp cloths and the flat inside of the film is permanently connected to the underside of the film in the region of its edge zones and has an opening (punched-out) for removing the wet cloths is smaller than the outline given by the tear line or the die cut. After pulling off the adhesive closure flap, a cover flap is also pulled off along the stamped portion, which at the same time exposes the removal opening of the sheet.

Weiterbildungen der Erfindung sind in den Zeichnungen dargestellt. Es zeigen:

Fig. 1
eine perspektivische geschlossene Verpackung,
Fig. 2
eine Verpackung gemäß Fig. 1, geöffnet, wobei die Verschlußklappe im Bereich ihrer Schweißnaht aufgebrochen bzw. entfernt ist
Fig. 3 bis 7
in Draufsicht je eine Ausführungsform der Erfindung,
Fig. 8 und 9
weitere Varianten in Draufsicht bzw. im Längsschnitt nach Linie IX - IX in Fig. 8,
Fig. 10 bis 13
weitere Ausführungsformen, bei denen am rückwärtigen Rand der Verschlußkappe keine Schweißnaht erforderlich ist.
Further developments of the invention are shown in the drawings. Show it:
Fig. 1
a perspective closed packaging,
Fig. 2
a package according to FIG. 1, opened, the closure flap being broken open or removed in the region of its weld seam
3 to 7
in plan view each an embodiment of the invention,
8 and 9
further variants in plan view or in longitudinal section along line IX - IX in FIG. 8,
10 to 13
further embodiments in which no weld is required at the rear edge of the closure cap.

Die Verpackung besteht aus einer feuchtigkeitsundurchlässigen Kunststoff-Aluminium-Verbundfolie, deren Enden mittels Schweißnähten 1 und 2 in nach dem Stand der Technik bekannter Weise verbunden ist. Auf der Oberseite 3 der Verpackung ist ein zu öffnender Verschluß vorgesehen, durch den den Inhalt der Verpackung bildende Tücher entnommen werden können. Hierzu dient eine Entnahmeöffnung 4, die mittels einer Verschlußklappe 5 geöffnet und wieder verschlossen werden kann. Die Verschlußklappe 5 ist hierzu mit einem Haftkleber 6 beschichtet und längs ihrer einen Schmalseite mittels einer Schweißnaht 7 auf der Oberseite 3 festgeschweißt. An der gegenüberliegenden Schmalseite ist eine mit Kleber nicht beschichtete Griffzunge 8 vorgesehen. Die Verschlußklappe 5 ist im Umriß größer als die Entnahmeöffnung 4, zu der sie mittig angeordnet ist, so daß die Verschlußklappe 5 den Rand der Entnahmeöffnung 4 allseitig übergreift und somit im Verschlußzustand abdichtet. Die Entnahmeöffnung 4 ist gestanzt, wobei der ausgestanzte Teil aber nicht entfernt ist und beim Wiederverschließen der Verschlußklappe wieder zur Anlage kommen kann und somit als Abdeckzunge 9 das jeweils oberste Tuch abdeckt. Statt durchgehender Stanzlinien können auch Perforationslinien in der Oberseite 3 vorgesehen sein, wobei aber der der Griffzunge 8 zugewandte Bereich voll ausgestanzt ist, damit hier die Abdeckzunge 9 beim Öffnen an der Verschlußklappe 5 haften bleibt. Die Abdeckzunge 9 ist an ihrem der Griffzunge 8 gegenüberliegenden Ende nicht gestanzt, sondern hier einstückig mit dem Material der Oberseite 3 verbunden. Die Enden der Schenkel 10, 11 der Stanzung oder Perforation enden also blind. Durch diese Einstückigkeit wird erreicht, daß beim Verschließen die Abdeckzunge genau über der Öffnung 4 zu liegen kommt, also die Öffnung 4 vollständig abdeckt. Da ferner die Schenkel 10, 11 der Stanzlinien an oder in der Schweißnaht 7 enden, erfolgt die Versteifung oder Verstärkung, womit ein Weiterreißen beim Öffnen vermieden wird. Außerdem oder zusätzlich können die Enden dieser Stanzschenkel 10, 11 in zur Seite nach außen gerichtete Bögen 12, 13 auslaufen, womit ein Weiterreißen aufgrund der Kerbwirkung vermieden wird (siehe Fig. 4, 5). Diese Bögen 12, 13 können ebenso auch nach innen gerichtet werden, ohne daß sich die Stanzschenkelenden berühren.The packaging consists of a moisture-impermeable plastic-aluminum composite film, the ends of which are connected by means of weld seams 1 and 2 in a manner known from the prior art. On the top 3 of the packaging, an opening is provided, through which the contents forming the packaging can be removed. For this purpose, a removal opening 4 is used, which can be opened and closed again by means of a closure flap 5. For this purpose, the closure flap 5 is coated with a pressure-sensitive adhesive 6 and welded along its narrow side by means of a weld seam 7 on the upper side 3. On the opposite narrow side, a handle tongue 8 not coated with adhesive is provided. The closure flap 5 is larger in outline than the removal opening 4, to which it is arranged centrally, so that the closure flap 5 overlaps the edge of the removal opening 4 on all sides and thus seals in the closed state. The removal opening 4 is punched, but the punched-out part has not been removed and can come into contact again when the closure flap is closed and thus covers the top cloth in each case as a covering tongue 9. Instead of continuous punch lines, perforation lines can also be provided in the upper side 3, but the area facing the grip tongue 8 is fully punched out so that the cover tongue 9 adheres to the closure flap 5 when opened. The cover tongue 9 is not punched at its end opposite the grip tongue 8, but is here connected in one piece to the material of the upper side 3. The ends of the legs 10, 11 of the punching or perforation thus end blind. This one-piece arrangement ensures that when closing the covering tongue comes to lie exactly over the opening 4, that is to say completely covers the opening 4. Furthermore, since the legs 10, 11 of the punching lines end at or in the weld seam 7, the stiffening or reinforcement takes place, thereby preventing tearing when opening. In addition or in addition, the ends of these punch legs 10, 11 can end in arches 12, 13 directed outwards to the side, thus preventing tearing due to the notch effect (see FIGS. 4, 5). These sheets 12, 13 can also be directed inwards without the punch leg ends touching.

Bei der Ausführung nach Fig. 6 ist die Schweißnaht 7 gestuft, d.h. es sind zwei gegenüber dem mittleren Bereich vorversetzte seitliche Bereiche 7a, jeweils beidseits der Abdecklasche 9 vorgesehen, jeweils auch vorversetzt gegenüber den Enden der Stanzschenkel 10, 11. Die Verschlußklappe 5 und damit die an ihr haftende Abdecklasche 9 lassen sich ohne Zerstörung nur bis an die vorversetzten Schweißnahtbereiche 7a abziehen, so daß die Enden der Stanzschenkel 10, 11 von Zug völlig entlastet sind. Die gleiche Wirkungsweise, also eine Zugentlasung der Stanzschenkelenden, wird auch bei der geschweiften Anordnung der Schweißnaht 7 gemäß Fig. 7 erreicht; auch hier wird der Zug beim Aufziehen der Verschlußklappe 5 von den vorversetzten seitlichen Bereichen 7b aufgefangen.In the embodiment according to Fig. 6, the weld seam 7 is stepped, i.e. there are two lateral areas 7a offset from the central area, each provided on both sides of the cover flap 9, each also offset from the ends of the punch legs 10, 11. The closure flap 5 and thus the cover flap 9 adhering to it can only be destroyed without destruction Pull off the offset weld seam areas 7a so that the ends of the punch legs 10, 11 are completely relieved of tension. The same mode of action, that is to say a strain relief for the ends of the punch leg, is also achieved with the curved arrangement of the weld seam 7 according to FIG. 7; here, too, the train is caught by the offset lateral areas 7b when the closure flap 5 is opened.

Statt der Schweißnähte 7, 7a, 7b kann grundsätzlich auch eine Klebenaht bzw. ein Klebestreifen vorgesehen sein, wobei die Klebeverbindung längs dieser Naht bedeutend fester als die Haftung an den Randbereichen 14 zwischen Verschlußklappe 5 und Oberseite 3 ist. Solche Ausführungsformen zeigen Fig. 8 und 9, in denen die Klebenaht 7c zwischen der Verschlußklappe 5 und der Oberseite 3 relativ breit ist. Die Stanzschenkel 10, 11 erstrecken sich bis in diese Klebenaht 7c hinein.Instead of the weld seams 7, 7a, 7b, an adhesive seam or an adhesive strip can in principle also be provided, the adhesive connection along this seam being significantly stronger than the adhesion to the edge regions 14 between the closure flap 5 and the top side 3. Such embodiments are shown in FIGS. 8 and 9, in which the adhesive seam 7c between the closure flap 5 and the upper side 3 is relatively wide. The punch legs 10, 11 extend into this adhesive seam 7c.

Gemäß Fig. 10 bis 13 kann die Verpackung auch dahingehend vereinfacht werden, daß man die gesonderte Schweißnaht 7 oder Klebenaht 7c zwischen der Verschlußklappe 5 und der Packungsoberseite 3 völlig fortläßt, sofern man nur die beiden Stanzschenkel 10, 11 jeweils in einem Bogen 12, 13 auslaufen läßt. Wenn dann beim erstmaligen und jedem weiteren Abziehen der Verschlußklappe 5 diese Bögen 12, 13 erreicht werden, erhöht sich der Zug-Widerstand sprunghaft, womit bei praktischem Gebrauch der Vorgang des Öffnens beendet ist.10 to 13, the packaging can also be simplified in that the separate weld 7 or adhesive seam 7c between the flap 5 and the top of the pack 3 is completely omitted, provided that only the two punch legs 10, 11 each run out in an arc 12, 13. If these arches 12, 13 are reached when the closure flap 5 is pulled off for the first time and each time it is pulled further, the tensile resistance increases by leaps and bounds, thus ending the process of opening in practical use.

Gegenüber den dargelegten verschiedenartigen Ausführungsformen der Erfindung besteht die Erfindung darin, gemäß der Darstellung in Figur 2 bzw. Figur 9 zwischen dem Stapel der Vliestücher 19 und der Innenseite der Oberseite der Verpackung 3 ein flüssigkeitsundurchlässiges Blatt 16 einzulegen. Dieses Blatt hat einen größeren Umriß als der durch die Entnahmeöffnung 4 vorgegebene und ist so dimensioniert, daß seine Abmessungen gleich oder größer sind als die Abmessungen der Verschlußklappe 5.Compared to the various embodiments of the invention described, the invention consists in inserting a liquid-impermeable sheet 16 between the stack of non-woven cloths 19 and the inside of the top of the packaging 3, as shown in FIG. 2 or FIG. 9. This sheet has a larger outline than that specified by the removal opening 4 and is dimensioned such that its dimensions are equal to or larger than the dimensions of the closure flap 5.

Das Blatt kann entweder lose eingelegt sein oder, wie in Fig. 11 angedeutet, in den Randbereichen 17a mit der Unterseite der Oberseite 3 verklebt sein. Dieses Blatt 17 besitzt dann jedoch eine Entnahmeöffnung 18, durch die nach Abziehen der Lasche 9 die Tücher 19 entnommen werden können.The sheet can either be inserted loosely or, as indicated in FIG. 11, be glued to the underside of the upper side 3 in the edge regions 17a. However, this sheet 17 then has a removal opening 18 through which the cloths 19 can be removed after the tab 9 has been pulled off.

Die Blätter 16 oder 17 können entweder aus einer Polyethylenfolie oder einer Aluminium-Verbundfolie bestehen. In jedem Falle ist durch Zwischenlage des Blattes 16 bzw. 17 dafür gesorgt, daß die Stanzlinien 10, 11 gegenüber den Tüchern 19 abgedeckt sind und somit in diesem Bereich keine von den Tüchern abgegebene Feuchtigkeit dringen kann. Hiermit werden ein frühzeitiger Feuchtigkeitsverlust sowie Korrosionen im Bereich der Anstanzung vermieden.The sheets 16 or 17 can either consist of a polyethylene film or an aluminum composite film. In any case, the interposition of the sheets 16 and 17 ensures that the punching lines 10, 11 are covered with respect to the sheets 19 and thus no moisture emitted by the sheets can penetrate in this area. This prevents premature loss of moisture and corrosion in the area of the punching.

Claims (4)

Wiederverschließbare Verpackung für feuchte Tücher oder dergleichen, aus einer feuchtigkeitsundurchlässigen Folie, in deren im wesentlichen flache Oberseite eine Aufrißlinie bzw. ein Stanzschnitt eingestanzt ist, die/der überdeckt ist von einer im Umriß größeren, auf dem Material der Oberseite haftenden Verschlußklappe, deren erstes Ende mittels einer Schweiß- oder Klebenaht unlösbar mit der Oberseite verbunden ist,
dadurch gekennzeichnet,
daß die feuchtigkeitsundurchlässige Folie (3) aus eine Aluminium-Verbundfolie besteht und daß zwischen der flachen Oberseite der Folie (3) und den feuchten Tüchern (19) ein flüssigkeitsundurchlässiges Blatt (16, 17) angeordnet ist, das die Aufreißlinien des Stanzschnitts (10, 11) abdeckt und in signifikanter Weise über die Ränder des Stanzschnitts hinausreicht, wobei die Fläche des Blattes (16, 17) gleich oder größer ist als die Fläche der Verschlußklappe (5).Resealable packaging for wet wipes or the like, made of a moisture-impermeable film, in the substantially flat top of which a tear line or a die cut is punched, which is covered by a larger flap in outline, adhering to the material of the top, the first end of which is inseparably connected to the top by means of a weld or adhesive seam,
characterized,
that the moisture-impermeable film (3) consists of an aluminum composite film and that between the flat top of the film (3) and the damp cloths (19) a liquid-impermeable sheet (16, 17) is arranged, which the tear lines of the die cut (10, 11) and extends significantly beyond the edges of the die cut, the area of the sheet (16, 17) being equal to or greater than the area of the closure flap (5). Verpackung nach Anspruch 1,
dadurch gekennzeichnet,
daß das Blatt (16, 17) aus einer Kunststoffolie, vorzugsweise einer PE-Folie besteht.Packaging according to claim 1,
characterized,
that the sheet (16, 17) consists of a plastic film, preferably a PE film. Verpackung nach Anspruch 1 oder 2,
dadurch gekennzeichnet,
daß das Blatt (16, 17) eine Ausstanzung (18) aufweist, die kleiner als der durch die Aufreißlinie oder den Stanzschnitt (10, 11) gegebene Umriß ist.Packaging according to claim 1 or 2,
characterized,
that the sheet (16, 17) has a punch (18) which is smaller than the outline given by the tear line or the punch cut (10, 11). Verpackung nach Anspruch 3,
dadurch gekennzeichnet,
daß das Blatt (14) im Bereich seiner Randzone (17a) mit der Folienunterseite verbunden ist.Packaging according to claim 3,
characterized,
that the sheet (14) in the region of its edge zone (17a) is connected to the underside of the film.
EP90123651A 1990-03-10 1990-12-08 Recloseable package Expired - Lifetime EP0447636B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT90123651T ATE102156T1 (en) 1990-03-10 1990-12-08 RESEALABLE PACKAGING.

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DE4007649A DE4007649C1 (en) 1990-03-10 1990-03-10
DE4007649 1990-03-10

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EP0447636B1 EP0447636B1 (en) 1994-03-02

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ID=6401893

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EP (1) EP0447636B1 (en)
AT (1) ATE102156T1 (en)
DE (2) DE4007649C1 (en)
ES (1) ES2052143T3 (en)

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WO1994011270A1 (en) * 1992-11-10 1994-05-26 Jeyes Group Plc Releasable dispenser container
ES2074967A1 (en) * 1994-03-16 1995-09-16 Perez Juan Manuel Ojeda System for opening bags and/or packets of food products or the like
WO1999029589A3 (en) * 1997-12-10 1999-07-22 Denis Guibert Case for products such as moist wipes
EP1375380A1 (en) * 2002-06-24 2004-01-02 Fuji Machinery Co., Ltd. Form-fill sealing machines, resealable flexible packages and methods of manufacturing resealable flexible packages
WO2008122961A1 (en) * 2007-04-10 2008-10-16 The Procter & Gamble Company Easy-opening flexible container
WO2011032064A1 (en) * 2009-09-11 2011-03-17 Avery Dennison Corporation Resealable laminate for heat sealed packaging
US8470117B2 (en) 2009-04-03 2013-06-25 Mondi Ag Method of manufacture for a flexible packaging film with reclosure
US8551588B2 (en) 2009-03-31 2013-10-08 Avery Dennison Corporation Resealable laminate for heat sealed packaging
EP2893823A1 (en) * 2014-01-10 2015-07-15 Materiels Industriels de Sécurité Tearing device for dry-suit
US9550616B2 (en) 2010-05-25 2017-01-24 Avery Dennison Corporation Tamper evident container
US9630761B2 (en) 2008-10-20 2017-04-25 Mondelez UK Holding & Services Limited Packaging
US9637264B2 (en) 2010-01-28 2017-05-02 Avery Dennison Corporation Label applicator belt system
US9656783B2 (en) 2010-05-18 2017-05-23 Intercontinental Great Brands Llc Reclosable flexible packaging and methods for manufacturing same
US9663282B2 (en) 2006-05-23 2017-05-30 International Great Rapids LLC Package integrity indicator for container closure
US9688442B2 (en) 2011-03-17 2017-06-27 Intercontinental Great Brands Llc Reclosable flexible film packaging products and methods of manufacture
US9708104B2 (en) 2010-05-18 2017-07-18 Intercontinental Great Brands Llc Reclosable flexible packaging and methods for manufacturing same
US9919855B2 (en) 2007-03-30 2018-03-20 Intercontinental Great Brands Llc Package integrity indicating closure
US10118741B2 (en) 2008-07-24 2018-11-06 Deborah Lyzenga Package integrity indicating closure
US10710773B2 (en) 2009-09-11 2020-07-14 Avery Dennison Corporation Resealable laminate for heat sealed packaging

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US8114451B2 (en) 2006-12-27 2012-02-14 Kraft Foods Global Brands Llc Resealable closure with package integrity feature
CN106564668A (en) 2007-04-05 2017-04-19 艾利丹尼森公司 Pressure sensitive shrink label
DK2347971T3 (en) 2010-01-26 2012-09-17 Gen Biscuit Re-sealable food packaging and manufacturing processes
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FR2376802A1 (en) * 1977-01-10 1978-08-04 Personal Products Co Packing and dispenser for impregnated paper towels - has small number of towels in heat sealed plastic containers stacked in box
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Cited By (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994011270A1 (en) * 1992-11-10 1994-05-26 Jeyes Group Plc Releasable dispenser container
ES2074967A1 (en) * 1994-03-16 1995-09-16 Perez Juan Manuel Ojeda System for opening bags and/or packets of food products or the like
WO1999029589A3 (en) * 1997-12-10 1999-07-22 Denis Guibert Case for products such as moist wipes
US6554134B1 (en) 1997-12-10 2003-04-29 Denis Guibert Case for products such as moist wipes
EP1375380A1 (en) * 2002-06-24 2004-01-02 Fuji Machinery Co., Ltd. Form-fill sealing machines, resealable flexible packages and methods of manufacturing resealable flexible packages
US6865860B2 (en) 2002-06-24 2005-03-15 Fuji Machinery Co., Ltd. Form-fill sealing machines, resealable flexible packages and methods of manufacturing resealable flexible packages
US9663282B2 (en) 2006-05-23 2017-05-30 International Great Rapids LLC Package integrity indicator for container closure
US10829285B2 (en) 2007-03-30 2020-11-10 Intercontinental Great Brands Llc Package integrity indicating closure
US9919855B2 (en) 2007-03-30 2018-03-20 Intercontinental Great Brands Llc Package integrity indicating closure
WO2008122961A1 (en) * 2007-04-10 2008-10-16 The Procter & Gamble Company Easy-opening flexible container
US11027892B2 (en) 2008-07-24 2021-06-08 Deborah Lyzenga Package integrity indicating closure
US10118741B2 (en) 2008-07-24 2018-11-06 Deborah Lyzenga Package integrity indicating closure
US9630761B2 (en) 2008-10-20 2017-04-25 Mondelez UK Holding & Services Limited Packaging
US8551588B2 (en) 2009-03-31 2013-10-08 Avery Dennison Corporation Resealable laminate for heat sealed packaging
US8470117B2 (en) 2009-04-03 2013-06-25 Mondi Ag Method of manufacture for a flexible packaging film with reclosure
RU2491173C1 (en) * 2009-09-11 2013-08-27 Авери Деннисон Корпорейшн Resealed laminate for heat-sealed bag
AU2010292022B2 (en) * 2009-09-11 2015-09-24 Avery Dennison Corporation Resealable laminate for heat sealed packaging
US10710773B2 (en) 2009-09-11 2020-07-14 Avery Dennison Corporation Resealable laminate for heat sealed packaging
WO2011032064A1 (en) * 2009-09-11 2011-03-17 Avery Dennison Corporation Resealable laminate for heat sealed packaging
US11352172B2 (en) 2009-09-11 2022-06-07 Avery Dennison Corporation Resealable laminate for heat sealed packaging
US9637264B2 (en) 2010-01-28 2017-05-02 Avery Dennison Corporation Label applicator belt system
US9656783B2 (en) 2010-05-18 2017-05-23 Intercontinental Great Brands Llc Reclosable flexible packaging and methods for manufacturing same
US9708104B2 (en) 2010-05-18 2017-07-18 Intercontinental Great Brands Llc Reclosable flexible packaging and methods for manufacturing same
US9550616B2 (en) 2010-05-25 2017-01-24 Avery Dennison Corporation Tamper evident container
US9688442B2 (en) 2011-03-17 2017-06-27 Intercontinental Great Brands Llc Reclosable flexible film packaging products and methods of manufacture
FR3016467A1 (en) * 2014-01-10 2015-07-17 Materiels Ind De Securite TIRE DEVICE FOR SEALED COMBINATION
EP2893823A1 (en) * 2014-01-10 2015-07-15 Materiels Industriels de Sécurité Tearing device for dry-suit

Also Published As

Publication number Publication date
DE4007649C1 (en) 1991-09-19
ATE102156T1 (en) 1994-03-15
ES2052143T3 (en) 1994-07-01
EP0447636B1 (en) 1994-03-02
DE59004811D1 (en) 1994-04-07

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