EP0199225B1 - Tearing device to open a container - Google Patents

Tearing device to open a container Download PDF

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Publication number
EP0199225B1
EP0199225B1 EP19860105032 EP86105032A EP0199225B1 EP 0199225 B1 EP0199225 B1 EP 0199225B1 EP 19860105032 EP19860105032 EP 19860105032 EP 86105032 A EP86105032 A EP 86105032A EP 0199225 B1 EP0199225 B1 EP 0199225B1
Authority
EP
European Patent Office
Prior art keywords
tear
open
line
strip
severing line
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.)
Expired
Application number
EP19860105032
Other languages
German (de)
French (fr)
Other versions
EP0199225A2 (en
EP0199225A3 (en
Inventor
Jürgen Reins
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.)
Henkel AG and Co KGaA
Original Assignee
Henkel AG and Co KGaA
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 Henkel AG and Co KGaA filed Critical Henkel AG and Co KGaA
Publication of EP0199225A2 publication Critical patent/EP0199225A2/en
Publication of EP0199225A3 publication Critical patent/EP0199225A3/en
Application granted granted Critical
Publication of EP0199225B1 publication Critical patent/EP0199225B1/en
Expired 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
    • B65D5/00—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
    • B65D5/42—Details of containers or of foldable or erectable container blanks
    • B65D5/54—Lines of weakness to facilitate opening of container or dividing it into separate parts by cutting or tearing
    • B65D5/5405—Lines of weakness to facilitate opening of container or dividing it into separate parts by cutting or tearing for opening containers formed by erecting a blank in tubular form
    • B65D5/542—Lines of weakness to facilitate opening of container or dividing it into separate parts by cutting or tearing for opening containers formed by erecting a blank in tubular form the lines of weakness being provided in the container body
    • B65D5/5425—Lines of weakness to facilitate opening of container or dividing it into separate parts by cutting or tearing for opening containers formed by erecting a blank in tubular form the lines of weakness being provided in the container body and defining after rupture a lid hinged to the upper edge of the container body

Definitions

  • the innovation relates to a tear-open device with tear strips for opening a packaging made of cardboard or the like, in particular for a folding box, in which the tear strip extends all over the side surfaces but at the transition to the last side surface to form a hinge for a hinged lid with an approximately vertical is cut through to the tear line running dividing line.
  • such a tear-open device can consist of a tear-open tape glued to the inside of the packaging material, which ends at one end in a pull tab. If the material is difficult to tear open, perforations or the like can be provided along the tear strip. In general, only three side surfaces are torn open in a cuboid box, so that the fourth side in the extension of the tear line can form the hinge for a hinged lid.
  • the tear strip can be divided after its transition to the side surface that cannot be separated by a punch cut or the like that cuts through the strip including the packaging wall.
  • the remaining part of the tear strip that is not used for severing the last side surface can advantageously be used as a reinforcement of the side surface in the area of the hinge provided.
  • the innovation is based on the task of forming the tear-off area at the dividing line of the tear strip as a pull tab of the last part of the tear strip.
  • the new solution consists in the fact that with the help of cut lines on both sides of the tear strip in the area of the separating line, a tab is formed on the part of the tear strip that remains when the first tear is opened, that the first, first cut line touches the adjacent longitudinal end of the separating line, and that the other, second cut line is passed at a distance from the assigned longitudinal end of the dividing line.
  • the cutting lines are preferably aligned approximately perpendicular to the dividing line in their area adjacent to the dividing line. They can be arranged convex on average, in particular as an arch, trapezoid or the like, with respect to the longitudinal ends of the cutting line.
  • the pull tab that is created when the first part of the tear strip is released can also be used to cut through the last page, usually the fourth side, with the tear strip that is present anyway, so that a the cover can be removed completely. Since the one cutting line passes at a distance from the associated longitudinal end of the dividing line, the packaging wall is not completely severed at this one point when the first part of the tear strip is pulled off. Rather, there remains a narrow web between the one cutting line and the associated longitudinal end of the dividing line, with the aid of which the tab is pulled out for further tearing open at the end of the first tearing phase.
  • the above-mentioned web should be so narrow that it tears at the latest when the tab connected to it is loosened, so that the user is still free to design the last side surface of the packaging as a hinge of a hinged lid or with the help of the remaining part of the tear strip to solve completely.
  • the blank according to the exemplary embodiment essentially consists of the side surfaces 1 to 4, the adhesive flap 5 and the cover flaps 6 to 9 and 6a to 9a with corner flaps 10 and 10a.
  • a tear-open strip 11 that is glued on, welded on, or otherwise fastened extends all around the finished packaging.
  • One end of the tear strip 11 is designed as a pull tab 12.
  • the adjacent area of the side face 1 can be cut out on both sides of the pull tab 12 in order to offer an improved possibility of attack.
  • a line 13 is provided after the transition to the fourth side surface 4, which e.g. passes as a die cut through the side surface 4 and the tear strip 11 and extends approximately at right angles to the tear strip.
  • additional cutting lines 16 and 17 are provided on both sides of the tear strip 11 in the region of the longitudinal ends 14 and 15 of the dividing line, the first cutting line 16 touching the adjacent longitudinal end 14 of the dividing line 13, i.e. intersects, and the second cutting line 17 is guided at a distance d past the associated longitudinal end 15 of the dividing line 13.
  • the cutting lines 16 and 17 should preferably run approximately perpendicular to the dividing line in their area adjacent to the dividing line 13 and be convex on average, e.g. as an arch, trapezoid or the like, with respect to the longitudinal ends 14 and 15 of the dividing line 13.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cartons (AREA)

Description

Die Neuerung bezieht sich auf eine Aufreissvorrichtung mit Aufreissstreifen zum Öffnen einer Verpackung aus Karton oder dergleichen, insbesondere für eine Faltschachtel, bei der sich der Aufreissstreifen umlaufend über alle Seitenflächen erstreckt aber am Übergang zur letzten Seitenfläche zum Bilden eines Scharniers für einen Klappdeckel mit einer etwa senkrecht zum Aufreissstreifen verlaufenden Trennlinie durchschnitten ist.The innovation relates to a tear-open device with tear strips for opening a packaging made of cardboard or the like, in particular for a folding box, in which the tear strip extends all over the side surfaces but at the transition to the last side surface to form a hinge for a hinged lid with an approximately vertical is cut through to the tear line running dividing line.

Eine solche Aufreissvorrichtung kann gemäss DE-GM 1 668 076 aus einem auf die Innenseite des Verpackungsmaterials aufgeklebten Aufreissband bestehen, das an einem Ende in einer Zuglasche endet. Bei schwierig aufzureissendem Material kann längs des Aufreissstreifens eine Perforierung oder dergleichen vorgesehen werden. Im allgemeinen werden bei einer quaderförmigen Schachtel nur drei Seitenflächen aufgerissen, damit die vierte Seite in der Verlängerung der Aufreisslinie das Scharnier für einen Klappdeckel bilden kann.According to DE-GM 1 668 076, such a tear-open device can consist of a tear-open tape glued to the inside of the packaging material, which ends at one end in a pull tab. If the material is difficult to tear open, perforations or the like can be provided along the tear strip. In general, only three side surfaces are torn open in a cuboid box, so that the fourth side in the extension of the tear line can form the hinge for a hinged lid.

Bei vielen Herstellungsverfahren, z.B. bei Fertigung der Verpackungszuschnitte im Tiefdruck, ist es schwierig, den Aufreissstreifen im Bereich der nicht abzutrennenden Verpackungsfläche wegzulassen. Wenn trotzdem nur auf drei Seitenflächen aufgerissen werden soll, kann der Aufreissstreifen im Anschluss an seinen Übergang auf die nicht abzutrennende Seitenfläche durch einen den Streifen einschliesslich der Verpackungswand durchtrennenden Stanzschnitt oder dergleichen abgeteilt werden. Der nicht zum Durchtrennen der letzten Seitenfläche verwendete restliche Teil des Aufreissstreifens kann vorteilhaft als Verstärkung der Seitenfläche im Bereich des vorgesehenen Scharniers verwendet werden.In many manufacturing processes, e.g. When producing the packaging blanks in gravure printing, it is difficult to omit the tear strip in the area of the packaging area that cannot be separated. If, nevertheless, only three side surfaces are to be torn open, the tear strip can be divided after its transition to the side surface that cannot be separated by a punch cut or the like that cuts through the strip including the packaging wall. The remaining part of the tear strip that is not used for severing the last side surface can advantageously be used as a reinforcement of the side surface in the area of the hinge provided.

Der Neuerung liegt die Aufgabe zugrunde, den Abrissbereich an der Trennlinie des Aufreissstreifens als Zuglasche des letzten Teils des Aufreissstreifens auszubilden. Die neue Lösung bestehtdarin, dass mit Hilfe von Schnittlinien beiderseits des Aufreissstreifens im Bereich der Trennlinie eine Lasche an das beim ersten Aufreissen verbleibende Teil des Aufreissstreifens angeformt ist, dass die eine, erste Schnittlinie das angrenzende Längsende der Trennlinie berührt und dass die andere, zweite Schnittlinie mit Abstand am zugeordneten Längsende der Trennlinie vorbeigeführt ist. Vorzugsweise werden die Schnittlinien in ihrem der Trennlinie benachbarten Bereich etwa senkrecht zu der Trennlinie ausgerichtet. Sie können dabei im Mittel konvex, insbesondere als Bogen, Trapez oder dergleichen, in bezug auf die Längsenden der Schnittlinie angeordnet werden.The innovation is based on the task of forming the tear-off area at the dividing line of the tear strip as a pull tab of the last part of the tear strip. The new solution consists in the fact that with the help of cut lines on both sides of the tear strip in the area of the separating line, a tab is formed on the part of the tear strip that remains when the first tear is opened, that the first, first cut line touches the adjacent longitudinal end of the separating line, and that the other, second cut line is passed at a distance from the assigned longitudinal end of the dividing line. The cutting lines are preferably aligned approximately perpendicular to the dividing line in their area adjacent to the dividing line. They can be arranged convex on average, in particular as an arch, trapezoid or the like, with respect to the longitudinal ends of the cutting line.

Durch die neuerungsgemäss im Bogen, im Winkel oder ähnlich angesetzten Schnittlinien kann mit Hilfe der dadurch beim Lösen des ersten Teils des Aufreissstreifens entstehenden Zuglasche bedarfsweise auch die letzte Seite, in der Regel die vierte Seite, mit dem ohnehin vorhandenen Aufreissstreifen durchtrennt werden, so dass ein vollständig abzuhebender Deckel entsteht. Da die eine Schnittlinie mit Abstand am zugeordneten Längsende der Trennlinie vorbeiführt, wird die Verpackungswand an dieser einen Stelle beim Abziehen des ersten Teils des Aufreissstreifens nicht sofort vollständig durchtrennt. Vielmehr verbleibt ein schmaler Steg zwischen der einen Schnittlinie und dem zugeordneten Längsende der Trennlinie mit dessen Hilfe am Schluss der ersten Aufreissphase die Lasche zum weiteren Aufreissen herausgezogen wird. Der genannte Steg soll so schmal sein, dass er spätestens beim Lockern der sich an ihn anschliessenden Lasche reisst, so dass der Verwender nach wie vor darin frei ist, die letzte Seitenfläche der Verpackung als Scharnier eines Klappdeckels auszubilden oder mit Hilfe des restlichen Teils des Aufreissstreifens ganz zu lösen.As a result of the cutting lines, which are new in the arch, at an angle or in a similar manner, the pull tab that is created when the first part of the tear strip is released can also be used to cut through the last page, usually the fourth side, with the tear strip that is present anyway, so that a the cover can be removed completely. Since the one cutting line passes at a distance from the associated longitudinal end of the dividing line, the packaging wall is not completely severed at this one point when the first part of the tear strip is pulled off. Rather, there remains a narrow web between the one cutting line and the associated longitudinal end of the dividing line, with the aid of which the tab is pulled out for further tearing open at the end of the first tearing phase. The above-mentioned web should be so narrow that it tears at the latest when the tab connected to it is loosened, so that the user is still free to design the last side surface of the packaging as a hinge of a hinged lid or with the help of the remaining part of the tear strip to solve completely.

Anhand der schematischen Darstellung eines Ausführungsbeispiels werden Einzelheiten der Neuerung erläutert. Es zeigen:

  • Fig. 1 einen flach liegenden Zuschnitt; und
  • Fig. 2 einen vergrösserten Ausschnitt von Fig. 1.
Details of the innovation are explained on the basis of the schematic representation of an exemplary embodiment. Show it:
  • 1 shows a blank lying flat; and
  • FIG. 2 shows an enlarged detail from FIG. 1.

Der Zuschnitt gemäss Ausführungsbeispiel besteht im wesentlichen aus den Seitenflächen 1 bis 4, der Klebelasche 5 und den Decklaschen 6 bis 9 und 6a bis 9a mit Ecklaschen 10 und 10a. Über die Seitenflächen 1 bis 4 und die Klebelasche 5, d.h. umlaufend um die fertige Verpackung, erstreckt sich (auf der Innenseite) ein aufgeklebter, aufgeschweisster oder auf andere Weise befestigter Aufreissstreifen 11. Das eine Ende des Aufreissstreifens 11 wird als Zuglasche 12 ausgebildet. Beiderseits der Zuglasche 12 kann der angrenzende Bereich der Seitenfläche 1 ausgeschnitten sein, um eine verbesserte Angriffsmöglichkeit zu bieten.The blank according to the exemplary embodiment essentially consists of the side surfaces 1 to 4, the adhesive flap 5 and the cover flaps 6 to 9 and 6a to 9a with corner flaps 10 and 10a. Via the side surfaces 1 to 4 and the adhesive tab 5, i.e. A tear-open strip 11 that is glued on, welded on, or otherwise fastened extends all around the finished packaging. One end of the tear strip 11 is designed as a pull tab 12. The adjacent area of the side face 1 can be cut out on both sides of the pull tab 12 in order to offer an improved possibility of attack.

Beim Abziehen des Aufreissstreifens 11 werden zunächst nur die Seitenflächen 1 bis 3 durchtrennt, da im Anschluss an den Übergang zur vierten Seitenfläche 4 eine Trennlinie 13 vorgesehen ist, die z.B. als Stanzschnitt durch die Seitenfläche 4 und den Aufreissstreifen 11 hindurchgeht sowie etwa rechtwinkelig zum Aufreissstreifen verläuft. Nach der vorliegenden Neuerung werden beiderseits des Aufreissstreifens 11 im Bereich der Längsenden 14 und 15 der Trennlinie zusätzliche Schnittlinien 16 und 17 vorgesehen, wobei die erste Schnittlinie 16 das angrenzende Längsende 14 der Trennlinie 13 berührt, d.h. schneidet, und wobei die zweite Schnittlinie 17 mit Abstand d am zugeordneten Längsende 15 der Trennlinie 13 vorbei geführt wird. Vorzugsweise sollen die Schnittlinien 16 und 17 in ihrem der Trennlinie 13 benachbarten Bereich etwa senkrecht zur Trennlinie verlaufen und im Mittel konvex, z.B. als Bogen, Trapez oder dergleichen, im Bezug auf die Längsenden 14 und 15 der Trennlinie 13 angeordnet werden.When the tear-off strip 11 is pulled off, only the side surfaces 1 to 3 are cut through, since a line 13 is provided after the transition to the fourth side surface 4, which e.g. passes as a die cut through the side surface 4 and the tear strip 11 and extends approximately at right angles to the tear strip. According to the present innovation, additional cutting lines 16 and 17 are provided on both sides of the tear strip 11 in the region of the longitudinal ends 14 and 15 of the dividing line, the first cutting line 16 touching the adjacent longitudinal end 14 of the dividing line 13, i.e. intersects, and the second cutting line 17 is guided at a distance d past the associated longitudinal end 15 of the dividing line 13. The cutting lines 16 and 17 should preferably run approximately perpendicular to the dividing line in their area adjacent to the dividing line 13 and be convex on average, e.g. as an arch, trapezoid or the like, with respect to the longitudinal ends 14 and 15 of the dividing line 13.

Mit Hilfe der bogenförmig oder im Winkel an den Längsenden 14 nd 15 der Trennlinie 13 vorgesehenen Schnittlinien 16 und 17 sowie durch den zwischen dem Längsende 15 der Trennlinie 13 und der zugeordneten Schnittstelle 17 verbleibenden Steg der Breite d wird beim Anziehen des die Seitenflächen 1 bis 3 lösenden ersten Teils 11' des Aufreissstreifens 11 eine gestrichelt dargestellte Zuglasche 18 geformt und in eine zum Handhaben günstige Lage angehoben. Dem Verwender steht es jedoch frei, die Zuglasche 18 und den daran anschliessenden restlichen Teit 11" " des Aufreissstreifens 11 nicht abzuziehen, sondern als Scharnier eines über die vierte Seitenfläche 4 zu schwenkenden Klappdeckels zu benutzen.With the help of the cut lines 16 and 17 provided at the longitudinal ends 14 and 15 of the dividing line 13 in an arc or at an angle, and by means of the web of width d remaining between the longitudinal end 15 of the dividing line 13 and the associated interface 17, the side faces 1 to 3 are tightened when detaching first part 11 'of the tear strip 11, a pull tab 18 shown in broken lines is formed and raised into a position which is favorable for handling. However, the user is free not to pull off the pull tab 18 and the subsequent remaining side 11 "" of the tear strip 11, but to use it as a hinge of a hinged lid to be pivoted over the fourth side surface 4.

Claims (3)

1. Tear-open device with tear-open strip (11) for the opening of a packaging of cardboard or the like, in particular for a folded carton, in which the tear-open strip (11) extends all round over alle side surfaces (1 to 4), but is cut through at a severing line (13), which extends about perpendicularly to the tear-open strip (11), at the transition to the last side surface (4), characterized thereby, that a pull strap (18) is shaped on at that portion (11 ") of the tear-open strip (11), which remains during the initial tearing-open, with the aid of cutting lines (16, 17) to both sides of the tear-open strip (11) in the region of the severing line (13), that the one first cutting line (16) touches the adjoining longitudinal end (14) of the severing line (13) and that the other second cutting line (17) is led past the associated longitudinal end (15) of the severing line (13) at a spacing (d).
2. Tear-open device according to claim 1, characterized thereby, that the cutting lines (16,17) in their region neighbouring the severing line (13) extend about perpendicularly to the severing line.
3. Tear-open device according to claim 1 or 2, characterized thereby, that the cutting lines (16, 17) are on the average arranged to be convex, in particular as arc, trapezium or the like, with respect to the longitudinal ends (14, 15) of the severing line (13).
EP19860105032 1985-04-20 1986-04-11 Tearing device to open a container Expired EP0199225B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE8511805U 1985-04-20
DE19858511805 DE8511805U1 (en) 1985-04-20 1985-04-20 Tear device for opening a package

Publications (3)

Publication Number Publication Date
EP0199225A2 EP0199225A2 (en) 1986-10-29
EP0199225A3 EP0199225A3 (en) 1987-08-12
EP0199225B1 true EP0199225B1 (en) 1988-10-05

Family

ID=6780195

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19860105032 Expired EP0199225B1 (en) 1985-04-20 1986-04-11 Tearing device to open a container

Country Status (2)

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EP (1) EP0199225B1 (en)
DE (2) DE8511805U1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8712880U1 (en) * 1987-09-24 1987-11-05 B. Birkel Söhne GmbH, 7056 Weinstadt Cardboard shipping containers, especially for pasta
US6976588B2 (en) 2003-02-05 2005-12-20 Rock-Tenn Shared Services, Llc Easy-open display shipping container

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3951333A (en) * 1975-04-01 1976-04-20 Westvaco Corporation Surgical package
FR2539393A1 (en) * 1983-01-19 1984-07-20 Nicollet Hugues Sa FLAN FOR THE CONSTITUTION OF A PACKAGE ON WHICH MUST BE RECORDED A HANDLE, AND DRAFT PACKING AND PACKAGING CORRESPONDING

Also Published As

Publication number Publication date
DE3660857D1 (en) 1988-11-10
EP0199225A2 (en) 1986-10-29
DE8511805U1 (en) 1985-05-30
EP0199225A3 (en) 1987-08-12

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