EP0564822B1 - Tubular bag - Google Patents

Tubular bag Download PDF

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Publication number
EP0564822B1
EP0564822B1 EP93103526A EP93103526A EP0564822B1 EP 0564822 B1 EP0564822 B1 EP 0564822B1 EP 93103526 A EP93103526 A EP 93103526A EP 93103526 A EP93103526 A EP 93103526A EP 0564822 B1 EP0564822 B1 EP 0564822B1
Authority
EP
European Patent Office
Prior art keywords
longitudinal seam
bag
seam
section
longitudinal
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 - Lifetime
Application number
EP93103526A
Other languages
German (de)
French (fr)
Other versions
EP0564822A1 (en
Inventor
Karl Dr. Reimann
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.)
Huhtamaki Grundstuecksverwaltungs GmbH Ronsberg
Original Assignee
4P Verpackungen Ronsberg 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 4P Verpackungen Ronsberg GmbH filed Critical 4P Verpackungen Ronsberg GmbH
Publication of EP0564822A1 publication Critical patent/EP0564822A1/en
Application granted granted Critical
Publication of EP0564822B1 publication Critical patent/EP0564822B1/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
    • B65D75/5805—Opening or contents-removing devices added or incorporated during package manufacture for tearing a side strip parallel and next to the edge, e.g. by means of a line of weakness
    • B65D75/5811—Opening or contents-removing devices added or incorporated during package manufacture for tearing a side strip parallel and next to the edge, e.g. by means of a line of weakness and defining, after tearing, a small dispensing spout, a small orifice or the like
    • 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
    • B65D75/40—Packages formed by enclosing successive articles, or increments of material, in webs, e.g. folded or tubular webs, or by subdividing tubes filled with liquid, semi-liquid, or plastic materials
    • B65D75/44—Individual packages cut from webs or tubes
    • B65D75/48—Individual packages cut from webs or tubes containing liquids, semiliquids, or pastes, e.g. cushion-shaped packages
    • 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
    • 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
    • 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
    • B65D75/5844—Tear-lines provided in a wall portion for tearing out a portion of the wall the portion of the wall being a narrow strip, e.g. between lines of weakness

Definitions

  • the invention relates to a tubular bag, in particular for free-flowing bulk goods, such as Peas, beans, nuts, screws or the like.
  • a tubular bag in particular for free-flowing bulk goods, such as Peas, beans, nuts, screws or the like.
  • the known tubular bags have the disadvantage that they cannot be closed easily after the first opening and therefore the entire content must be removed at once.
  • a tubular bag according to the preamble of claim 1 is known, in which an outer chamber is provided, into which liquid in the tubular bag can enter as soon as it comes under pressure. For emptying, this outer chamber is cut open and the tubular bag is pressurized. A reclosing is not provided and not possible.
  • the invention has for its object to design a tubular bag of the type mentioned so that the removal of a subset and a subsequent reclosing is possible.
  • the fin seam is created on the outside of the bag and by point or the like. Shaped sealing is fixed, and that the sealing surface of the longitudinal seam is provided with a recess coming from the inside of the bag, and that a dividing or perforation line or the like. is provided for opening the bag along the longitudinal seam, which runs within the longitudinal seam and extends into the recess.
  • the bag When a strip of the longitudinal seam is severed along the dividing or perforation line, the bag is only opened in the area of the cutout, but this is completely sufficient to remove a partial quantity of the filling material. By simply pulling the remaining longitudinal seam straight, it is closed again.
  • At least one film section of the longitudinal seam is provided with recesses through which it is possible to seal the inside of the film section with an adjacent film section on the inside or outside thereof.
  • Another advantageous embodiment of the invention also lies in the fact that the longitudinal seam is folded out in a C-shape on the outside of the bag.
  • FIG. 1 denotes a material web which, depending on the intended use, can consist of different materials such as plastic film, paper, cellophane, etc. and is coated in a sealable manner on its later inside.
  • elongated cutouts 3 are punched out one behind the other.
  • the two longitudinal edges are placed on top of one another with their inner sides and sealed together between two boundary lines 4 and 5.
  • the outer boundary line 4 facing the edge of the longitudinal seam strip thus formed has a straight course, while the inner boundary line 5 has a curved course forming a recess 6.
  • this inner boundary line 5 is still guided around the recesses 3 so that no sealing is carried out in their area.
  • a perforation line 7 is also provided within the longitudinal seam, which divides an outer strip-shaped section 8 of the longitudinal seam and thereby runs through the recess 6 formed by the inner boundary line 5.
  • the longitudinal seam strip is then folded into itself in the area of the cutouts 3 and sealed again.
  • the recess 6 remains in a somewhat narrower form, while the two outer layers of the longitudinal seam fold are sealed to one another on their respective inner sides by the punched-out recesses 3.
  • the strip 8 is severed along the perforation line 7, as a result of which the recess 6 is opened and part of the filling material can trickle out.
  • the recess 6 can be closed to such an extent that the filling material does not emerge on its own.
  • a simple marking line can also be provided, along which a corresponding strip 8 is cut off using scissors.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bag Frames (AREA)

Description

Die Erfindung bezieht sich auf einen Schlauchbeutel insbesondere für rieselfähiges Schüttgut, wie z.B. Erbsen, Bohnen, Nüsse, Schrauben od.dgl. aus einem folienartigen wenigstens einseitig siegelfähigen Material, mit einer Längsnaht und zwei Quernähten, wobei die Längsnaht als Flossennaht, d.h. Innenseite auf Innenseite ausgebildet ist.The invention relates to a tubular bag, in particular for free-flowing bulk goods, such as Peas, beans, nuts, screws or the like. made of a film-like material that can be sealed on one side, with one longitudinal seam and two transverse seams, the longitudinal seam being a fin seam, i.e. Inside is formed on the inside.

Die bekannten Schlauchbeutel haben den Nachteil, daß sie nach dem erstmaligen Öffnen nicht mehr ohne weiteres verschließbar sind und daher der gesamte Inhalt auf einmal entnommen werden muß.The known tubular bags have the disadvantage that they cannot be closed easily after the first opening and therefore the entire content must be removed at once.

Aus der DE-B-1 056 953 ist ein Schlauchbeutel gemäß den Oberbegriff des Anspruchs 1 bekannt, bei dem eine äußere Kammer vorgesehen ist, in welche im Schlauchbeutel befindliche Flüssigkeit einterten kann, sobald sie unter Druck gerät. Zum Entleeren wird diese äußere Kammer aufgeschnitten und der Schlauchbeutel unter Druck gesetzt. Ein Wiederverschließen ist dabei nicht vorgesehen und auch nicht möglich.From DE-B-1 056 953 a tubular bag according to the preamble of claim 1 is known, in which an outer chamber is provided, into which liquid in the tubular bag can enter as soon as it comes under pressure. For emptying, this outer chamber is cut open and the tubular bag is pressurized. A reclosing is not provided and not possible.

Der Erfindung liegt die Aufgabe zugrunde, einen Schlauchbeutel der genannten Art so auszugestalten, daß auch die Entnahme einer Teilmenge und ein anschließendes Wiederverschließen möglich ist.The invention has for its object to design a tubular bag of the type mentioned so that the removal of a subset and a subsequent reclosing is possible.

Diese Aufgabe wird erfindungsgemäß dadurch gelöst, daß die Flossennaht auf der Außenseite des Beutels angelegt ist und durch punkt- od.dgl. förmiges Versiegeln fixiert ist, und daß die Siegelfläche der Längsnaht mit einer vom Beutelinnern her kommenden Aussparung versehen ist, und daß eine Trenn- oder Perforationslinie od.dgl. zum Öffnen des Beutels entlang der Längsnaht vorgesehen ist, die innerhalb der Längsnaht verläuft und in die Aussparung hineinreicht.This object is achieved in that the fin seam is created on the outside of the bag and by point or the like. Shaped sealing is fixed, and that the sealing surface of the longitudinal seam is provided with a recess coming from the inside of the bag, and that a dividing or perforation line or the like. is provided for opening the bag along the longitudinal seam, which runs within the longitudinal seam and extends into the recess.

Beim Abtrennen eines Streifens der Längsnaht entlang der Trenn- oder Perforationslinie wird der Beutel lediglich im Bereich der Aussparung geöffnet, was aber zum Entnehmen einer Teilmenge des Füllgutes völlig ausreicht. Durch einfaches Geradeziehen der verbliebenen Längsnaht ist diese dann wieder geschlossen.When a strip of the longitudinal seam is severed along the dividing or perforation line, the bag is only opened in the area of the cutout, but this is completely sufficient to remove a partial quantity of the filling material. By simply pulling the remaining longitudinal seam straight, it is closed again.

Sehr vorteilhaft ist es dabei auch, wenn erfindungsgemäß wenigstens ein Folienabschnitt der Längsnaht mit Aussparungen versehen ist, durch welche eine Versiegelung der Innenseite des Folienabschnittes mit einem benachbarten Folienabschnitt auf dessen Innen- oder Außenseite möglich ist.It is also very advantageous if, according to the invention, at least one film section of the longitudinal seam is provided with recesses through which it is possible to seal the inside of the film section with an adjacent film section on the inside or outside thereof.

Dadurch ist es auch bei einem nur auf der Innenseite siegelfähigen Folienverbund möglich, die Längsnaht soweit zu versteifen bzw. festzulegen, daß ein sicherer Wiederverschluß der Aussparung erreichbar ist.As a result, it is also possible, in the case of a film composite that can only be sealed on the inside, to stiffen or fix the longitudinal seam to such an extent that a reliable reclosure of the recess can be achieved.

Eine weitere vorteilhafte Ausgestaltung der Erfindung liegt auch darin, daß die Längsnaht C-förmig auf die Außenseite des Beutels aufgefaltet ist.Another advantageous embodiment of the invention also lies in the fact that the longitudinal seam is folded out in a C-shape on the outside of the bag.

Dadurch, daß bei dieser Ausgestaltung zwei übereinanderliegende Lagen der Längsnaht auf der Beutel-Außenseite liegen, ist eine besonders günstige Wiederverschließbarkeit gegeben.The fact that in this embodiment there are two superimposed layers of the longitudinal seam on the outside of the bag, there is a particularly favorable resealability.

In der Zeichnung ist die Erfindung anhand eines Ausführungsbeispiels veranschaulicht. Dabei zeigen:

Fig.1
eine Ansicht einer flachliegenden Materialbahn mit ausgestanzten Aussparungen,
Fig.2
eine schaubildliche Darstellung der zusammengefalteten und mit einer Längsnaht versehenen Materialbahn,
Fig.3
eine weitere Darstellung bei welcher die Längsnaht C-förmig zurückgefaltet ist und
Fig.4
eine Ansicht eines fertig hergestellten aber noch nicht abgetrennten Schlauchbeutels.
The invention is illustrated in the drawing using an exemplary embodiment. Show:
Fig. 1
a view of a flat material web with punched-out recesses,
Fig. 2
a graphical representation of the folded and provided with a longitudinal seam material web,
Fig. 3
another representation in which the longitudinal seam is folded back in a C-shape and
Fig. 4
a view of a finished but not yet separated tubular bag.

Mit 1 ist in Fig.1 eine Materialbahn bezeichnet, die je nach dem vorgesehenen Einsatzzweck aus verschiedenen Materialien wie Kunststoffolie, Papier, Zellglas usw. bestehen kann und auf ihrer späteren Innenseite siegelfähig beschichtet ist. Im Bereich des einen Seitenrandes 2 sind hintereinanderliegende langlochförmige Aussparungen 3 ausgestanzt.1 in FIG. 1 denotes a material web which, depending on the intended use, can consist of different materials such as plastic film, paper, cellophane, etc. and is coated in a sealable manner on its later inside. In the area of the one side edge 2, elongated cutouts 3 are punched out one behind the other.

Zur Bildung eines Schlauches werden die beiden Längsränder mit ihren Innenseiten aufeinandergelegt und zwischen zwei Begrenzungslinien 4 und 5 zusammengesiegelt. Die dem Rand des so gebildeten Längsnahtstreifens zugekehrte äußere Begrenzungslinie 4 hat dabei einen geraden Verlauf, während die innere Begrenzungslinie 5 einen eine Aussparung 6 bildenden kurvenförmigen Verlauf hat. Darüber hinaus ist diese innere Begrenzungslinie 5 noch um die Aussparungen 3 herumgeführt, damit in deren Bereich nicht gesiegelt wird. Innerhalb der Längsnaht ist noch eine Perforationslinie 7 angebracht, die einen äußeren streifenförmigen Abschnitt 8 der Längsnaht abteilt und dabei durch die durch die innere Begrenzungslinie 5 gebildete Aussparung 6 hindurchläuft. Danach wird der Längsnahtstreifen im Bereich der Aussparungen 3 insich gefaltet und nochmals versiegelt. Dabei bleibt die Aussparung 6 allerdings in etwas schmälerer Form bestehen, während durch die ausgestanzten Aussparungen 3 die beiden Außenlagen der Längsnahtfalte an ihrer jeweiligen Innenseite miteinander versiegelt werden.To form a tube, the two longitudinal edges are placed on top of one another with their inner sides and sealed together between two boundary lines 4 and 5. The outer boundary line 4 facing the edge of the longitudinal seam strip thus formed has a straight course, while the inner boundary line 5 has a curved course forming a recess 6. In addition, this inner boundary line 5 is still guided around the recesses 3 so that no sealing is carried out in their area. A perforation line 7 is also provided within the longitudinal seam, which divides an outer strip-shaped section 8 of the longitudinal seam and thereby runs through the recess 6 formed by the inner boundary line 5. The longitudinal seam strip is then folded into itself in the area of the cutouts 3 and sealed again. However, the recess 6 remains in a somewhat narrower form, while the two outer layers of the longitudinal seam fold are sealed to one another on their respective inner sides by the punched-out recesses 3.

Durch Anbringen von Quersiegelnähten 9 und 10 und gleichzeitigem Befüllen wird der Schauchbeutel gebildet, der dann vom Schlauch abgetrennt wird.By attaching transverse sealing seams 9 and 10 and simultaneously filling, the tubular bag is formed, which is then separated from the hose.

Zum Öffnen des Beutels wird der Streifen 8 entlang der Perforationslinie 7 abgetrennt, wodurch die Ausnehmung 6 geöffnet ist und ein Teil des Füllgutes herausrieseln kann. Durch einfaches Glattziehen des verbliebenen Längsnahtstreifens kann die Ausnehmung 6 soweit verschlossen werden, daß das Füllgut nicht von allein austritt.To open the bag, the strip 8 is severed along the perforation line 7, as a result of which the recess 6 is opened and part of the filling material can trickle out. By simply pulling the remaining longitudinal seam strip smooth, the recess 6 can be closed to such an extent that the filling material does not emerge on its own.

Anstelle der Perforationslinie 7 kann auch eine einfache Markierungslinie vorgesehen sein, entlang welcher ein entsprechender Streifen 8 mit Hilfe einer Schere abgeschnitten wird.Instead of the perforation line 7, a simple marking line can also be provided, along which a corresponding strip 8 is cut off using scissors.

Claims (3)

  1. Flow wrap bag, particularly for free-flowing products such as peas, beans, nuts, screws etc., made from a film/foil-like material that is sealable on at least one side, with one longitudinal seam (4, 5) and two transverse seams (9, 10), the longitudinal seam (4, 5) being provided in the form of a fin seam, i.e. with the inside surfaces sealed to each other, wherein the fin seam is positioned against the outside of the bag and is attached by a spot or similar sealing process, wherein the sealing area of the longitudinal seam incorporates an unsealed section (6) that is provided from the inside of the bag, and wherein a separation or perforation line (7) or a similar means is provided to open the bag along the longitudinal seam (4, 5) that is located within the longitudinal seam and extends into the unsealed section (6).
  2. Flow wrap bag according to claim 1, wherein at least one section of the longitudinal seam material is provided with cut-outs (3), through which it is possible to seal the inside surface of this section of tile material with the inside or outside surface of an adjacent section of the material.
  3. Flow wrap bag according to claim 1 or 2, wherein the longitudinal seam is folded onto the outside surface of the bag in a C-shaped configuration.
EP93103526A 1992-04-04 1993-03-05 Tubular bag Expired - Lifetime EP0564822B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4211349A DE4211349A1 (en) 1992-04-04 1992-04-04 Tubular bag
DE4211349 1992-04-04

Publications (2)

Publication Number Publication Date
EP0564822A1 EP0564822A1 (en) 1993-10-13
EP0564822B1 true EP0564822B1 (en) 1996-07-10

Family

ID=6456082

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93103526A Expired - Lifetime EP0564822B1 (en) 1992-04-04 1993-03-05 Tubular bag

Country Status (2)

Country Link
EP (1) EP0564822B1 (en)
DE (2) DE4211349A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005026904A1 (en) * 2005-02-25 2006-08-31 Huhtamaki Ronsberg, Zweigniederlassung Der Huhtamaki Deutschland Gmbh & Co. Kg Foil bag has standing base and a bag body which is formed with a fin seal which also serves as the bag holding device to enable easier opening

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1757078U (en) * 1956-08-30 1957-11-28 Valer Flax Containers for liquids made from thin, elastic, weldable material and a method and welding jaw for producing such containers
DE1486540C3 (en) * 1962-12-19 1973-10-11 National Biscuit Co., New York, N.Y. (V.St.A.) Packaging for biscuits or the like in a tubular envelope excretion from 1436021
CH428550A (en) * 1965-03-22 1967-01-15 Brevetex S A Packaging bags for low to high viscosity contents, process for its production and use of the packaging bag
DE3914595A1 (en) * 1989-05-03 1990-11-08 Sengewald Karl H Gmbh Foil bag with opening fold - has weakened line in triple fold area to be covered once opened
WO1991006488A1 (en) * 1989-10-27 1991-05-16 Teich Aktiengesellschaft Package for piece-goods
US5078509A (en) * 1990-09-28 1992-01-07 Recot, Inc. Resealable package

Also Published As

Publication number Publication date
DE4211349A1 (en) 1993-10-07
EP0564822A1 (en) 1993-10-13
DE4211349C2 (en) 1994-01-20
DE59303172D1 (en) 1996-08-14

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