EP0364373B1 - Biegsamer Behälter - Google Patents

Biegsamer Behälter Download PDF

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Publication number
EP0364373B1
EP0364373B1 EP89420372A EP89420372A EP0364373B1 EP 0364373 B1 EP0364373 B1 EP 0364373B1 EP 89420372 A EP89420372 A EP 89420372A EP 89420372 A EP89420372 A EP 89420372A EP 0364373 B1 EP0364373 B1 EP 0364373B1
Authority
EP
European Patent Office
Prior art keywords
receptacle
welds
channel
container
flexible material
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
EP89420372A
Other languages
English (en)
French (fr)
Other versions
EP0364373A1 (de
Inventor
Georges Burgat
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.)
Thimonnier SAS
Original Assignee
Thimonnier SAS
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 Thimonnier SAS filed Critical Thimonnier SAS
Priority to AT89420372T priority Critical patent/ATE77325T1/de
Publication of EP0364373A1 publication Critical patent/EP0364373A1/de
Application granted granted Critical
Publication of EP0364373B1 publication Critical patent/EP0364373B1/de
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
    • B65D75/5816—Opening or contents-removing devices added or incorporated during package manufacture for tearing a corner or other small portion next to the edge, e.g. a U-shaped portion
    • B65D75/5822—Opening or contents-removing devices added or incorporated during package manufacture for tearing a corner or other small portion next to the edge, e.g. a U-shaped portion and defining, after tearing, a small dispensing spout, a small orifice or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2150/00—Flexible containers made from sheets or blanks, e.g. from flattened tubes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2150/00—Flexible containers made from sheets or blanks, e.g. from flattened tubes
    • B31B2150/002—Flexible containers made from sheets or blanks, e.g. from flattened tubes by joining superimposed sheets, e.g. with separate bottom sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2160/00—Shape of flexible containers
    • B31B2160/20—Shape of flexible containers with structural provision for thickness of contents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B70/00—Making flexible containers, e.g. envelopes or bags
    • B31B70/74—Auxiliary operations
    • B31B70/81—Forming or attaching accessories, e.g. opening devices, closures or tear strings
    • B31B70/84—Forming or attaching means for filling or dispensing contents, e.g. valves or spouts
    • B31B70/855—Forming valves integral with the containers
    • 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
    • B65D2575/00—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
    • B65D2575/52—Details
    • B65D2575/58—Opening or contents-removing devices added or incorporated during package manufacture
    • B65D2575/586—Opening or contents-removing devices added or incorporated during package manufacture with means for reclosing
    • 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
    • B65D75/28—Articles or materials wholly enclosed in composite wrappers, i.e. wrappers formed by associating or interconnecting two or more sheets or blanks
    • B65D75/30—Articles or materials enclosed between two opposed sheets or blanks having their margins united, e.g. by pressure-sensitive adhesive, crimping, heat-sealing, or welding

Definitions

  • the present invention relates to a container made of flexible material, provided with means facilitating the output of its contents when it is used.
  • This invention relates, more particularly, to a container made of a heat-sealable synthetic material, forming a bottom and two side walls joined by welds along their edges, and intended to contain a liquid or viscous product to be poured, comprising, close from the edge of the container and in particular towards one of its angles, an outlet channel, in an area intended to be cut off at the time of the first use of the container, this channel being formed between two separate welds, one of the another by a predetermined distance, these welds joining the two side walls of the container on either side of said outlet channel.
  • a container of this kind is known from the document GB-A-2180214 or the document AT-A-180035.
  • An even more particular application of the invention is a flexible plastic bag comprising a folded bottom to form with the two side walls a "W", and connected to each of these side walls by a curvilinear or broken line weld whose end points are located on the welds joining said side walls along their edges.
  • a sachet is described in the aforementioned document GB-A-2180214, and it has the advantage of standing upright (see also document FR-A-1349272).
  • the present invention aims to eliminate the drawback common to current containers of the type under consideration, by providing an extremely economical and practically free technical solution, greatly facilitating the output of the product contained in the container, while offering the possibility of easy recapping and waterproof.
  • a double stamping is provided between said two welds towards the outside on its two side walls, so as to constitute a calibrated channel whose bonding of the edges is made impossible.
  • the double stamping creating the outlet channel is advantageously carried out in the region of this spout pourer.
  • the outlet channel can have various shapes, for example curved or bent, depending on the configuration of the part of the container forming a protrusion or a pouring spout.
  • the calibrated outlet opening obtained can receive a small, light and very simple stopper, making it possible to close the container securely, this stopper being able in particular to be shaped like a conical hollow body, to be of minimum weight and easily enter the outlet opening while ensuring a good seal.
  • the invention is applicable in particular to a container of flexible heat-sealable synthetic material which comprises two rectangular side walls 1 and 2 and a bottom 3, joined by means of welds.
  • the container being assumed in the "standing" position, the two side walls 1 and 2 are joined, along their edges, by two vertical welds 4 and 5 and by a horizontal upper weld 6.
  • the bottom 3, folded to form with the two adjacent side walls 1 and 2 in a "W" configuration, is connected to each of these side walls by a curvilinear weld 7, the end points 8 and 9 of which are located on the vertical welds 4 and 5.
  • the container When the container is filled , its bottom 3 is unfolded and its two side walls 1 and 2 are spaced from one another in their lower part, the container thus having an approximate conical shape, this in a manner known per se.
  • the invention relates to arrangements provided near an upper angle 10 of the container in order to facilitate the exit of the product, generally liquid, filling this container.
  • the arrangements in question mainly comprise a double drawing 11, 12, produced on the two side walls 1 and 2, and two complementary welds 13 and 14 joining together these two side walls 1 and 2.
  • the double drawing 11, 12 is carried out towards the outside, on each of the side walls 1 or 2, along an inclined axis 15 extending substantially along the bisector of the angle 10, and over a certain length, without reaching the top.
  • This angle 10. This creates, by the material of the two side walls 1 and 2, an outlet channel 16 whose initial diameter is, for example, between 1 mm and 5 mm.
  • the two welds 13 and 14 are made along a line substantially perpendicular to the axis 15 of the outlet channel 16.
  • the first of these welds 13 has its starting point located on the vertical weld 4, and its end located on one side of the output channel 16.
  • the second of these welds 14 has its starting point located on the horizontal weld 6, and its end located on the other side of the outlet channel 16.
  • the two welds 13 and 14 are located on either side of the outlet 16 created by the double drawing 11, 12, the opposite ends of these two welds 13 and 14 being separated from each other by a predetermined distance D.
  • the angle 10 is cut along a line 17, passing flush with the welds 13 and 14 on the outside of the latter.
  • the outlet channel 16 is thus sectioned at a certain point along its length, and this results in the formation of an outlet opening, clearly visible in FIG. 4, the width of which is defined by the position of the ends of the two welds 13 and 14. If the two welds 13 and 14 extend in the immediate vicinity of the outlet channel 16, an outlet opening of section equal to the initial section of the channel 16 is created. On the other hand, if the two welds 13 and 14 remain distant from the outlet channel 16, in other words if the distance D is greater, an outlet opening of greater section is created than the initial section of the channel 16.
  • the outlet channel 16 allows, after opening the container by cutting the angle 10, a safe flow of the liquid to be poured.
  • the calibrated outlet opening obtained after cutting this angle 10 is capable of receiving a plug 18 ensuring the filling of the container, if the content of the latter is not used at once, as shown in the Figure 1.
  • the plug 18 has a conical shape, facilitating its introduction into the outlet opening.
  • FIG. 5 illustrates the application of the invention to a container, the vertical weld 4 of which has an interruption, defining a notch 19 facilitating the use of the container (for pouring its content into another container).
  • the notch 19 is delimited by a curved weld part 20 and the upper weld 6 has an enlarged part 21 of triangular shape.
  • a sort of pouring spout is thus formed at 22, between the parts of welds 20 and 21.
  • the double drawing 11, 12 is produced in the two walls, such as the wall 2 visible in FIG. 5, in the region of this spout. pourer 22, made usable as above after having cut the angle 10 along a line 17 intersecting the outlet channel 16 created by the double stamping.
  • the container has at its part upper, above the horizontal weld 6, a protuberance 23 delimited by short welds 24 and 25 and also forming a sort of pouring spout.
  • the double drawing 11, 12 is in this case carried out in the region of the protuberance 23, to create an outlet channel 16 which is substantially vertical, which is cut when this protuberance is sectioned horizontally along the line 17.
  • FIG. 7 relates to a container retaining a rectangular shape, but comprising an additional horizontal weld 26 delimiting a sort of pouring spout 27 with the upper horizontal weld 6.
  • the double drawing 11, 12 is produced with an angled shape, following the direction of the spout 27.
  • FIG. 8 shows, in a simplified manner, the means allowing the cold drawing of the double stamping, during the preparation of the container.
  • These means comprise a metal rod 28 of circular section, and two jaws 29 and 30 constituting the complement of the rod 28.
  • This rod 28 has a bent shape, its inclined and raised end portion serving for the drawing.
  • Means not shown ensure the holding of the rod 28 and its introduction, from above, between the two side walls 1 and 2 of the container being made.
  • the jaws 29 and 30, covered with hard rubber, are transversely and symmetrically movable, on either side of the container being made, to be applied to the outside of the walls 1 and 2 facing the end part of the rod 28.
  • Each jaw 29 or 30 has an imprint 31 complementary to said end portion of rod 28.
  • This manufacturing method can be implemented with a conventional machine, on which the means necessary for carrying out the double stamping 11,12 are simply added. Manufacturing is carried out continuously, the containers succeeding each other so that the vertical weld 4 of a container also constitutes the second vertical weld 5 of the next container, a cut being then made between these welds to separate the consecutive containers (see patent French n ° 1 349 272).
  • the invention is not limited to the sole embodiments of this container made of flexible material which have been described above, by way of examples; on the contrary, it embraces all of the variant embodiments and applications respecting the same principle.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bag Frames (AREA)
  • Packages (AREA)
  • Tubes (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Table Devices Or Equipment (AREA)

Claims (9)

1. Biegsamer Behälter, insbesondere aus einem synthetischen, durch Wärme schweißbaren Material hergestellter Behälter, der aus einem Boden (3) und zwei seitlichen Wänden (1,2), die durch Schweißnähte (4,5,6) an ihren Rändern verbunden sind, gebildet ist und der zur Aufnahme eines zum Ausgießen vorgesehenen flüssigen oder viskosen Produktes bestimmt ist, der in der Nähe der Ränder des Behälters und besonders in der Nähe eines seiner Ecken (10) einen Austrittskanal (16) in einer Zone, die dazu vorgesehen ist, im Moment der ersten Benutzung des Behälters (entlang 17) geteilt zu werden, beinhaltet, wobei der Kanal zwischen zwei Scheißnähten (13,14), voneinander durch einen vorbestimmten Abstand D getrennt, ausgespart ist und die Schweißnähte (13,14) die beiden seitlichen Wände des Behälters an der einen und anderen Seite des besagten Kanals verbinden, gekennzeichnet durch eine doppelte Ausbuchtung (11,12), die, zwischen den besagten zwei Schweßnähten nach außen gerichtet, an den beiden seitlichen Wänden des Behälters so ausgestaltet ist, daß sie einen kalibrierten Kanal bildet, bei dem ein Verkleben der Ränder ausgeschlossen ist.
2. Biegsamer Behälter nach Anspruch 1, dadurch gekennzeichnet, daß die beiden vorgenannten Schweißnähte (13,14) sich bis in die unmittelbare Nähe des Austrittskanals erstrecken, so daß sie einen dem Ursprungsquerschnitt des Austrittskanals (16) gleichen Öffnungsquerschnitt bilden.
3. Biegsamer Behälter nach Anspruch 1, dadurch gekennzeichnet, daß die beiden vorgenannten Schweißnähte (13,14) in einem Abstand vor dem Austrittskanal enden, so daß sie einen größeren Öffnungsquerschnitt als den Ursprungsquerschnitt des Austrittskanales (16) bilden.
4. Biegsamer Behälter nach einem oder mehreren der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß die beiden vorgenannten Schweißnähte (13,14) in einer zur Achse (15) des Austrittskanales (16) im wesentlichen rechtwinkligen Linie angeordnet sind.
5. Biegsamer Behälter nach einem oder mehreren der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß die doppelte Ausbuchtung (11,12), die den Austrittskanal (16) bildet, auf eine Ecke des Behälters gerichtet ist, wobei sich die Achse (15) des Kanals (16) vorzugsweise im wesentlichen in Richtung der Winkelhalbierenden des Eckenwinkels erstreckt.
6. Biegsamer Behälter nach einem oder mehreren der Ansprüche 1 bis 5 mit einem Vorsprung oder einem analogen Teil, der/das einen Gießer (22,23,27), begrenzt durch Schweißnähte (20, 21, 24, 25, 26), bildet, dadurch gekennzeichnet, daß die doppelte Ausbuchtung (11,12), die den Austrittskanal bildet, im Bereich dieses Gießers (22, 23, 27) angeordnet ist.
7. Biegsamer Behälter nach einem oder mehreren der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß der Ursprungsdurchmesser des Kanales im Bereich von 1-5 mm liegt.
8. Biegsamer Behälter nach einem oder mehreren der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß die doppelte Ausbuchtung (11,12) der beiden Seitenwände (1,2), die den Austrittskanal (16) bildet, während des Herstellungsprozesses des Behälters durch Einführen einer im Querschnitt kreisförmigen Metallstange (28) zwischen die beiden seitlichen Wände (1,2) und Aufdrücken von Komplementärstempeln (29, 30) auf die Außenseite der Wände auf kaltem Wege ausgeformt wird.
9. Biegsamer Behälter nach einem oder mehreren der Ansprüche 1 bis 8, dadurch gekennzeichnet, daß der Austrittskanal (16), nach dem er aufgeschnitten worden ist, eines kalibrierte Austrittsöffnung bildet, die zur Aufnahme eines Stöpsels (18), der das Wiederverschließen des Behälters sicherstellt, vorgesehen ist.
EP89420372A 1988-10-12 1989-09-28 Biegsamer Behälter Expired - Lifetime EP0364373B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT89420372T ATE77325T1 (de) 1988-10-12 1989-09-28 Biegsamer behaelter.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8816168A FR2637572B1 (fr) 1988-10-12 1988-10-12 Recipient en matiere souple
FR8816168 1988-10-12

Publications (2)

Publication Number Publication Date
EP0364373A1 EP0364373A1 (de) 1990-04-18
EP0364373B1 true EP0364373B1 (de) 1992-06-17

Family

ID=9372736

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89420372A Expired - Lifetime EP0364373B1 (de) 1988-10-12 1989-09-28 Biegsamer Behälter

Country Status (5)

Country Link
EP (1) EP0364373B1 (de)
AT (1) ATE77325T1 (de)
DE (1) DE68901845T2 (de)
ES (1) ES2032675T3 (de)
FR (1) FR2637572B1 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH677910A5 (de) * 1988-11-09 1991-07-15 Cellpack Ag
US5005734A (en) * 1989-03-23 1991-04-09 Colgate-Palmolive Company Flexible pouch with reinforcement to facillitate pouring
DE4037456A1 (de) * 1990-11-24 1992-05-27 Hensen Gmbh Verfahren zum fuellen und verschliessen eines vorgefertigten standbeutels
DE59207087D1 (de) * 1991-05-16 1996-10-17 Cellpack Ag Beutel
EP0630822A1 (de) * 1993-06-25 1994-12-28 The Procter & Gamble Company Beutel versehen mit Wulsten
ES2140993B1 (es) * 1996-04-02 2000-10-16 Gomez Victor Julian Calero Boca rigida para bolsas flexibles.
FR2760728B1 (fr) * 1997-03-14 1999-04-16 Soplaril Sa Poche de films thermoscelles comprenant un bec verseur thermoforme
SE517996C2 (sv) * 2000-12-13 2002-08-13 Eco Lean Res & Dev As Förpackning för ett vätskeformig innehåll
NL2008977C2 (en) * 2012-06-11 2013-12-12 Friesland Brands Bv Pouch for holding drink and method for producing a pouch.

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT180035B (de) * 1953-06-02 1954-10-25 Viktor Fuchs Verschluß von Behältern aus dünnem thermoplastischem Material
GB2180214B (en) * 1985-09-03 1990-02-28 Unisystems Pvt Ltd Pouch for packaging and dispensing of a liquiduous material

Also Published As

Publication number Publication date
ES2032675T3 (es) 1993-02-16
FR2637572A1 (fr) 1990-04-13
ATE77325T1 (de) 1992-07-15
DE68901845D1 (de) 1992-07-23
DE68901845T2 (de) 1992-12-17
EP0364373A1 (de) 1990-04-18
FR2637572B1 (fr) 1990-12-14

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