EP0808770B1 - Verfahren und Vorrichtung zum Öffnen und Füllen von Mehrkammerbeuteln und dabei erzeugte Beutel - Google Patents

Verfahren und Vorrichtung zum Öffnen und Füllen von Mehrkammerbeuteln und dabei erzeugte Beutel Download PDF

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Publication number
EP0808770B1
EP0808770B1 EP97430012A EP97430012A EP0808770B1 EP 0808770 B1 EP0808770 B1 EP 0808770B1 EP 97430012 A EP97430012 A EP 97430012A EP 97430012 A EP97430012 A EP 97430012A EP 0808770 B1 EP0808770 B1 EP 0808770B1
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EP
European Patent Office
Prior art keywords
bag
bags
sachet
suction cups
walls
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
EP97430012A
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English (en)
French (fr)
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EP0808770A1 (de
Inventor
Claude Henaux
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Individual
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B9/00—Enclosing successive articles, or quantities of material, e.g. liquids or semiliquids, in flat, folded, or tubular webs of flexible sheet material; Subdividing filled flexible tubes to form packages
    • B65B9/06—Enclosing successive articles, or quantities of material, in a longitudinally-folded web, or in a web folded into a tube about the articles or quantities of material placed upon it
    • B65B9/08—Enclosing successive articles, or quantities of material, in a longitudinally-folded web, or in a web folded into a tube about the articles or quantities of material placed upon it in a web folded and sealed transversely to form pockets which are subsequently filled and then closed by sealing
    • B65B9/093—Enclosing successive articles, or quantities of material, in a longitudinally-folded web, or in a web folded into a tube about the articles or quantities of material placed upon it in a web folded and sealed transversely to form pockets which are subsequently filled and then closed by sealing the web having intermittent motion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B43/00—Forming, feeding, opening or setting-up containers or receptacles in association with packaging
    • B65B43/26—Opening or distending bags; Opening, erecting, or setting-up boxes, cartons, or carton blanks
    • B65B43/30—Opening or distending bags; Opening, erecting, or setting-up boxes, cartons, or carton blanks by grippers engaging opposed walls, e.g. suction-operated

Definitions

  • the present invention relates to a method and device of multi-bagging bags and sachets thus obtained, or also said multi-compartment pockets.
  • the technical sector of the invention is that of the field of bagging by packaging such as bags and especially sachets, made by flat bands folded and sealed to form pockets that are then filled with liquid, pasty, solid or powdery product, and closed.
  • One of the main applications of the invention is the possibility to make multi-pocket sachets with at least 3 compartments each receiving a different product, powder or other, such as by example of sugar, coffee and powdered milk, thus constituting a complete set to prepare a breakfast, which allows to simplify handling and preparation of trays, for example in communities.
  • the problem posed to be able to achieve the above objective of multi-pouch bag allowing to be filled with several products different is to be able to present the various compartments of the same sachet under the filling orifices of said products after having sufficiently open the volume of each pocket by spacing walls made of flexible and deformable material, but which, due in particular to the welds and to a certain inherent rigidity, does not deform sufficiently under the simple weight of the product that is inside drop in or drop in to receive the full volume of the desired dose: it is therefore necessary to pre-spread the walls of each pocket to the maximum of their volume so that the filling is then do in good conditions.
  • the opening device has at least two pairs, in fact as many as integral pockets to constitute a sachet independent, of said suction cups mounted at the end of movable arms by compared to fixed guides, which movable movable arms simultaneously and their associated fixed guides, arranged on the same side of the pocket, form two by two between them a divergent angle whose opening ⁇ is oriented opposite that of the same opening ⁇ formed by the arms arranged on the other side and carrying the suction cups which face theirs.
  • the device comprises at least two, in fact as many pockets attached to the same bag, blowing nozzles gases such as compressed air, oriented in the plane defined by said suction cups placed side by side and each towards the contact point of these; this helps the separation of the walls not only to ensure the opening of each pocket, but also to inflate it and obtain the deformation of the desired volume.
  • gases such as compressed air
  • the device according to the invention comprises two sets of pairs of suction cups arranged and movable in parallel planes, each suction cup of the pairs of the second set being in the same plane, perpendicular to said parallel mobility planes, that the suction cup the pair of the first set associated with it for the same pocket.
  • the result is a new bagging device and method allowing to make bags of rectangular shape, such as have at least two pockets, preferably three or more same height, at least two of them being of different width, made in a continuous strip of flexible material and double-walled, sealed and closed, each containing a product liquid, pasty, solid or powdery of a given amount different from that contained in the adjacent pocket of the same sachet, and this automatically and quickly and reliably, whatever the height of said sachets and the respective width of each pocket; in effect, in the same sachet, depending on the products you want dose, some of these may be in larger quantities than others and thus require different pocket widths, at least for two of them.
  • Such a device and method can be used in any type of bagging lines known to date, such as those shown in the figures below, with of course an adaptation in terms of automatisms and locations of the different sachets and the different pockets relative to the products you want to fill.
  • said suction cups 12 are mounted at the end of arms 32 movable relative to fixed guides 21, which fixed guides each associated with a movable arm and arranged with a same side of the strip 5, form a divergent angle two by two, of which the opening ⁇ is oriented facing the plane defined by said strip 5, so that each suction cup 12 can be placed against each wall of a pocket 2 of said bag and is able to pull on it to open said pockets, in particular by a suction device 44 creating a depression in the center of each suction cup.
  • Said arms 32 supports are mounted on guide supports 17 integral with lever supports 20 which, when you push them aside to simultaneously open the openings 40 of said pockets 2 of the same bag 1, cause the arms 32 along the guides 21: thus the suction cups 12 are brought together which are arranged on the same side of the bag 1, each pulling and thus causing one of the walls of a pocket, so that they follow the deformation of these.
  • the pockets 2, by opening, will indeed bring their common lateral sides closer to the adjacent pockets of the same bag 1: the suction cups 12, using the device of the invention, following their converging guide 21, will get closer the same.
  • the pockets are not of the same width l 1 and if it is then of course to open the widest further to deposit a larger dose of product, it is necessary to separate the suction cups 12 therefrom, a greater distance than the others: this is possible by having two lever supports 20 as described below, articulated at the end situated on the side of the narrowest pocket 2, and then giving the closest suction cups 12 from their axis of rotation Z 1 , Z ′ 1, a spacing displacement smaller than those which are the most distant.
  • two pairs of suction cups 12 are available per bag 2, the second 12 2 lower being located between the bottom 34 of said pockets and those 12 1 upper ensuring the opening 40 of said pocket: these two sets of pairs of suction cups 12 are each preferably carried in a separate device or head, l '13 1 located at the top above the pockets and the other 13 2 located at the bottom below them.
  • a fixed support block 36 is integral with the assembly of the frame 30 of the machine of the bagging line 43 and door guides 21, fixed, preferably two per suction cup to maintain it in one plane and located one above the other in a plane parallel to the desired displacement of the latter and at angles ⁇ , ⁇ open towards said bag 1 and as defined above: for three pockets 2 and therefore three pairs of arms 32, said angles ⁇ , ⁇ formed by these and therefore their guides 21, shown in FIG. 3 are determined as a function of width l of each pocket 2 and therefore of their deformation when they are opened, determining the approximation value of the suction cups required.
  • the two lever supports 20 are articulated, either directly for the upper head 13 1 around axes Z 1 , Z ' 1 , or indirectly by two lever arms 37 driving connecting pieces 38 with a Y axis connected to said lever supports 20 which then pivot and move apart each along an axis Z 2 Z 2 'for the lower head 13 2 .
  • Said lever supports 20 articulated, drive said supports 17 of the suction cup arms 32, by means of rolling rollers 33 which can move in windows 31 1 made in said lever supports 20, in the desired direction to follow both the spacing and convergence of the suction cups 32: for this, the guide supports 17 of the suction cup arms slide on said fixed guides 21 which impose on them the angle and the orientation of movement, the levers 20 ensuring the amplitude of said movement.
  • either different devices or heads 13 1 , 13 can be produced for each type of bag, or it can be provided a minimum of adjustment of the position of said suction cups 12 relative to their support 17 2 such as by windows 39 made in said supports 17, in which said nozzle supports 12 2 are blocked by any means of attachment, or it is possible to change and adapt as for the upper assembly 13 1 the arms ends 32 of the nozzles which, as in FIG. 3, are bayonet-shaped and whose part parallel to the plane defined by the set of nozzles 12 which is also that walls of the strip 5 before deformation, are more or less long for this.
  • control rods 28 are connected to the end of said levers 20, either directly in the case of the example of the upper head 13 1 , or indirectly by the set of arms and connecting pieces 37, 38 in the case of the lower head 13 2 of FIG.
  • control rods 28 are for example, according to Figure 2, driven by secondary control levers 27 whose movement is ensured by connecting rods 26, whose reciprocating movement is controlled by a main control lever 24, articulated to one of its ends around an axis A: at its other end, this control lever 24 carries a bearing 23 held in contact by a spring 25 against a cam 22 rotated at the desired speed;
  • a drive device is perfectly known in different existing bagging lines and can simultaneously ensure the functions of all other workstations, such as those shown in Figure 1, from the same tree cam control 22.
  • the suction cups 12 1 On the upper head 13 1 , in order to help the spacing of the walls sucked by the suction cups 12 1 , there are preferably arranged as many nozzles 18 as pockets 2 for blowing a gas such as air 19 which, in addition to to help the opening 40, also allows the entire bag to swell and completes the work of the lower suction cups 12 2 .
  • a gas such as air 19
  • a bag 1 of rectangular shape as shown in FIG. 5, comprising at least two sealed pockets 2, or three as shown, produced in the same continuous strip 5 of flexible material and with double walls, sealed and closed and each containing a product of a given quantity 14 which may be different from that contained in the adjacent pocket of the same sachet 1; said bag thus comprises, according to FIG. 5, three pockets 2 of the same height h, at least two of which 2 1 and 2 2 are of different width l 1 , l 2 , ie l 1 > l 2 in order to receive in the pocket 2 1 a product 14 1 in quantity greater than that 14 2 of the bag 2 2 .
  • Each pocket 2 is connected to the adjacent one by a zone 41 of sealing, preferably comprising a line 42 for pre-cutting.
  • a zone 41 of sealing preferably comprising a line 42 for pre-cutting.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)
  • Catching Or Destruction (AREA)
  • Bag Frames (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)

Claims (9)

  1. Verfahren zum Eintüten bei dem:
    man ein durchgehendes Band (5) mit konstanter Breite aus flexiblem Material und mit doppelten Wänden bildet, die miteinander durch einen ihrer durchgehenden Ränder (34) verbunden sind;
    man lotrecht zu diesem die zwei Wände miteinander in einem Bereich (41), dessen Breite ausreicht, um zweigeteilt zu werden und dabei an jeder Seite des Schnittes die Wände verschmolzen zu halten, in gegebenen Intervallen verschmilzt, um Taschen (2) herzustellen, deren Boden dann durch den durchgehenden Rand (34) des Bandes (5) gebildet ist;
    man das Band längs der die Taschen abgrenzenden Verschmelzungen (9) zerschneidet (10), um voneinander unabhängige Tüten (1) zu erhalten;
    man die freigebliebenen Ränder jeder Tasche, die entgegengesetzt von deren Boden (34) angeordnet sind, durch wenigstens zwei Sauger (12) öffnet (40), die an je einer der Wände ziehen, man die Tüten (1) vertikal anordnet und hält;
    man jede so geöffnete Tasche (2) mit einem flüssigen, teigigen, festen oder pulverförmigen gegebenen Erzeugnis (14) füllt und man die Ränder der Öffnung (40) zum Schließen jeder Tasche (2) verschmilzt (15),
    dadurch gekennzeichnet, daß:
    man das Band (5) wenigstens alle zwei Taschen (2) zerschneidet (10), um mehrtaschige Tüten (1) zu bilden;
    man wenigstens soviele Paar Sauger (12) beidseitig des Bandes (5) anordnet (13), wie Taschen (2) jede unabhängige Tüte bilden, wobei die Sauger am Ende von Armen (32) angebracht sind, die bezogen auf ortsfeste Führungen (21) beweglich sind, die ortsfesten, an der gleichen Seite des Bandes (5) angebrachten Führungen paarweise einen unterschiedlichen Winkel bilden, dessen Öffnung α zu der durch das Band (5) definierten Ebene gerichtet ist, die Arme (32) so mit Trägern (20) verbunden sind, daß, wenn man sie spreizt, um gleichzeitig die Öffnungen (40) der Taschen (2) der gleichen Tüte (1) zu öffnen, man zwischen ihnen die Sauger annähert, die auf der gleichen Seite der Tüte (1) angeordnet sind, wobei jeder so an einer der Wände zieht, daß sie deren Verformung folgen.
  2. Verfahren zum Eintüten nach Anspruch 1, dadurch gekennzeichnet, daß man das Band (5) wenigstens alle drei Taschen (2) zerschneidet, wobei die Einheit eine unabhängige Tüte (1) bildet, und man jede Tasche (2) mit einem von den anderen Taschen unterschiedlichen Erzeugnis in mehr als zwei Stationen zum Füllen füllt (14), die längs einer Linie (43) zum Eintüten angeordnet sind.
  3. Verfahren zum Eintüten nach einem der Ansprüche 1 oder 2, dadurch gekennzeichnet, daß man zwei Paar Sauger (12) pro Tasche (2) anordnet, wobei die zweiten (122) zwischen denen (121) angeordnet sind, die die Öffnung (40) der Tasche (2) und deren Boden (34) sicherstellen.
  4. Vorrichtung zum Öffnen einer rechteckigen Tüte (1), die durch zwei Wände aus flexiblem Material hergestellt ist, die an drei Seiten verbunden sind und wenigstens eine Tasche (2) bilden, derart, daß sie wenigstens zwei Sauger (12) aufweist, die gegenüberliegend angeordnet sind, damit sie gegen jede Wand der Tüte angesetzt werden und an dieser ziehen können, um die Wände auf Höhe der vierten nicht verbundenen Seite der Tasche (2) zu öffnen (40), dadurch gekennzeichnet, daß sie wenigstens zwei Paare der Sauger (12) aufweist, die am Ende von Armen (32) angebracht sind, welche bezogen auf ortsfeste Führungen (21) bewegbar sind, wobei die beweglichen Arme gleichzeitig versetzbar sind und ihre zugehörigen ortsfesten Führungen, die an einer gleichen Seite der Tasche (2) angeordnet sind, zwischen sich paarweise einen unterschiedlichen Winkel bilden, dessen Öffnung α gegenüber dem der gleichen Öffnung α ausgerichtet ist, der durch die Arme (32) gebildet ist, die an der anderen Seite angeordnet sind und die Sauger (12) tragen, die ihnen gegenüberliegen.
  5. Vorrichtung zum Öffnen nach Anspruch 4, dadurch gekennzeichnet, daß sie wenigstens zwei Düsen (18) zum Blasen von Gas aufweist, die in der durch die gegenüberliegend angefügten Sauger (12) definierten Ebene und je zu einem Kontaktpunkt von diesen gerichtet sind.
  6. Vorrichtung zum Öffnen nach einem der Ansprüche 4 oder 5, dadurch gekennzeichnet, daß sie zwei Einheiten von Paaren mit Saugern (12) aufweist, die in parallelen Ebenen angeordnet und bewegbar sind, wobei jeder Sauger (122) der Paare der zweiten Einheit in der gleichen, zu den parallelen Ebenen der Beweglichkeit lotrechten Ebene ist, wie der Sauger (121) des Paares der ersten Einheit, der der gleichen Tasche (2) zugeordnet ist.
  7. Rechteckige Tüte (1), die nach einem der Verfahren der Ansprüche 1 bis 3 gebildet ist und wenigstens zwei Taschen (2) aufweist, die aus einem und demselben durchgehenden Band (5) aus flexiblem Material und mit doppelten, verschmolzenen und geschlossenen Wänden hergestellt sind, wobei die beiden Wände jeder der Taschen durch wenigstens einen ihrer durchgehenden Ränder miteinander verbunden sind, der derjenige des Faltens des Bandes (5) ist, dadurch gekennzeichnet, daß die Taschen (2) je zusätzlich zu einem Gas ein flüssiges, teigiges, festes oder pulverförmiges Erzeugnis in genau dosierter Menge enthalten, die von der in der benachbarten Tasche der gleichen Tüte (1) enthaltenen unterschiedlich ist, wobei die Taschen (2) die gleiche Höhe haben und wenigstens zwei von ihnen unterschiedliche Breite aufweisen.
  8. Tüte nach Anspruch 7, dadurch gekennzeichnet, daß sie wenigstens drei Taschen aufweist.
  9. Tüte nach einem der Ansprüche 7 und 8, dadurch gekennzeichnet, daß jede Tasche (2) mit der benachbarten durch einen Bereich (41) zum Verschmelzen verbunden ist, der eine vorgeschnittene Linie (42) aufweist.
EP97430012A 1996-05-22 1997-05-21 Verfahren und Vorrichtung zum Öffnen und Füllen von Mehrkammerbeuteln und dabei erzeugte Beutel Expired - Lifetime EP0808770B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9606622A FR2748989B1 (fr) 1996-05-22 1996-05-22 Procede et dispositif d'ensachage multipoches et sachets ainsi obtenus
FR9606622 1996-05-22
US08/861,777 US5845463A (en) 1996-05-22 1997-05-22 Process and device for forming multi-compartment bags and sachets thus obtained

Publications (2)

Publication Number Publication Date
EP0808770A1 EP0808770A1 (de) 1997-11-26
EP0808770B1 true EP0808770B1 (de) 2000-01-05

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EP97430012A Expired - Lifetime EP0808770B1 (de) 1996-05-22 1997-05-21 Verfahren und Vorrichtung zum Öffnen und Füllen von Mehrkammerbeuteln und dabei erzeugte Beutel

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US (1) US5845463A (de)
EP (1) EP0808770B1 (de)
DE (1) DE69701057T2 (de)
ES (1) ES2142139T3 (de)
FR (1) FR2748989B1 (de)

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Publication number Priority date Publication date Assignee Title
DE4216193A1 (de) * 1991-05-17 1992-11-19 Kao Corp Verfahren zur herstellung kontinuierlicher verpackungen in unterteilter form
FR2682932A1 (fr) * 1991-10-24 1993-04-30 Acp Ste Nouvelle Procede pour la realisation de plaquettes de sachets-doses, la machine pour la mise en óoeuvre ainsi que les plaquettes obtenues.

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DE69701057T2 (de) 2000-07-06
DE69701057D1 (de) 2000-02-10
EP0808770A1 (de) 1997-11-26
FR2748989A1 (fr) 1997-11-28
ES2142139T3 (es) 2000-04-01
US5845463A (en) 1998-12-08
FR2748989B1 (fr) 1998-08-21

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