EP1538096B1 - Verschlusseinheit für wiederverschliessbare Beuteln, erzeugte Beutel, Verfahren und Vorrichtung zur ihrer Herstellung - Google Patents

Verschlusseinheit für wiederverschliessbare Beuteln, erzeugte Beutel, Verfahren und Vorrichtung zur ihrer Herstellung Download PDF

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Publication number
EP1538096B1
EP1538096B1 EP04292857A EP04292857A EP1538096B1 EP 1538096 B1 EP1538096 B1 EP 1538096B1 EP 04292857 A EP04292857 A EP 04292857A EP 04292857 A EP04292857 A EP 04292857A EP 1538096 B1 EP1538096 B1 EP 1538096B1
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EP
European Patent Office
Prior art keywords
assembly according
closure assembly
reference mark
assembly
film
Prior art date
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Application number
EP04292857A
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English (en)
French (fr)
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EP1538096A1 (de
Inventor
Isabelle Moulin
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.)
S2F Flexico SARL
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S2F Flexico SARL
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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
    • B65B9/10—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs
    • B65B9/20—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs the webs being formed into tubes in situ around the filling nozzles
    • 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
    • B65B61/00—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages
    • B65B61/18—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for making package-opening or unpacking elements
    • B65B61/188—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for making package-opening or unpacking elements by applying or incorporating profile-strips, e.g. for reclosable bags
    • 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
    • B65D33/00—Details of, or accessories for, sacks or bags
    • B65D33/16—End- or aperture-closing arrangements or devices
    • B65D33/25—Riveting; Dovetailing; Screwing; using press buttons or slide fasteners
    • B65D33/2508—Riveting; Dovetailing; Screwing; using press buttons or slide fasteners using slide fasteners with interlocking members having a substantially uniform section throughout the length of the fastener; Sliders therefor
    • B65D33/2541—Riveting; Dovetailing; Screwing; using press buttons or slide fasteners using slide fasteners with interlocking members having a substantially uniform section throughout the length of the fastener; Sliders therefor characterised by the slide fastener, e.g. adapted to interlock with a sheet between the interlocking members having sections of particular shape
    • B65D33/255—Riveting; Dovetailing; Screwing; using press buttons or slide fasteners using slide fasteners with interlocking members having a substantially uniform section throughout the length of the fastener; Sliders therefor characterised by the slide fastener, e.g. adapted to interlock with a sheet between the interlocking members having sections of particular shape being provided with special visual, audible or tactile indicating means, e.g. indicating proper engagement
    • 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
    • B31B70/813—Applying closures
    • B31B70/8131—Making bags having interengaging closure elements

Definitions

  • the present invention relates to the field of bags equipped with a closure assembly adapted to allow successive multiple openings / closings on demand.
  • the present invention relates to the manufacture of such bags using closure assemblies comprising two profiles of thermoplastic material comprising complementary elements, adapted to be alternately engaged to allow the closure of the bags and separated to allow the opening of sachets and access to their contents.
  • the aforementioned complementary elements are formed of hook structures or elements respectively male and female provided on the two sections.
  • the objective of the present invention is to improve the state of the art.
  • a closing assembly for a resealable bag comprising, on its front longitudinal end, a mark for controlling the orientation of said closure assembly when it is put in place on a film constituting the body of the bags.
  • Said reference mark according to the present invention may be a tactile mark, that is to say a hollow or protruding element.
  • the marker is formed of a visual cue, for example a colored longitudinal border.
  • the present invention also relates to bags made using such a closure assembly and a method and a machine for manufacturing such bags.
  • FIGS. 1 and 4 show two automatic bag making machines incorporating a closure assembly.
  • automatic bag making machines are designed to manufacture, fill and automatically close the bags. They generally comprise a forming neck 10 which receives as input a film 20 in the plane state coming from a rewinder 30 and which delivers as output the film 20 shaped as a tube, a filling channel 40 which opens into this neck of forming 10 and therefore in said tube, longitudinal welding means 50 for closing the tube longitudinally and means 60 able to generate sequentially a first transverse weld before a product is introduced into the tube through the filler neck 40, then a second transverse weld when the product was introduced into the tube, to close a package around the latter.
  • FFS Automatic bag making machines
  • the aforementioned machines further comprise means for conveying on the film A closure assembly 100 from a supply 110. More precisely still, according to FIG. 1, the closure assembly 100 is conveyed on the film 20 parallel to the direction of movement of the film 20 on the neck 10. More again according to Figure 1, the closure assembly 100 is conveyed between the two longitudinal edges of the film 20 close together to form the aforesaid tube. In this case the closure assembly 100 is fixed on the two edges of the film 20 by the longitudinal welding means 50. This provision is however not limiting, in that the closure assembly 100 can be conveyed on the film 20 at a location different from the longitudinal edges thereof and / or fixed to the film 20 by means other than the means 50.
  • FIG. 4 shows a variant according to which the closure assembly 100 is not conveyed on the film 20 parallel to the direction of movement of the latter, but on the contrary, transversely to its direction of displacement.
  • the closure assembly 100 can be conveyed in the form of a continuous strip on the film 20, during deposition transversely to the direction of movement of the film 20, as illustrated in FIG. 4, the closure assembly 100 is preferably conveyed on the film 20 in the form of individualized sections.
  • the closure assembly 100 is packaged in the form of a roll 110 before it is conveyed on the film 20 at the manufacturing station.
  • the closure assembly 100 is made of thermoplastic material. It comprises two profiles 102, 104, respectively comprising complementary elements 103, 105 adapted to be alternately engaged to allow the closure of the bags and separate to allow the opening of the bags and access to their contents.
  • the two sections 102, 104 are carried by respective support webs 101, 106 generally parallel to each other.
  • the closure assembly 100 has on its front longitudinal end (the term "before” is taken with reference to the direction of introduction on the manufacturing machine) a reference 108 to control the orientation of said closure assembly 100 when it is placed on the film 20 constituting the body of the bags.
  • the reference 108 typically extends, parallel to the longitudinal direction of the assembly, over a length of a few centimeters on the front longitudinal end of the closure assembly 100, typically of the order of 10 cm.
  • the reference numeral 108 is preferably formed by a visual cue such as a colored border of a color that is distinguishable from the rest of the closure assembly.
  • Such a colored border 108 is schematised in FIGS. 5, 7 and 9 attached.
  • reference numeral 108 may be formed of a tactile mark, for example a grooved hollow-type element, or a rib-like projection.
  • the mark 108 is placed asymmetrically over the width of the closure assembly 100, more precisely on the surface (external for example) of one of the support webs 101 or 106.
  • the reference 108 ensures the correct orientation of the closure assembly on the manufacturing machine.
  • a mark 108 is provided not only on the front longitudinal end of the closure assembly 100, but also on the rear longitudinal end of said closure assembly.
  • FIG. 3 illustrates on the contrary the case of an orientation error, in the event of misalignment of the reference mark 108 provided on the front end of a conveyed closure assembly, with respect to the rear end of an assembly in progress. use.
  • Such an error can result, for example, from twisting or twisting of the closure assembly 100, between the reserve 110 and the manufacturing machine.
  • a correct orientation of the closure assembly 100 is particularly decisive when the closure assembly 100 comprises two support webs 101, 106 having different widths or when the two support webs 101, 106 are combined in the form of an assembly.
  • U as illustrated in Figure 2 or when the support webs 101, 106 are combined in a more complex shape, for example W as illustrated in Figure 8.
  • the correct orientation of the closure assembly 100 is also essential when selected areas of the closure assembly 100 comprise localized means adapted to facilitate the attachment of the closure assembly 100 to the film 20, for example in the form of localized treatments or structures such as localized streaks or any other equivalent means.
  • the present invention applies to any closure assembly regardless of its constituent material.
  • the present invention makes it possible to appreciably improve the production rates by limiting the rejects due to a bad orientation, and without burdening the cost price of the closure assemblies 100, insofar as the tactile or visual reference mark 108 is limited to the front longitudinal end, see if necessary also to the rear longitudinal end of the closure assembly 100.
  • the present invention can be applied to any type of closure assembly compatible with the invention.
  • FIGS. 5, 6, 8 and 9 show complementary elements 103, 105 of the male / female type, while FIGS. 7 show complementary elements 103, 105 of the complementary hook type.
  • the present invention applies to all these embodiments and any equivalent variant.
  • FIGS. 5, 6 and 7 show alternative embodiments in which the support webs 101, 106 are separated and preferably of different widths. As illustrated in FIGS. 5 and 6, the two support webs 101, 106 may be centered or asymmetrical as illustrated in FIG. 7.
  • FIG. 9 shows a variant embodiment in which the closure assembly 100 is equipped with sliders 120.
  • the sliders 120 comprise a base 122 carrying two lateral sails 124, 126 and a central sole 128 which defines with the two lateral sails 124, 126, two non-parallel passages 127, 128 receiving respectively one of the two 102, 104.
  • the movement of the slider 120 in one direction ensures the engagement of the complementary elements 103, 105.
  • the displacement of the slider 120 in the opposite direction tends to separate the complementary elements 103, 105.
  • the reference numeral 108 is formed on the closure assembly during the extrusion thereof or at the extrusion outlet.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Making Paper Articles (AREA)
  • Slide Fasteners (AREA)
  • Bag Frames (AREA)

Claims (20)

  1. Verschlußbaugruppe für wiederverschließbare Beutel, dadurch gekennzeichnet, daß sie auf ihrem vorderen Längsende eine Markierung (108) umfaßt, die es gestattet, die Ausrichtung der genannten Verschlußbaugruppe während ihrer Anbringung auf einer Folie zu kontrollieren, die den Körper der Beutel bildet.
  2. Baugruppe nach Anspruch 1, dadurch gekennzeichnet, daß sie auch auf ihrem hinteren Längsende eine Markierung (108) umfaßt, die es gestattet, die Ausrichtung der genannten Schließbaugruppe zu kontrollieren.
  3. Baugruppe nach Anspruch 2, dadurch gekennzeichnet, daß die Markierung (108), die auf dem hinteren Längsende vorgesehen ist, identisch ist mit der Markierung (108), die auf dem vorderen Längsende vorgesehen ist.
  4. Baugruppe nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß die Markierung (108) eine visuelle Markierung ist.
  5. Baugruppe nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß Markierung (108) von einem farbigen Band gebildet ist.
  6. Baugruppe nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß die Markierung (108) eine fühlbare Markierung ist.
  7. Baugruppe nach einem der Ansprüche 1 bis 3 und 6, dadurch gekennzeichnet, daß die Markierung (108) von einer Rille oder Rippe gebildet ist.
  8. Baugruppe nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß sie in Form einer Rolle ausgebildet ist.
  9. Baugruppe nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, daß sich die Markierung (108) parallel zur Langsrichtung der Baugruppe erstreckt.
  10. Baugruppe nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, daß sich die Markierung (108) über eine Lange von einigen Centimetern, typischerweise in der Größenordnung von 10 cm, erstreckt.
  11. Baugruppe nach einem der Ansprüche 1 bis 10, dadurch gekennzeichnet, daß sie komplementäre Elemente (103, 104) nach Art von Haken oder auch nach Vater-/Mutterart umfaßt.
  12. Baugruppe nach einem der Ansprüche 1 bis 10, dadurch gekennzeichnet, daß sie zwei komplementäre Profile umfaßt, die durch Trägergürtel (101, 106) unterschiedlicher Breite getragen werden.
  13. Baugruppe nach einem der Ansprüche 1 bis 12, dadurch gekennzeichnet, daß die Markierung (108) in asymmetrischer Weise auf der genannten Baugruppe aufgesetzt ist.
  14. Baugruppe nach einem der Ansprüche 1 bis 13, dadurch gekennzeichnet, daß sie einen Läufer umfaßt.
  15. Beutel, dadurch gekennzeichnet, daß er eine Verschlußbaugruppe nach einem der Ansprüche 1 bis 14 umfaßt.
  16. Verfahren zur Herstellung von Beuteln, dadurch gekennzeichnet, daß es den Schritt der Befestigung eine Verschlußbaugruppe nach einem der Ansprüche 1 bis 14 auf einer Folie umfaßt.
  17. Maschine zur Herstellung von Beuteln, dadurch gekennzeichnet, daß sie Mittel zum Zuführen von Folien, Mittel zum Zuführen einer Verschlußbaugruppe nach einem der Ansprüche 1 bis 14 und Mittel zur Befestigung der Verschlußbaugruppe auf der Folie umfaßt.
  18. Maschine nach Anspruch 17, dadurch gekennzeichnet, daß sie folgendes umfasst: einen Formgebungshals (10), der am Einlaß eine Folie (20) in ebenem Zustand aufnimmt, die von einer Abwickeleinrichtung (30) herkommt, und der am Auslaß die als Röhre verformte Folie (20) abgibt, eine Einfüllrutsche (40), die in den Formgebungshals (10) und demzufolge in die genannte Röhre einmündet, Mittel (50) zur Längsverschweißung zum Schließen der Röhre in Längsrichtung und Mittel (60), die geeignet sind, aufeinanderfolgend eine erste Querverschweißung, bevor ein Produkt durch den Fülltrichter in die Röhre eingebracht wird, und dann eine zweite Querverschweißung zu erzeugen, wenn das Produkt in die Röhre eingeleitet wurde, um eine Verpackung um dieses letztgenannte zu verschließen.
  19. Maschine nach einem der Ansprüche 17 oder 18, dadurch gekennzeichnet, daß sie Mittel umfaßt, die geeignet sind, eine Verschlußbaugruppe nach einem der Ansprüche 1 bis 14 auf einer Folie beim Vorschub parallel zu deren Vorschubrichtung zu befestigen.
  20. Maschine nach einem der Ansprüche 17 oder 18, dadurch gekennzeichnet, daß sie Mittel umfaßt, die geeignet sind, eine Verschlußbaugruppe nach einem der Ansprüche 1 bis 14 auf einer Folie beim Vorschub quer zu deren Vorschubrichtung zu befestigen.
EP04292857A 2003-12-03 2004-12-02 Verschlusseinheit für wiederverschliessbare Beuteln, erzeugte Beutel, Verfahren und Vorrichtung zur ihrer Herstellung Active EP1538096B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0314190A FR2863255B1 (fr) 2003-12-03 2003-12-03 Ensemble de fermeture pour sachets refermables, sachets obtenus, machine et procede pour la fabrication de ceux-ci
FR0314190 2003-12-03

Publications (2)

Publication Number Publication Date
EP1538096A1 EP1538096A1 (de) 2005-06-08
EP1538096B1 true EP1538096B1 (de) 2007-03-21

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EP04292857A Active EP1538096B1 (de) 2003-12-03 2004-12-02 Verschlusseinheit für wiederverschliessbare Beuteln, erzeugte Beutel, Verfahren und Vorrichtung zur ihrer Herstellung

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EP (1) EP1538096B1 (de)
DE (1) DE602004005404T2 (de)
FR (1) FR2863255B1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3599177A1 (de) * 2018-07-24 2020-01-29 GEA Food Solutions Weert B.V. Vertikale form-füll-siegelmaschine mit einer erweiterungseinheit zur herstellung von verpackungen mit einem reissverschluss

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2475261A1 (fr) 1980-02-06 1981-08-07 Lesbros Jean Louis Poissons educatifs, permettant de reproduire et d'etudier leurs principaux modes d'avancement
AU6597486A (en) * 1985-11-08 1987-06-02 Kcl Corporation Reclosable flexible container
FR2745261B1 (fr) 1996-02-27 1998-05-07 Flexico France Sarl Machine de formation, remplissage et fermeture automatique de sacs, a profiles de fermeture transversaux
FR2778362B1 (fr) 1998-05-05 2000-07-28 Flexico France Sarl Procede de realisation de sachets comportant des profiles de fermeture actionnes par curseur
CA2269358C (en) * 1998-05-21 2005-04-12 Illinois Tool Works Inc. Transverse direction zipper tape
FR2817842B1 (fr) * 2000-12-07 2003-05-30 Flexico France Sarl Sachet a profiles de fermeture, a fermeture facile
FR2824806B1 (fr) * 2001-05-15 2003-09-19 Flexico France Sarl Procede de realisation de sachets comportant des profiles de fermeture actionnes par curseur, machine de fabrication et sachets obtenus

Also Published As

Publication number Publication date
DE602004005404D1 (de) 2007-05-03
EP1538096A1 (de) 2005-06-08
FR2863255B1 (fr) 2006-03-03
DE602004005404T2 (de) 2007-12-13
FR2863255A1 (fr) 2005-06-10

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