EP0994772B1 - Procede de realisation de sachets comportant des profiles de fermeture actionnes par curseur - Google Patents

Procede de realisation de sachets comportant des profiles de fermeture actionnes par curseur Download PDF

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Publication number
EP0994772B1
EP0994772B1 EP99916982A EP99916982A EP0994772B1 EP 0994772 B1 EP0994772 B1 EP 0994772B1 EP 99916982 A EP99916982 A EP 99916982A EP 99916982 A EP99916982 A EP 99916982A EP 0994772 B1 EP0994772 B1 EP 0994772B1
Authority
EP
European Patent Office
Prior art keywords
fact
closure
assembly
bags
sealing
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
EP99916982A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0994772A1 (fr
Inventor
Henri Georges Bois
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.)
Flexico France SARL
Original Assignee
Flexico France SARL
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 Flexico France SARL filed Critical Flexico France SARL
Publication of EP0994772A1 publication Critical patent/EP0994772A1/fr
Application granted granted Critical
Publication of EP0994772B1 publication Critical patent/EP0994772B1/fr
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
    • 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
    • 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
    • B31B70/8132—Applying the closure elements in the machine direction
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S493/00—Manufacturing container or tube from paper; or other manufacturing from a sheet or web
    • Y10S493/916—Pliable container
    • Y10S493/927—Reclosable

Definitions

  • the present invention relates to the field of sachets comprising complementary closure profiles designed to allow a series of successive openings / closings by a user.
  • the present invention relates to the field of bags whose closure profiles are ordered upon opening, respectively when closing with a cursor.
  • Bags comprising closure profiles actuated by slider offer the huge advantage, compared to sachets devoid of cursor, easy to handle.
  • the cursor facilitates the release of the profiles for opening the bags, or respectively engaging the profiles for closing said sachets. You just have to move the cursor to translation along the profiles.
  • the present invention now aims to provide new means for the automatic production of sachets having slider-operated closure / opening profiles.
  • the present invention ensures the initial seal of the bags and allows easy control and visualization of any opening or attempt inadvertent opening of these sachets.
  • this invention makes it possible to locate the latter outside the attachment zone (preferably materialized by welding jaws) of the assembly closure on the film making up the bag.
  • the present invention also makes it possible to deliver the sachets, either in the open state or in the closed state, depending on demand.
  • the present invention also relates to a machine for automatic manufacturing of sachets for the implementation of the process mentioned above, as well as the sachets thus obtained and the closure assembly for this process.
  • the present invention concern the manufacture on automatic machines of resealable bags slider-actuated closure profiles.
  • the present invention can be applied equally well to automatic production of bags with horizontal scrolling than at machines with automatic production of bags with vertical scrolling.
  • the present invention applies equally well to automatic bag making machines with filling during from a stage subsequent to manufacture and possibly separated geographically from the place of manufacture, than to manufacturing machines, filling and closing, in a single place and during stages successive.
  • the present invention applies preferentially, but not limitatively, to the machines for manufacturing, filling and closing of automatic bags (generally called "form, fill and seal” in English), and very advantageously such scrolling machines vertical.
  • these machines generally include a forming collar 100 which receives as input a film 110 in the planar state from an unwinder 112 and which provides the output film 110 shaped into a tube, a chute filling 120 which opens into this forming neck 100 and by consequently in said tube, longitudinal welding means 130 for close the tube longitudinally and means 140 capable of generating sequentially a first transverse weld before a product either introduced into the tube by the filler neck 120, then a second transverse weld when the product has been introduced into the tube, to close a package around it.
  • the automatic bag forming machine also receives a closure assembly 10 which comprises, as illustrated in FIG. 1, a support sheet 20 conformed in W, constituting on the one hand a strip tamper evident 22 in internal U provided on its internal surfaces 23, 24 in look respectively at complementary closure profiles 30, 40, and on the other hand, the external lateral veils 26, 28 which extend beyond the closure profiles 30, 40 and the internal U-band 22, the assembly of closure 10 also being pre-equipped with a series of sliders 50 actuating the closing profiles 30, 40 distributed over the length of the closure assembly routed.
  • a closure assembly 10 which comprises, as illustrated in FIG. 1, a support sheet 20 conformed in W, constituting on the one hand a strip tamper evident 22 in internal U provided on its internal surfaces 23, 24 in look respectively at complementary closure profiles 30, 40, and on the other hand, the external lateral veils 26, 28 which extend beyond the closure profiles 30, 40 and the internal U-band 22, the assembly of closure 10 also being pre-equipped with a series of sliders 50 actuating the closing profiles 30, 40
  • the closing profiles 30, 40 can be the subject of many variants. It is preferably respectively additional male / female profiles. Their structure will not described in more detail later.
  • each cursor 50 can be the subject of numerous variant embodiments.
  • each cursor is composed, as seen in Figure 1 of a sole 52 which bears on one side two lateral wings 54, 56 and a central separation rib 58 which defines in combination with the side wings 54, 56 two aisles converging / diverging depending on the direction considered, intended to receive respectively one of the sections 30, 40.
  • the structure of the sliders likely to be used in the context of the invention will not be described in more detail later.
  • the step of arrangement of the cursors 50 on the closure assembly 10 is equal to the size of the sachets to be formed.
  • this set of closure 10 is preferably conveyed longitudinally and fixed (from preferably by welding) via these external side sails 26, 28 on the free edges of the film 110 shaped into a tube.
  • the external support sails 26, 28 are very preferably welded to the film 110, at their section free 26a, 28a, located beyond the central U-shaped band 22.
  • the sails 26, 28 are welded to the film 110 using the means 130 mentioned above ensuring the longitudinal welding of the film.
  • the closure assembly 10 is sectioned to the size of the bag by the conventional cutting means, preferably associated with the means of transverse weld 140 ensuring the individualization of the sachets.
  • closure profiles 30, 40 are in taken (closed position) when fixing on the film 110. This arrangement guarantees precise and correct positioning of the closure assembly 10 on film 110.
  • closure profiles 30, 40 can be subsequently separated by moving the sliders 50 using a tool appropriate, if necessary.
  • pre-welds 60 it is also possible to provide pre-welds 60 to constant connection between the closing profiles 30, 40 before the delivery on the training machine automatic bag.
  • the pitch of these pre-welds 60 is equal to the size sachets.
  • the closure sections 30, 40 are engaged (closed position) between the cursor 50 and one of the pre-welds 60 and clear (open position) between the cursor 50 and the other pre-weld 60 adjacent.
  • pre-welds 60 are not always indispensable.
  • the implementations which avoid the use of such pre-welds have the advantage of avoiding any need for identification of the position of the closure assembly relative to the film.
  • a line of weakness or pre-cutting can be provided on the central U-shaped band 22, for example in the middle position of it.
  • Such a pre-cutting line is shown diagrammatically under the reference 25 in Figure 1.
  • the sheet 20 supporting the profiles, as well as the film 110 used in the scope of the present invention can be the subject of numerous variant embodiments. It can be a simple film made of material thermoplastic, see composite thermoplastic film, i.e. formed by juxtaposing different layers of different nature, or complex film formed for example from plastic coated paper or film Metallic.
  • a longitudinal routing of the closure assembly 10 that is to say a displacement of the assembly of closure 10 in the same direction as film 110.
  • Those skilled in the art know many machines for conveying transverse closing profiles. For this reason, this provision does not will not be described in more detail below.
  • a routing closure profiles transverse to the direction of the film 110 can either route the closure assembly as a section individualized pre-cut to the size of the sachets, either in the form of a continuous strip cut in situ to the size of the bag.
  • the bags are produced using two component films respectively the two main walls of the bag.
  • the complementary closure profiles 30, 40 can be reported, for example glued or welded, on the support sheet 20 or come in the mass, for example from molding, with this support sheet 20.
  • the width of the sails external lateral 26, 28 can be of the order of 25 to 40 mm. Furthermore, according to a variant the external lateral webs 26, 28 can be welded to their full width on the film of the sachets. In this case, the sections referenced 26a, 28a in Figure 1 are merged with the sails 26 and 28

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Making Paper Articles (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)
  • Bag Frames (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)
  • Earth Drilling (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
EP99916982A 1998-05-05 1999-05-04 Procede de realisation de sachets comportant des profiles de fermeture actionnes par curseur Expired - Lifetime EP0994772B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9805681A FR2778362B1 (fr) 1998-05-05 1998-05-05 Procede de realisation de sachets comportant des profiles de fermeture actionnes par curseur
FR9805681 1998-05-05
PCT/FR1999/001053 WO1999056947A1 (fr) 1998-05-05 1999-05-04 Procede de realisation de sachets comportant des profiles de fermeture actionnes par curseur

Publications (2)

Publication Number Publication Date
EP0994772A1 EP0994772A1 (fr) 2000-04-26
EP0994772B1 true EP0994772B1 (fr) 2002-07-31

Family

ID=9526053

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99916982A Expired - Lifetime EP0994772B1 (fr) 1998-05-05 1999-05-04 Procede de realisation de sachets comportant des profiles de fermeture actionnes par curseur

Country Status (14)

Country Link
US (3) US6477821B1 (es)
EP (1) EP0994772B1 (es)
AT (1) ATE221453T1 (es)
AU (1) AU744039B2 (es)
BR (1) BR9906419A (es)
CA (1) CA2295995C (es)
DE (1) DE69902332T2 (es)
DK (1) DK0994772T3 (es)
ES (1) ES2179645T3 (es)
FR (1) FR2778362B1 (es)
NZ (1) NZ502162A (es)
PT (1) PT994772E (es)
WO (1) WO1999056947A1 (es)
ZA (1) ZA200000092B (es)

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FR2778362B1 (fr) * 1998-05-05 2000-07-28 Flexico France Sarl Procede de realisation de sachets comportant des profiles de fermeture actionnes par curseur
FR2785259B1 (fr) * 1998-11-02 2001-12-07 Flexico France Sarl Sachet comprenant des profiles de fermeture complementaires actionnes par curseur

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WO1999036325A1 (fr) * 1998-01-16 1999-07-22 Flexico-France Sachet comprenant des profiles de fermeture complementaires actionnes par curseur, ainsi que procede, machine et film pour sa production

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US6477821B1 (en) 2002-11-12
ATE221453T1 (de) 2002-08-15
CA2295995A1 (fr) 1999-11-11
DK0994772T3 (da) 2002-12-02
US6666580B2 (en) 2003-12-23
US20020150313A1 (en) 2002-10-17
ZA200000092B (en) 2000-07-12
DE69902332D1 (de) 2002-09-05
AU744039B2 (en) 2002-02-14
PT994772E (pt) 2002-11-29
WO1999056947A1 (fr) 1999-11-11
NZ502162A (en) 2001-03-30
AU3527299A (en) 1999-11-23
EP0994772A1 (fr) 2000-04-26
ES2179645T3 (es) 2003-01-16
DE69902332T2 (de) 2003-02-13
FR2778362A1 (fr) 1999-11-12
US20020134046A1 (en) 2002-09-26
BR9906419A (pt) 2000-07-11
CA2295995C (fr) 2008-01-15
FR2778362B1 (fr) 2000-07-28

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