EP3148883A1 - Machine et methode de formage-remplissage-scellage pour sachet a ruban - Google Patents
Machine et methode de formage-remplissage-scellage pour sachet a rubanInfo
- Publication number
- EP3148883A1 EP3148883A1 EP15723215.8A EP15723215A EP3148883A1 EP 3148883 A1 EP3148883 A1 EP 3148883A1 EP 15723215 A EP15723215 A EP 15723215A EP 3148883 A1 EP3148883 A1 EP 3148883A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- bag
- ribbon
- film
- edge
- sheet
- 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.)
- Granted
Links
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
- B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
- B65B51/04—Applying separate sealing or securing members, e.g. clips
- B65B51/046—Applying a closure element to the mouths of bags
-
- 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
- B65B39/00—Nozzles, funnels or guides for introducing articles or materials into containers or wrappers
-
- 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
- B65B39/00—Nozzles, funnels or guides for introducing articles or materials into containers or wrappers
- B65B39/007—Guides or funnels for introducing articles into containers or wrappers
-
- 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
- B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
- B65B51/10—Applying or generating heat or pressure or combinations thereof
- B65B51/22—Applying or generating heat or pressure or combinations thereof by friction or ultrasonic or high-frequency electrical means, i.e. by friction or ultrasonic or induction welding
-
- 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
- B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
- B65B51/10—Applying or generating heat or pressure or combinations thereof
- B65B51/26—Devices specially adapted for producing transverse or longitudinal seams in webs or tubes
- B65B51/30—Devices, e.g. jaws, for applying pressure and heat, e.g. for subdividing filled tubes
-
- 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
-
- 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
-
- 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
- B65D33/28—Strings or strip-like closures, i.e. draw closures
-
- 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
- B31B70/8134—Applying strings; Making string-closed bags
- B31B70/8135—Applying strings; Making string-closed bags the strings being applied in the machine direction
-
- 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
- B31B70/8134—Applying strings; Making string-closed bags
- B31B70/8136—Applying strings; Making string-closed bags the strings being applied in the cross direction
-
- 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
- B31B70/8134—Applying strings; Making string-closed bags
- B31B70/8137—Applying strings; Making string-closed bags the ends of the strings being attached to the side edges of the bags
Definitions
- the present invention relates to the field of sachets.
- the present invention relates to the field of bags whose closure is provided by pulling on ribbons or cords.
- cord or “ribbon” will be used interchangeably without this being considered as limiting.
- cord or tape as used in the context of the present patent application covers in particular any type of cord, tape, wire or equivalent means capable of fulfilling the function corresponding to the present invention.
- FIGS. 1 and 2 are shown respectively in a perspective view and in a cross-sectional view of a bag of this type known from the state of the art.
- FIG. 1 shows a bag 10 comprising two main sheets 12, 14.
- the sheets 12 and 14 are generally rectangular and parallel to each other.
- the sheets 12 and 14 are connected at a bottom 16 and two sides 17, 18 opposite each other, parallel to each other and perpendicular to the bottom 16, and an open mouth 19 opposite the bottom 16.
- the bag 10 shown in Figure 1 further comprises near the mouth 19 two sets of parallel channels 30, 32 and 40, 42 respectively receiving a cord or closure tape 31, 33 and 41, 43.
- a first series of channels comprises two parallel channels 30, 32 adjacent to the mouth 19 respectively on each of the two sheets 12, 14.
- a second series of channels comprises two other channels 40, 42 parallel to each other, respectively on each of the two sheets 12, 14 set back from the mouth 19.
- Each of the two channels 30, 32 of the aforementioned first series receives a strand of cord 31, 33.
- These two strands of cords 31, 33 are interconnected by nodes 35, 36 on both sides of the bag 10 on the outside of the bag 10.
- Each of the channels 40, 42 of the second series receives a strand of cord 41, 43.
- the two strands 41, 43 are interconnected by nodes 45, 46 on either side of the bag 10, on the outside the bag.
- cordet bags of the type illustrated in Figures 1 and 2 attached are of real interest insofar as they allow in principle a simple opening and a simple and reversible closure of the bags 10.
- the knotting of the strands 31 and 33, 41 and 43 does not make it possible to carry out an automatic filling of the bags 10.
- the forming and filling machines are necessarily distinct, because of the need to tie the strands 31, 33, 41, 43 outside the filling line.
- An object of the invention is therefore to improve known processes and machines in order to allow the forming, filling and sealing of ribbon packaging bags, which are simple and easy to implement while improving the rate of production. manufacture of the string bags, and this for a lower manufacturing cost.
- the invention proposes a forming, filling and sealing machine for the manufacture and filling of a ribbon bag, said sachet comprising a first sheet and a second sheet forming together a first edge and a second edge of the sachet. , and a tape closure device, the form-fill-seal machine comprising:
- a device configured to bring a film to the machine, a routing device configured to position at least one ribbon on the film,
- a folding device configured to fold the film so as to form the first sheet and the second sheet of the bag
- first and second solder jaws configured to weld the first sheet and the second sheet so as to close two sides of the bag and to leave a third side of the bag open
- a filler chute configured to fill the bag by the third side of the bag
- the routing device is configured to position two ribbons on the film, said ribbons extending substantially parallel to one another,
- the machine further comprises a device configured to form a channel configured to receive the ribbon, by fixing a band welded over the ribbon or by folding and welding the film over the ribbon,
- the routing device is configured to position the ribbon in a direction transverse to a running direction of the film.
- the folding device comprises a forming neck
- the first welding jaws are configured to weld the first edge of the bag
- the second and third solder jaws are combined and configured to successively weld the bottom and the mouth of the bag
- the routing device is configured to position two ribbons on the film, said ribbons extending substantially parallel to one another,
- the routing device is configured to position the ribbons on the film so that the first ribbon is adjacent to a first side of the film and the second ribbon is adjacent to a second side of the film, the first ribbon and the second ribbon being of length substantially equal to half the width of the film, so that the first ribbon and the second ribbon are substantially offset relative to each other. the other in a direction perpendicular to the direction of travel of the film,
- the machine further comprises a device configured to form a first notch in the first side of the film in a zone of the film intended to receive the first ribbon, and a second notch in a central zone of the film, in a zone of the film intended for receiving the second ribbon, so that when folding the film by the folding device, the first notch is at the first edge of the bag and the second notch is at the second edge of the bag,
- the machine further comprises fourth welding jaws configured to weld the first ribbon on the second edge of the bag and the second ribbon on the first edge of the bag,
- the routing device is configured to position the ribbon on the film so that said ribbon protrudes on either side of said film
- the folding device is configured to fold the film so that the free ends of the ribbon are adjacent
- the folding device is configured to form the second edge of the bag, and the first and second solder jaws are merged and configured to successively weld the bottom and the mouth of the bag, and the third solder jaws are configured to weld the first edge of the bag,
- the machine further comprises fourth solder jaws configured to weld the ribbon to the film at an area of the film intended to form the second edge of the bag, so as to weld the ribbon both on the second sheet and on the first leaf, the machine further comprises fourth welding jaws configured to weld the ribbon to the film in an area of the film intended to form the first edge of the bag, the ribbon not being fixed on the second sheet,
- the fourth welding jaws and the first welding jaws or the third welding jaws are combined and are configured to weld the ribbon on the first sheet at the first edge of the bag, the ribbon not being fixed on the second sheet ,
- the routing device is configured to position two ribbons on the film, said ribbons extending substantially parallel to each other in the direction of travel of the film, so that the first ribbon is adjacent to a ribbon; first side of the film and the second ribbon is adjacent to a second side of the film,
- the folding device comprises a forming neck, the first welding jaws are configured to weld the mouth of the bag, and the second and third solder jaws are merged and are configured to successively weld the first edge of the bag and the second edge of the bag,
- the folding device is configured to form the bottom of the bag, and the first and second solder jaws are merged and are configured to successively weld the first edge and the second edge of the bag, and the third solder jaws are configured to solder the mouth of the bag,
- the machine further comprises fourth welding jaws configured to weld the first ribbon on the second edge of the bag and the second ribbon on the first edge of the bag,
- the machine further comprises fourth welding jaws configured to weld the first ribbon and the second ribbon together,
- the machine further comprises fourth welding jaws configured to weld the first ribbon and the second ribbon to the second edge of the bag, the machine further comprises fourth welding jaws configured to weld the first ribbon in an area remote from the second edge of the bag and the second ribbon in an area remote from the first edge of the bag,
- the fourth welding jaws are combined with the first or second welding jaws or coincide with the second or third welding jaws.
- the invention also proposes a method for manufacturing and filling a ribbon bag by means of a fornnage-reinforcement-sealing machine as described above, said sachet comprising a first sheet and a second sheet forming together a first edge and a second edge of the bag, and a tape closure device, the method of manufacturing and filling comprising the steps of:
- a channel configured to receive the ribbon is formed by fixing a welded strip over the ribbon or by folding and welding the film over the ribbon,
- the ribbon is positioned in a direction transversal to a running direction of the film, the film is folded so as to form the second edge of the bag, the first and the second sheet are welded so as to form the first edge and the bottom of the bag, and the bag is closed by sealing the mouth of the bag,
- the ribbons are positioned on the film so that the first ribbon is adjacent to a first side of the film and the second ribbon is adjacent to a second side of the film, the first ribbon and the second ribbon being of length substantially equal to one half of the width of the film, so that the first ribbon and the second ribbon are substantially offset relative to each other in a direction perpendicular to the running direction of the film,
- a first notch is formed in the first side of the film in an area of the film intended to receive the first ribbon
- a second notch is formed in a central zone of the film, in an area of the film intended to receive the second ribbon, so that when folding the film, the first notch is at the first edge of the bag and the second notch is at the second edge of the bag,
- the first ribbon is welded to the second edge of the bag and the second ribbon is welded to the first edge of the bag
- the ribbon is positioned on the film so that said ribbon protrudes on either side of said film, and the film is folded so that the free ends of the ribbon are adjacent,
- the film is folded so as to form the second edge of the bag, and the first and second sheets are welded so as to form the bottom and the mouth of the bag, and the bag is closed by sealing the first edge of the bag,
- the tape is welded to the film at an area of the film intended to form the second edge of the bag, so as to weld the tape both on the second sheet and on the first sheet, the ribbon is welded to the film in an area of the film intended to form the first edge of the bag, the ribbon not being fixed on the second sheet,
- the welding of the ribbon occurs simultaneously with the welding of the first and second sheets so as to weld the ribbon on the first sheet at the first edge of the bag, the ribbon not being fixed on the second sheet,
- two ribbons are positioned on the film, said ribbons extending substantially parallel to one another in the direction of travel of the film, so that the first ribbon is adjacent to a first side of the film and the second ribbon is adjacent to a second side of the film,
- the film is folded to form the bottom of the bag, the first and second sheets are welded to form the mouth and the second edge of the bag, and the bag is closed by sealing the first edge of the bag.
- the film is folded to form the bottom of the bag, and the first and second sheets are welded to form the first and second edge of the bag, and the bag is closed by sealing the mouth of the bag.
- the first ribbon is welded to the second edge of the bag and the second ribbon is welded to the first edge of the bag
- the first ribbon and the second ribbon are welded to the second edge of the sachet
- the first ribbon is welded in an area remote from the second edge of the bag and the second ribbon is welded in an area at a distance from the first edge of the bag,
- the welding of the first and second ribbon occurs simultaneously with the welding of the first and second sheets or with the welding of the first and second sheets and with the closure of the bag.
- FIGS. 3a to 3e show different examples of bags obtained by means of a forming-filling-sealing machine according to a first embodiment of the invention
- FIG. 4 represents a flowchart of a method for implementing the forming-filling-sealing machine according to the first embodiment of the invention
- FIG. 5a shows a first example of a forming-filling-sealing machine according to the first embodiment of the invention
- FIG. 5b represents a second example of a forming-filling-sealing machine according to the first embodiment of the invention.
- FIGS. 5c and 5d show variants of the second example of a forming-filling-sealing machine according to the first embodiment of the invention
- FIGS. 6a to 6d show various examples of bags obtained by means of a forming-filling-sealing machine according to a second embodiment of the invention
- Fig. 7 is a flowchart of a method of operating the forming-fill-sealing machine according to the second embodiment of the present invention.
- FIGS. 8a to 8c show sectional views, in section, of different examples of bags according to the second embodiment of the invention
- FIG. 9a represents a first example of a forming-filling-sealing machine according to the second embodiment of the invention.
- FIG. 9b shows a second example of a forming-filling-sealing machine according to the second embodiment of the invention.
- the first embodiment relates to a method of manufacturing a cordeted bag (100) on a forming, filling and sealing machine in which the closure device 120 is received in a transverse direction, that is to say perpendicular to the running direction of the film in the machine.
- the second embodiment relates to a method of manufacturing a cordet bag (100) on a forming, filling and sealing machine in which the closure device 120 is received in the longitudinal direction, that is, that is, parallel to the direction of movement of the film in the machine.
- FIGS. 3 to 5 illustrate several examples of a ribbon bag 100, a method S10 of manufacturing and filling a ribbon bag 100, and a forming-filling-sealing machine 200, 300 according to a first embodiment of FIG. the invention.
- Examples of a ribbon bag 100 according to the first embodiment Figures 3a to 3e show examples of ribbon bags 100 obtainable by a method S10 for manufacturing and filling a ribbon bag 100 according to the first embodiment of the invention.
- the bag 100 comprises a first sheet 1 12 and a second sheet 1 14 parallel and adjacent at rest, and interconnected to form sides.
- Each of the sides of the first and second sheets 1 12, 1 14 corresponds to a bottom 1 16, two side edges 1 17, 1 18 parallel to each other and orthogonal to the bottom 1 16 and a mouth 1 19 parallel to the bottom 1 16 and orthogonal to the side edges 1 17, 1 18.
- the material constituting the film 1 is a heat-sealable material, especially a thermoplastic material that can be welded.
- the plastic material may in particular belong to the family of polyolefins and comprise at least one of the following materials: polyethylene, polypropylene, low density polyethylene, high density polyethylene, or a copolymer of these monomers.
- the sheets 1 12, 1 14 may be transparent. They may, however, be provided with any appropriate printing or decoration.
- Sheets January 12, January 14 may also be made of composite material, incorporating for example sheets of paper and / or metal, for example sandwich structure.
- the film 1 in the composite material comprises an inner face 1 13 formed in a heat-sealable material, in particular a thermoplastic material.
- the plastic material may in particular belong to the family of polyolefins and comprise at least one of the following materials polyethylene, polypropylene, low density polyethylene, high density polyethylene, or a copolymer of these monomers.
- the bag 100 further comprises a closure device 120 comprising:
- a channel 130 extending along the two sheets 1 12, 1 14 of the bag 100 between the edges 1 17, 1 18, the channel 130 comprising a first end 132 and a second end 134 adjacent to the first edge 1 17, and
- a ribbon 136 housed in the channel 130 between the first end 132 and the second end 134 so that the two free ends of the ribbon 136 are flush with the channel 130 at the same edge 1 17 of the bag 100 and thus forms a loop.
- the ribbon 136 is additionally projecting from at least one of the ends 132, 134 of the channel 130.
- the closure of the bag 100 is therefore effected by pulling on the free ends of the ribbon 136 in the extension of the channel 130, in the same direction, by grasping the first edge 17 of the bag at which the ribbon 136 projects.
- the ribbon 130 is left free to slide in the channel 130. It will be understood that the loop formed by the ribbon 136 in its channel 130 makes it possible to limit the risks that the ribbon 136 will exit the channel 130, without the need to form a node at its free ends.
- the ribbon 136 is welded to the channel 130.
- the ribbon 136 is for example welded to the channel 130 in an area adjacent to the second edge 1 18 of the bag 100, as shown in Figure 3b.
- the ribbon 136 is thus welded in an area extending generally midway from the ends 132, 134 of the channel 130.
- the ribbon 136 can then be welded either directly to the second edge 1 18, or low distance from the second edge 1 18.
- the ribbon 136 may also be welded to the channel 130 in an area adjacent to the first end 132 of said channel 130, as shown in Figure 3c.
- the ribbon 136 can then be welded either directly at the first end 132 of the channel 130, or at a short distance from the first end 132.
- the weld 138 of the ribbon 136 to the channel 130 to block the ribbon 136 in the channel 130 without the need to form a node at its free ends.
- the ribbon 136 protrudes from the first edge 11 of the channel 130.
- the free ends 132, 134 of the ribbon 136 may also be welded together at their protruding part of the ends 132. , 134 of the channel 130.
- the length of the ribbon 136 may globally correspond to the length of the channel 130.
- the bag 100 may also be provided with a notch 137 (or clearances) formed at the ends 132, 134 of the channel 130 of which the ribbon 136 protrudes.
- the length of the ribbon 136 can then be substantially equal to that of the channel 130, while allowing easy handling by a user.
- the bag 100 comprises a closure device 120 comprising:
- first channel 130 and a second channel 140 extending between the edges 17, 18 of the bag, respectively on the first and second sheets 112, 114 of the bag 100, the first channel 130 and the second channel 140 each comprising a first end 132, 142 and a second end 134, 144, and - a first ribbon 136, housed in the first channel 130, and a second ribbon 146, housed in the second channel 140, the first ribbon 136 projecting from the first end 132 of the first channel 130 and the second ribbon 146 projecting from the second end 144 of the second channel 140.
- the first ribbon 130 is welded in an area adjacent to the second end 134 of the first channel 130 and the second ribbon 146 is welded in an area adjacent to the first end 142 of the second channel 140.
- the ribbons 136, 146 can then be welded to either directly at the free ends 132, 144 respectively, or at a short distance from these free ends 132, 144.
- the first end 132 of the first channel 130 and the first end 142 of the second channel 140 are adjacent to the first edge 11 of the bag 100.
- the first band 136 and the second band 146 make protruding from their channel 130, 140 respectively at an edge 17,11,18 opposite the bag 100.
- the closure of the bag 100 is therefore done by pulling the ribbons 136, 146 in the extension of their channel 130, 140 respective, in opposite directions.
- the closure of the mouth 1 19 is easily obtained.
- the first end 132 of the first channel 130 and the second end 144 of the second channel 140 are adjacent to the same edge 17 or 18 of the bag 100.
- the first band 136 and the second band 146 protrude from their respective channel 130, 140 at the same edge 1 17 or 1 18 of the bag 100.
- the closure of the bag 100 is therefore done by pulling on the ribbons 136, 146 in the extension of their respective channel 130, 140 , in the same way.
- Those skilled in the art will understand that, by pulling on the emergent ends of each of the ribbons 136, 146 by grasping the first edge 17 of the bag at which the ribbons 136, 146 project, the closure of the rim is easily obtained. mouth 1 19.
- the first channel 130 and the second channel 140 may be offset relative to each other depending on the height of the bag 100, that is to say that the second channel 140 may be closer to the mouth 1 19 of the bag 100 as the first channel 130, so that they do not overlap when the bag 100 is laid flat.
- the first and the second channel 130, 140 are not offset relative to each other according to the height of the bag 100, so that they are superimposed when the bag 100 is laid flat.
- the ribbons 136, 146 do not exceed the edges 17, 18 of the bag 100.
- the length of the ribbons 136, 146 corresponds globally to the length of their respective channel 130, 140.
- the bag 100 may also be provided with notches 137, 147 (or clearances) formed at the ends 132, 144 of the channels 130, 140 of which the first and second ribbons 136, 146 project.
- the length of the ribbon 136 can then be substantially equal to that of the channel 130, while allowing easy handling by a user.
- the closure device 120 may be made at the mouth 1 19 or at a distance therefrom.
- the closure device 120 may extend in the first quarter of the bag 100, typically two, preferably three centimeters from the mouth 1 19.
- the ribbon (s) 136, 146 may be made of a heat sealable material, typically a polyolefin comprising a polymer or a copolymer among the following materials: polypropylene and its copolymers, polyethylene and its copolymers, high density polyethylene, low density polyethylene.
- a heat sealable material typically a polyolefin comprising a polymer or a copolymer among the following materials: polypropylene and its copolymers, polyethylene and its copolymers, high density polyethylene, low density polyethylene.
- or ribbons 136, 146 may be made of a material compatible with the material comprising the sheets 1 12, 1 14.
- the sheets 1 12, 1 14 (or at least their inner layer) and the ribbon or ribbons 136, 146 may in particular be made of an identical material or the like.
- the sheets 1 12, 1 14 and the or ribbons 136, 146 may be made of polyethylene or polypropylene.
- the ribbons 136, 146 are formed in a non-fuse material (such as cotton or polyester for example), that is to say a material whose melting temperature is higher than the soldering temperatures used. on the material of the bag 100.
- the solder attachment 138 of the ribbon (s) 136, 146 to the channel 130 or to their respective channel 130, 140 then has the effect of mechanically trapping the ribbon (s) 136, 146 in the weld 138.
- the welding 138 or channels 130 140 produces a shearing effect of the ribbon or ribbons 136, 146 thus forming points of connection between the bag 100 and the ribbon or ribbons 136, 146.
- the bags 100 according to the first embodiment can be obtained on a machine called horizontal 200 (Figure 5a) or vertical 300 ( Figure 5b to 5d) according to a manufacturing method S10 comprising the following steps.
- a film 1 for forming the sheets 1 12, 1 14 of the bag 100 is fed to a forming-filling-sealing machine 200.
- notches 137, 147 may be formed on the film 1, in the region of the film 1 intended to receive the end or ends 132, 134 of the channel 130 or the ends 132, 144 of the channels 130, 140 of which the ribbons 136, 146 project.
- the zone intended to receive the ends 132, 144 of the channels 130, 140 may notably comprise one of the edges of the film and a central part of the film (for the bag of FIG. example), or both edges of the film (for the bag of Figure 3e for example). In the latter case, at the end of the method S10, the ribbons 136, 146 will protrude from the first edge 1 17 of the bag 100.
- the zone intended to receive the ends 132, 144 of the channels 130, 140 may also comprise only a central part of the film (for the bag of Figure 3e for example). In the latter case, at the end of the method S10, the ribbons 136, 146 will protrude from the second edge 18 of the bag 100.
- the notches 137, 147 may be offset relative to each other in the direction of scrolling of movie 1, or not to form a single notch of which the ribbons 136, 146 both protrude.
- a ribbon 136 is fed onto the film 1, perpendicular to a running direction of the film 1. If necessary, the ribbon 136 is placed on the film 1 so that a free end of the ribbon 136 is positioned at the notch 137.
- a second ribbon 146 is also fed to the film 1, perpendicularly to a running direction of the film 1, where appropriate at the second notch 147
- the first and second ribbons 136, 146 are positioned offset from each other in the direction perpendicular to the running direction of the film 1.
- the first ribbon 136 extends for example from a first side of the film 1 to a central zone of the film 1, while the second ribbon 146 extends from the central zone of the film 1 to a second side of the film. movie 1
- the first and second ribbons 136, 146 may also be positioned offset from each other in the running direction of the film 1.
- a band 139 or bands 139 are also be positioned offset from each other in the running direction of the film 1.
- the ribbon 136 or ribbons 136, 146 may be soldered to channel 130 or their respective channel 130, 140.
- the ribbon 136 may for example be welded to the channel 130 in an area adjacent to one 132 of the ends of the channel 130.
- the ribbon 136 may be welded to the channel 130 in an area extending generally midway between the ends 132, 134 of the channel 130.
- the ribbon 136 is left free to slide in the channel 130.
- the first ribbon 136 is welded in an area adjacent to the second end 134 of the first channel 130 and the second ribbon 146 is welded in an area adjacent to the first end 142 of the second channel 140.
- a sixth step S16 the film 1 provided with the ribbon 136 or ribbons 136 is folded back on itself, along a fold line extending in the direction of travel of the film 1, so as to form the first and the second Sheets 1 12, 1 14. The fold line defines the second edge 1 18 of the bag 100.
- the film 1 is fed to a forming neck for folding the film 1 on itself.
- the bag 100 is open at three of these sides.
- a seventh step S17 the first and the second sheet January 12, January 14 are welded together, so as to close two of the three open sides of the bag 100.
- the first and the second sheet 1 12, 1 14 are welded together, the weld forming the bottom
- the mouth 1 19 is further equipped with a ribbon 136 housed in a channel 130 and optionally welded to said channel 130.
- the first and second sheets 1 12, 1 14 are welded together, in a longitudinal weld forming the first edge 1 17 of the bag 100 in a direction parallel to the direction of rotation. running the film, then following a transverse weld forming the bottom 1 16 of the bag 100 in a direction perpendicular to the direction of the film 1.
- the longitudinal weld of the first and second sheets January 12, January 14 may further allow the ribbon 136 to be welded to itself at the ends 132, 134 of the channel 130 or to weld the ribbon 136 to the first edge.
- the bags 100 obtained then have a bottom 1 16 and edges 1 17, 1 18 sealed, and an opening 1 19 open.
- the mouth 1 19 is further equipped with one or more ribbons 136 housed in a channel 130, 140 and optionally welded to said channel 130, 140.
- the sixth and seventh steps S16, S17 thus make it possible to form the bag 100.
- the bag 100 is filled by the last of the sides of the bag 100 remained open.
- the bag 100 is filled by the side intended to form the first edge 11 of the bag 100
- the bag 100 is filled by the side intended to form the mouth 1 19 of the bag 100.
- the first and second sheets 112, 114 can be welded together so as to close the last of the sides of the 100 bag remained open and thus seal the bag 100.
- the first and second sheet 1 12, 1 14 are welded together so as to form the first edge 1 17 of the bag 100.
- the welding S19 of the first and second sheets January 12, January 14 may further allow the ribbon 136 to be welded to itself at the ends 132, 134 of the channel 130 or to weld the ribbon 136 to the first edge 1 17 of the bag 100 without attaching it to the second sheet 1 14 (for the bag 100 of Figure 3c).
- the first and second sheets 1 12, 1 14 are welded together so as to form the mouth 1 19 of the bag 100.
- the bag 100 is further filled and sealed.
- the bags 100 according to the first embodiment can then be obtained using a form-fill-seal machine 200, 300 comprising:
- a device 210, 310 configured to feed a film 1 onto the forming-filling-sealing machine 200, 300,
- a routing device 215, 315 configured to bring a ribbon 136 onto the film 1 (see FIGS. 5a and 5b) perpendicularly to a running direction of the film 1.
- the routing device 315 is further configured to bring a second ribbon 146 onto the film 1 (see FIGS. 5c and 5d), perpendicular to the running direction of the film 1 so that the first and the second ribbon 136, 146 extend substantially parallel to each other.
- the routing device 315 can then further be configured to position the first and second ribbons 136, 146 offset with respect to each other in the running direction of the film 1 and in the direction perpendicular to the direction of rotation. scrolling of movie 1,
- a device 225, 325 configured to form the channel 130 or the first channel 130 and the second channel 140 on the film 1, in particular to bring back a strip 139 or strips 139, 149 intended to form the channel 130 or the channels 130, 140 on the film 1, over the ribbon 136 or the ribbons 136, 146, so that the channel 130 or the channels 130, 140 extend perpendicular to the direction of travel of the film 1,
- welding bars 230, 330 configured to weld the channel 130 or the first channel 130 and the second channel 140 on the film 1, in particular for soldering the strip 139 or the strips 139, 149 attached to the film 1, on top the ribbon 136 or the ribbons 136, 146,
- the folding device 340 comprises a forming neck
- first and second welding jaws 245a, 245b; 345a, 345b configured to weld the first sheet 1 12 to the second sheet 1 14 and respectively to form the first and second edges 1 17, 1 18 ( Figure 5a) or the first edge 1 17 and the bottom 1 16 ( Figures 5b to 5d )
- a filling chute 250, 350 configured to fill the bag 100 with the side left open
- third welding jaws 255, 355 configured to seal the bag 100 by closing the side left open.
- the first and second welding jaws 245a, 245b can be combined and configured to successively soldering the bottom 1 16 and the mouth 1 19 of the bag 100 through the scrolling of the bag 100 in the machine 200.
- the second and third solder jaws 345b, 355 may be combined and configured to successively weld the bottom 1 16 and the mouth 1 19 of the bag 100 by scrolling the bag 100 into the machine 300.
- the forming-filling-sealing machine 200, 300 may comprise fourth solder jaws 235, 335 configured to weld the strip 136 to the channel 130 or the first strip 136 to the first channel 130 and the second strip 146 to the second channel 140.
- the fourth welding jaws 235 may be merged with the third welding jaws 255 and configured to weld the ribbon 136 onto the first sheet 1 12 at the first edge 1 17 of the bag 100. , without welding the ribbon 136 on the second sheet 1 14. This allows in particular to obtain a bag 100 as shown in Figure 3c.
- the fourth welding jaws 335 may be merged with the first solder jaws 345a and configured to weld the strip 136 onto the first sheet 1 12 at the first edge 1 17 of the bag 100. , without welding the ribbon 136 on the second sheet 1 14. This allows in particular to obtain a bag 100 as shown in Figure 3c.
- the fourth solder jaws 335 and the first solder jaws 345a may be merged, so as to weld simultaneously the first and the second ribbon 136, 146 and the first edge 1 17. This allows to obtain a particular bag 100 as shown in Figure 3e.
- the forming-filling-sealing machine 200, 300 may further comprise a device 220, 320 configured to form one or more notches 137, 147 (or clearances) on the film 1, in the region of the film 1 intended to receive the ends 132, 134 of the channel 130 or the first end 132 of the first channel 130 and the second end 144 of the second channel 140.
- the device 220, 320 is then preferably positioned between the device 210, 310 configured to bring the film 1 and the device 215, 315 configured to bring the ribbons or, 136, 146.
- the embodiment of the notch or notches 137, 147 in the film 1 makes it possible to remove material at the ends 132, 134, 144 to remain free from the channel or channels 130, 140, so that, during the welding of the first and second sheets 1 12, 1 14 of the bag 100 by the third welding jaws 255 or by the first welding jaws 345a, the heat applied by the jaws 255, 345a does not have to effect of locally melting the film 1 and weld, or even cut, the end or ends 132, 134, 144 or ribbons 136, 146, thus ensuring that the or ribbons 136, 146 remain free of movement at the level of these ends 132, 134, 144.
- the welding jaws 345a, 255 configured to weld the first edge January 17 of the bag 100 may further have, in a weld face, a notch configured to come opposite the notch 137, 147. It will be understood in fact that when the ribbon 136 is formed in a heat-sealable material, it is preferable to prevent its projecting portions of the channel 130 at the notch 137 from being cut by the welding jaws 345a, 255, when the latter weld the first sheet January 12 on the second sheet 1 14.
- Second embodiment longitudinal fastening of the closure device 120
- FIGS. 6 to 8 illustrate several examples of a ribbon bag 100, a method S20 for manufacturing and filling a ribbon bag 100, and a forming-filling-sealing machine 400, 500 according to a second embodiment of FIG. the invention.
- FIGS. 6a to 6d illustrate examples of ribbon bags 100 obtained according to a method S20 of manufacturing and filling a ribbon bag 100 according to a second embodiment of the invention.
- the bag 100 comprises a closure device 120 comprising:
- first channel 130 and a second channel 140 extending between the edges 17, 18 of the sachet, respectively on the first and the second sheets 1 12, 1 14, the first channel 130 and the second channel 140 each comprising a first end 132, 142 and a second end 134, 144, and
- first ribbon 136 housed in the first channel 130
- second ribbon 146 housed in the second channel 140
- the first ribbon 136 projecting from the first end 132 of the first channel 130
- the second ribbon 146 projecting from the second end 144 of the second channel 140.
- the first ribbon 136 is welded to the first channel 130
- the second ribbon 146 is welded to the second channel 140. It will be understood that the welding of the ribbons 136, 146 to their respective channel 130, 140 allows to block the ribbons 136, 146 in the channels 130, 140 without the need to form a node at their free end.
- the first ribbon 130 is welded in an area adjacent to the second end 134 of the first channel 130 and the second ribbon 146 is welded in an area adjacent to the first end 142 of the second channel 140.
- the ribbons 136, 146 can then be welded either directly at the free ends 132, 144 respectively, or at a short distance from these free ends 132, 144.
- the first end 132 of the first channel 130 and the first end 142 of the second channel 140 may be adjacent to the first edge 11 of the bag 100, as shown in Figure 6a.
- the first ribbon 136 and the second ribbon 146 protrude from their respective channel 130, 140 at an edge 17, 1 18 opposite the bag 100.
- the closure of the bag 100 is therefore done by pulling on the ribbons 136, 146 in the extension of their channel 130, 140 respectively, in opposite directions.
- the closure of the mouth 1 19 is easily obtained.
- the first end 132 of the first channel 130 and the second end 144 of the second channel 140 may also be adjacent to the first edge 11 of the bag 100, as shown in FIG. 6b.
- the first ribbon 136 and the second ribbon 146 protrude from their respective channel 130, 140 at the same edge 17 of the bag 100.
- the closure of the bag 100 is therefore effected by pulling on the ribbons 136, 146 in the extending their channel 130, 140 respectively, in the same direction, by grasping the first edge 1 17 of the bag at which protrude the ribbons 136, 146.
- the first ribbon 136 is welded to the channel 130 in a first zone 151 extending at a distance from the second end 134 of the first channel 130 and the second ribbon 146 is welded to the channel 140 in a second zone 152 extending away from the first end 142 of the second channel 140.
- the first zone 151 and the second zone 152 may be extend in a central portion of the first sheet 1 12 and the second sheet 1 14, respectively.
- the first zone 151 and the second zone 152 may be superimposed or offset with respect to one another along the channels 130, 140.
- the first ribbon 136 also projects from the second end 134 of the first channel 103 while the second ribbon 146 also projects from the first end 142 of the second channel 140.
- the closure of a 100 s bag thus, by grasping the bag 100 in the first and second zones 151, 152, at the fastening of the ribbons 136, 146, and pulling on the free ends of the ribbons 136, 146 (or simultaneously, at the level of a first edge 1 17 of the bag 100 and then at the second edge 1 18 of the bag 100).
- This closure is particularly easy insofar as the distance to be traveled by the edges 1 17, 1 18 to reach the closed configuration of the bag 100 is reduced (by half when the areas 151 and 152 are in the middle of the channels 130, 140), which reduces both the time required to close the bag 100 and friction related to the pleating of the sheets 1 12, 1 14.
- the opening can also be done by pulling on the edges 1 17, 1 18 of the bag 100 either holding the first and second zones 152 in their hands and pulling on the first 11 and then the second edge 18 of the bag 100.
- the opening is simplified by the separation of the channels 130, 140 in two. parts by welding in the first 151 and the second zone 152.
- the first channel 130 and the second channel 140 may be offset relative to one another according to the height of the bag 100, that is to say that the second channel 140 may be closer to the mouth 1 19 of the bag 100 than the first channel 130, so that they do not overlap when the bag 100 is laid flat.
- This offset of the first and second channels 130, 140 makes it possible, when the bag is closed 100 by pulling on the ribbons 136, 146 in opposite directions, to deform the channels 130, 140 and thus the mouth 1 19 by bringing the first channel 130 and the second channel 140 closer together. This deformation has the consequence of accentuating the folding sheets 1 12, 1 14 and thus improve the sealing of the bag 100.
- first channel 130 and the second channel 140 may on the contrary be superimposed and not be offset relative to each other according to the height of the bag 100.
- the bags 100 according to the second embodiment can be obtained on a so-called horizontal machine 400 (FIG. 9a) or vertical machine 500 (FIG. 9b) according to a manufacturing and filling method S20 comprising the following steps.
- a film 1 for forming the sheets 1 12, 1 14 of the bag 100 is fed to a form-fill-seal machine 400, 500.
- notches 137, 147 may be formed on the film, in the region of the film intended to receive the ends 132, 134, 142, 144 of the channels 130, 140.
- first and second ribbons 136, 146 are fed onto the film 1, parallel to a running direction of the film 1.
- the sides of the film 1 are folded back on themselves to form the first and second channels 130, 140, so that the channels 130, 140 extend parallel to the scroll direction of the movie 1.
- the sides of the film 1 are then welded to said film by providing one or two weld lines 131, 133; 141, 143 of the fold thus formed on the sheets 1 12, 1 14 to define between the weld lines 131, 133 and 141, 143 the channels 130, 140 ( Figure 8c).
- strips 139, 149 intended to form the first and second channels 130, 140 are attached and welded to the outside (FIG. 8a) or to the inside (FIG. 8b) of the film 1, over the first and second ribbon 136, 146, so that the channels 130, 140 extend parallel to the running direction of the film 1.
- the ribbons 136, 146 may be soldered to their respective channel 130, 140.
- the first ribbon 136 may for example be welded to a portion of the first channel 130 intended to form the second end 134 of the first channel 130
- the second ribbon 146 may for example be welded to a portion of the second channel 140 intended to forming the first end 142 of the second channel 140.
- the portions intended to form the first end 132 of the first channel 130 and the first end 142 of the second channel 140 may be adjacent to the first edge 1 17 of the bag 100.
- the parts intended to to form the first end 132 of the first channel 130 and the second end 144 of the second channel 140 may be adjacent to the first edge 1 17 of the bag 100.
- the first ribbon 136 may also be welded to the channel 130 in a first zone 151 extending away from the second end 134 of the first channel 130 and the second ribbon 146 may be welded to the channel 140 in a second zone 152 extending to distance from the first end 142 of the second channel 140.
- first and second ribbon 136, 146 may be left free to slide in their respective channel 130, 140.
- the film 1 provided with the first and second ribbons 136, 146 is folded back on itself, along a fold line extending in the direction of travel of the film 1, so as to form the first and second sheets 1 12, 1 14.
- the fold line defines the bottom 1 16 of the bag 100.
- the film 1 is fed to a forming neck for folding the film 1 on itself.
- the bag 100 is open at three of these sides.
- a seventh step S27 the first and the second sheet January 12, January 14 are welded together, so as to close two of the three sides of the bag 100 open.
- the first and the second sheets 1 12, 1 14 are welded together in a direction perpendicular to the direction of travel of the film 1, so as to successively form the first and the second edge 1 17, 1 18 of the bag 100 through the scrolling of the film.
- the welding of the first and second sheets January 12, January 14 between them makes it possible to close simultaneously the second edge 1 18 of a given bag 100 and the first edge 1 17 of the bag 100 located downstream.
- the bags 100 obtained then have a bottom 1 16, a first edge 1 17 and a second edge 1 18 sealed, and an opening 1 19 open.
- the mouth 1 19 is further equipped with one or several ribbons 136 housed in a channel 130, 140 and possibly welded to said channel 130, 140.
- the transverse welding of the first and second sheets 1 12, 1 14 in order to successively close the first and the second edge 1 17, 1 18 of the bag 100 may further allow to weld the ribbons 136, 146 between them at the ends 132, 134, 142, 144 of the channels 130, 140 (see Figure 6d).
- the transverse welding of the first and second sheets 1 12, 1 14 in order to close the first and the second edge 1 17, 1 18 of the bag 100 may further enable the second ribbon 146 to be welded to the second channel 140 and the first ribbon 136 to first channel 130 respectively at the first and second edges 1 17, 1 18 (see Figure 6a).
- the first and second sheets 1 12, 1 14 are successively welded together in a longitudinal weld closing the mouth 1 19 of the bag 100 in a direction parallel to the direction of travel. of the film, then following a transverse weld closing the first edge 1 17 of the bag 100 in a direction perpendicular to the direction of the film 1.
- the transverse welding of the first edge 1 17 of the bag 100 also makes it possible to seal, thanks to the movement of the film 1, the second edge 1 18 of the bag 100 situated downstream.
- the bags 100 obtained then have a bottom 1 16 formed by the fold of the bag 100, a first edge 1 17 and a mouth 1 19 sealed, and a second edge 1 18 open.
- the mouth 1 19 is further equipped with one or more ribbons 136 housed in a channel 130, 140 and optionally welded to said channel 130, 140.
- the transverse welding of the first and second sheets 1 12, 1 14 in order to close the first edge 1 17 of the bag 100 may further allow welding the strips 136, 146 between them at the ends 132, 142 of the channels 130, 140 adjacent the first edge 1 17 (see Figure 6d).
- the transverse welding of the first and second sheets 1 12, 1 14 in order to close the first edge 1 17 of the bag 100 can furthermore make it possible to soldering the second ribbon 146 to the second channel 140 at the first edge 1 17 (see Figure 6a).
- the ribbons 136, 146 are not cut during the seventh step S27.
- the ribbons 136, 146 housed in their respective channel 130, 140 protrude from the edges 17, 18 of the bag 100 and remain housed in the channels 130, 140 formed on the film 1 for the bag 100 downstream.
- the sixth and seventh steps S26, S27 thus make it possible to form the bag 100.
- the bag 100 is filled by the last of the sides of the bag 100 remained open.
- the bag 100 is filled by the side intended to form the mouth 1 19 of the bag 100
- the bag 100 is filled by the side intended to form the second edge 1 18 of the bag 100.
- the first and the second sheet 1 12 are filled by the first and the second sheet 1 12,
- the first and second sheets 1 12, 1 14 are welded together so as to form the mouth 1 19 of the bag 100 in a longitudinal weld
- the first and the second sheet 1 12, 1 14 are welded together so as to form the second edge 1 18 of the bag 100 in a transverse weld.
- the ribbons 136, 146 can during the ninth step S9 be cut and welded to each other at the ends 134, 144 of the channels 130, 140 adjacent to the second edge 1 18 (see Figure 6d).
- the transverse welding of the first and second sheets 1 12, 1 14 in order to close the second edge 1 18 of the bag 100 may further allow welding the first ribbon 136 to the first channel 130 at the second edge 1 18 (see Figure 6a) .
- the first and second ribbon 136, 146 are cut so that the free ends of the ribbons 136, 146 protrude from the edge or edges 17, 18 of the bag 100 (FIGS. 6c).
- the ribbons 136, 146 are for example cut with heat, when the ribbons 136, 146 are in a heat-sealing material.
- the tenth step S30 can take place after the filling step S28 of the bag 100 and before the sealing step S29 of the bag 100.
- the bags 100 can then be obtained using a forming-filling-sealing machine 400, 500 comprising:
- a device 410, 510 configured to feed a film 1 onto the forming-filling-sealing machine 400, 500,
- a routing device 415, 515 configured to bring a first and second ribbon 136, 146 onto the film 1, parallel to a running direction of the film 1, so that the first ribbon 136 is adjacent to a first side of the film film 1 and the second ribbon 146 is adjacent to a second side of the film 1,
- a device 425, 525 configured to form the first channel 130 and the second channel 140 on the film 1.
- the device 425, 525 is for example configured to fold on themselves the sides of the film 1 so as to form the first and second channels 130, 140, so that the channels 130, 140 extend parallel to the direction of scrolling of the movie 1.
- the device 425, 525 may also be configured to yield strips 139, 149 for forming the channels 130, 140 on the outside or on the inside of the film 1, over the ribbons 136, 146, so that the channels 130, 140 extend parallel to the running direction of the film 1,
- welding bars 430, 530 configured for welding the first channel 130 and the second channel 140 on the film 1, in particular for welding the folded sides of the film 1 or the strips 139, 149 attached to the film 1 over the ribbons 136, 146,
- the folding device 540 comprises a forming neck
- first and second welding jaws 445a, 445b; 545a, 545b configured to weld the first sheet 1 12 to the second sheet 1 14 and respectively to form the first and the second edge 1 17, 1 18 ( Figure 9a) or the mouth 1 19 and the second edge 1 18 ( Figure 9b )
- a filling chute 450, 550 configured to fill the bag 100 by the side left open
- third solder jaws 455, 555 configured to seal the bag 100 by closing the open side.
- the first and second solder jaws 445a, 445b may be combined and configured to successively weld the first and second edges 17, 18 of the bag 100 by scrolling the bag 100 through the machine 200.
- the second and third solder jaws 545b, 555 can be combined and configured to successively weld the second edge 18 and the first edge 17 of the bag 100 by scrolling the bag 100 through the machine 200.
- the form-fill-seal machine 400, 500 may comprise fourth welding jaws 435, 535 configured for soldering the first ribbon 136 to the first channel 130 and the second ribbon 146 to the second channel 140.
- the fourth welding jaws 435 may be merged with the first and second welding jaws 445a and 445b.
- the fourth welding jaws 535 may be merged with the second and third welding jaws 545b, 555.
- the forming-filling-sealing machine 400
- 500 may further comprise a device 420, 520 configured to form one or more notches 137, 147 (or clearances) on the film 1, in the region of the film 1 for receiving the first end 132 of the first channel 130 and the second end 144 of the second channel 140.
- the device 420, 520 is then preferably positioned between the device 410, 510 configured to bring the film 1 and the device 415, 515 configured to bring the ribbons or, 136, 146.
- the notches 137, 147 are intended to avoid welding or cutting ribbons 136, 146 on the film 1, during S27 and / or S29 welding.
- the machine 400, 500 comprises a device 420, 520 configured to form notches 137, 147 on the film 1 and that it is desired that the ribbons 136, 146 protrude from the ends 132, 144 or 132, 134, 142, 144 of their respective channel 130, 140, the first and / or second solder jaws 445a, 445b or even the third solder jaws 555 may furthermore have, in a welding face, a notch configured to face the notches 137, 147.
- the form-fill-seal machine 400, 500 may comprise a cutter 460, 560 configured to cut the first and / or second ribbon 136, 146.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Making Paper Articles (AREA)
- Bag Frames (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1454369A FR3021034B1 (fr) | 2014-05-15 | 2014-05-15 | Machine de formage-remplissage-scellage pour sachet a ruban |
PCT/EP2015/060668 WO2015173340A1 (fr) | 2014-05-15 | 2015-05-13 | Machine et methode de formage-remplissage-scellage pour sachet a ruban |
Publications (2)
Publication Number | Publication Date |
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EP3148883A1 true EP3148883A1 (fr) | 2017-04-05 |
EP3148883B1 EP3148883B1 (fr) | 2018-04-04 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP15723215.8A Not-in-force EP3148883B1 (fr) | 2014-05-15 | 2015-05-13 | Machine et methode de formage-remplissage-scellage pour sachet a ruban |
Country Status (4)
Country | Link |
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US (1) | US10464702B2 (fr) |
EP (1) | EP3148883B1 (fr) |
FR (1) | FR3021034B1 (fr) |
WO (1) | WO2015173340A1 (fr) |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN108372943B (zh) * | 2018-01-16 | 2020-05-29 | 睢宁和信塑业有限公司 | 一种敞口胶袋制作设备 |
EP3967486A1 (fr) | 2020-09-14 | 2022-03-16 | Schur Flexibles Poland Sp. z o.o | Procédé de fabrication d'un sac pour des produits d'hygiène |
CN114103263B (zh) * | 2021-11-04 | 2024-04-02 | 广东邦泽创科电器股份有限公司 | 一种自封口连卷袋的制备方法 |
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US6991375B2 (en) * | 1998-11-06 | 2006-01-31 | Velcro Industries B.V. | Reclosable packaging |
GB2347137B (en) * | 1999-02-25 | 2002-10-23 | Christopher Freeman Worrell | A bag with an elongate closure member |
US6602174B1 (en) * | 2000-04-18 | 2003-08-05 | Pactiv Corporation | Method and apparatus for sealing a drawtape to a hem of a thermoplastic film structure |
DE10215648A1 (de) * | 2002-04-09 | 2003-11-06 | Schmermund Verpackungstechnik | Verfahren und Vorrichtung zum Aufbringen eines Aufreißfadens auf eine Verpackungsmaterialbahn |
US7114309B2 (en) * | 2003-01-10 | 2006-10-03 | Illinois Tool Works Inc. | Method and apparatus for making reclosable packages having slider-actuated string zippers |
EP1500601A1 (fr) * | 2003-07-25 | 2005-01-26 | Amcor Flexibles Europe A/S | Sac refermable et son procédé de fabrication |
GB0406626D0 (en) * | 2004-03-24 | 2004-04-28 | Supreme Plastics Holdings Ltd | Application of zipper lengths to a web |
US7219481B2 (en) * | 2005-02-22 | 2007-05-22 | Alcoa, Inc. | Method of applying sliders, duplex packaging machine and slider applicator therefor |
EP1764067A1 (fr) * | 2005-09-16 | 2007-03-21 | The Procter & Gamble Company | Emballage du type à refermeture pour des articles absorbants |
US20100098354A1 (en) * | 2008-10-20 | 2010-04-22 | Fraser Robert W | Bag and Methods of Making the Same |
EP2258627B1 (fr) * | 2009-06-05 | 2013-01-23 | The Procter & Gamble Company | Dispositif d'emballage et procédé d'emballage de produits hygiéniques souples empilés dans un sac en plastique |
EP2275356A1 (fr) * | 2009-07-15 | 2011-01-19 | Ulfoss Company Group A/S | Procédé de fabrication de sacs à cordon de fermeture |
US8800250B2 (en) * | 2011-02-16 | 2014-08-12 | Cryovac, Inc. | Easy open and reclosable package with discrete laminate, with die-cut, anchored to second side panel |
JP2013027087A (ja) * | 2011-07-19 | 2013-02-04 | Seiko Epson Corp | 電気機械装置、ロボット及び移動体 |
US8807834B2 (en) * | 2012-02-13 | 2014-08-19 | Cryovac, Inc. | Easy open and reclosable package with panel section with easy open sealant, and reclosure mechanism |
US10132699B1 (en) * | 2014-10-06 | 2018-11-20 | National Technology & Engineering Solutions Of Sandia, Llc | Electrodeposition processes for magnetostrictive resonators |
-
2014
- 2014-05-15 FR FR1454369A patent/FR3021034B1/fr not_active Expired - Fee Related
-
2015
- 2015-05-13 US US15/311,164 patent/US10464702B2/en not_active Expired - Fee Related
- 2015-05-13 WO PCT/EP2015/060668 patent/WO2015173340A1/fr active Application Filing
- 2015-05-13 EP EP15723215.8A patent/EP3148883B1/fr not_active Not-in-force
Also Published As
Publication number | Publication date |
---|---|
FR3021034B1 (fr) | 2017-05-12 |
EP3148883B1 (fr) | 2018-04-04 |
US20170073098A1 (en) | 2017-03-16 |
FR3021034A1 (fr) | 2015-11-20 |
WO2015173340A1 (fr) | 2015-11-19 |
US10464702B2 (en) | 2019-11-05 |
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