EP3003892B1 - Sac d'emballage et procédé de fabrication de tels sacs d'emballage - Google Patents

Sac d'emballage et procédé de fabrication de tels sacs d'emballage Download PDF

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Publication number
EP3003892B1
EP3003892B1 EP14707363.9A EP14707363A EP3003892B1 EP 3003892 B1 EP3003892 B1 EP 3003892B1 EP 14707363 A EP14707363 A EP 14707363A EP 3003892 B1 EP3003892 B1 EP 3003892B1
Authority
EP
European Patent Office
Prior art keywords
carrier element
bag
front wall
handle
handles
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.)
Active
Application number
EP14707363.9A
Other languages
German (de)
English (en)
Other versions
EP3003892A1 (fr
Inventor
Jörg Christian THIES
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.)
Windmoeller and Hoelscher KG
Original Assignee
Windmoeller and Hoelscher KG
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 Windmoeller and Hoelscher KG filed Critical Windmoeller and Hoelscher KG
Publication of EP3003892A1 publication Critical patent/EP3003892A1/fr
Application granted granted Critical
Publication of EP3003892B1 publication Critical patent/EP3003892B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D33/00—Details of, or accessories for, sacks or bags
    • B65D33/06—Handles
    • 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
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/74—Auxiliary operations
    • B31B50/81—Forming or attaching accessories, e.g. opening devices, closures or tear strings
    • B31B50/86—Forming integral handles; Attaching separate handles
    • 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
    • B65D33/004—Information or decoration elements, e.g. level indicators, detachable tabs or coupons
    • 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
    • B65D33/007—Details of, or accessories for, sacks or bags for facilitating the separation of the two walls, e.g. walls of inequal height, tabs; for maintaining the mouth of the sack or bag open
    • 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
    • B65D33/04—Windows or other apertures, e.g. for viewing contents
    • 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
    • B65D33/06—Handles
    • B65D33/10—Handles formed of similar material to that used for the bag
    • B65D33/105—U-shaped
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2150/00—Flexible containers made from sheets or blanks, e.g. from flattened tubes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2150/00—Flexible containers made from sheets or blanks, e.g. from flattened tubes
    • B31B2150/001—Flexible containers made from sheets or blanks, e.g. from flattened tubes with square or cross bottom
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2150/00—Flexible containers made from sheets or blanks, e.g. from flattened tubes
    • B31B2150/003—Flexible containers made from sheets or blanks, e.g. from flattened tubes made from tubular sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2160/00—Shape of flexible containers
    • B31B2160/20—Shape of flexible containers with structural provision for thickness of contents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B70/00—Making flexible containers, e.g. envelopes or bags
    • B31B70/74—Auxiliary operations
    • B31B70/86—Forming integral handles or mounting separate handles
    • B31B70/864—Mounting separate handles on bags, sheets or webs
    • B31B70/866—Applying handles on a moving web followed by longitudinal folding

Definitions

  • the invention relates to a bag with a front wall and a rear wall arranged parallel to the front wall, a bottom which can be folded into the plane of the walls, so that there is a filling space open on one side, and a pair of handles which are fastened to the front wall and the rear wall. Furthermore, the invention relates to a method for producing a bag with a front wall and a rear wall arranged parallel to the front wall, a bottom which can be folded into the plane of the walls, so that a filling space which is open on one side results, and a pair of handles which are attached to the front wall and the Rear wall is attached.
  • a bag with a handle having two parallel walls and a bottom foldable into the plane of the walls.
  • the two handles each have two parallel legs and a web connecting them.
  • the handles have fastening sections formed on their legs, which are fastened to the outer walls of the bag, as a result of which the actual fastening of the handles is achieved.
  • the handle has fold lines so that the handle can be folded back, so that both handles do not protrude beyond the walls of the bag when folded back.
  • the object of the present invention is to avoid the disadvantages mentioned above, in particular to create a bag, as well as a method for producing bags and a machine system for producing bags, in which the bag can be stacked better and the formation of more compact stacks or Packages is possible. In addition, the efficiency for the production of the bag is to be increased.
  • the pair of handles can be brought into a position of use and into a rest position, the pair of handles being folded back completely within the filling space in the rest position and the pair of handles protruding at least in regions from the filling space in the position of use, the pair of handles being one Has fold line which is arranged in the use position in and / or on the filling space.
  • a major advantage of the invention is that when the pairs of handles are in the rest position, a very flat bag in the folded state is achieved, which is a small one Material build-up required when stacking the bags.
  • the pairs of handles are flat according to the invention and thus favor a small transport volume.
  • Another advantage of the pairs of handles that are folded within the filling space is that there is no risk of the pairs of handles being damaged during transport or when the bags are being stacked.
  • the pair of carrying handles has two handles which are fastened to the front wall and the rear wall within the filling space, one handle being fastened to the inside of the front wall and the further handle being fastened to the inside of the rear wall.
  • the handles advantageously form aligned handle openings, as a result of which the wearing comfort for the user is significantly increased.
  • each handle is formed from several layers of material, whereby the pair of handles is reinforced.
  • the handle is part of a carrier element which is fastened to the inside of the front wall or / or to the inside of the back wall.
  • the invention includes the carrier element being designed as a slip. It is particularly advantageous that this carrier element is inexpensive to manufacture, and at the same time an inside fastening of the carrier element to the front wall and to the rear wall can be carried out quickly.
  • the hot melt can comprise at least one of the following ingredients: base polymer, resin, stabilizers, wax, nucleating agent.
  • the base polymer is, for example, PA (polyamides), PE (polyethylene), APAO (amorphous polyalphaolefins), EVAC (ethylene-vinyl acetate copolymers), TPE-E (thermoplastic polyester elastomers), TPE-U (thermoplastic polyurethane elastomers), TPE-A (Thermoplastic copolyamide elastomers).
  • Rosin and / or terpenes and / or hydrocarbon resins can be used as the resin.
  • antioxidants and / or metal deactivators and / or light stabilizers for example, can be used for stabilizers.
  • nucleating agents it is conceivable according to the invention to add these for modifying partially crystalline plastics. These ensure that the Crystal formation occurs at a higher temperature. Using the hot glue has the advantage that a wide variety of materials can be glued. In addition, unevenness of the surfaces to be glued can be easily compensated.
  • cold glue is that very high machine speeds can be achieved with cold glue technology.
  • cold glue is relatively easy to apply.
  • the bag according to the invention can have a carrier element which is punched out or lasered or perforated such that the handle can be folded out of the carrier element according to the invention.
  • a major advantage of this embodiment is that there is no waste during the manufacture of the pairs of handles. In the rest position, the handle is fully integrated in the carrier element and more or less forms a unit.
  • the carrier element advantageously has a flat shape which requires little volume within the bag.
  • the carrier element is arranged flush with the edge of the front wall and / or the rear wall, the edge being arranged opposite the floor. It has been shown that the stacking of the bags can be improved in terms of compactness by such a measure.
  • the carrier element is rectangular and / or square.
  • the carrier element has a material thickness that is greater than that of the front wall and / or the rear wall.
  • the invention includes that the carrier element is made from a material-reinforced and / or fabric-reinforced paper and / or fabric and / or non-woven or from a plastic.
  • the carrier element can have a weight of approximately 200 g / m 2 to 300 g / m 2 . According to the invention, the carrier element can have a weight of less than 200 g / m 2 , preferably have a weight of less than 100 g / m 2 , particularly preferably have a weight of less than 65 g / m 2 . Another advantage is that the carrier element serves as an edge reinforcement for the bag, which is not visible on the outside. It is also conceivable that the carrier element is arranged at a distance from the edge of the front wall and / or rear wall.
  • the fold line can also be arranged on the edge of the front wall and / or the rear wall.
  • the present invention understands that the fold line of the pair of handles is in the filling space.
  • the fold line can also only emerge as a crease line when the pairs of handles are transferred from the rest position into the use position.
  • the fold line can also arise during the manufacturing process of the bag or be broken, for example if the carrier elements with the pairs of handles are created before the carrier element is brought onto the material web.
  • a bag according to the invention comprises the feature that an opening aid is implemented on the edge of the front wall or the rear wall, in particular that the opening aid is designed as a recess.
  • the opening aid is designed as a recess.
  • the user can use the opening aid to press the bag more easily in the direction of the front wall and / or rear wall so that, for example, objects can be placed in the filling space.
  • the geometry of the opening aid can be semicircular so that, for example, a thumb or finger can be guided through this opening aid in a more targeted manner. Further geometrical shapes of the opening aid are conceivable.
  • the edge is perforated and / or felted out and / or frayed.
  • the peripheral edge of the bag is thus made blunt, without there being a risk of cutting for the user at the edge of the bag.
  • the bag is advantageously formed from a paper material and can be used in a wide variety of ways in the form of a flexible bag.
  • the specially designed edge can be microscopically felt-like, which creates a relatively "soft" edge.
  • the edge can be designed like a perforation, which means that this edge is or has been created on the bag, for example, by a tear-off process.
  • the handle of the bag according to the invention can have the shape of an advertising medium, in particular the handle can be M-shaped.
  • This advertising medium can, for example, refer to the content of the bag or provide the user with a brand reference.
  • the invention includes that the front wall and / or the rear wall have a viewing window or a viewing strip or a net.
  • the viewing window is preferably made of a transparent material. The transparent material enables the user to at least partially inspect the cavity of the bag.
  • At least one side fold runs between the front wall and the rear wall.
  • the gusset may have one or more gussets.
  • the side fold advantageously extends from the opening or from the edge of the bag in the direction of the bottom.
  • the function of the side fold is that the filling space or the cavity within the bag can be reliably enlarged by pushing the front wall and the rear wall away from one another by the user.
  • both walls can lie on top of one another, the side folds being able to lie between these two walls.
  • the bottom of the bag according to the invention can be designed as a cross bottom or as a block bottom or as a flat and gusseted bottom or as a folded bottom or as a pinch bottom.
  • An advantage of using a cross bottom is that a lot of space can be created on the front wall and on the back wall of the bag, which can increase the filling volume.
  • the bag has a larger "face" on the outer walls, for example to serve as an information carrier and / or advertising medium.
  • a particular advantage of the block bottom is that the stability of the bag is improved by such a bottom, especially if the bag has gussets.
  • the result is a bag which has the advantages which have already been mentioned with regard to the bag according to the invention, based on independent claim 1.
  • the method according to the invention is characterized by a high manufacturing efficiency based on the number of bags that can be produced.
  • the material web can also be a single sheet of material, in particular paper sheet, which has a beginning and an end.
  • step d) takes place before step c), which means that the base can already be folded before a separation of the material web.
  • step c) takes place before step c), which means that the base can already be folded before a separation of the material web.
  • an opening aid can advantageously be introduced at the edge region of one of the two carrier elements, in particular the opening aid can be designed as a material recess in the carrier element and in the material web. It is thus achieved that only one of the two bag walls is equipped with an opening aid.
  • the method according to the invention can be carried out in such a way that the carrier element has two fold-out handles which are arranged one behind the other in step a) in the direction of the material web movement.
  • the efficiency for producing the bags can be doubled.
  • an opening aid is introduced centrally on one of the two carrier elements before step b), in particular that the opening aid is designed as a material recess in the carrier element and in the material web.
  • a hole punch or a circular hole punch can effect this material recess.
  • the geometry of the recess can, for. B. as follows be: circular, oval, square, angular, rectangular, polygonal.
  • the method can be carried out according to the invention in such a way that the support elements lying one above the other are aligned and arranged relative to one another perpendicularly to the direction of material movement in step b) when applied to the material web after step a).
  • step d) two bottoms lying opposite one another are folded and then the tube formed is trimmed in the center with bottoms and carrier elements, so that two bags are created. Efficiency can thus be doubled, since two bags are created simultaneously in one process cycle.
  • a perforation line is applied to the material web perpendicular to the direction of material web movement.
  • a perforation line can make sense if the bottom is folded as a flat and gusseted bottom.
  • the carrier element can be punched or perforated or lasered before step a) in such a way that at least one handle that can be folded out of the carrier element is produced. It is also conceivable that two fold-out handles are created in a carrier element. It should also be noted that there is no material waste, which is advantageous from an environmental point of view.
  • the transport direction of the material web or the hose or the hose section in step a) to step b) or to step c) is perpendicular to the transport direction for step d) and / or for the step for severing the hose, which has two opposite floors. It also includes that the transport directions that are perpendicular to one another can also lie one above the other.
  • the direction of transport of the material web or the hose or the hose section in step d) is transverse to the longitudinal extension of the bag, as a result of which the efficiency in the bottom folding can be increased.
  • the device can be suitable to apply two pairs of handles on the material web, whereby according to d) the floor layer can be suitable to fold two floors lying opposite one another, wherein a separating device can be provided with which the tube section formed with floors and support elements is centered is severable so that two bags can be created.
  • the separating device can make a serrated cut so that a blunt, non-cutting edge is created on the bag. It can also be provided that the cut is carried out by the separating device in such a way that a perforated edge or felted edge or a frayed edge is produced, which likewise reduces the risk of injury at the edge.
  • the floor layer can be designed as a floor formation unit, which can advantageously also be integrated in a separate unit of the machine system.
  • a smooth edge is conceivable, which can be used, for example, in the case of a light bag material, without there being any risk of the user being injured at the edge.
  • the machine system can be further developed such that the device according to a) is suitable for introducing an opening aid on one of the two carrier elements, in particular that the opening aid as one Material recess is carried out in the carrier element and in the material web.
  • the material web has not yet been formed as a tube, it is particularly advantageous to provide one of the two carrier elements with the opening aid.
  • the machine system includes the possibility that the device according to a) as well as the hose forming device and the separating device and the floor layer are integrated within one unit. This is particularly feasible if the machine system works without a separating device, in which a carrier element is used in the device for applying a pair of handles to a material web, in which only a fold-out handle is integrated.
  • the device according to a) and the hose forming device and the separating device are integrated in a first unit and the floor layer and the separating device are integrated in a second unit.
  • a carrier element is used in which two fold-out handles are integrated, which are arranged one behind the other in the direction of the material web movement.
  • FIGS 3 to 8 Possible alternative embodiments of a bag 10 according to the invention are shown.
  • the bag 10 In the case of the bag 10 not yet in use, that is to say after its production or in its transport state, the bag 10 is folded flat, which, for example, in FIG Figure 1 , 3rd , Figure 4 and Figure 6 is shown. In this state, the front wall 11 and the rear wall 12 of the bag 10 lie directly on top of one another, the bag 10 having a bottom 13 which can be folded into the plane of the walls 11, 12. If the user now wants to use this bag 10, both walls 11, 12 can be folded apart, so that a filling space 14 which is open on one side is obtained, which in FIG Figure 5 is shown.
  • the bag 10 has a pair of handles 31 which is fastened to the inner sides 16, 17 of the walls 11, 12.
  • the pair of carrying handles 31 has two handles 32, 33 which are fastened within the filling space 14 on the inner sides 16, 17 of the front wall 11 and the rear wall 12. This is used in the Figures 3 to 5 clear.
  • Each handle 32, 33 is part of a carrier element 30, which in Figure 1 and 2nd is also shown.
  • the carrier element 30 can be designed as a slip.
  • the carrier element 30 is punched out or lasered or perforated in such a way that the handle 32, 33 can be folded out of the carrier element 30, which in FIG Figures 3 and 4 is shown schematically.
  • the pair of handles 31 is in a rest position 2, in which the pair of handles 31 is located completely within the filling space 14.
  • Figure 4 the position of use 1 of the pair of handles 31 is shown, in which the pair of handles 31 protrude from the filling space 14.
  • the pair of carrying handles 31 has a fold line 15 which is located in the filling space 14, the fold line 15 also being able to be located on the edge 18 of the bag 10 or on the front wall 11 or the rear wall 12. In the latter embodiment, the folding line 15 is also in the filling space 14 according to the inventive concept.
  • the carrier element 30 is arranged flush with the edge 18 of the front wall 11 and the rear wall 12. It is conceivable that the carrier element 30 can also be arranged at a distance from the edge 18 on the inside of the bag 10. The edge 18 is located opposite the floor 13. According to Figure 1 to 6 and 8, the carrier element 30 is rectangular.
  • the handle 32, 33 represents part of the carrier element 30, which in the exemplary embodiments shown is attached to the inner sides 16, 17 of the walls 11, 12 in a material-locking manner. A hot glue connection or a cold glue connection can be used here.
  • the bag 10 can have a recess 19 on the edge 18 of the front wall 11 or the rear wall 12, which serves as an opening aid in order to unfold the still-folded bag 10 in order to guide and place objects in the filling space 14.
  • the opening aid 19 is semicircular in the exemplary embodiments shown. So that when the bag 10 is unfolded, the user does not experience any injuries on the edge 18 of the walls 11, 12 of the bag 10, the edge 18 is “blunt”, which means that the edge 18 is perforated and / or felted out and / or frayed, for example educated.
  • the handle 32, 33 or the pair of carrying handles 31 can have various geometric shapes, wherein the handle 32, 33 can have the shape of an advertising medium which, for example, in Figure 8 is shown.
  • the handle 32, 33 has an M-shaped shape.
  • each exemplary embodiment of the invention has a pair of handles 31 which has a handle opening 34 so that the user can reliably grip the pair of handles 31 in the use position 1 of the handles 32, 33.
  • the bag 10 can have a transparent viewing window 20 on the front wall 11 and / or on the rear wall 12 so that the user can see into the filling space 14.
  • the bottom 13 of the bag 10 can be designed differently, for example it is conceivable that the bottom 13 according to Figure 1 and 2nd is designed as a cross bottom 13a or block bottom 14b or as a flat and gusseted bottom 13c.
  • the carrier element 30 can be made from a material-reinforced and / or fabric-reinforced paper and / or fabric and / or flow. It is also conceivable that the carrier element 30 is formed from a plastic. In the exemplary embodiments shown, the bag 10 is made from a paper material. It is conceivable that the carrier element 30 has a weight of approximately 200 g / m 2 to 300 g / m 2 .
  • a bag 10 can be made or manufactured which, for example, Figure 3 to Figure 8 is shown.
  • the carrier elements 30 are first produced in a device 50 with the foldable handles 32, 33 Figure 1 each carrier element 30 has a fold-out handle 32, 33.
  • each carrier element 30 has two handles 32, 33 arranged opposite one another.
  • two spaced-apart carrier elements 30 are attached to the translationally moving material web 3 from which the bag 10 is made.
  • the material web 3 moves in the direction of the arrow which bears the reference number 6.
  • the device 60 also forms the tube of the material web 3, so that the material web 3 forms a tube 4 and the carrier elements 30 lie one on top of the other within the tube 4.
  • the material web 3 is then separated in the separating device 70, so that individual hose sections 5 with two superimposed support elements 30 are formed, which lie within the hose 4 and touch.
  • the hose 4 or the hose section 5 can be folded, so that according to Figure 1 a floor 13 and according Figure 2 two floors 13 arise.
  • a floor layer 80 becomes active on the material web 3 after the device 60 and folds a floor 13 on the hose 4 before the material web 3 is subsequently separated.
  • FIG. 1 the manufacturing cycle after the floor layer 80 is ended, so that the end product is the bag 10.
  • Figure 2 After the floor layer 80, a central severing of the hose section 5 takes place through both carrier elements 30, so that two bags 10 are subsequently formed.
  • a perforation line 21 is applied to the material web 3 perpendicular to the material movement direction 6.
  • the perforation line 21 can serve to favor the separation in the device 70.
  • the opening aid 19 can be introduced within the device 60 at the edge region of one of the two carrier elements 30, in the present exemplary embodiment according to FIG Figure 1 and Figure 2 the opening aid 19 is designed as a material recess in the carrier element 30 and in the material web 3. This is due to the fact that, in the separating device 90, the tube section 5, which is provided with a bottom 13 on both sides, is cut centrally through the recess 19. Subsequently, both bags 10 have an opening aid 19 which corresponds to the opening aid 19 Figure 1 corresponds. Only the efficiency in the production of the bags 10 in can be Figure 2 double.
  • the device 50 and / or 60 and 70 are integrated in a first unit and the Floor layer 80 and the separating device 90 are combined within a second unit.
  • the tennis device 90 can also be integrated in a separate unit.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bag Frames (AREA)
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Claims (17)

  1. Sachet (10) avec une paroi avant (11) et une paroi arrière (12), disposée parallèlement à la paroi avant (11), un fond (13) pliable dans le plan des parois (11, 12), de façon à obtenir un espace de remplissage ouvert d'un côté (14), et une paire de poignées de transport (31) qui est fixée à la paroi avant (11) et à la paroi arrière (12),
    la paire de poignées de transport (31) pouvant être amenée dans une position d'utilisation (1) et dans une position de repos (2), dans lequel, dans la position de repos (2), la paire de poignées de transport (31) est entièrement repliée à l'intérieur de l'espace de remplissage (14) et, dans la position d'utilisation (1), la paire de poignées de transport (31) dépasse, au moins à certains endroits, de l'espace de remplissage (14), dans lequel la paire de poignées de transport (31) comprend une ligne de pliage (15) qui, dans la position d'utilisation (1), est disposée dans l'espace de remplissage (14), dans lequel la paire de poignées de transport (31) comprend deux poignées (32, 33) qui sont fixées à l'intérieur de l'espace de remplissage (14) à la paroi avant (11) et à la paroi arrière (12), dans lequel une poignée (32, 33) est fixée à l'intérieur (16) de la paroi avant (11) et l'autre poignée (32, 33) est fixée à l'intérieur (17) de la paroi arrière (12),
    caractérisé en ce que chaque poignée (32, 33) est une partie d'un élément porteur (30) qui est fixé à l'intérieur (16) de la paroi avant (11) resp. à l'intérieur (17) de la paroi arrière (12) et de préférence est conçu comme une feuille, dans lequel, sur l'élément porteur (30), est intégrée au moins une poignée dépliable (32, 33).
  2. Sachet (10) selon l'une des revendications précédentes,
    caractérisé en ce que
    la paire de poignées de transport (31) est fixée par liaison de matière aux deux parois (11, 12), dans lequel, plus particulièrement, une liaison par collage à chaud ou une liaison par collage à froid est réalisée.
  3. Sachet (10) selon l'une des revendications précédentes,
    caractérisé en ce que
    l'élément porteur (30) est estampé ou traité au laser ou perforé de façon à ce que la poignée (32, 33) puisse être dépliée hors de l'élément porteur (30).
  4. Sachet (10) selon l'une des revendications précédentes,
    caractérisé en ce que
    l'élément porteur (30) est disposé de manière alignée avec le bord (18) de la paroi avant (11) et/ou de la paroi arrière (12), dans lequel le bord (18) est disposé en face du fond (13).
  5. Sachet (10) selon l'une des revendications précédentes,
    caractérisé en ce que
    l'élément porteur (30) présente une forme rectangulaire et/ou carrée.
  6. Sachet (10) selon l'une des revendications précédentes,
    caractérisé en ce que
    sur le bord (18) de la paroi avant (11) ou de la paroi arrière (12), est réalisée une aide à l'ouverture (19), plus particulièrement en ce que l'aide à l'ouverture (19) est conçue comme un évidement (19).
  7. Sachet (10) selon l'une des revendications précédentes,
    caractérisé en ce que
    le bord (18) est perforé et/ou feutré et/ou effiloché.
  8. Sachet (10) selon l'une des revendications précédentes,
    caractérisé en ce que
    la poignée (32, 33) présente la forme d'un support de publicité, plus particulièrement la poignée (32, 33) présente la forme d'un M.
  9. Sachet (10) selon l'une des revendications précédentes,
    caractérisé en ce que
    l'élément porteur (30) présente une épaisseur de matériau qui est supérieure à la paroi avant (11) et/ou la paroi arrière (12)
    et/ou en ce que l'élément porteur (30) est constitué d'un papier renforcé par un matériau et/ou renforcé par un tissu et/ou d'un tissu et/ou d'un non-tissé ou d'une matière plastique.
  10. Sachet (10) selon l'une des revendications précédentes,
    caractérisé en ce que
    la paroi avant (11) et/ou la paroi arrière (12) comprennent une fenêtre (20) ou une bande transparente,
    et/ou en ce que le fond (13) est conçu comme un fond croisé (13a) ou comme un fond plat (13b) ou comme un fond à plis plats et latéraux (13c).
  11. Sachet (10) selon l'une des revendications précédentes,
    caractérisé en ce que
    l'élément porteur (30) présente un poids d'environ 200 g/m2 à 300 g/m2, plus particulièrement en ce que l'élément porteur (30) présente un poids inférieur à 200 g/m2, de préférence en ce que l'élément porteur (30) présente un poids inférieur à 100 g/m2, plus particulièrement de préférence en ce que l'élément porteur (30) présente un poids inférieur à 65 g/m2.
  12. Procédé de fabrication d'un sachet (10) selon l'une des revendications 1 à 11, avec une paroi avant (11) et une paroi arrière (12), disposée parallèlement à la paroi avant (11), un fond (13) pliable dans le plan des parois (11, 12), de façon à obtenir un espace de remplissage ouvert d'un côté (14), et une paire de poignées de transport (31) qui est fixée à la paroi avant (11) et à la paroi arrière (12),
    avec les étapes suivantes :
    a) fixation de deux éléments porteurs (30) distants entre eux à une bande de matériau (3) se déplaçant en translation, dans lequel, à l'élément porteur (30), est intégrée au moins une poignée dépliable (32, 33),
    b) formation d'une gaine de la bande de matériau (3), de façon à ce que la bande de matériau (3) forme une gaine (4) et à ce que les éléments porteurs (30) se superposent,
    c) séparation de la bande de matériau (3), de façon à obtenir différentes portions de gaine (5) avec au moins deux éléments porteurs (30) superposés, qui se trouvent à l'intérieur de la gaine (4),
    d) pliage de la gaine (4), de façon à obtenir au moins un fond (13),
    dans lequel la paire de poignées de transport (31) comprend deux poignées (32, 33) qui sont fixées, à l'intérieur de l'espace de remplissage (14), à la paroi avant (11) et à la paroi arrière (12), dans lequel une poignée (32, 33) est fixée à l'intérieur (16) de la paroi avant (11) et l'autre poignée (32, 33) est fixée à l'intérieur (17) de la paroi arrière (12),
    dans lequel chaque poignée (32, 33) est une partie de l'élément porteur (30) qui est fixée à l'intérieur (16) de la paroi avant (11) resp. à l'intérieur (17) de la paroi arrière (12) et de préférence conçue comme une feuille, dans lequel, à l'élément porteur (30), est intégrée au moins une poignée dépliable (32, 33).
  13. Procédé selon la revendication 12,
    caractérisé en ce que
    l'étape d) a lieu avant l'étape c).
  14. Procédé selon la revendication 12 ou 13,
    caractérisé en ce que
    avant l'étape b), une aide à l'ouverture (19) est réalisée au niveau du bord d'un des éléments porteurs (30), plus particulièrement en ce que l'aide à l'ouverture (19) est conçue comme un évidement de matériau dans l'élément porteur (30) et dans la bande de matériau (3).
  15. Procédé selon l'une des revendications précédentes 12 - 14,
    caractérisé en ce que
    l'élément porteur (30) comprend deux poignées dépliables (32, 33) qui sont disposées, à l'étape a), l'une derrière l'autre dans la direction du mouvement de la bande de matériau, plus particulièrement en ce que, avant l'étape b), une aide à l'ouverture (19) est réalisée au centre sur un des deux éléments porteurs (30), plus particulièrement en ce que l'aide à l'ouverture (19) est conçue comme un évidement de matériau dans l'élément porteur (30) et dans la bande de matériau (3).
  16. Procédé selon l'une des revendications précédentes 12 - 15,
    caractérisé en ce que
    les éléments porteurs (30) superposés sont orientés entre eux et disposés, selon l'étape b), lors de l'application sur la bande de matériau (3), après l'étape a), perpendiculairement à la direction de déplacement de la bande de matériau (6) et/ou en ce que, après l'étape a) ou avant l'étape a), une ligne de perforations (21) est appliquée perpendiculairement à la direction de déplacement de la bande de matériau (6) sur la bande de matériau (3).
  17. Procédé selon l'une des revendications précédentes 12 - 16,
    caractérisé en ce que
    à l'étape d), deux fonds opposés entre eux (13) sont pliés et la gaine (4) qui en résulte, avec des fonds (13) et des éléments porteurs (30), est sectionnée au centre, de façon à obtenir deux sachets (10),
    et/ou en ce que, avant l'étape a), l'élément porteur (30) est estampé ou perforé ou traité au laser de façon à obtenir au moins une poignée (32, 33) dépliable hors de l'élément porteur (30).
EP14707363.9A 2013-05-24 2014-02-26 Sac d'emballage et procédé de fabrication de tels sacs d'emballage Active EP3003892B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE201310105381 DE102013105381A1 (de) 2013-05-24 2013-05-24 Beutel, Verfahren zur Herstellung eines Beutels sowie Maschinensystem zur Herstellung eines Beutels
PCT/EP2014/053758 WO2014187582A1 (fr) 2013-05-24 2014-02-26 Sachet, procédé servant à fabriquer un sachet, et système de machine servant à fabriquer un sachet

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EP3003892A1 EP3003892A1 (fr) 2016-04-13
EP3003892B1 true EP3003892B1 (fr) 2020-04-15

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EP (1) EP3003892B1 (fr)
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EP3140223B1 (fr) 2014-05-08 2019-03-27 Ifoodbag AB Système d'emballage et de transport de produits d'épicerie et procédé de distribution de marchandises réfrigérées
WO2015171034A1 (fr) 2014-05-08 2015-11-12 Ifoodbag Ab Système d'emballage de transport de courses
US11453517B2 (en) 2014-05-08 2022-09-27 Ifoodbag Ab Grocery transport packaging system
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US20160130039A1 (en) 2016-05-12
US10131469B2 (en) 2018-11-20
EP3003892A1 (fr) 2016-04-13
DE102013105381A1 (de) 2014-11-27
WO2014187582A1 (fr) 2014-11-27

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