EP3305515B1 - Device and method for producing a bag packaging - Google Patents

Device and method for producing a bag packaging Download PDF

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Publication number
EP3305515B1
EP3305515B1 EP17182966.6A EP17182966A EP3305515B1 EP 3305515 B1 EP3305515 B1 EP 3305515B1 EP 17182966 A EP17182966 A EP 17182966A EP 3305515 B1 EP3305515 B1 EP 3305515B1
Authority
EP
European Patent Office
Prior art keywords
glue
spout
packaging material
material web
glue application
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
EP17182966.6A
Other languages
German (de)
French (fr)
Other versions
EP3305515A1 (en
Inventor
Ellen Reichmann
Carina Ettwein
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP3305515A1 publication Critical patent/EP3305515A1/en
Application granted granted Critical
Publication of EP3305515B1 publication Critical patent/EP3305515B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • B31B70/84—Forming or attaching means for filling or dispensing contents, e.g. valves or spouts
    • B31B70/844—Applying rigid valves, spouts, or filling tubes
    • 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
    • B65D31/00—Bags or like containers made of paper and having structural provision for thickness of contents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C13/00—Means for manipulating or holding work, e.g. for separate articles
    • B05C13/02—Means for manipulating or holding work, e.g. for separate articles for particular articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
    • B05C5/001—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work incorporating means for heating or cooling the liquid or other fluent material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
    • B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
    • B05C5/027—Coating heads with several outlets, e.g. aligned transversally to the moving direction of a web to be coated
    • B05C5/0275—Coating heads with several outlets, e.g. aligned transversally to the moving direction of a web to be coated flow controlled, e.g. by a valve
    • B05C5/0279—Coating heads with several outlets, e.g. aligned transversally to the moving direction of a web to be coated flow controlled, e.g. by a valve independently, e.g. individually, flow controlled
    • 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
    • B31B70/60—Uniting opposed surfaces or edges; Taping
    • B31B70/62—Uniting opposed surfaces or edges; Taping by adhesives
    • 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
    • B31B70/60—Uniting opposed surfaces or edges; Taping
    • B31B70/62—Uniting opposed surfaces or edges; Taping by adhesives
    • B31B70/628—Applying glue on moving webs to form tubular webs
    • 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
    • B65B1/00—Packaging fluent solid material, e.g. powders, granular or loose fibrous material, loose masses of small articles, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
    • B65B1/02—Machines characterised by the incorporation of means for making the containers or receptacles
    • 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
    • B65B51/02—Applying adhesives or sealing liquids
    • B65B51/023—Applying adhesives or sealing liquids using applicator nozzles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B61/00—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages
    • B65B61/18—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for making package-opening or unpacking elements
    • B65B61/186—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for making package-opening or unpacking elements by applying or incorporating rigid fittings, e.g. discharge spouts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B9/00—Enclosing successive articles, or quantities of material, e.g. liquids or semiliquids, in flat, folded, or tubular webs of flexible sheet material; Subdividing filled flexible tubes to form packages
    • B65B9/10—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs
    • B65B9/20—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs the webs being formed into tubes in situ around the filling nozzles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • 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
    • 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
    • B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
    • B65D75/52—Details
    • B65D75/58—Opening or contents-removing devices added or incorporated during package manufacture
    • B65D75/5861—Spouts
    • B65D75/5872—Non-integral spouts
    • B65D75/5877—Non-integral spouts connected to a planar surface of the package wall
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
    • B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
    • B05C5/0254—Coating heads with slot-shaped outlet
    • 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
    • B31B70/60—Uniting opposed surfaces or edges; Taping
    • B31B70/62—Uniting opposed surfaces or edges; Taping by adhesives
    • B31B70/626—Arrangements for permitting the glue to set

Definitions

  • the invention relates to an apparatus and a method for producing a bag package according to the preamble of the independent claims.
  • a device for applying an adhesive layer having an application pattern to an endless packaging material web and a corresponding use of the device are already known.
  • An application device is arranged transversely to a conveying direction of the packaging material web and has individually actuated adhesive nozzles. This device is provided in particular for a tubular bag machine.
  • a device for producing pouches of a sealable packaging material web in particular a heat-sealable material in the form of a sealable plastic film, with a stepwise rotating about an axis transport wheel known, which has a plurality of, the cross section of the bag packs adapted holding means for each one applied to the holding device packaging material ,
  • a first sealing device serves to form a longitudinal sealing seam of the bag packs at overlapping edge regions of the packaging material web.
  • a generic device is also off DE 4117428 A known.
  • the invention has for its object to produce an easily emptied, sustainable packaging. This object is solved by the features of the independent claims.
  • the device according to the invention and the method according to the invention according to the features of the independent claims have the advantage over that in particular dust and insect-proof paper bags can be produced while retaining the advantages of a resealable packaging.
  • the ecological packaging paper easily emptied or resealable packs of great product safety, (for example, insect-tight, less manipulation of the packaged product) at high application rates of some foods such as flour, sugar, oatmeal etc. offer.
  • On foil packaging can be dispensed with.
  • At least one glue application station is provided according to the invention, by means of which a glue application can be applied to the paper web consisting of packaging material for fastening at least one spout to the bag packing.
  • at least one sealing unit is provided for reactivation, in particular for liquefaction, of the glue application for fastening the spout to the bag pack.
  • the glue application station is designed to apply an at least partially annular and / or cast-like glue application to the packaging material web. This makes it particularly easy to attach a spout, for example, via the fixation of the associated flange.
  • the glue application station has at least two application devices which act on different sides of the packaging material web.
  • the spout may be attached to the outside of the bag package while the insides are used to form longitudinal and transverse sutures.
  • the sealing unit is designed such that it presses against the molding device when the spout is fastened. This can be dispensed with a separate counter-holder and resort to the already existing mold device, so that further simplifies the device.
  • the glue application station comprises a plurality of independently controllable nozzles. This can be with the same station different easily emptied or resealable packages, also concerning different shapes of the spout, produce.
  • the sealing unit comprises at least one receiving device for receiving the spout.
  • the sealing unit can be used both for reactivation in particular a hot melt as well as for placing the closure on the packaging web.
  • the sealing unit is particularly preferably designed to be pivotable between the feed and the glue application.
  • the sealing unit for reactivation, in particular for liquefying, the glue is a heating of the applied glue in a temperature range between 100 and 200 ° C and / or for heating for a duration in a range between 150 and 400 ms, especially preferably configured 200 ms. In these areas can be good Achieve results in terms of rapid production and high strength at the same time.
  • FIG. 1 a perspective view of a bag package 1 is shown.
  • the bag pack 1 is designed, for example, as a gable packing.
  • a spout 78 is arranged on the front side of the bag pack 1.
  • the spout 78 comprises a flange 76, which is glued to an outer side 90 of the bag package 1.
  • the flange 76 is part of the spout 78.
  • the bag package 1 comprises an upper transverse seam 6, which closes off the bag package 1 in the upper region. In the lower area is a lower transverse seam 5.
  • the bag package 1 also has a lower transverse seam 5 and an upper transverse seam 6. Again, a spout 78 is provided, but now on a side surface of the bag package 1, preferably in the upper region, is arranged.
  • FIG. 3 a section through a spout 78 is shown.
  • the spout 78 is reclosable by screwing a closure 79, such as a cap, onto a thread connected to the flange 76.
  • the bottom of the flange 76 is bonded to the outside 90 of the bag package 1.
  • the closure 79 could also comprise cutting means which, for example, when opening the bag package 1 at least partially open it in the region of the inside of the area surrounded by the flange 76, so that the product inside the bag package 1, for example free-flowing bulk material, opens over the bag Spout 78 can be completed. In this way, a tamper-evident closure can be realized.
  • the packaging material could be punched out on the area surrounded by the flange 76, so that corresponding cutting means could be dispensed with.
  • the underlying packaging material could be both pre-punched, scratched, perforated, etc. as well as completely untreated.
  • the spout 78 made of fibers or a pulp mixture, so could be applied by means of ultrasound.
  • the bag package 1 is at least substantially made of paper. It is made using glue 80.
  • This glue 80 may be, for example, a hot melt adhesive, a dispersion adhesive, a pressure sensitive adhesive, an adhesive tape, etc. With this glue 80, the spout 78 or the underside of the flange 76 is glued to the outside 90 of the packaging material 2.
  • an application pattern 8 is shown on the later inner side 88 of the bag package 1 with glue 80, as is applied, for example, in the production with a tubular bag machine 100.
  • glue 80 is applied, for example, in the production with a tubular bag machine 100.
  • the glue is applied to create the upper transverse seam region 6 or the lower transverse seam region 5.
  • the glue application 82 for attaching the spout 78 to the outside 90 of the bag package 1 is shown.
  • the glue application 82 is for example annular, corresponding to the contour of the underside of the flange 76.
  • other forms of glue application 82 are possible.
  • an application device 111 For applying the glue 80 to the inside 88 of the bag pack 1, an application device 111 is provided. For applying the glue 80 to the outside 90 of the bag pack 1, an application device 112 is provided.
  • the two applicators 111,112 are components of a glue application station 9. For this purpose, the two applicators 111,112 on opposite sides, based on the intervening packaging material or packaging material 2, respectively. Thereby, the glue application to create the bag package 1 on the later inside 88 of the bag package 1 and for attaching the spout 78 on the later outer side 90 of the bag package 1 done.
  • the packaging thus described can be used on different devices such as in the FIGS. 6 and 7 shown produced.
  • a longitudinal seam 5, designed here as a fin seam or lap seam, is produced. This is done by creating a seal or reactivation of a size 80, for example by the practice of sealing jaws. There is also a folding. As a result, the longitudinal seam 5 is folded over on one side. In the following further step, the protruding head area 3 is brought into a gable shape. In this case, appropriate folding elements set in the middle of the folding from both sides. This is followed by the creation of a transverse seam 6.
  • a seal or reactivation of the glue 80 is made, for example, by the movement of the associated sealing jaws.
  • the folding of the protruding transverse seam 6 is downwards, so that there is a flat bottom surface.
  • a pressing 8 so that the bottom surface with associated bottom closure 3 is a flat footprint.
  • the spout 78 is placed on the glue application 82 on the outside 90. Again, the applied glue 80 of the glue application 82 is reactivated, for example reheated, so that the glue 80 applied to the packaging material web 20 bonds to the spout 78.
  • the described steps can now, for example, in a device 10 according to FIG. 6 respectively.
  • the device 10 comprises at least one glue application station 9.
  • This glue application station 9 applies a glue 80 in a specific glue pattern 8, which is particularly suitable for producing a dust-tight bag package 1, in particular with the bottom closure 3, and for attaching the spout 78.
  • a packaging material web 20 passes for this purpose in the detection range of the glue application station 9.
  • the glue application station 9 is in an enlarged section of the FIG. 6 shown closer.
  • the applicator 111 carries, for example, in FIG. 4 shown job image 8 on.
  • the applicator 112 carries, for example, in FIG. 5 shown job image 8 on.
  • the device 10 comprises a preferably in a vertical axis 11 stepwise rotatable transport wheel 12 in the form of a so-called mandrel wheel.
  • On the transport wheel 12 are several, in the illustrated embodiment, eight, arranged at equal angular intervals to each other, with respect to the axis 11 radially outwardly projecting holding devices 13, so-called retaining mandrels arranged.
  • the holding devices 13 are each formed identically and have a (rectangular) cross section, which corresponds to the cross section of the bag pack 1.
  • the holding device 13 consists for example two sub-elements 14, 15, wherein the one sub-element 14 may have a larger (rectangular) cross-section than the other sub-element 15, which is formed in the embodiment in the form of a relatively thin plate.
  • the second sub-element 15 from the in the Fig. 6 shown, spaced to the sub-element 14 position are moved by means not shown in the direction of the arrow 16 to the first sub-element 14, so that overall for the two sub-elements 14, 15 results in a smaller cross section, which is smaller than the cross section of the bag package. 1 ,
  • the holding means 13 a cross-section, which is such that the front wall and the rear wall and the side walls of the bag pack 1 at least almost without play or air rest against the holding device 13.
  • the bag packages 1 are formed from an endless packaging material web 20, which is conveyed by means of a conveying device in the direction of a transfer station 21 of the transport wheel 12 or is aligned therewith.
  • the packaging material web 20 is supplied in particular by means of a vacuum suction band 35 of the device.
  • the device is arranged within the transport wheel 12.
  • a separator 36 with a lower blade 37 and an upper blade 38 is arranged, which are arranged to separate a packaging material blank, which is adapted to the length of the trays to be formed bag package 1, against each other.
  • the material of the packaging material web 20 is in the region of the remaining corner region of the forming mandrel 40 such that the longitudinal seam 5 can be formed by means of a sealing device 45 for creating a longitudinal seam 5.
  • the sealing device 45 generates heat and activates or liquefies the previously applied and temporarily dried glue 80.
  • the corresponding sealing jaws of the sealing device 45 for creating a longitudinal seam 5 press the two ends of the packaging material web 20 against each other, so that the liquid glue again 80 to both ends a fin seam or longitudinal seam 5 connects to each other.
  • the sealing device 45 for creating the longitudinal seam 5 is arranged in the embodiment in the transport wheel 12. Alternatively, however, it could also be arranged in front of the transport wheel 12, for example in conjunction with a forming mandrel.
  • Vacuum suction belts 48, 49 are located below a forming mandrel 40 or holding device 13, wherein one vacuum suction belt 48 is arranged in the region of the folding box table 42, while the other vacuum suction belt 49 is located in the region of the holding device 13.
  • the rotatable in a clockwise direction in the direction of arrow 52 transport wheel 12 is used in addition to the preparation of the longitudinal seam 5 and to fold on a holding device 13 located on the bag blank bottom seal 3 and seal or to activate the applied glue 80, and on the other Bottom closure 3 to press against an end face 53 of the holding device 13.
  • a folding device with a plurality, only symbolically shown, movable folding elements 57, 58 are arranged at one of the transfer station 21 in the direction of rotation of the transport wheel 12 downstream folding station 55.
  • the folding station 55 is followed by a sealing device 60 with a sealing jaw 61 for sealing the bottom closure 3 of the bag pack 1.
  • the sealing device 60 is adjoined by a pressing station 65 with a pressure plate 66 which presses against the end face 53 of the holding device 13 the bottom closure 3 folded down against the end face 53 of the holding device 13.
  • the transport wheel 12 also serves to apply the spout 78.
  • a sealing unit 86 is arranged above the transport wheel 12. This sealing unit 86 are supplied to the spouts 78 to be fastened via a feed 84.
  • the feeder 84 may be designed, for example, as a channel, in which the spouts 78 are arranged directly one after the other.
  • the sealing unit 86 takes over the supplied spout 78.
  • the sealing unit 86 reactivates the hot-melt adhesive 80 of the glue application 82.
  • the sealing unit 86 positions the spout 78 via the glue application 82 Sealing unit 86 exerts a certain pressure on the respective spout 78 in the direction of the glue application 82. Thereby, the spout 78 is glued to the outside 90 of the bag package 1 at the location of the glue application 82.
  • the bag packs 1 formed so far are removed from the transport wheel 12 and fed to a transport device 73, which feeds the bag packs 1 to a filling device 72 and a sealing device 74 for forming a head closure of the bag pack 1.
  • the transport device 73 in this exemplary embodiment is a cup chain which has a multiplicity of cups 73a, which each receive a bag pack 1.
  • hot melt adhesives also called hot-melt adhesives
  • Adhesives 80 are solvent-free and more or less solid at room temperature, which are applied to the adhesive surface of the packaging material web 20 when hot and produce a firm bond on cooling.
  • the melting points are usually in the range between 100 ° and 200 ° C.
  • the material used for the packaging material web 20 is paper. This is a special paper on which the glue 80 has good bonding properties. The paper should be chosen so that the glue 80 does not or only slightly absorbs and still a good connection or reactivation is possible.
  • the sealing devices or sealing unit 45, 60, 74, 86 have a lower temperature compared to conventional sealing stations for films, which is for example in the temperature range between 100 ° C and 200 ° C.
  • the sealing devices or sealing unit 45, 60, 74, 86 are characterized by longer sealing times.
  • heat-sealable glue 80 has been found on an endless, in particular consisting of paper packaging material web 20, from which are then formed on a mandrel wheel using a plurality of holding devices 13 bag packages 1, which are filled, for example, with a food.
  • glue 80 in strip form to the packaging material web 20 in the area of the transverse seams 6, 7 (bottom seam and top seam) and longitudinal seams 5 forming sections of the bag pack 1, so that a desired application pattern is formed.
  • a strip of glue 80 is applied to an edge region 22, 23 of the packaging material web 20. On the other side or edge region 22, 23 no strip of glue 80 runs.
  • a first strip of glue 80 Perpendicular to the edge region 22, 23 of the packaging material web 20 runs a first strip of glue 80, which subsequently forms the top seam 7. Parallel thereto, a further strip of glue 80 runs at a small distance, which subsequently forms the bottom seam 6 or transverse seam 6. These strips go over on one side in the marginal strip for the subsequent longitudinal seam 5. On the other hand, however, the strips end marginally substantially spaced from the edge region 22,23. This distance without glue 80 corresponds approximately to the width of the strip for the longitudinal seam 5, so that in a later overlapping of the two edge regions 22,23 to create the longitudinal seam 5 no form particularly thick glue areas at the crossing points between the longitudinal seam 5 and transverse seam 6, 7.
  • the glue 80 dries after application to the packaging material web 20, so that the packaging material web 20 can be transported without sticking through the subsequent devices of the device 10.
  • the dried glue 80 is reactivated by heat, so that the addressed seams 5-7 can be formed.
  • the spout 78 could also be applied to the flat web of packaging material 20.
  • the feeder 84 would have to deliver the spout 78 between the glue application station 9 and the transport wheel 12.
  • the sealing unit 86 activates at this point the glue application 82 for fixing the spout 78 at this point. Accordingly, the sealing unit 86 feeds the spout 78 to the location of the glue application 82.
  • Fig. 7 is shown in a simplified representation of a packaging system in the form of a vertical tubular bag machine 100, which is used to produce bags 1, with dry bulk, for example, foods such as rice, legumes, oatmeal, confectionery, pasta, sugar, flour o.ä. serves.
  • the bags 1 consist in particular of paper, which is stored in the form of an endless packaging material web 20 in roll form and the tubular bag machine 100 is supplied.
  • the tubular bag machine 100 essentially has a first region 101, which comprises a plurality of deflection or dancer rollers 102 for guiding the packaging material web 20, wherein in the first region 101 the packaging material web 20 is partially coated, inter alia, with a glue 80 in the form of a heat-sealable hot melt adhesive ,
  • the coating of the packaging material web 20 is carried out for the area of each bag 1 on the packaging material web 2 continuously at the same locations, wherein in the Fig. 4 by way of example, the blank of a rectangular bag 1 with its two longitudinal seam areas 3, 4 provided with the glue 80 as well as a lower transverse seam area 5 and an upper transverse seam area 6 is shown.
  • the longitudinal seam areas 3, 4 and the transverse seam areas 5, 6 form the application pattern 8 of the size 80 on the packaging material web 20.
  • the application of the glue 80 in the region of the longitudinal seam areas 3, 4 and the transverse seam areas 5, 6 takes place in the illustrated embodiment by means of a glue application device 9 arranged in the first region 101, which comprises two applicator devices 111, 112 in the conveying direction 7 of the packaging material web 20.
  • the application devices 111, 112 are arranged on different sides of the packaging material web 2.
  • both a continuous promotion of the packaging material web 20 can take place as well as a cyclic promotion.
  • the application of the adhesive 80 can take place against a free-floating packaging material web 20, or a packaging material web 20, or the like against rolls. is applied.
  • a device 15 can adjoin the region of the two application devices 111, 112, by means of which the glue 80 applied to the packaging material web 20 can be treated to shorten its drying time, for which purpose the device 15 has, for example, cooling or ventilator devices.
  • the application images 8 having and dried packaging material web 20 then passes from the first region 101 into a second region 103 of the tubular bag machine 100, in a conventional manner a forming shoulder 105, a forming and filling tube 106, a longitudinal seam sealing device 107 and a Quernahtsiegel- and Separator 108 has.
  • a tube is first formed from the packaging material web 20, this then filled with a food, and finally separated individual bag 1 of the hose.
  • a sealing unit 86 is provided in the region of the forming tube 106.
  • the sealing unit 86 are fed via a feeder 84 spouts 78.
  • the feeder 84 may, for example, be in the form of a channel in which the ones 78 are arranged directly one after the other.
  • the sealing unit 86 takes over the supplied spout 78.
  • the sealing unit 86 reactivates the hot-melt adhesive 80 of the glue application 82.
  • the sealing unit 86 positions the spout 78 via the glue application 82.
  • the sealing unit 86 exerts a certain pressure in the direction of the forming tube 106 on the respective spout 78 Direction out. Thereby, the spout 78 is glued to the outside 90 of the bag package 1 at the location of the glue application 82.
  • a glue application station 9 in which over eight not shown, individually controllable glue nozzles glue is introduced into a stationarily arranged housing 25.
  • the housing 25 cooperates with a replaceable mask 26 having eight passages 27a to 27h.
  • the dimensioning or size of the passages 27a to 27h and the thickness of the mask 26 can be used to influence the amount of glue and for feeding into a mouthpiece 28, from which the glue is applied to the packaging material web 20.
  • FIG. 9 schematically the applicator 112 for generating a possible glue application 82 on the outer side 90 of the packaging material web 20 and the bag package 1 is shown.
  • the application device 112 has a glue nozzle unit 115.
  • the glue application 82 has the form of a pixelated circle, for example.
  • individual nozzles as components of the glue nozzle unit 115 of the application device 112 may be switched on with a time delay.
  • These nozzles can be constructed in a similar way to those of the applicator 111.
  • eight nozzles are indicated, via which the glue 80 can be applied.
  • the width of the application device 112 transversely to the conveying direction 7 of the packaging material web 20 is selected so that it covers the width of the glue application 82 securely.
  • the nozzles must be spaced from each other so that the desired pattern, which corresponds substantially to the bottom of the flange 76 of the spout 78, can be generated.
  • the switching times of the respective nozzles are selected or differ in such a way that the desired pattern of the glue application 82 is established. Thus, these are sometimes activated with a time delay to each other.

Description

Stand der TechnikState of the art

Die Erfindung betrifft eine Vorrichtung und ein Verfahren zur Herstellung einer Beutelpackung nach der Gattung der unabhängigen Ansprüche.The invention relates to an apparatus and a method for producing a bag package according to the preamble of the independent claims.

Aus der DE 102013225051 A1 sind bereits eine Vorrichtung zum Aufbringen einer ein Auftragsbild aufweisenden Klebstoffschicht auf eine endlose Verpackungsmaterialbahn sowie eine entsprechende Verwendung der Vorrichtung bekannt. Eine Auftragseinrichtung ist quer zu einer Förderrichtung der Verpackungsmaterialbahn angeordnet und weist individuell betätigte Klebstoffdüsen auf. Diese Vorrichtung ist insbesondere für eine Schlauchbeutelmaschine vorgesehen.From the DE 102013225051 A1 For example, a device for applying an adhesive layer having an application pattern to an endless packaging material web and a corresponding use of the device are already known. An application device is arranged transversely to a conveying direction of the packaging material web and has individually actuated adhesive nozzles. This device is provided in particular for a tubular bag machine.

Aus der DE 102013216206 A1 ist eine Vorrichtung zum Herstellen von Beutelpackungen aus einer siegelfähigen Packstoffbahn, insbesondere ein heißsiegelfähiges Material in Form einer siegelfähigen Kunststofffolie, mit einem um eine Achse schrittweise drehenden Transportrad bekannt, das mehrere, dem Querschnitt der Beutelpackungen angepasste Halteeinrichtungen für jeweils einen an der Halteeinrichtung anliegenden Packstoffzuschnitt aufweist. Eine erste Siegeleinrichtung dient zum Bilden einer Längssiegelungsnaht der Beutelpackungen an einander überlappenden Randbereichen der Packstoffbahn.From the DE 102013216206 A1 a device for producing pouches of a sealable packaging material web, in particular a heat-sealable material in the form of a sealable plastic film, with a stepwise rotating about an axis transport wheel known, which has a plurality of, the cross section of the bag packs adapted holding means for each one applied to the holding device packaging material , A first sealing device serves to form a longitudinal sealing seam of the bag packs at overlapping edge regions of the packaging material web.

Eine gattungsgemäße Vorrichtung ist auch aus DE 4117428 A bekannt.A generic device is also off DE 4117428 A known.

Der Erfindung liegt die Aufgabe zugrunde, eine leicht entleerbare, nachhaltige Verpackung herzustellen. Diese Aufgabe wird gelöst durch die Merkmale der unabhängigen Ansprüche.The invention has for its object to produce an easily emptied, sustainable packaging. This object is solved by the features of the independent claims.

Vorteile der ErfindungAdvantages of the invention

Die erfindungsgemäße Vorrichtung und das erfindungsgemäße Verfahren gemäß den Merkmalen der unabhängigen Ansprüche haben demgegenüber den Vorteil, dass insbesondere Staub-und insektendichte Papierbeutel unter Beibehaltung der Vorzüge einer wiederverschließbarer Verpackung hergestellt werden können. Hier wird die Möglichkeit geschaffen, mit dem ökologischen Packstoff Papier leicht entleerbare bzw. wiederverschließbare Packungen großer Produktsicherheit, (beispielsweise insektendicht, geringere Manipulationsmöglichkeiten des verpackten Produkts) bei hohen Ausbringungsmengen einiger Lebensmittel wie Mehl, Zucker, Haferflocken etc. anzubieten. Auf Folienverpackungen kann damit verzichtet werden.The device according to the invention and the method according to the invention according to the features of the independent claims have the advantage over that in particular dust and insect-proof paper bags can be produced while retaining the advantages of a resealable packaging. Here is the possibility created with the ecological packaging paper easily emptied or resealable packs of great product safety, (for example, insect-tight, less manipulation of the packaged product) at high application rates of some foods such as flour, sugar, oatmeal etc. offer. On foil packaging can be dispensed with.

Diese Vorzüge werden erfindungsgemäß dadurch erreicht, dass durch die partielle Beleimung zur Erstellung der Längs- und/oder Quernaht sowie zur Befestigung eines Ausgusses entsprechend staub-und insektendichte sowie leicht entleerbare bzw. wiederverschließbare Papierbeutel hergestellt werden können. Eine nur partielle Beleimung schont Ressourcen gegenüber einer Folienverpackung, da nur geringe Mengen an Materialien auf Mineralölbasis eingesetzt werden müssen. Papier wird aus nachwachsenden Rohstoffen hergestellt und ist vom Verbraucher für diese Produkte bekannt und akzeptiert. Die Verpackungsanlage kann lediglich mit nur einem einzigen Klebstoff bzw. Leim betrieben werden. Auf beispielsweise Kaltleim kann somit verzichtet werden. Damit entfällt auch die entsprechende Logistik, Lagerhaltung und Reinigungsarbeiten betreffend den oftmals für die Erstellung einer Längsnaht bzw. Bodennaht verwendeten Kaltleim. Durch die Versiegelung mit Klebstoff bzw. Leim können sowohl der Boden, die Längsnaht als auch der Kopf der Verpackung staubdicht verschlossen werden. Zur Versiegelung bzw. Aktivierung des Leims bzw. Klebstoffs können übliche Siegelwerkzeuge aus der Folienbranche verwendet werden mit eventuellen entsprechenden Modifikationen.These advantages are inventively achieved by the fact that can be made by the partial gluing to create the longitudinal and / or transverse seam and attachment of a spout corresponding dust and insect-tight and easily emptied or resealable paper bag. Only a partial gluing saves resources compared to a foil packaging, since only small quantities of materials based on mineral oil have to be used. Paper is made from renewable resources and is known and accepted by the consumer for these products. The packaging system can only be operated with a single adhesive or glue. For example, cold glue can thus be dispensed with. This eliminates the corresponding logistics, warehousing and cleaning work on the often used for the creation of a longitudinal seam or bottom seam cold glue. By sealing with adhesive or glue, both the bottom, the longitudinal seam and the head of the packaging can be sealed dust-tight. To seal or activate the glue or adhesive conventional sealing tools from the film industry can be used with any appropriate modifications.

Hierzu ist erfindungsgemäß zumindest eine Leimauftragsstation vorgesehen, mittels derer ein Leimauftrag auf die aus Papier bestehende Packstoffbahn aufbringbar ist zur Befestigung zumindest eines Ausgusses an der Beutelpackung. Weiterhin ist zumindest eine Siegeleinheit vorgesehen zur Reaktivierung, insbesondere zur Verflüssigung, des Leimauftrags zur Befestigung des Ausgusses an der Beutelpackung.For this purpose, at least one glue application station is provided according to the invention, by means of which a glue application can be applied to the paper web consisting of packaging material for fastening at least one spout to the bag packing. Furthermore, at least one sealing unit is provided for reactivation, in particular for liquefaction, of the glue application for fastening the spout to the bag pack.

In einer zweckmäßigen Weiterbildung ist vorgesehen, dass die Leimauftragsstation dazu ausgebildet ist, einen zumindest teilweise ringförmigen und/oder ausgussförmigen Leimauftrag auf die Packstoffbahn anzubringen. Damit lässt sich besonders einfach ein Ausguss beispielsweise über die Fixierung des zugehörigen Flansches befestigen.In an expedient development, it is provided that the glue application station is designed to apply an at least partially annular and / or cast-like glue application to the packaging material web. This makes it particularly easy to attach a spout, for example, via the fixation of the associated flange.

In einer zweckmäßigen Weiterbildung ist vorgesehen, dass die Leimauftragsstation zumindest zwei Auftragseinrichtungen aufweist, die auf unterschiedliche Seiten der Packstoffbahn einwirken. Somit kann der Ausguss an der Außenseite der Beutelpackung befestigt werden, während die Innenseiten zur Bildung von Längs-und Quernähten verwendet werden.In an expedient development, it is provided that the glue application station has at least two application devices which act on different sides of the packaging material web. Thus, the spout may be attached to the outside of the bag package while the insides are used to form longitudinal and transverse sutures.

In einer zweckmäßigen Weiterbildung ist die Siegeleinheit so ausgestaltet, dass sie beim Befestigen des Ausgusses gegen die Formeinrichtung drückt. Damit kann auf einen separaten Gegenhalter verzichtet und auf die ohnehin vorhandene Formeinrichtung zurückgegriffen werden, so dass sich die Vorrichtung weiter vereinfacht.In an expedient development, the sealing unit is designed such that it presses against the molding device when the spout is fastened. This can be dispensed with a separate counter-holder and resort to the already existing mold device, so that further simplifies the device.

In einer zweckmäßigen Weiterbildung umfasst die Leimauftragsstation mehrere, unabhängig voneinander steuerbare Düsen. Damit lassen sich mit derselben Station unterschiedliche leicht entleerbare bzw. wiederverschließbare Packungen, ebenfalls betreffend unterschiedlicher Formen des Ausgusses, herstellen.In an expedient development, the glue application station comprises a plurality of independently controllable nozzles. This can be with the same station different easily emptied or resealable packages, also concerning different shapes of the spout, produce.

In einer zweckmäßigen Weiterbildung umfasst die Siegeleinheit zumindest eine Aufnahmeeinrichtung zur Aufnahme des Ausgusses. Damit kann die Siegeleinheit sowohl zur Reaktivierung insbesondere eines Heißleim verwendet werden wie auch zum Aufsetzen des Verschlusses auf die Verpackungsbahn. Besonders bevorzugt ist hierzu die Siegeleinheit schwenkbar zwischen der Zuführung und dem Leimauftrag ausgebildet.In an expedient development, the sealing unit comprises at least one receiving device for receiving the spout. Thus, the sealing unit can be used both for reactivation in particular a hot melt as well as for placing the closure on the packaging web. For this purpose, the sealing unit is particularly preferably designed to be pivotable between the feed and the glue application.

In einer zweckmäßigen Weiterbildung ist die die Siegeleinheit zur Reaktivierung, insbesondere zur Verflüssigung, des Leims eine Erwärmung des aufgetragenen Leims in einem Temperaturbereich zwischen 100 und 200 °C und/oder für eine Erwärmung für eine Dauer in einem Bereich zwischen 150 und 400 ms, besonders bevorzugt 200 ms ausgestaltet. In diesen Bereichen lassen sich gute Ergebnisse hinsichtlich schneller Herstellung und zugleich hoher Festigkeiten erzielen.In an expedient development, the sealing unit for reactivation, in particular for liquefying, the glue is a heating of the applied glue in a temperature range between 100 and 200 ° C and / or for heating for a duration in a range between 150 and 400 ms, especially preferably configured 200 ms. In these areas can be good Achieve results in terms of rapid production and high strength at the same time.

Weitere zweckmäßige Weiterbildungen ergeben sich aus weiteren abhängigen Ansprüchen und aus der Beschreibung.Further expedient developments emerge from further dependent claims and from the description.

Beschreibung der AusführungsbeispieleDescription of the embodiments

Verschiedene Ausführungsbeispiele werden in Verbindung mit der nachfolgenden Zeichnung näher beschrieben.Various embodiments will be described in detail in connection with the following drawings.

Diese zeigt in:

Fig. 1
eine perspektivische Ansicht einer ersten Beutelpackung aus Papier mit einem Ausgießer an der Stirnseite,
Fig. 2
eine perspektivische Ansicht einer weiteren Beutelpackung aus Papier mit einem Ausgießer im oberen Seitenbereich,
Fig. 3
eine Schnittdarstellung eines Ausgießers,
Fig. 4
eine Ansicht auf das Leimauftragsmuster der Innenseite der Beutelpackung,
Fig. 5
eine Ansicht auf das Leimauftragsmuster der Außenseite der Beutelpackung,
Fig. 6
eine perspektivische Ansicht einer Vorrichtung zur Herstellung von Beutelpackungen,
Fig. 7
eine perspektivische Ansicht einer weiteren Vorrichtung zur Herstellung von Beutelpackungen,
Fig. 8
eine Leimauftragsstation für die Innenseite des Packstoffes sowie
Figur 9
eine Leimauftragsstation für die Außenseite des Packstoffs.
This shows in:
Fig. 1
a perspective view of a first bag of paper with a spout at the front,
Fig. 2
a perspective view of another bag of paper with a spout in the upper side area,
Fig. 3
a sectional view of a spout,
Fig. 4
a view of the glue application pattern of the inside of the bag package,
Fig. 5
a view of the glue application pattern of the outside of the bag package,
Fig. 6
a perspective view of an apparatus for the production of bag packages,
Fig. 7
a perspective view of another device for the production of bag packages,
Fig. 8
a glue application station for the inside of the packaging material as well
FIG. 9
a glue application station for the outside of the packaging material.

In Figur 1 ist eine perspektivische Ansicht einer Beutelpackung 1 gezeigt. Die Beutelpackung 1 ist beispielsweise als Giebelverpackung ausgeführt. Auf der Frontseite der Beutelpackung 1 ist ein Ausguss 78 angeordnet. Der Ausguss 78 umfasst einen Flansch 76, der mit einer Außenseite 90 der Beutelverpackung 1 verklebt ist. Der Flansch 76 ist Bestandteil des Ausgusses 78. Die Beutelpackung 1 umfasst eine obere Quernaht 6, die die Beutelpackung 1 im oberen Bereich abschließt. Im unteren Bereich befindet sich eine untere Quernaht 5.In FIG. 1 a perspective view of a bag package 1 is shown. The bag pack 1 is designed, for example, as a gable packing. On the front side of the bag pack 1, a spout 78 is arranged. The spout 78 comprises a flange 76, which is glued to an outer side 90 of the bag package 1. The flange 76 is part of the spout 78. The bag package 1 comprises an upper transverse seam 6, which closes off the bag package 1 in the upper region. In the lower area is a lower transverse seam 5.

Bei dem Ausführungsbeispiel gemäß Figur 2 weist die Beutelpackung 1 ebenfalls eine untere Quernaht 5 und eine obere Quernaht 6 auf. Wiederum ist ein Ausguss 78 vorgesehen, der nun jedoch auf einer Seitenfläche der Beutelpackung 1, vorzugsweise im oberen Bereich, angeordnet ist.In the embodiment according to FIG. 2 The bag package 1 also has a lower transverse seam 5 and an upper transverse seam 6. Again, a spout 78 is provided, but now on a side surface of the bag package 1, preferably in the upper region, is arranged.

In der Figur 3 ist ein Schnitt durch einen Ausguss 78 gezeigt. Der Ausguss 78 ist wiederverschließbar ausgeführt, indem ein Verschluss 79, beispielsweise eine Kappe, auf ein Gewinde, das mit dem Flansch 76 verbunden ist, aufgeschraubt werden kann. Die Unterseite des Flansches 76 wird mit der Außenseite 90 der Beutelpackung 1 verklebt. Eventuell könnte der Verschluss 79 auch Schneidmittel umfassen, die beispielsweise beim erstmaligen Öffnen der Beutelpackung 1 diese im Bereich der Innenseite des von dem Flansch 76 umgebenen Bereichs zumindest teilweise öffnen, so dass das im Inneren der Beutelpackung 1 befindliche Produkt, beispielsweise rieselfähiges Schüttgut, über den Ausguss 78 ausgefüllt werden kann. Auf diese Art und Weise kann ein Originalitätsverschluss realisiert werden.In the FIG. 3 a section through a spout 78 is shown. The spout 78 is reclosable by screwing a closure 79, such as a cap, onto a thread connected to the flange 76. The bottom of the flange 76 is bonded to the outside 90 of the bag package 1. Possibly, the closure 79 could also comprise cutting means which, for example, when opening the bag package 1 at least partially open it in the region of the inside of the area surrounded by the flange 76, so that the product inside the bag package 1, for example free-flowing bulk material, opens over the bag Spout 78 can be completed. In this way, a tamper-evident closure can be realized.

Alternativ könnte an dem durch den Flansch 76 umgebenen Bereich das Verpackungsmaterial ausgestanzt sein, so dass auf entsprechende Schneidmittel verzichtet werden könnte. Alternativ könnte der darunterliegende Packstoff sowohl vorgestanzt, geritzt, perforiert etc. wie auch völlig unvorbehandelt sein.Alternatively, the packaging material could be punched out on the area surrounded by the flange 76, so that corresponding cutting means could be dispensed with. Alternatively, the underlying packaging material could be both pre-punched, scratched, perforated, etc. as well as completely untreated.

Sollte der Ausguss 78 aus Faserstoffen bzw. einem Faserstoffgemisch bestehen, so könnte eine Aufbringung mittels Ultraschall erfolgen.If the spout 78 made of fibers or a pulp mixture, so could be applied by means of ultrasound.

Die Beutelpackung 1 besteht zumindest in wesentlichen Teilen aus Papier. Sie wird unter Verwendung von Klebstoff bzw. Leim 80 hergestellt. Dieser Leim 80 kann beispielsweise ein Heißklebestoff, ein Dispersionsklebestoff, ein drucksensitiver Klebstoff, ein Klebeband etc. sein. Mit diesem Leim 80 wird der Ausguss 78 bzw. die Unterseite des Flansches 76 mit der Außenseite 90 des Verpackungsmaterials 2 verklebt.The bag package 1 is at least substantially made of paper. It is made using glue 80. This glue 80 may be, for example, a hot melt adhesive, a dispersion adhesive, a pressure sensitive adhesive, an adhesive tape, etc. With this glue 80, the spout 78 or the underside of the flange 76 is glued to the outside 90 of the packaging material 2.

In Figur 4 ist ein Auftragsbild 8 auf der späteren Innenseite 88 der Beutelpackung 1 mit Leim 80 gezeigt, wie dies beispielsweise bei der Herstellung mit einer Schlauchbeutelmaschine 100 aufgetragen wird. In den seitlichen Bereichen erfolgt der Leimauftrag in den Längsnahtbereichen 3,4. Oben bzw. unten erfolgt der Leimauftrag zur Erstellung des oberen Quernahtbereichs 6 bzw. des unteren Quernahtbereichs 5.In FIG. 4 an application pattern 8 is shown on the later inner side 88 of the bag package 1 with glue 80, as is applied, for example, in the production with a tubular bag machine 100. In the lateral areas of the glue application takes place in the longitudinal seam areas 3,4. At the top or bottom, the glue is applied to create the upper transverse seam region 6 or the lower transverse seam region 5.

In Figur 5 ist der Leimauftrag 82 zur Befestigung des Ausgusses 78 an der Außenseite 90 der Beutelpackung 1 gezeigt. Der Leimauftrag 82 ist beispielsweise ringförmig ausgebildet, entsprechend der Kontur der Unterseite des Flansches 76. Je nach Geometrie des Ausgusses 78 sind auch andere Formen des Leimauftrags 82 möglich.In FIG. 5 For example, the glue application 82 for attaching the spout 78 to the outside 90 of the bag package 1 is shown. The glue application 82 is for example annular, corresponding to the contour of the underside of the flange 76. Depending on the geometry of the spout 78, other forms of glue application 82 are possible.

Zur Aufbringung des Leims 80 auf die Innenseite 88 der Beutelpackung 1 ist eine Auftragsvorrichtung 111 vorgesehen. Zum Aufbringen des Leims 80 auf die Außenseite 90 der Beutelpackung 1 ist eine Auftragsvorrichtung 112 vorgesehen. Die beiden Auftragsvorrichtungen 111,112 sind Bestandteile einer Leimauftragsstation 9. Hierzu werden die beiden Auftragsvorrichtungen 111,112 auf gegenüberliegenden Seiten, bezogen auf die dazwischen verlaufende Packstoffbahn bzw. Verpackungsmaterial 2, angeordnet. Dadurch kann der Leimauftrag zur Erstellung der Beutelpackung 1 auf die spätere Innenseite 88 der Beutelpackung 1 sowie zur Befestigung des Ausgusses 78 auf die spätere Außenseite 90 der Beutelpackung 1 erfolgen.For applying the glue 80 to the inside 88 of the bag pack 1, an application device 111 is provided. For applying the glue 80 to the outside 90 of the bag pack 1, an application device 112 is provided. The two applicators 111,112 are components of a glue application station 9. For this purpose, the two applicators 111,112 on opposite sides, based on the intervening packaging material or packaging material 2, respectively. Thereby, the glue application to create the bag package 1 on the later inside 88 of the bag package 1 and for attaching the spout 78 on the later outer side 90 of the bag package 1 done.

Die so beschriebene Verpackung kann auf unterschiedlichen Vorrichtungen wie beispielsweise in den Figuren 6 und 7 gezeigt hergestellt werden.The packaging thus described can be used on different devices such as in the FIGS. 6 and 7 shown produced.

In einem ersten Schritt wird eine Längsnaht 5, hier ausgestaltet als Flossennaht oder Überlappnaht, hergestellt. Dies erfolgt durch Erstellung einer Siegelung bzw. Reaktivierung eines Leims 80, beispielsweise durch Verfahren von Siegelbacken. Außerdem erfolgt eine Faltung. Dadurch wird die Längsnaht 5 auf eine Seite umgelegt. Im nachfolgenden weiteren Schritt wird der überstehende Kopfbereich 3 in eine Giebelform gebracht. Hierbei setzen entsprechende Faltelemente bei der Faltung mittig von beiden Seiten her an. Anschließend erfolgt die Erstellung einer Quernaht 6. Hierbei wird eine Siegelung bzw. Reaktivierung des Leims 80 vorgenommen beispielsweise durch die Bewegung der zugehörigen Siegelbacken. Anschließend erfolgt die Faltung der überstehenden Quernaht 6 nach unten, so dass sich eine plane Bodenfläche ergibt. Anschließend erfolgt eine Pressung 8, so dass die Bodenfläche mit zugehörigem Bodenverschluss 3 zu einer ebenen Standfläche wird. In einem nachfolgenden Schritt wird an der Außenseite 90 der Ausguss 78 auf den Leimauftrag 82 aufgesetzt. Wiederum wird der aufgetragene Leim 80 des Leimauftrags 82 reaktiviert, beispielsweise erneut erhitzt, so dass der auf dem Packstoffbahn 20 aufgebrachte Leim 80 sich mit dem Ausguss 78 verbindet.In a first step, a longitudinal seam 5, designed here as a fin seam or lap seam, is produced. This is done by creating a seal or reactivation of a size 80, for example by the practice of sealing jaws. There is also a folding. As a result, the longitudinal seam 5 is folded over on one side. In the following further step, the protruding head area 3 is brought into a gable shape. In this case, appropriate folding elements set in the middle of the folding from both sides. This is followed by the creation of a transverse seam 6. Here, a seal or reactivation of the glue 80 is made, for example, by the movement of the associated sealing jaws. Subsequently, the folding of the protruding transverse seam 6 is downwards, so that there is a flat bottom surface. Subsequently, a pressing 8, so that the bottom surface with associated bottom closure 3 is a flat footprint. In a subsequent step, the spout 78 is placed on the glue application 82 on the outside 90. Again, the applied glue 80 of the glue application 82 is reactivated, for example reheated, so that the glue 80 applied to the packaging material web 20 bonds to the spout 78.

Die beschriebenen Schritte können nun beispielsweise in einer Vorrichtung 10 gemäß Figur 6 erfolgen. Die Vorrichtung 10 umfasst zumindest eine Leimauftragsstation 9. Diese Leimauftragsstation 9 trägt einen Leim 80 in einem bestimmten Leimmuster 8 auf, das sich besonders zur Herstellung einer staubdichten Beutelpackung 1, insbesondere mit dem Bodenverschluss 3, sowie zum Anbringen des Ausgusses 78 eignet. Eine Packstoffbahn 20 gelangt hierzu in den Erfassungsbereich der Leimauftragsstation 9. Die Leimauftragsstation 9 wird in einem vergrößerten Ausschnitt der Figur 6 näher gezeigt. Die Auftragsvorrichtung 111 trägt beispielsweise das in Figur 4 gezeigte Auftragsbild 8 auf. Die Auftragsvorrichtung 112 trägt beispielsweise das in Figur 5 gezeigte Auftragsbild 8 auf.The described steps can now, for example, in a device 10 according to FIG. 6 respectively. The device 10 comprises at least one glue application station 9. This glue application station 9 applies a glue 80 in a specific glue pattern 8, which is particularly suitable for producing a dust-tight bag package 1, in particular with the bottom closure 3, and for attaching the spout 78. A packaging material web 20 passes for this purpose in the detection range of the glue application station 9. The glue application station 9 is in an enlarged section of the FIG. 6 shown closer. The applicator 111 carries, for example, in FIG. 4 shown job image 8 on. The applicator 112 carries, for example, in FIG. 5 shown job image 8 on.

Die Vorrichtung 10 umfasst ein in einer vertikalen Achse 11 vorzugsweise schrittweise drehbares Transportrad 12 in Form eines sogenannten Dornrads. An dem Transportrad 12 sind mehrere, im dargestellten Ausführungsbeispiel acht, in gleichmäßigen Winkelabständen zueinander angeordnete, in Bezug zur Achse 11 radial nach außen ragende Halteeinrichtungen 13, sogenannte Haltedorne, angeordnet. Die Halteeinrichtungen 13 sind jeweils identisch ausgebildet und weisen einen (rechteckförmigen) Querschnitt auf, der dem Querschnitt der Beutelpackung 1 entspricht. Die Halteeinrichtung 13 besteht beispielsweise aus zwei Teilelementen 14, 15, wobei das eine Teilelement 14 einen größeren (rechteckförmigen) Querschnitt aufweisen kann als das andere Teilelement 15, das im Ausführungsbeispiel in Form einer relativ dünnen Platte ausgebildet ist. Dabei kann das zweite Teilelement 15 aus der in der Fig. 6 dargestellten, zum Teilelement 14 beabstandeten Position mittels einer nicht dargestellten Einrichtung in Richtung des Pfeils 16 zum ersten Teilelement 14 hinbewegt werden, so dass sich insgesamt gesehen für die beiden Teilelemente 14, 15 ein geringerer Querschnitt ergibt, der kleiner ist als der Querschnitt der Beutelpackung 1.The device 10 comprises a preferably in a vertical axis 11 stepwise rotatable transport wheel 12 in the form of a so-called mandrel wheel. On the transport wheel 12 are several, in the illustrated embodiment, eight, arranged at equal angular intervals to each other, with respect to the axis 11 radially outwardly projecting holding devices 13, so-called retaining mandrels arranged. The holding devices 13 are each formed identically and have a (rectangular) cross section, which corresponds to the cross section of the bag pack 1. The holding device 13 consists for example two sub-elements 14, 15, wherein the one sub-element 14 may have a larger (rectangular) cross-section than the other sub-element 15, which is formed in the embodiment in the form of a relatively thin plate. In this case, the second sub-element 15 from the in the Fig. 6 shown, spaced to the sub-element 14 position are moved by means not shown in the direction of the arrow 16 to the first sub-element 14, so that overall for the two sub-elements 14, 15 results in a smaller cross section, which is smaller than the cross section of the bag package. 1 ,

In der in der Fig. 6 dargestellten Stellung des zweiten Teilelements 15 weisen die Halteeinrichtungen 13 einen Querschnitt auf, der derart ist, dass die Vorderwand sowie die Rückwand und die Seitenwände der Beutelpackung 1 zumindest nahezu ohne Spiel bzw. Luft an der Halteeinrichtung 13 anliegen.In the in the Fig. 6 illustrated position of the second sub-element 15, the holding means 13 a cross-section, which is such that the front wall and the rear wall and the side walls of the bag pack 1 at least almost without play or air rest against the holding device 13.

Die Beutelpackungen 1 werden aus einer endlosen Packstoffbahn 20 geformt, die mittels einer Fördereinrichtung in Richtung einer Übergabestation 21 des Transportrads 12 gefördert wird bzw. mit dieser ausgerichtet ist.The bag packages 1 are formed from an endless packaging material web 20, which is conveyed by means of a conveying device in the direction of a transfer station 21 of the transport wheel 12 or is aligned therewith.

Anschließend wird die Packstoffbahn 20 insbesondere mittels eines Vakuumsaugbands 35 der Einrichtung zugeführt. Die Einrichtung ist innerhalb des Transportrads 12 angeordnet. Am Eintrittsbereich zur Einrichtung ist eine Trenneinrichtung 36 mit einem unteren Messer 37 und einem oberen Messer 38 angeordnet, die zum Abtrennen eines Packstoffzuschnitts, der der Länge der auszubildenden Beutelpackung 1 angepasst ist, gegeneinander beweglich angeordnet sind.Subsequently, the packaging material web 20 is supplied in particular by means of a vacuum suction band 35 of the device. The device is arranged within the transport wheel 12. At the entrance to the device, a separator 36 with a lower blade 37 and an upper blade 38 is arranged, which are arranged to separate a packaging material blank, which is adapted to the length of the trays to be formed bag package 1, against each other.

Zur Ausbildung der Längsnaht 5 aus den beiden randseitigen Bereichen 22, 23 der Packstoffbahn 20 befindet sich das Material der Packstoffbahn 20 im Bereich des verbleibenden Eckbereichs des Formdorns 40 derart, dass mittels einer Siegeleinrichtung 45 zur Erstellung einer Längsnaht 5 die Längsnaht 5 gebildet werden kann. Hierbei erzeugt die Siegeleinrichtung 45 Wärme und aktiviert bzw. verflüssigt dabei den bereits zuvor aufgetragenen und zwischenzeitlich getrockneten Leim 80. Die entsprechenden Siegelbacken der Siegeleinrichtung 45 zur Erstellung einer Längsnaht 5 drücken die beiden Enden der Packstoffbahn 20 gegeneinander, so dass der wieder flüssige Leim 80 die beiden Enden zu einer Flossennaht bzw. Längsnaht 5 miteinander verbindet. Die Siegeleinrichtung 45 zur Erstellung der Längsnaht 5 ist bei dem Ausführungsbeispiel im Transportrad 12 angeordnet. Alternativ könnte sie jedoch auch vor dem Transportrad 12 beispielsweise in Verbindung mit einem Formdorn angeordnet sein.To form the longitudinal seam 5 from the two edge regions 22, 23 of the packaging material web 20, the material of the packaging material web 20 is in the region of the remaining corner region of the forming mandrel 40 such that the longitudinal seam 5 can be formed by means of a sealing device 45 for creating a longitudinal seam 5. In this case, the sealing device 45 generates heat and activates or liquefies the previously applied and temporarily dried glue 80. The corresponding sealing jaws of the sealing device 45 for creating a longitudinal seam 5 press the two ends of the packaging material web 20 against each other, so that the liquid glue again 80 to both ends a fin seam or longitudinal seam 5 connects to each other. The sealing device 45 for creating the longitudinal seam 5 is arranged in the embodiment in the transport wheel 12. Alternatively, however, it could also be arranged in front of the transport wheel 12, for example in conjunction with a forming mandrel.

Unterhalb eines Formdorns 40 bzw. Halteeinrichtung 13 befinden sich beispielhaft Vakuumsaugbänder 48, 49, wobei das eine Vakuumsaugband 48 im Bereich des Falzkastentischs 42 angeordnet ist, während das andere Vakuumsaugband 49 sich im Bereich des Halteeinrichtung 13 befindet.Vacuum suction belts 48, 49 are located below a forming mandrel 40 or holding device 13, wherein one vacuum suction belt 48 is arranged in the region of the folding box table 42, while the other vacuum suction belt 49 is located in the region of the holding device 13.

Das im Uhrzeigersinn in Richtung des Pfeils 52 drehbare Transportrad 12 dient neben der Erstellung der Längsnaht 5 auch dazu, an einem auf der Halteeinrichtung 13 befindlichen Beutelrohling den Bodenverschluss 3 zu falten und zu siegeln bzw. den aufgebrachten Leim 80 zu aktivieren, und zum anderen den Bodenverschluss 3 gegen eine Stirnfläche 53 der Halteeinrichtung 13 zu pressen.The rotatable in a clockwise direction in the direction of arrow 52 transport wheel 12 is used in addition to the preparation of the longitudinal seam 5 and to fold on a holding device 13 located on the bag blank bottom seal 3 and seal or to activate the applied glue 80, and on the other Bottom closure 3 to press against an end face 53 of the holding device 13.

Hierzu ist an einer der Übergabestation 21 sich in Drehrichtung des Transportrads 12 nachgeordneten Faltstation 55 eine Falteinrichtung mit mehreren, lediglich symbolisch dargestellten, beweglichen Faltelementen 57, 58 angeordnet. An die Faltstation 55 schließt sich eine Siegeleinrichtung 60 mit einer Siegelbacke 61 zum Versiegeln des Bodenverschlusses 3 der Beutelpackung 1 an. An die Siegeleinrichtung 60 schließt sich eine Pressstation 65 mit einer Pressplatte 66 an, die den gegen die Stirnfläche 53 der Halteeinrichtung 13 umgelegten Bodenverschluss 3 gegen die Stirnfläche 53 der Halteeinrichtung 13 drückt.For this purpose, at one of the transfer station 21 in the direction of rotation of the transport wheel 12 downstream folding station 55, a folding device with a plurality, only symbolically shown, movable folding elements 57, 58 are arranged. The folding station 55 is followed by a sealing device 60 with a sealing jaw 61 for sealing the bottom closure 3 of the bag pack 1. The sealing device 60 is adjoined by a pressing station 65 with a pressure plate 66 which presses against the end face 53 of the holding device 13 the bottom closure 3 folded down against the end face 53 of the holding device 13.

Weiterhin dient das Transportrad 12 auch dem Aufbringen des Ausgusses 78. Hierzu ist eine Siegeleinheit 86 oberhalb des Transportrades 12 angeordnet. Dieser Siegeleinheit 86 werden die zu befestigenden Ausgüsse 78 über eine Zuführung 84 zugeführt. Die Zuführung 84 kann beispielsweise als Rinne ausgeführt sein, in der die Ausgüsse 78 unmittelbar aufeinanderfolgend angeordnet sind. Die Siegeleinheit 86 übernimmt den zugeführten Ausguss 78. Die Siegeleinheit 86 reaktiviert den Heißkleber 80 des Leimauftrags 82. Die Siegeleinheit 86 positioniert den Ausguss 78 über den Leimauftrag 82. Die Siegeleinheit 86 übt einen gewissen Druck auf den jeweiligen Ausguss 78 in Richtung zu dem Leimauftrag 82 aus. Dadurch wird der Ausguss 78 mit der Außenseite 90 der Beutelpackung 1 an der Stelle des Leimauftrags 82 verklebt.Furthermore, the transport wheel 12 also serves to apply the spout 78. For this purpose, a sealing unit 86 is arranged above the transport wheel 12. This sealing unit 86 are supplied to the spouts 78 to be fastened via a feed 84. The feeder 84 may be designed, for example, as a channel, in which the spouts 78 are arranged directly one after the other. The sealing unit 86 takes over the supplied spout 78. The sealing unit 86 reactivates the hot-melt adhesive 80 of the glue application 82. The sealing unit 86 positions the spout 78 via the glue application 82 Sealing unit 86 exerts a certain pressure on the respective spout 78 in the direction of the glue application 82. Thereby, the spout 78 is glued to the outside 90 of the bag package 1 at the location of the glue application 82.

An einer Übergabestation 70 werden die soweit ausgebildeten Beutelpackungen 1 aus dem Transportrad 12 entnommen und einer Transporteinrichtung 73 zugeführt, die die Beutelpackungen 1 einer Fülleinrichtung 72 sowie einer Siegeleinrichtung 74 zum Ausbilden eines Kopfverschlusses der Beutelpackung 1 zuführt. Die Transporteinrichtung 73 ist in diesem Ausführungsbeispiel eine Becherkette, welche eine Vielzahl von Bechern 73a aufweist, welche jeweils eine Beutelpackung 1 aufnehmen.At a transfer station 70, the bag packs 1 formed so far are removed from the transport wheel 12 and fed to a transport device 73, which feeds the bag packs 1 to a filling device 72 and a sealing device 74 for forming a head closure of the bag pack 1. The transport device 73 in this exemplary embodiment is a cup chain which has a multiplicity of cups 73a, which each receive a bag pack 1.

Da nun der Auftrag und eine Aktivierung des Leims 80 auf einen Packstoff aus Papier erfolgt anstatt einer bislang üblichen Siegelung einer Folie und sich zudem die Beutelpackungen 1 unterscheiden, sind Modifikationen gegebenenfalls bei der Leimauftragsstation 9 und/oder der Siegeleinrichtung 45, zur Erstellung einer Längsnaht 5 und/oder der Faltstation 55 und/oder der Siegeleinrichtung 60 und/oder der Pressstation 65 und/oder der Siegeleinrichtung 74 zum Ausbilden eines Kopfverschlusses und/oder der Siegeleinheit 86 zur auf Befestigung des Ausgusses 78 notwendig.Since now the order and an activation of the glue 80 on a packaging material made of paper instead of a hitherto conventional sealing of a film and also the bag packages 1 differ, modifications are optionally in the glue application station 9 and / or the sealing device 45, to create a longitudinal seam. 5 and / or the folding station 55 and / or the sealing device 60 and / or the pressing station 65 and / or the sealing device 74 for forming a head closure and / or the sealing unit 86 for fastening the spout 78 necessary.

Als Leim 80 zur Ausbildung von Längsnaht 5 und Quernaht 6 kommt Schmelzklebstoffe, auch Heißklebestoffe, Hotmelt genannt, zum Einsatz. Klebstoffe 80 sind lösungsmittelfreie und bei Raumtemperatur mehr oder weniger feste Produkte, die im heißen Zustand auf die Klebefläche der Packstoffbahn 20 aufgetragen werden und beim Abkühlen eine feste Verbindung herstellen. Die Schmelzpunkte liegen meist im Bereich zwischen 100° und 200° C.As glue 80 for the formation of longitudinal seam 5 and transverse seam 6, hot melt adhesives, also called hot-melt adhesives, are used. Adhesives 80 are solvent-free and more or less solid at room temperature, which are applied to the adhesive surface of the packaging material web 20 when hot and produce a firm bond on cooling. The melting points are usually in the range between 100 ° and 200 ° C.

Als Material für die Packstoffbahn 20 wird Papier verwendet. Hierbei handelt es sich um ein spezielles Papier, auf dem der Leim 80 gute Verbindungseigenschaften aufweist. Das Papier ist hierbei so zu wählen, dass der Leim 80 nicht oder nur wenig einzieht und dennoch eine gute Verbindung bzw. Reaktivierung möglich wird. Dies erfolgt nun durch eine spezielle Ausgestaltung der Siegeleinrichtungen bzw. Siegeleinheit 45, 60, 74, 86 und dient der Reaktivierung des Leims 80, der durch die Leimauftragsstation 9 aufgetragen wurde. Die Siegeleinrichtungen bzw. Siegeleinheit 45, 60, 74, 86 weisen eine im Vergleich zu konventionellen Siegelstationen für Folien niedrigere Temperatur auf, die beispielsweise im Temperaturbereich zwischen 100 °C und 200 °C liegt. Außerdem zeichnen sich die Siegeleinrichtungen bzw. Siegeleinheit 45, 60, 74, 86 durch längere Siegelzeiten aus. Diese bewegen sich beispielsweise in dem Bereich zwischen 150 und 400 ms, besonders bevorzugt 200 ms. Oftmals erfolgt auch ein zweimaliges Siegeln bzw. Reaktivieren, eventuell noch häufiger, insbesondere bei der Erstellung des Bodenverschlusses 3 oder des Kopfverschlusses, welche sich durch eine größere Anzahl von zu siegelnden bzw. zu verbindenden Lagen auszeichnet. Außerdem kommt ein spezielles Siegelprofil zum Einsatz. Bevorzugt handelt es sich hierbei um ineinandergreifende Stege, vorzugsweise um Stege mit speziellen Winkeln sowie mit einer kleineren ebenen Fläche. Die Flächenpressung muss gleichmäßig und im Bereich der Lagensprünge so stark sein, dass es in der Naht zu einer Verdichtung des Packstoffes kommt.The material used for the packaging material web 20 is paper. This is a special paper on which the glue 80 has good bonding properties. The paper should be chosen so that the glue 80 does not or only slightly absorbs and still a good connection or reactivation is possible. This is now done by a special embodiment of the sealing means or sealing unit 45, 60, 74, 86 and serves to reactivate the glue 80 which has been applied by the glue application station 9. The sealing devices or sealing unit 45, 60, 74, 86 have a lower temperature compared to conventional sealing stations for films, which is for example in the temperature range between 100 ° C and 200 ° C. In addition, the sealing devices or sealing unit 45, 60, 74, 86 are characterized by longer sealing times. These move, for example, in the range between 150 and 400 ms, particularly preferably 200 ms. Often there is also a double sealing or reactivation, possibly even more frequently, especially in the preparation of the bottom closure 3 or the head closure, which is characterized by a larger number to be sealed or to be joined layers. In addition, a special sealing profile is used. Preferably, these are intermeshing webs, preferably around webs with special angles and with a smaller flat surface. The surface pressure must be uniform and in the area of the layer jumps so strong that it comes in the seam to a compression of the packaging material.

Als besonders vorteilhaft hat sich das Aufbringen bzw. Aufsprühen von heißsiegelfähigem Leim 80 auf eine endlose, insbesondere aus Papier bestehende Packstoffbahn 20 herausgestellt, aus der anschließend auf einer Dornradmaschine unter Verwendung mehrerer Halteeinrichtungen 13 Beutelpackungen 1 geformt werden, die beispielsweise mit einem Lebensmittel befüllt werden. Hierzu ist es erforderlich, auf die Packstoffbahn 20 im Bereich der die Quernähte 6, 7 (Bodennaht und Kopfnaht) und Längsnähte 5 ausbildenden Abschnitte der Beutelpackung 1 den Leim 80 streifenförmig aufzubringen, so dass ein gewünschtes Auftragsbild ausgebildet wird. Bei der Ausbildung der in Figur 1 gezeigten Beutelpackung 1 wird an einem Randbereich 22,23 der Packstoffbahn 20 ein Streifen aus Leim 80 aufgebracht. Auf der anderen Seite bzw. Randbereich 22, 23 verläuft kein Streifen aus Leim 80. Senkrecht zum Randbereich 22, 23 der Packstoffbahn 20 verläuft ein erster Streifen aus Leim 80, der anschließend die Kopfnaht 7 bildet. Parallel hierzu verläuft in einem geringen Abstand ein weiterer Streifen aus Leim 80, der anschließend die Bodennaht 6 bzw. Quernaht 6 ausbildet. Diese Streifen gehen auf der einen Seite in den randseitigen Streifen für die spätere Längsnaht 5 über. Auf der anderen Seite jedoch enden die Streifen randseitig im wesentlichen beabstandet vom Randbereich 22,23. Dieser Abstand ohne Leim 80 entspricht in etwa der Breite des Streifens für die Längsnaht 5, so dass bei einem späteren Überlappen der beiden Randbereiche 22,23 zum Erstellen der Längsnaht 5 sich keine besonders dicken Leimbereiche an den Kreuzungspunkten zwischen Längsnaht 5 und Quernaht 6, 7 ausbilden.Particularly advantageous is the application or spraying of heat-sealable glue 80 has been found on an endless, in particular consisting of paper packaging material web 20, from which are then formed on a mandrel wheel using a plurality of holding devices 13 bag packages 1, which are filled, for example, with a food. For this purpose, it is necessary to apply the glue 80 in strip form to the packaging material web 20 in the area of the transverse seams 6, 7 (bottom seam and top seam) and longitudinal seams 5 forming sections of the bag pack 1, so that a desired application pattern is formed. In the training of in FIG. 1 1, a strip of glue 80 is applied to an edge region 22, 23 of the packaging material web 20. On the other side or edge region 22, 23 no strip of glue 80 runs. Perpendicular to the edge region 22, 23 of the packaging material web 20 runs a first strip of glue 80, which subsequently forms the top seam 7. Parallel thereto, a further strip of glue 80 runs at a small distance, which subsequently forms the bottom seam 6 or transverse seam 6. These strips go over on one side in the marginal strip for the subsequent longitudinal seam 5. On the other hand, however, the strips end marginally substantially spaced from the edge region 22,23. This distance without glue 80 corresponds approximately to the width of the strip for the longitudinal seam 5, so that in a later overlapping of the two edge regions 22,23 to create the longitudinal seam 5 no form particularly thick glue areas at the crossing points between the longitudinal seam 5 and transverse seam 6, 7.

Der Leim 80 trocknet nach dem Aufbringen auf die Packstoffbahn 20 an, so dass die Packstoffbahn 20 ohne Anhaften durch die nachfolgenden Einrichtungen der Vorrichtung 10 transportiert werden kann. Zum Ausbilden der Quer- bzw. Längsnähte 5-7 wird der angetrocknete Leim 80 durch Wärme wieder aktiviert, so dass die angesprochenen Nähte 5-7 ausgebildet werden können.The glue 80 dries after application to the packaging material web 20, so that the packaging material web 20 can be transported without sticking through the subsequent devices of the device 10. To form the transverse or longitudinal seams 5-7, the dried glue 80 is reactivated by heat, so that the addressed seams 5-7 can be formed.

Alternativ könnte der Ausguss 78 auch auf die flache Bahn des Packstoffmaterials 20 aufgebracht werden. Somit müsste die Zuführung 84 den Ausguss 78 zwischen Leimauftragsstation 9 und Transportrad 12 zuführen. Die Siegeleinheit 86 aktiviert an dieser Stelle den Leimauftrag 82 zur Befestigung des Ausguss 78 an dieser Stelle. Entsprechend führt die Siegeleinheit 86 den Ausguss 78 an die Stelle des Leimauftrags 82 zu.Alternatively, the spout 78 could also be applied to the flat web of packaging material 20. Thus, the feeder 84 would have to deliver the spout 78 between the glue application station 9 and the transport wheel 12. The sealing unit 86 activates at this point the glue application 82 for fixing the spout 78 at this point. Accordingly, the sealing unit 86 feeds the spout 78 to the location of the glue application 82.

In der Fig. 7 ist in vereinfachter Darstellung eine Verpackungsanlage in Form einer vertikalen Schlauchbeutelmaschine 100 dargestellt, die zum Herstellen von Beuteln 1 dient, die mit trockenem Schüttgut, beispielsweise Lebensmittel wie Reis, Hülsenfrüchte, Haferflocken, Süßwaren, Nudeln, Zucker, Mehl o.ä. dient. Die Beutel 1 bestehen insbesondere aus Papier, das in Form einer endlosen Packstoffbahn 20 in Rollenform bevorratet und der Schlauchbeutelmaschine 100 zugeführt wird.In the Fig. 7 is shown in a simplified representation of a packaging system in the form of a vertical tubular bag machine 100, which is used to produce bags 1, with dry bulk, for example, foods such as rice, legumes, oatmeal, confectionery, pasta, sugar, flour o.ä. serves. The bags 1 consist in particular of paper, which is stored in the form of an endless packaging material web 20 in roll form and the tubular bag machine 100 is supplied.

Die Schlauchbeutelmaschine 100 weist im Wesentlichen einen ersten Bereich 101 auf, der eine Vielzahl von Umlenk- bzw. Tänzerrollen 102 zur Führung der Packstoffbahn 20 umfasst, wobei im ersten Bereich 101 die Packstoffbahn 20 u.a. mit einem Leim 80 in Form eines heißsiegelfähigen Schmelzklebers partiell beschichtet wird. Das Beschichten der Packstoffbahn 20 erfolgt für den Bereich jedes Beutels 1 auf der Verpackungsmaterialbahn 2 fortlaufend an den gleichen Stellen, wobei in der Fig. 4 beispielhaft der Zuschnitt eines rechteckförmigen Beutels 1 mit seinen beiden jeweils mit dem Leim 80 versehenen Längsnahtbereichen 3, 4 sowie einen unteren Quernahtbereich 5 und einen oberen Quernahtbereich 6 dargestellt ist. Die Längsnahtbereiche 3, 4 und die Quernahtbereiche 5, 6 bilden das Auftragsbild 8 des Leims 80 auf der Packstoffbahn 20 aus.The tubular bag machine 100 essentially has a first region 101, which comprises a plurality of deflection or dancer rollers 102 for guiding the packaging material web 20, wherein in the first region 101 the packaging material web 20 is partially coated, inter alia, with a glue 80 in the form of a heat-sealable hot melt adhesive , The coating of the packaging material web 20 is carried out for the area of each bag 1 on the packaging material web 2 continuously at the same locations, wherein in the Fig. 4 by way of example, the blank of a rectangular bag 1 with its two longitudinal seam areas 3, 4 provided with the glue 80 as well as a lower transverse seam area 5 and an upper transverse seam area 6 is shown. The longitudinal seam areas 3, 4 and the transverse seam areas 5, 6 form the application pattern 8 of the size 80 on the packaging material web 20.

Das Aufbringen des Leims 80 im Bereich der Längsnahtbereiche 3, 4 und der Quernahtbereiche 5, 6 erfolgt im dargestellten Ausführungsbeispiel mittels einer im ersten Bereich 101 angeordneten Leimauftragsvorrichtung 9, die zwei, in Förderrichtung 7 der Packstoffbahn 20 zumindest zwei Auftragseinrichtungen 111,112 umfasst. Die Auftragseinrichtungen 111,112 sind auf unterschiedlichen Seiten der Verpackungsmaterialbahn 2 angeordnet. Im Bereich der Auftragsvorrichtung 9 kann sowohl eine kontinuierliche Förderung der Packstoffbahn 20 erfolgen als auch eine taktweise Förderung. Auch kann das Aufbringen des Klebstoffs 80 gegen eine freischwebende Packstoffbahn 20 erfolgen, oder eine Packstoffbahn 20, die gegen Rollen o.ä. anliegt. An den Bereich der beiden Auftragseinrichtungen 111,112 kann sich optional eine Einrichtung 15 anschließen, mittels der der auf die Packstoffbahn 20 aufgebrachte Leim 80 zur Verkürzung seiner Trocknungszeit behandelt werden kann, wozu die Einrichtung 15 beispielsweise Kühl- oder Ventilatoreinrichtungen aufweist.The application of the glue 80 in the region of the longitudinal seam areas 3, 4 and the transverse seam areas 5, 6 takes place in the illustrated embodiment by means of a glue application device 9 arranged in the first region 101, which comprises two applicator devices 111, 112 in the conveying direction 7 of the packaging material web 20. The application devices 111, 112 are arranged on different sides of the packaging material web 2. In the field of application device 9, both a continuous promotion of the packaging material web 20 can take place as well as a cyclic promotion. Also, the application of the adhesive 80 can take place against a free-floating packaging material web 20, or a packaging material web 20, or the like against rolls. is applied. Optionally, a device 15 can adjoin the region of the two application devices 111, 112, by means of which the glue 80 applied to the packaging material web 20 can be treated to shorten its drying time, for which purpose the device 15 has, for example, cooling or ventilator devices.

Die die Auftragsbilder 8 aufweisende und getrocknete Packstoffbahn 20 gelangt aus dem ersten Bereich 101 anschließend in einen zweiten Bereich 103 der Schlauchbeutelmaschine 100, der in üblicher Art und Weise eine Formschulter 105, ein Form- und Füllrohr 106, eine Längsnahtsiegeleinrichtung 107 und eine Quernahtsiegel- und Trenneinrichtung 108 aufweist. Mittels der genannten Einrichtungen wird aus der Packstoffbahn 20 zunächst ein Schlauch geformt, dieser anschließend mit einem Lebensmittel gefüllt, und zuletzt einzelne Beutel 1 von dem Schlauch abgetrennt.The application images 8 having and dried packaging material web 20 then passes from the first region 101 into a second region 103 of the tubular bag machine 100, in a conventional manner a forming shoulder 105, a forming and filling tube 106, a longitudinal seam sealing device 107 and a Quernahtsiegel- and Separator 108 has. By means of said devices, a tube is first formed from the packaging material web 20, this then filled with a food, and finally separated individual bag 1 of the hose.

Außerdem ist eine Siegeleinheit 86 im Bereich des Formrohrs 106 vorgesehen. Der Siegeleinheit 86 werden über eine Zuführung 84 Ausgüsse 78 zugeführt. Die Zuführung 84 kann beispielsweise als Rinne ausgeführt sein, in der die ausgesehen 78 unmittelbar aufeinanderfolgend angeordnet sind. Die Siegeleinheit 86 übernimmt den zugeführten Ausguss 78. Die Siegeleinheit 86 reaktiviert den Heißkleber 80 des Leimauftrags 82. Die Siegeleinheit 86 positioniert den Ausguss 78 über den Leimauftrag 82. Die Siegeleinheit 86 übt einen gewissen Druck in Richtung zum Formrohr 106 auf den jeweiligen Ausguss 78 in Richtung aus. Dadurch wird der Ausguss 78 mit der Außenseite 90 der Beutelpackung 1 an der Stelle des Leimauftrags 82 verklebt.In addition, a sealing unit 86 is provided in the region of the forming tube 106. The sealing unit 86 are fed via a feeder 84 spouts 78. The feeder 84 may, for example, be in the form of a channel in which the ones 78 are arranged directly one after the other. The sealing unit 86 takes over the supplied spout 78. The sealing unit 86 reactivates the hot-melt adhesive 80 of the glue application 82. The sealing unit 86 positions the spout 78 via the glue application 82. The sealing unit 86 exerts a certain pressure in the direction of the forming tube 106 on the respective spout 78 Direction out. Thereby, the spout 78 is glued to the outside 90 of the bag package 1 at the location of the glue application 82.

In der Fig. 8 ist ein Ausführungsbeispiel einer Leimauftragsstation 9 dargestellt, bei der über acht nicht dargestellte, individuell ansteuerbare Leimdüsen Leim in ein ortsfest angeordnetes Gehäuse 25 eingeleitet wird. Das Gehäuse 25 wirkt mit einer austauschbaren Maske 26 zusammen, die acht Durchlässe 27a bis 27h aufweist. Über die Dimensionierung bzw. Größe der Durchlässe 27a bis 27h sowie die Dicke der Maske 26 kann Einfluss auf die Leimmenge sowie zu Zuführung in ein Mundstück 28 genommen werden, von dem aus der Leim auf die Packstoffbahn 20 aufgebracht wird.In the Fig. 8 an embodiment of a glue application station 9 is shown in which over eight not shown, individually controllable glue nozzles glue is introduced into a stationarily arranged housing 25. The housing 25 cooperates with a replaceable mask 26 having eight passages 27a to 27h. The dimensioning or size of the passages 27a to 27h and the thickness of the mask 26 can be used to influence the amount of glue and for feeding into a mouthpiece 28, from which the glue is applied to the packaging material web 20.

In Figur 9 ist schematisch die Auftragsvorrichtung 112 zur Erzeugung eines möglichen Leimauftrags 82 an der Außenseite 90 der Packstoffbahn 20 bzw. der Beutelpackung 1 gezeigt. Die Auftragsvorrichtung 112 weist eine Leimdüseneinheit 115 auf. Der Leimauftrag 82 weist beispielsweise die Form eines verpixelten Kreises auf. Hierzu werden einzelne Düsen als Bestandteile der Leimdüseneinheit 115 der Auftragsvorrichtung 112 unter Umständen zeitversetzt zugeschaltet. Diese Düsen können ähnlich aufgebaut sein wie diejenigen der Auftragsvorrichtung 111. Beispielhaft sind acht Düsen angedeutet, über die der Leim 80 aufgetragen werden kann. Die Breite der Auftragsvorrichtung 112 quer zur Förderrichtung 7 der Packstoffbahn 20 ist so gewählt, dass diese die Breite des Leimauftrags 82 sicher überdeckt. Weiterhin müssen die Düsen so voneinander beanstandet sein, dass das gewünschte Muster, das im Wesentlichen der Unterseite des Flansches 76 des Ausgießers 78 entspricht, erzeugt werden kann. Die Schaltzeiten der jeweiligen Düsen werden so gewählt bzw. unterscheiden sich dergestalt, dass sich das gewünschte Muster des Leimauftrags 82 einstellt. So werden diese teilweise zeitversetzt zueinander aktiviert.In FIG. 9 schematically the applicator 112 for generating a possible glue application 82 on the outer side 90 of the packaging material web 20 and the bag package 1 is shown. The application device 112 has a glue nozzle unit 115. The glue application 82 has the form of a pixelated circle, for example. For this purpose, individual nozzles as components of the glue nozzle unit 115 of the application device 112 may be switched on with a time delay. These nozzles can be constructed in a similar way to those of the applicator 111. For example, eight nozzles are indicated, via which the glue 80 can be applied. The width of the application device 112 transversely to the conveying direction 7 of the packaging material web 20 is selected so that it covers the width of the glue application 82 securely. Furthermore, the nozzles must be spaced from each other so that the desired pattern, which corresponds substantially to the bottom of the flange 76 of the spout 78, can be generated. The switching times of the respective nozzles are selected or differ in such a way that the desired pattern of the glue application 82 is established. Thus, these are sometimes activated with a time delay to each other.

Claims (15)

  1. Device (10) for producing bag packs (1) from at least one packaging material web (20), having at least one forming apparatus (13, 106) for forming a bag pack (1) from the packaging material web (20), having at least one sealing apparatus (45, 60, 74) for forming at least one longitudinal and/or transverse seam (5) of the bag pack (1), characterized in that at least one glue application station (9) is provided, by means of which a glue application (82) can be applied to the packaging material web (20) consisting of paper in order to fix at least one spout (78) to the bag pack (1), and in that at least one sealing unit (86) is provided for reactivating, in particular for liquefying, the glue application (82) for fixing the spout (78) to the bag pack (1) .
  2. Device according to Claim 1, characterized in that the glue application station (9) is designed to apply an at least partly annular and/or spout-shaped glue application (82) to the packaging material web (20).
  3. Device according to either of the preceding claims, characterized in that the glue application station (9) has at least two application apparatuses (111, 112), which act on different sides of the packaging material web (20).
  4. Device according to one of the preceding claims, characterized in that at least one feed (84) for at least one spout (78) is provided, in order to supply the spout (78) to the sealing unit (86).
  5. Device according to one of the preceding claims, characterized in that the sealing unit (86) is configured such that it presses against the forming apparatus (13, 106) as it fixes the spout (78) .
  6. Device according to one of the preceding claims, characterized in that the glue application station (9) has a plurality of nozzles that can be controlled independently of one another.
  7. Device according to one of the preceding claims, characterized in that the sealing unit (86) comprises at least one holding apparatus for holding the spout (78).
  8. Device according to one of the preceding claims, characterized in that the sealing unit (86) is designed to be pivotable between the feed (84) and the glue application (82).
  9. Device according to one of the preceding claims, characterized in that the forming unit (13, 106) is a constituent part of a rotary table and/or a tubular bag machine.
  10. Device according to one of the preceding claims, characterized in that the sealing unit (86) for reactivating, in particular for liquefying, the glue (80) performs heating of the applied glue (80) in a temperature range between 100 and 200°C and/or performs heating for a period in a range between 150 and 400 ms, particularly preferably 200 ms.
  11. Method for producing bag packs (1) from at least one packaging material web (20), wherein at least one bag pack (1) is formed from the packaging material web (20) by means of a forming apparatus (13, 106), at least one longitudinal and/or transverse seam (5) of the bag pack (1) being formed, characterized in that at least one glue application (82) onto the packaging material web (20) consisting of paper is performed to fix a spout (78), and in that the spout (78) is applied to the glue application (82).
  12. Method according to the preceding method claim, characterized in that at least one sealing unit (86) for reactivating, in particular for liquefying, the glue (80) performs heating of the applied glue (80) in a temperature range between 100 and 200°C and/or for a period in a range between 150 and 400 ms, particularly preferably 200 ms.
  13. Method according to one of the preceding method claims, characterized in that the spout (78) is supplied, removed by a sealing unit (86) and fed to the glue application (82).
  14. Method according to one of the preceding method claims, characterized in that the glue application (82) is applied to an outer side (90) of the bag pack (1), preferably at least partly annularly and/or in the shape of a spout.
  15. Method according to one of the preceding method claims, characterized in that at least two application apparatuses (111, 112) apply a glue (80) to different sides of the packaging material web (20) .
EP17182966.6A 2016-09-22 2017-07-25 Device and method for producing a bag packaging Active EP3305515B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102016218190.4A DE102016218190A1 (en) 2016-09-22 2016-09-22 Apparatus and method for producing a bag package

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EP3305515A1 EP3305515A1 (en) 2018-04-11
EP3305515B1 true EP3305515B1 (en) 2019-03-27

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EP17182966.6A Active EP3305515B1 (en) 2016-09-22 2017-07-25 Device and method for producing a bag packaging

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EP (1) EP3305515B1 (en)
CN (1) CN107856969B (en)
DE (1) DE102016218190A1 (en)

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CN114801334B (en) * 2022-05-28 2023-09-15 厦门金锐奇工贸有限公司 A rubber coating device for container bag automated production equipment

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DE4117428A1 (en) * 1991-05-28 1992-12-03 H D G Verpackungsmaschinen Gmb Packing machine with heat sealer using recyclable materials - includes applicator supplying reactivatable hot glue
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ITTO20060082U1 (en) * 2006-05-30 2007-11-30 Tetra Laval Holdings & Finance UNIT FOR THE APPLICATION OF OPENING DEVICES ON PACKAGES OF VERSABLE FOOD PRODUCTS
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DE102016218190A1 (en) 2018-03-22
CN107856969B (en) 2021-08-10
EP3305515A1 (en) 2018-04-11
CN107856969A (en) 2018-03-30

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