EP3241769A1 - Dispositif et procédé de fabrication d'un conditionnement en sachet - Google Patents

Dispositif et procédé de fabrication d'un conditionnement en sachet Download PDF

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Publication number
EP3241769A1
EP3241769A1 EP17158792.6A EP17158792A EP3241769A1 EP 3241769 A1 EP3241769 A1 EP 3241769A1 EP 17158792 A EP17158792 A EP 17158792A EP 3241769 A1 EP3241769 A1 EP 3241769A1
Authority
EP
European Patent Office
Prior art keywords
hot glue
glue
packaging material
seam
bag
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.)
Pending
Application number
EP17158792.6A
Other languages
German (de)
English (en)
Inventor
Christoph Hammer
Ellen Reichmann
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.)
Syntegon Technology 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 EP3241769A1 publication Critical patent/EP3241769A1/fr
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • 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
    • B65B51/10—Applying or generating heat or pressure or combinations thereof
    • B65B51/26—Devices specially adapted for producing transverse or longitudinal seams in webs or tubes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/26—Folding sheets, blanks or webs
    • B31B50/28—Folding sheets, blanks or webs around mandrels, e.g. for forming bottoms
    • B31B50/30—Folding sheets, blanks or webs around mandrels, e.g. for forming bottoms the mandrels moving
    • B31B50/32—Folding sheets, blanks or webs around mandrels, e.g. for forming bottoms the mandrels moving in circular paths
    • 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
    • B31B70/26—Folding sheets, blanks or webs
    • B31B70/28—Folding sheets, blanks or webs around mandrels
    • B31B70/30—Moving mandrels
    • 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
    • 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
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2150/00—Flexible containers made from sheets or blanks, e.g. from flattened tubes
    • B31B2150/001—Flexible containers made from sheets or blanks, e.g. from flattened tubes with square or cross bottom
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2160/00—Shape of flexible containers
    • B31B2160/20—Shape of flexible containers with structural provision for thickness of contents

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 application image having adhesive layer to an endless packaging material web and use of a 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 is known, which has a plurality of, the cross section of the bag packs adapted holding means for each one applied to the holding device blank a first sealing device serves to form a longitudinal sealing seam of the bag packs at overlapping edge regions of the packaging material web.
  • the invention has for its object to further improve a tightness of particular paper bags with high output and good stability. This object is solved by the features of the independent claims.
  • the device according to the invention and the inventive method according to the features of the independent claims have the advantage that in particular dust and insect-proof paper bag while maintaining the merits of a Dornradmaschine such as high output, good stability, good stacking properties of the bag and the aspect of sustainability produced by paper can be.
  • the possibility is created to offer packages of high product safety (for example, insect-proof, reduced manipulation of the packaged product) and the high application rates of some foods, such as flour, sugar, oatmeal, with the ecological packaging paper.
  • the paper bags for these foods are optimized for further packaging throughout the logistics chain.
  • a bag produced on a tubular bag machine can not have such a shape.
  • dust and insect-proof paper bags can be produced by the partial gluing in combination with a sealing station in the mandrel wheel and a sealing station after the bag filling for the top seam.
  • 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, namely hot 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.
  • hot glue By sealing with hot glue, both the bottom and the head of the packaging can be sealed dust-tight.
  • conventional sealing tools from the film industry can be used with appropriate modifications.
  • FIG. 1 the different phases of the production of a bag pack 1 are shown. Towards the front, the area for a bottom closure 3 to be created is shown.
  • a longitudinal seam 5, designed here as a fin seam or lap seam, is produced. This is done as shown in more detail later by creating a seal 2 or reactivation of a hot glue 80, indicated by two arrows, for example, the movement of the associated Represent sealing jaws.
  • a convolution 4 also indicated by an arrow.
  • the longitudinal seam 5 is folded over on one side.
  • the protruding head area 3 is brought into a gable shape.
  • corresponding folding elements set in the middle of the folding 4 from both sides as indicated by corresponding arrows. This is followed by the creation of a transverse seam 6.
  • a seal 2 or reactivation of the hot glue 80 is made, indicated by two arrows, which represent, for example, the movement of the associated sealing jaws.
  • the folding 4 of the protruding transverse seam 6 is down, 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.
  • FIG. 1 described bag package 1, in particular with a bottom closure 3, can be prepared on a device 10 described in more detail below.
  • the device 10 comprises at least one glue application station 9.
  • This glue application station 9 applies a hot glue 80 in a specific glue pattern, which is particularly suitable for producing a dustproof bag package 1, in particular with the bottom closure 3.
  • 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 FIG. 3 shown closer.
  • 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 of 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. 2 shown, spaced to the sub-element 14 position by means of a device, not shown, in the direction of the arrow 16 to the first sub-element 14 moves be 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.
  • 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 to the device 25, in particular by means of a vacuum suction band 35.
  • the device 25 is disposed within the transport tray 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 hot 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 as in the first illustration of FIG FIG. 1 shown against each other, so that the liquid adhesive again 80 connects the two ends to a fin seam or longitudinal seam 5 with 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 pre-mandrel.
  • a vacuum suction belt 48, 49 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 the clockwise direction in the direction of arrow 52 transport wheel 12 is used in addition to the preparation of the longitudinal seam 5 also to fold on a holding device 13 located on the bag blank 26 bottom seal 3 and seal or to activate the applied hot glue 80, and on the other to press the bottom closure 3 against an end face 53 of the holding device 13. This procedure has already been associated with FIG. 1 schematically explained.
  • 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 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 glue 80 As glue for the formation of longitudinal seam 5 and transverse seam 6, hot glue 80, hot-melt adhesives, also hot-melt adhesives, hot glue, called hotmelt, is used.
  • Hot glue 80 are solvent-free and at room temperature more or less solid products that are applied to the adhesive surface of the packaging material web 20 when hot and establish a firm connection on cooling.
  • the melting points are usually in the range between 150 ° and 200 ° C.
  • the material used for the packaging material web 20 is paper. This is a special paper on which the hot glue 80 has good bonding properties. The paper should be chosen so that the hot glue 80 does not or only slightly absorbs and still a good connection or reactivation is possible.
  • the sealing devices 45, 60, 74 have a lower temperature compared to conventional sealing stations for films, which is for example in the temperature range between 150 ° C and 200 ° C.
  • the sealing means 45, 60, 74 are characterized by longer sealing times. These move, for example, in the range between 150 and 400 ms, particularly preferably 200 ms.
  • 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.
  • a special sealing profile is used.
  • these are a plurality of webs, preferably around webs with special angles and with a smaller flat surface The surface pressure must be uniform and in the region of the layer jumps so strong that it comes in the seam to a compression of the packaging material.
  • heat-sealable adhesive 80 has been found on an endless, in particular consisting of paper packaging material web 20 from which are then formed on a Dornradmaschine using multiple holding devices 13 bag packages 1, which are filled, for example, with a food.
  • the hot glue 80 in strip form to the packaging material web 20 in the region 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 hot 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 hot glue 80 runs.
  • Perpendicular to the edge region 22, 23 of the packaging material web 20 runs a first strip of hot glue 80, which subsequently forms the top seam 7. Parallel thereto, at a small distance, another strip of hot glue 80, which then forms the bottom seam 6 and the 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 hot 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 for creating the longitudinal seam 5, no particularly thick hot glue areas at the crossing points between the longitudinal seam 5 and transverse seam 6, 7th form.
  • the hot 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 hot glue 80 is reactivated by heat, so that the addressed seams 5-7 can be formed.
  • a glue application station 9 is an in FIG. 3 shown station, in which over several, for example eight not shown, individually controllable adhesive nozzles hot glue 80 is introduced into a stationarily arranged housing 85.
  • the housing 85 cooperates with a replaceable mask 86, which by way of example has eight passages 87a to 87h. On the dimensioning or size of the passages 87a to 87h and the thickness of the mask 86 can influence the amount of adhesive as well as to feed into a Mouthpiece 88 are taken, from which the hot glue 80 is applied to the packaging material web 20.
  • FIG. 4 the sealing device 60 is shown in side view.
  • the sealing jaws 61 are opened and are subsequently closed in the direction of the protruding transverse seam 6.
  • the sealing device 60 activates the glue application for the creation of the transverse seam 6 as well as in FIG. 1 shown.
  • FIG. 5 Now, the closed state of the sealing jaws 61 of the sealing device 60 is shown.
  • Corresponding drive means set the sealing jaws 61 in the desired manner in motion for activating the glue application and pressing the areas to be connected.
  • the sealing device 45 for producing a longitudinal seam 5 is shown in more detail.
  • the corresponding sealing jaws are closed to activate the applied hot glue 80, so that the in FIG. 1 shown longitudinal seam 5 is formed.
  • FIG. 2 shows perspective views of the sealing device 74 for forming the head closure.
  • the head area of the bag pack 1 enters the detection area of the sealing device 74.
  • the head of the bag pack 1 can now either remain upright or be rolled up, as is usual in conventional flour or sugar packages.
  • a corresponding transverse seam or top seam 7 is created in the head region of the bag pack.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Package Closures (AREA)
  • Making Paper Articles (AREA)
EP17158792.6A 2016-04-27 2017-03-02 Dispositif et procédé de fabrication d'un conditionnement en sachet Pending EP3241769A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102016207160.2A DE102016207160A1 (de) 2016-04-27 2016-04-27 Vorrichtung und Verfahren zur Herstellung einer Beutelpackung

Publications (1)

Publication Number Publication Date
EP3241769A1 true EP3241769A1 (fr) 2017-11-08

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP17158792.6A Pending EP3241769A1 (fr) 2016-04-27 2017-03-02 Dispositif et procédé de fabrication d'un conditionnement en sachet

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EP (1) EP3241769A1 (fr)
CN (1) CN107444709A (fr)
DE (1) DE102016207160A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3892554A1 (fr) 2020-04-09 2021-10-13 Syntegon Technology GmbH Dispositif, ainsi que procédé de fabrication de sachets d'emballage à partir d'une bande de matière d'emballage

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1904131A (en) * 1929-12-17 1933-04-18 Firm Fr Hesser Maschinenfabrik Combined machine for making, filling, and closing bags
DE4117428A1 (de) * 1991-05-28 1992-12-03 H D G Verpackungsmaschinen Gmb Verpackungsmaschine mit einer heisssiegeleinrichtung
DE19532120C1 (de) * 1995-08-31 1997-02-27 Bosch Gmbh Robert Vorrichtung zum Herstellen von Beutelpackungen
DE102008041109A1 (de) * 2008-08-07 2010-02-11 Robert Bosch Gmbh Vorrichtung zur Herstellung einer Verpackung
DE102013225051A1 (de) 2013-01-08 2014-07-10 Robert Bosch Gmbh Vorrichtung zum Aufbringen einer ein Auftragsbild aufweisenden Klebstoffschicht auf eine endlose Verpackungsmaterialbahn sowie Verwendung einer Vorrichtung
DE102013216206A1 (de) 2013-08-15 2015-02-19 Robert Bosch Gmbh Vorrichtung und Verfahren zum Herstellen von Beutelpackungen

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2068568A1 (fr) * 1991-05-15 1992-11-16 John M. Adams Machine a empaqueter les cigarettes et appareillage
ITBO20050167A1 (it) * 2005-03-17 2005-06-16 Gd Spa Metodo e dispositivo per il confezionamento di pacchetti per articoli da fumo

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1904131A (en) * 1929-12-17 1933-04-18 Firm Fr Hesser Maschinenfabrik Combined machine for making, filling, and closing bags
DE4117428A1 (de) * 1991-05-28 1992-12-03 H D G Verpackungsmaschinen Gmb Verpackungsmaschine mit einer heisssiegeleinrichtung
DE19532120C1 (de) * 1995-08-31 1997-02-27 Bosch Gmbh Robert Vorrichtung zum Herstellen von Beutelpackungen
DE102008041109A1 (de) * 2008-08-07 2010-02-11 Robert Bosch Gmbh Vorrichtung zur Herstellung einer Verpackung
DE102013225051A1 (de) 2013-01-08 2014-07-10 Robert Bosch Gmbh Vorrichtung zum Aufbringen einer ein Auftragsbild aufweisenden Klebstoffschicht auf eine endlose Verpackungsmaterialbahn sowie Verwendung einer Vorrichtung
DE102013216206A1 (de) 2013-08-15 2015-02-19 Robert Bosch Gmbh Vorrichtung und Verfahren zum Herstellen von Beutelpackungen

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3892554A1 (fr) 2020-04-09 2021-10-13 Syntegon Technology GmbH Dispositif, ainsi que procédé de fabrication de sachets d'emballage à partir d'une bande de matière d'emballage
DE102020110038A1 (de) 2020-04-09 2021-10-14 Syntegon Technology Gmbh Vorrichtung sowie Verfahren zum Herstellen von Beutelpackungen aus einer Packstoffbahn

Also Published As

Publication number Publication date
DE102016207160A1 (de) 2017-11-02
CN107444709A (zh) 2017-12-08

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