EP2392452A2 - Dispositif et procédé de production de tuyaux ou de sections de tuyaux - Google Patents

Dispositif et procédé de production de tuyaux ou de sections de tuyaux Download PDF

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Publication number
EP2392452A2
EP2392452A2 EP20110168249 EP11168249A EP2392452A2 EP 2392452 A2 EP2392452 A2 EP 2392452A2 EP 20110168249 EP20110168249 EP 20110168249 EP 11168249 A EP11168249 A EP 11168249A EP 2392452 A2 EP2392452 A2 EP 2392452A2
Authority
EP
European Patent Office
Prior art keywords
glue
valves
web
material web
hose
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP20110168249
Other languages
German (de)
English (en)
Other versions
EP2392452A3 (fr
EP2392452B1 (fr
Inventor
Andreas Lamkemeyer
Achim Seeberger
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Windmoeller and Hoelscher KG
Original Assignee
Windmoeller and Hoelscher KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Windmoeller and Hoelscher KG filed Critical Windmoeller and Hoelscher KG
Publication of EP2392452A2 publication Critical patent/EP2392452A2/fr
Publication of EP2392452A3 publication Critical patent/EP2392452A3/fr
Application granted granted Critical
Publication of EP2392452B1 publication Critical patent/EP2392452B1/fr
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
    • 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
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2150/00—Flexible containers made from sheets or blanks, e.g. from flattened tubes
    • B31B2150/003—Flexible containers made from sheets or blanks, e.g. from flattened tubes made from tubular sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2160/00—Shape of flexible containers
    • B31B2160/10—Shape of flexible containers rectangular and flat, i.e. without structural provision for thickness of contents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B70/00—Making flexible containers, e.g. envelopes or bags
    • B31B70/74—Auxiliary operations
    • B31B70/81—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
    • B31B70/855—Forming valves integral with the containers

Definitions

  • the invention relates to a device for producing hoses or hose sections, from which bags can be produced, wherein the hoses or hose sections comprise at least one material layer, preferably a paper layer, according to the preamble of claim 1.
  • the starting material for sacks preferably paper sacks
  • hoses or hose pieces are then produced from one or more webs by the web being unwound in an unwinding device and then provided with a glue application in an edge region (longitudinal sizing).
  • This purpose is a glue disc.
  • Glue is used here abbreviated and means all sorts of glue.
  • the glue application the two edges of the web in the hose forming device are turned over so that the edges overlap and the glue application connects the overlapping edges.
  • a hose machine and a device for providing at least one edge region with a glue, in which a glue disk is provided, are in the document DE 10 2007 032 401 A1 disclosed.
  • the tube thus formed is usually isolated, which is done either by a smooth cutting knife or in a tear-off, in the Hose pieces are torn off the hose, wherein weakening lines, for example perforations, are introduced into the web before the glueing.
  • the pieces of tubing are now processed into sacks in a separate device.
  • paper sacks consist not only of one but of several layers.
  • building material sacks consist of an outer and an inner layer of paper and an intermediate (plastic) film layer.
  • the individual webs are arranged slightly offset, so that each individual web can be provided with a longitudinal sizing and then each web can be connected to itself.
  • Such bags are sufficiently strong. However, a problem arises when such bags are filled. In the filling process, air is introduced, which must be able to escape from the bag, otherwise it could burst.
  • hoses or hose pieces in the hose machine are provided with air-permeable channels. This is done by providing the individual webs with perforations that are sufficiently small so that only air and no product can escape.
  • needle roller assemblies are used for example in the DE 195 44 330 A1 presented. The individual webs are arranged so that the respective perforations are offset from each other to allow the escape of air, but to prevent the discharge of the bottled product. With single-layer hoses, such a venting perforation is not possible because then the product also emerges.
  • the perforation by needle rollers is very expensive. For one, the structure and thus the selling price of such a device is relatively high. On the other hand, if the perforation is desired to change, either the needles of the roller must be exchanged or the needle roller itself exchanged.
  • the object of the present invention is to propose an apparatus and a method with which the air-permeable channels can be produced in a simpler manner.
  • the object is solved by the preamble of claim 1 and by its characterizing features.
  • the device for providing at least one edge region of each material web with glue comprises glue application valves, wherein each material web is assigned at least two glue application valves.
  • glue valves can now apply a so-called glue bead to the edge area of a material web.
  • the advantage of a glue valve is that it can be switched so that the glue application can be interrupted. There are now broken glue marks. The interruptions form air-permeable channels. Such a glue application was not possible with the previously used glue discs.
  • the at least two glue valves which are associated with a material web, can be supplied with feed via supply lines.
  • these glue valves two different types of glue.
  • At least one valve can be acted upon, for example, with a dispersion adhesive, which dries quickly and thus allows a quick bonding of the edges.
  • At least a second valve can be acted upon, for example with a starch glue. This dries comparatively slowly, but offers a very high strength.
  • each material web is assigned at least one nozzle plate which is associated with at least two glue application valves assigned to this material web.
  • the assembly comprising at least one nozzle plate and optionally the glue valves, is particularly easy to replace.
  • the glue application valves can be attached to a nozzle head, this nozzle head also carries the nozzle plate. This possibility represents an interesting aspect of the invention, since a nozzle plate, starting from each valve, can have a glue outlet opening, wherein the glue outlet openings can occupy a fixed distance transversely to the transport direction of the material web relative to one another. If this distance is to be changed, the nozzle plate can simply be exchanged for this purpose.
  • a further, advantageous embodiment of the invention makes it possible for the at least one nozzle plate to be displaceable relative to the machine frame.
  • the positions of the glue application valves can for example be adapted to the width of the material webs. This is particularly advantageous if the center axes of the material webs, regardless of their width, always remain at the same position.
  • At least two nozzle plates are provided, which are displaceable relative to each other.
  • the displacement direction preferably extends transversely to the transport direction of the material webs.
  • Each material web is assigned a nozzle plate. If the lateral spacing of the edges of the material web is changed, the nozzle plates can also be displaced relative to one another, so that the glue application always takes place close to the edge.
  • the glue exit orifices of the nozzle plates or the glue application valves are directed against the web as it passes over a backing such as a roller.
  • the openings which are particularly prone to contamination, are difficult to access in the glue application position. Therefore, it is provided to store the glue application valves, for example pivotally, in the machine frame. Swinging it into a rinsing and maintenance position facilitates access to glue-bearing components.
  • the glue outlet openings can now be directed onto a collecting trough, which can catch and discharge the contaminated flushing liquid during a flushing process.
  • a service position may additionally be provided, in which, for example, the nozzle plates are interchangeable.
  • a computing and control device which controls the opening and closing operations of the glue application valves. It is particularly advantageous that so the opening and closing times are variable within a later piece of hose. For example, it is possible to dispense with interruptions of the glue traces in the area of the subsequent floors. This measure can increase the strength of the bags.
  • the opening and closing times of the glue application valves can be calculated with the computing and control device from a predeterminable appearance of the air-permeable channels.
  • the appearance of these channels may be the computing and control device over a suitable Data exchange path. Even a direct input, such as a touchscreen display, is conceivable.
  • FIG. 1 shows a schematic side view of a so-called hose machine for the production of hose sections that serve as semi-finished products of the production of sacks.
  • This tube machine consists in the illustrated embodiment of three unillustrated settlement points, in which successively arranged web rolls 1, 2, 3 are supported, of which via guide rollers and unwinding and / or deduction flat webs 4, 5, 6 are deducted.
  • the webs 4 and 6 made of paper and the web 5 made of plastic.
  • perforation cylinders 8, 9, 10 preferably provided with their own drives are mounted in a perforating station 7, whose perforating knives 11 cooperate with counterblade cylinders 8 ', 9', 10 '.
  • the transverse adhesive strips provided the paper webs 5 and 6 with transverse adhesive orders.
  • the transverse adhesive strips 14 of the transverse adhesive cylinders 12, 13 receive their adhesive jobs in the usual way of adhesive application rollers. To bond three webs together, are only two Querklebezylinder necessary. A transverse bonding is usually done so that the individual layers do not move against each other in the manufacture of bags when folding areas of the hose pieces.
  • the paper webs 4, 5, 6 are brought together for their bonding to form a multilayer web 15.
  • longitudinal adhesive rollers 16 configured as glue application disks.
  • Each layer is assigned a Leksskleberolle.
  • the longitudinal adhesive rollers receive their adhesive jobs in the usual way by an adhesive application roller or scoop roller, not shown.
  • a counter-roller 17 is provided, on which the multilayer web 15 is supported when it is provided with the longitudinal adhesive.
  • the prepared in the manner described multilayer web is then folded in a tube forming device 18 to a tube 22, wherein the respective overlap-free edge regions of the individual layers stick together.
  • the tear-off station 19 In the tear-off station 19, individual tube sections 20 are then torn from the tube by the paper tube.
  • the tear-off station is provided with a conventional tear-off, comprising two rollers driven at different peripheral speeds, of which the front forms a retaining roller and the rear a tear-off, with the tearing of the individual sections 20 by a cammed roller 21 in a movable Carrier mounted counter-rollers are pressed against the retaining and Abr complicatwalzen.
  • FIG. 2 now shows a device according to the invention for the production of hoses or hose sections.
  • the longitudinal adhesive discs 16 have been replaced by a device for providing the edge region of each material web with glue.
  • These Glue applicator 30 includes a plurality of glue application valves 31, which release the glue flow to the material webs or can interrupt this glue flow, which will be explained in more detail with reference to the following figures.
  • the glue application valves receive the glue via various feed lines, of which the glue tube 32 is shown, which is fed via a pump with glue from a glue reservoir. Other supply lines are provided, but not shown in detail.
  • the glue application valves 31 are distributed on one or more nozzle plates 33, in which non-visible glue channels, which open into glue outlet openings, are incorporated.
  • the nozzle plate 33 is arranged on a support body 34, which in turn is connected in a suitable manner with the machine frame, not shown.
  • the support body 34 may be arranged on a rod 35 about which it is pivotable.
  • the tilted position is shown by a broken line. In this pivoted-off position, the so-called rinsing position, the glue application valves 31, the glue channels and other glue line components can be flushed through with a suitable cleaning agent, often water.
  • the cleaning agent can be collected and discharged with the tub 36.
  • the support body (not shown) is pivotable even further in a service position, so that components of the glue application device 30 are more accessible. It may be desirable, for example, to exchange the nozzle plates 33 with others in which the distance of the glue outlet openings is changed transversely to the transport direction of the material web.
  • FIG. 3 Now shows the view III - III from the FIG. 2 ,
  • the multilayer material web 15 which consists of the individual material webs 4, 5 and 6.
  • the individual webs are offset from each other in the direction x transverse to the transport direction R, that is, they are each offset in the direction x against each other, so that the edges of the otherwise covered webs are free. This makes it possible to provide the free edges with a longitudinal sizing.
  • Each material web is also provided with transverse perforations 74, 75, 76 which each extend in the direction x and along which the tube is singulated into pieces of tubing.
  • the perforations of the individual material layers are in Direction R shifted from each other.
  • superimposed perforations or smooth cuts which can be generated after the tube formation, are common.
  • Each material web are each assigned two glue valves 31, with which glue tracks of different characteristics can be designed.
  • each glue valve supplies a glue channel 37, which opens into one or more glue outlet openings 38.
  • the material layer 4 has two glue tracks 41 and 42, each comprising glue track sections 43, 45 and interruptions 44 and 46.
  • the glue tracks 41 and 42 may be a fixed distance apart, for example 10, 15 or 20 mm.
  • the glue trace portions 43 and 45 are each the same length and are interrupted by comparatively shorter interruptions 44 and 46.
  • the glue trace portions 45 and the breaks 46 are shifted in the direction R, so that each glue trace portion 43 completely covers an interruption 46 and also overlaps with the glue trace portions 45 adjacent to the break 46.
  • a so-called labyrinth vent can be created in a simple manner, through which the air in the filling or located during filling of the subsequent bag air can escape through which but no or only slightly exiting from the contents.
  • the glue tracks 61, 62 are quite similar to the glue tracks 41 and 42.
  • the length of the glue trace portion 63 corresponds to the length of the break 66 and, conversely, the length of the break 64 corresponds to the length of the glue trace portion 65.
  • the glue tracks 51 and 52 differ markedly from the above-described glue track pairs 41, 42 and 61, 62.
  • the glue track sections 53 and 55 now each have a varying length and not always the same length.
  • the interruptions 54 and 56 are shown as always the same length, but can of course also vary in length. From the glue application valves, the first have Leimspurabête 53 and 55 a comparatively long length. This area can later form the lower part of a bag. Thus, the necessary during filling strength of this section is given. The air can escape through the further upstream interruptions 54 and 56. In the area of the perforation 75, however, the glue line is interrupted, so that after the demolition of hose sections, no glue can escape from the ends thereof and possibly contaminate machine parts.
  • Line 77 shows a possible air flow through the glue tracks.
  • the glue tracks shown are all conceivable embodiments.
  • the number of possible embodiments is of course infinitely great, but they are all within the scope of the present invention.
  • the number of individual material webs is variable, even if only three layers are mentioned on the basis of the figures.
  • the number of glue traces in the FIG. 3 in each situation with two given can be larger.
  • a correspondingly larger number of glue application valves may be provided and / or each glue application valve is assigned a plurality of glue outlet openings.
  • a first glue trace may consist of a fast-setting adhesive, such as a dispersion adhesive
  • a second glue trace may consist of a very strong but slowly setting adhesive, such as starch glue.
  • the glue traces of different types of adhesive also form venting channels.
  • Paper layers could be coated with starch glue and plastic layers with a hot melt adhesive. Even the arrangement of a single sheet of material could play a role in the choice of the type of adhesive.
  • An outer material layer could be provided with a fast-setting adhesive, whereas inner layers of material could be acted upon by a very firm adhesive. In all these cases would have to the individual glue application valves are optionally applied with different types of adhesive, which certainly means a slightly higher installation costs, but technically represents no problem.
  • FIG. 4 shows another aspect of the present invention.
  • a nozzle plate 33 is provided, on which all glue application valves 31 are fixed.
  • the nozzle plate 33 itself is firmly connected to the support body 34.
  • This may for example comprise a carriage, not shown, which runs on a rail which is directed in the direction x.
  • an electric motor 39 is now provided, which is supported on the machine frame and rotatably drives a spindle 40.
  • the spindle 40 is screwed into a threaded bore of the support body, so that their rotational movement opens into a lateral movement of the support body and thus also the glue application valves.
  • nozzle plate 33 and glue application valves 31 can be adapted to the position of the edges of material webs.
  • each individual material web is assigned its own nozzle plate 33, 57, 67.
  • Each nozzle plate carries in this example two glue application valves 31.
  • the nozzle plates are each movable relative to each other, so that the positions of the nozzle plates are adaptable to an optionally changed offset of the webs 4, 5 and 6.

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EP11168249.8A 2010-06-02 2011-05-31 Dispositif et procédé de production de tuyaux ou de sections de tuyaux Active EP2392452B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102010029674 2010-06-02

Publications (3)

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EP2392452A2 true EP2392452A2 (fr) 2011-12-07
EP2392452A3 EP2392452A3 (fr) 2015-06-03
EP2392452B1 EP2392452B1 (fr) 2017-04-19

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EP11168249.8A Active EP2392452B1 (fr) 2010-06-02 2011-05-31 Dispositif et procédé de production de tuyaux ou de sections de tuyaux

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US (1) US8790231B2 (fr)
EP (1) EP2392452B1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110341237A (zh) * 2019-08-03 2019-10-18 广东金玉兰包装机械有限公司 全自动多层纸管制造设备
EP3851271A1 (fr) * 2020-01-14 2021-07-21 Windmöller & Hölscher KG Procédé et dispositif de fabrication de pièces tubulaires individuelles, ainsi que pièces tubulaires et sacs

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015114672A1 (fr) * 2014-01-29 2015-08-06 Futura S.P.A. Équipement et procédé de production de tubes de carton
EP3238931A1 (fr) * 2016-04-29 2017-11-01 Segezha Packaging A/S Procédé d'application d'adhésif

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19544330A1 (de) 1995-11-28 1997-06-05 Windmoeller & Hoelscher Nadelwalzenanordnung mit mehreren Nadelwalzen zur Perforierung einer durchlaufenden Materialbahn
DE102007032401A1 (de) 2007-07-10 2009-01-15 Windmöller & Hölscher Kg Schlauchbildungseinrichtung zum Bilden eines Schlauches aus zumindest einer Materialbahn

Family Cites Families (7)

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Publication number Priority date Publication date Assignee Title
DE869291C (de) * 1942-07-23 1953-03-02 Erich Juenemann Vorrichtung zum Aufbringen von Leimstreifen auf Papierschlaeuche
US6524667B1 (en) * 2000-05-17 2003-02-25 Prescott Paper Products (Usa), Inc. Wet waste compostable bag and method and apparatus for manufacturing same
US20040184680A1 (en) * 2002-06-11 2004-09-23 Dematteis Robert B Flowing bag filling system and bag therefor
DE10224896A1 (de) * 2002-06-04 2003-12-18 Topack Verpacktech Gmbh Verfahren und Vorrichtung zum Reinigen wenigstens einer Leimdüse
ES2321604T3 (es) * 2002-09-13 2009-06-09 WINDMOLLER & HOLSCHER KG Dispositivo para la colocacion de fondos para sacos de papel.
DE10330750B4 (de) * 2003-07-07 2005-09-15 Windmöller & Hölscher Kg Bodenlegevorrichtung für Papiersäcke
US8016734B2 (en) * 2007-03-22 2011-09-13 Nordson Corporation Apparatus and methods for non-contact adhesive dispensing to manufacture bags

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19544330A1 (de) 1995-11-28 1997-06-05 Windmoeller & Hoelscher Nadelwalzenanordnung mit mehreren Nadelwalzen zur Perforierung einer durchlaufenden Materialbahn
DE102007032401A1 (de) 2007-07-10 2009-01-15 Windmöller & Hölscher Kg Schlauchbildungseinrichtung zum Bilden eines Schlauches aus zumindest einer Materialbahn

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110341237A (zh) * 2019-08-03 2019-10-18 广东金玉兰包装机械有限公司 全自动多层纸管制造设备
CN110341237B (zh) * 2019-08-03 2024-03-22 广东金玉兰包装机械有限公司 全自动多层纸管制造设备
EP3851271A1 (fr) * 2020-01-14 2021-07-21 Windmöller & Hölscher KG Procédé et dispositif de fabrication de pièces tubulaires individuelles, ainsi que pièces tubulaires et sacs

Also Published As

Publication number Publication date
EP2392452A3 (fr) 2015-06-03
US8790231B2 (en) 2014-07-29
US20110301007A1 (en) 2011-12-08
EP2392452B1 (fr) 2017-04-19

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