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EP2456568B1 - Prévention d'accumulation de matière adhésive de la plaque de buse - Google Patents

Prévention d'accumulation de matière adhésive de la plaque de buse Download PDF

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Publication number
EP2456568B1
EP2456568B1 EP10735004.3A EP10735004A EP2456568B1 EP 2456568 B1 EP2456568 B1 EP 2456568B1 EP 10735004 A EP10735004 A EP 10735004A EP 2456568 B1 EP2456568 B1 EP 2456568B1
Authority
EP
European Patent Office
Prior art keywords
fluid
glue
nozzle plate
nozzle
line
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
EP10735004.3A
Other languages
German (de)
English (en)
Other versions
EP2456568A1 (fr
Inventor
Marco Daher
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
Priority to PL10735004T priority Critical patent/PL2456568T3/pl
Publication of EP2456568A1 publication Critical patent/EP2456568A1/fr
Application granted granted Critical
Publication of EP2456568B1 publication Critical patent/EP2456568B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
    • B05B15/50—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
    • B05B15/50—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter
    • B05B15/55—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter using cleaning fluids
    • 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
    • B05C5/0208—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 for applying liquid or other fluent material to separate articles

Definitions

  • the invention relates to a device for providing workpieces or webs with glue according to the preamble of claim 1 and a method according to the preamble of claim 5.
  • Such a device comprises a nozzle plate, on which the workpieces or the webs can be guided along a transport direction. Most of the workpieces to be glued touch the nozzle plate. These has a first surface, which faces the workpieces to be glued.
  • the nozzle plate comprises one or more glue outlet openings, from which glue emerges, which then adhere to the areas of the workpieces to be glued.
  • glue reservoirs and / or glue lines are provided with which the required glue can be provided.
  • glue valves are provided between the glue reservoirs and / or glue lines and the glue outlet openings.
  • Each glue valve can be assigned a single glue outlet opening or a group of glue outlet openings.
  • the glue flow between the glue reservoirs and / or glue lines and the glue outlet openings can be produced and interrupted.
  • By selective control of the valves so a desired glue format can be applied directly to the workpiece to be bonded.
  • the bringing together of the components to be bonded takes place in the transport direction behind the device just described and will not be described in detail here.
  • the invention is not limited to devices with a nozzle plate.
  • individual nozzles can be fastened to a frame. These can then be arranged on a line which runs transversely to the transport direction of the workpieces. The nozzles can then, in contrast to the nozzle plate, be arranged contactlessly to the workpiece.
  • the first-mentioned patent application shows in its Figure 11 a structure of such a device, but in which the nozzle plate between the first plane or the first surface on which the workpieces or the web are passed, and seen in the transport direction of the workpieces or the web rear, second surface approximately a right angle is provided. As can be seen, the edge between the two surfaces has a chamfer. In principle, however, the first and the second surface can also be arranged at another, arbitrary angle.
  • the publication WO 2004/039505 discloses a device for applying a hot-melt adhesive, wherein at least one fluid outlet opening is provided on or in the nozzle plate. Furthermore, the cited document discloses the generation of a pulsating flow of heated air as a fluid to prevent adhesion of a hot-melt adhesive, but this is not sufficient for the purpose of use in the field of bag making.
  • the object of the present invention is therefore to improve the described device so that the quality of the bags produced therewith is improved.
  • a device which comprises in addition to the preamble features of claim 1 and its characterizing features. Accordingly, in a generic device which comprises at least one fluid outlet opening on or in the nozzle plate, wherein a fluid can be conducted through this fluid outlet opening, wherein the fluid is provided in at least one fluid reservoir and in a suitable manner is directed to the fluid outlet opening and wherein the fluid outlet opening is arranged at the rear end of the nozzle plate, so that the fluid which exits, for example, as a directed fluid jet from the at least one opening, can act directly on the Leimansammlung, provided that with a plurality of valves, a fluid over a Supply line is available, wherein each valve, a fluid via a supply line is available and wherein each valve with a connection to at least one fluid line can be produced, wherein one or more fluid outlet openings with fluid can be supplied with each valve.
  • a Glue collection can be removed very quickly, reliably and easily.
  • the at least one fluid outlet opening can be introduced into the nozzle plate, for example drilled. But it can also be incorporated in a separate component, this component can then be attached to the nozzle plate in a suitable manner familiar to those skilled. But a fluid outlet opening may also be the end of a conduit, such as a hose.
  • At least one fluid line is provided, which connects the fluid outlet opening with a fluid reservoir.
  • This fluid conduit may, for example, comprise one or more holes in the nozzle plate or be in a separate component which may be suitably secured to the nozzle plate.
  • the fluid lines can also comprise further lines, such as tubes or tubes.
  • the fluid reservoir can thus be arranged at a remote location, which offers sufficient space.
  • At least one valve is provided with which the fluid outlet can be controlled or regulated.
  • the at least one valve may accordingly be provided as a simple switching valve or as a control valve.
  • the flow rate can also be adjusted via a controllable pump.
  • a suitable sensor which measures the flow rates, can also be provided.
  • the number of valves can be chosen differently. In view of the costs, it may be advantageous to provide as few valves as possible. If, however, only a portion of the glue valves and glue outlet openings is used more frequently during the gluing of the workpieces, it may be advantageous to provide only cleaning in the region of these glue outlet openings. A higher number of valves would then be provided.
  • the fluid outlet openings can be provided for various formations and arrangements. It is advantageous, when viewed in the transport direction, in each case a fluid outlet opening is arranged in a line behind a glue outlet opening. It is to be expected that the glue accumulates particularly behind a glue outlet opening, so that an arrangement of a fluid outlet opening in this area enables easy cleaning. In another advantageous embodiment of the invention, the fluid outlet openings are arranged offset from the glue outlet openings, so that, for example, the area of two glue outlet openings can be cleaned with a fluid outlet opening.
  • the at least one fluid outlet opening is formed as a gap or slot, which or which extends transversely to the transport direction. This covers such a gap or such a slot several glue outlet openings or even almost the entire width of the nozzle plate.
  • the great advantage of this arrangement is the fact that a homogeneous fluid outlet allows a very effective cleaning.
  • a suitable configuration of the end regions of the fluid line is of course necessary in order to distribute the fluid evenly over the entire gap width.
  • water, water vapor, air or anti-adhesive agents are to be provided as fluids.
  • the device may be operable with one or more of these fluids.
  • an anti-adhesive agent before the start of production or even during production, so as to reduce the adhesion tendency of the glue.
  • antiblocking agents may be, for example, silicone spray or Teflon spray. This procedure is particularly worth mentioning, as this prevents the onset of glue accumulation.
  • the onset of a glue accumulation often acts as a germ on which further glue can easily accumulate.
  • the growth of a glue collection therefore does not run linearly with time or with the number of glued workpieces, but has a greater dependence.
  • a gaseous fluid preferably air
  • a gaseous or a liquid fluid preferably water
  • the Fig. 1 shows a device 1 for providing flat workpieces or webs with glue.
  • glue for example, pieces of hose 2.
  • webs are provided with glue for forming hoses along longitudinal seams.
  • Hose pieces can be provided with glue, for example, on or glue on valve leaflet, inner latch or bottom cover sheets.
  • the latter workpieces may also need to be provided with glue.
  • the bonding of floor flaps can take place (so-called floor bonding). Even in the production of sacks, therefore, there are numerous applications for the device according to the invention.
  • the tube pieces 2 are conveyed by an indicated transport device 3 in the transport direction x, which runs transversely to the main extension direction y of the tube pieces 2, through the device 1.
  • the ends of the tube pieces 2, of which only one is shown, have been raised to form flaps and folded triangular pockets.
  • This wound-up end forms an area that is orthogonal to the main extension direction of the tube piece 2 (direction z).
  • the front of this surface, which is thus facing away from the main part of the hose piece 2, must be freely accessible for gluing with glue. So that during the gluing process the wound end does not yield back, the Back of the surface supported by a counter 5.
  • this counter-5 comprises an endless conveyor belt 6, which rotates about two cylinders 7 and 8, of which at least one is driven.
  • the abutment may also comprise a rotating cylinder or even a fixed baffle.
  • a gluing head 9 On the front of the floors, a gluing head 9 is provided, which ensures the glue application according to the desired format.
  • This gluing head 9 comprises a nozzle plate 10, which can be subdivided into a nozzle body 11 and a pressure plate 12.
  • the two latter elements 11 and 12 are shown separately in the figure, but may also be integrally formed.
  • the conveyor belt 6 facing first surface 13 of the pressure plate 12 may form a small angle with the conveyor belt 6, so that conveyor belt 6 and first surface 13 form an inlet funnel, d. H. the distance between the two surfaces decreases in the transport direction x.
  • the piece of tubing can be pressed against the conveyor belt 6, without being kinked or damaged.
  • the gluing head 9 comprises a plurality of valves 19, to which glue can be supplied from a glue reservoir, not shown, via the feed line 20, this glue being under an overpressure.
  • a glue flow can now be produced, which can be supplied via the glue lines 21 and 22 of the glue outlet opening 23.
  • the direction of the glue flow is indicated by the arrow F.
  • the glue lines 21 and 22 can branch, so that a plurality of glue outlet openings can be loaded with glue via a valve.
  • the glue lines 21, 22 may be introduced as holes in the material.
  • the glue line 22 extends obliquely in Transport direction of the hose pieces 2, where it opens exactly in the edge 15, which connects the surfaces 13 and 15.
  • the gluing head comprises a cleaning device 24.
  • This comprises further valves 25 to which a cleaning fluid is provided via the supply lines 26.
  • a valve 25 can now establish the connection to the fluid lines 27 and 28, so that the fluid can escape from the fluid outlet openings 30.
  • the fluid line 28 is introduced into an extension piece 29, which, however, can also be designed in one piece with the nozzle body 11 and / or the pressure plate 12.
  • the fluid line 28 is oriented so that the outflowing fluid can reach the rear surface 16 and from there flow along the rear surface 18, so that it peels off the glue accumulation.
  • the exit of the fluid from the fluid exit ports 30 may also serve to wet the surfaces 16 and 18 with a fluid having an anti-sticking property so that the tendency of the glue to adhere to the surface 16 and / or 18 is reduced.
  • FIG. 2 shows a part of the FIG. 1 in an enlarged view, but wherein the fluid lines 27 and 28 in comparison with the FIG. 1 are arranged differently. These are not performed in this embodiment by the nozzle body 11, but outside of the nozzle body 11.
  • the fluid lines 27 and 28 may consist of suitable tubes or hoses.
  • FIG. 3 FIG. 1 shows yet again a device 1 for providing flat workpieces or webs with glue, in which, however, the nozzle head is provided with glue in comparison to the device of FIG. 1 different design having.
  • no protrusion is provided with an undercut, so that this nozzle head comprises only a rear surface 16.
  • This surface occupies an angle of approximately 90 degrees with the surface 13.
  • the glue outlet openings 23 are now arranged in the surface 13.
  • the cleaning device 24 is not changed in terms of their design and function.
  • modified cleaning device can with the embodiment according to Fig. 3 be combined.
  • FIG. 4 shows a gluing head 9 according to the FIG. 3 in a perspective view.
  • the glue outlet openings 23 on the surface 13 are now clearly visible.
  • the size of the glue outlet openings is shown exaggerated. In practice, they may be much smaller in relation to the area 13.
  • the number of glue outlet openings 23 may be larger in practice than shown here.
  • the fluid outlet opening is shown in this figure as a slot 31. In the simplest embodiment of this slot can be acted upon via a single valve 25 with a fluid. This embodiment is in the FIG. 4 shown. Nevertheless, a plurality of valves 25 can also be provided, via which the wide slot 31 can be supplied with a fluid.
  • two valves can be provided, one of which can connect a first fluid reservoir, with which a cleaning fluid can be provided, to the wide slot 31, and of which the other can connect a second fluid reservoir, with which an anti-adhesive fluid can be provided, to the wide slot 31.
  • the wide slot 31 may be configured as a nozzle, so as to produce a directed fluid jet, which is directed against the rear surface 16.
  • FIG. 5 shows a further embodiment of the invention.
  • the fluid outlet openings 30 are designed circular, wherein the size and the number of these openings 30 may differ significantly in practice from the drawing.
  • Each valve 25, whose number in the FIG. 5 is arbitrary, may provide one or more openings 30 with fluid.
  • FIG. 6 again shows excerpts from the FIG. 3 , wherein now the flow path of the cleaning fluid is illustrated by short arrows 32.
  • the fluid flow is directed against and deflected by the surface 16 so that the fluid enters the region between the surface 16 and the glue pool 33 and the glue pool 33, which has formed in the region of the tear-off edge 34, disengages from the surface 16 .
  • This cleaning process can be carried out from time to time during a production standstill.
  • such a cleaning process can also be carried out during production, if there is no hose piece 2 in the region of the glue outlet openings 23 or the area of the hose is not critical with regard to small soiling.
  • Such a cleaning can for example be done after passing each piece of tubing, however, larger cleaning intervals may be advantageous.

Landscapes

  • Coating Apparatus (AREA)

Claims (6)

  1. Dispositif (1) destiné à munir de colle des pièces ou des bandes, lequel comprend une plaque à buses (10) devant laquelle on peut faire passer la pièce ou la bande dans une direction de transport (x), et lequel comprend au moins une ouverture de sortie de colle (23),
    plusieurs clapets à colle (19) étant disposés sur ou dans la plaque à buses, avec lesquels un flux de colle peut être établi et interrompu entre au moins un réservoir de colle et/ou au moins une conduite d'amenée de colle (21, 22) et l'ouverture de sortie de colle (23) de telle sorte que la colle peut être appliquée selon un format souhaité sur la surface à encoller de la pièce (2) ou de la bande,
    au moins une ouverture de sortie de fluide (30) étant prévue sur ou dans la plaque à buses (10) à travers laquelle un fluide peut être conduit, au moins une conduite de fluide (28) guidant vers l'ouverture de sortie de fluide (30) au moins au nombre de un,
    la conduite de fluide étant orientée de telle sorte que le fluide peut atteindre une surface arrière (16) de la plaque à buses et
    l'axe de la conduite de fluide (28) au moins au nombre de un faisant avec une surface postérieure (16, 18) de la plaque à buses (10) un angle aigu entre 10 et 80 degrés,
    caractérisé en ce que
    plusieurs clapets (25) sont prévus, un fluide pouvant être mis à la disposition de chaque clapet (25) par le biais d'une conduite d'amenée (26) et, avec chaque clapet (25), un raccordement pouvant être établi avec au moins une conduite de fluide (27, 28), une ou plusieurs ouvertures de sortie de fluide pouvant être alimentées en fluide avec chaque clapet (25).
  2. Dispositif (1) selon la revendication précédente,
    caractérisé en ce
    qu'il est prévu plusieurs ouvertures de sortie de fluide (30) qui, vues dans la direction de transport (x), sont disposées directement derrière les ouvertures de sortie de colle (23) ou de façon décalée par rapport à celles-ci.
  3. Dispositif (1) selon l'une des revendications précédentes,
    caractérisé en ce que
    l'ouverture de sortie de fluide au moins au nombre de un est constituée en tant qu'interstice (31) ou en tant que trou oblong qui s'étend essentiellement transversalement à la direction de transport (x).
  4. Dispositif (1) selon l'une des revendications précédentes,
    caractérisé en ce que,
    en tant que fluide, il est prévu de l'eau, de la vapeur d'eau, de l'air ou un agent antiadhésif.
  5. Dispositif destiné à munir de colle des pièces (2) ou des bandes, dans lequel la pièce ou la bande est amenée à passer devant une plaque à buses (10) dans une direction de transport (x),
    la colle étant conduite sur la pièce ou la bande à travers des ouvertures de sortie de colle (23),
    un flux de colle étant établi ou interrompu entre un réservoir de colle et/ou des conduites d'amenée de colle (21, 22) et des ouvertures de sortie de colle (23) au moyen de clapets à colle (19) qui sont disposés sur ou dans la plaque à buses (10), ce qui fait que la colle est appliquée dans un format souhaité sur la surface à encoller de la pièce (2) ou de la bande,
    un fluide étant conduit vers au moins une paroi extérieure (16, 18) de la plaque à buses (10) à travers au moins une ouverture de sortie de fluide (30), au moins une conduite de fluide (28) conduisant à l'ouverture de sortie de fluide au moins au nombre de un, la conduite de fluide étant orientée de telle sorte que le fluide parvient à une surface arrière (16) de la plaque à buses et
    l'axe de la conduite de fluide (28) au moins au nombre de un faisant avec une surface postérieure (16, 18) de la plaque à buses (10) un angle aigu entre 10 et 80 degrés,
    caractérisé en ce que
    plusieurs clapets (25) sont prévus, un fluide étant mis à la disposition de chaque clapet (25) par le biais d'une conduite d'amenée (26) et, avec chaque clapet (25), un raccordement étant établi avec au moins une conduite de fluide (27, 28), une ou plusieurs ouvertures de sortie de fluide étant alimentées en fluide avec chaque clapet (25).
  6. Procédé selon la revendication précédente,
    caractérisé en ce que,
    avant le début de la production, un fluide ayant des propriétés antiadhésives est conduit à travers les ouvertures de sortie de fluide.
EP10735004.3A 2009-07-24 2010-07-22 Prévention d'accumulation de matière adhésive de la plaque de buse Active EP2456568B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL10735004T PL2456568T3 (pl) 2009-07-24 2010-07-22 Zapobieganie odkładaniu się kleju na płycie dyszowej

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009034687.2A DE102009034687B4 (de) 2009-07-24 2009-07-24 Vorrichtung und Verfahren zum Versehen von Werkstücken oder Bahnen mit Leim
PCT/EP2010/060638 WO2011009913A1 (fr) 2009-07-24 2010-07-22 Prévention des dépôts de colle sur une plaque à buses

Publications (2)

Publication Number Publication Date
EP2456568A1 EP2456568A1 (fr) 2012-05-30
EP2456568B1 true EP2456568B1 (fr) 2018-03-28

Family

ID=42937068

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10735004.3A Active EP2456568B1 (fr) 2009-07-24 2010-07-22 Prévention d'accumulation de matière adhésive de la plaque de buse

Country Status (5)

Country Link
EP (1) EP2456568B1 (fr)
DE (1) DE102009034687B4 (fr)
ES (1) ES2667495T3 (fr)
PL (1) PL2456568T3 (fr)
WO (1) WO2011009913A1 (fr)

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Publication number Priority date Publication date Assignee Title
DE102010024361A1 (de) * 2010-06-18 2011-12-22 Focke & Co. (Gmbh & Co. Kg) Verfahren und Vorrichtung zum Auftragen von Leim auf Zuschnitte
MX369155B (es) 2011-04-11 2019-10-30 Nordson Corp Sistema, boquilla, y método para recubrir hebras elásticas.
US9682392B2 (en) 2012-04-11 2017-06-20 Nordson Corporation Method for applying varying amounts or types of adhesive on an elastic strand
US9034425B2 (en) 2012-04-11 2015-05-19 Nordson Corporation Method and apparatus for applying adhesive on an elastic strand in a personal disposable hygiene product
BE1021501B1 (nl) * 2012-10-16 2015-12-03 Spiegeleire Dirk Andre Marie De Doseerinrichting en werkwijze voor het reinigen van een doseerinrichting

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WO2004039505A1 (fr) * 2002-10-29 2004-05-13 Nordson Corporation Application et dispositif d'application d'un fluide visqueux

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IT995407B (it) * 1972-09-22 1975-11-10 Comalco Prod Pty Ltd Complesso per la pulitura di ugelli di spruzzatura mediante un solvente
JPS6356632U (fr) * 1986-09-30 1988-04-15
WO1989004727A1 (fr) * 1987-11-16 1989-06-01 Nordson Corporation Procede et appareil empechant la formation de depots sur un ajutage
DE29509108U1 (de) * 1995-06-02 1996-09-26 Brust-Theiß, Martin, 40668 Meerbusch Beheizbarer Auftragskopf für den kontaktlosen Klebstoffflächenauftrag
DE10242732A1 (de) 2002-09-13 2004-03-25 Windmöller & Hölscher Kg Bedienungsstation und ein Bedienverfahren für einen Kreuzbodenleger
DE10327646B4 (de) 2002-09-13 2007-07-12 Windmöller & Hölscher Kg Vorrichtung zur Bildung eines Leimprofils für Kreuzbodensäcke
DE10309893B4 (de) 2002-09-13 2019-05-23 Windmöller & Hölscher Kg Bodenlegevorrichtung für Papiersäcke sowie Verfahren zum Betrieb einer Bodenlegevorrichtung
DE10330750B4 (de) 2003-07-07 2005-09-15 Windmöller & Hölscher Kg Bodenlegevorrichtung für Papiersäcke
DE10330751A1 (de) 2003-07-07 2005-02-10 Windmöller & Hölscher Kg Bodenlegevorrichtung für Papiersäcke
DE10337768A1 (de) * 2003-08-14 2005-03-17 Nordson Corporation, Westlake Düsen- und Filteranordnung sowie System zum Auftragen von Fluid mit festen Partikeln auf ein Substrat
US7886989B2 (en) * 2003-11-04 2011-02-15 Nordson Corporation Liquid material dispensing apparatus and method utilizing pulsed pressurized air
US8074902B2 (en) * 2008-04-14 2011-12-13 Nordson Corporation Nozzle and method for dispensing random pattern of adhesive filaments

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WO2004039505A1 (fr) * 2002-10-29 2004-05-13 Nordson Corporation Application et dispositif d'application d'un fluide visqueux

Also Published As

Publication number Publication date
PL2456568T3 (pl) 2018-09-28
EP2456568A1 (fr) 2012-05-30
DE102009034687B4 (de) 2017-03-30
WO2011009913A1 (fr) 2011-01-27
ES2667495T3 (es) 2018-05-11
DE102009034687A1 (de) 2011-01-27

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