EP0297268A2 - Dispositif pour appliquer des colles liquides sur un substrat - Google Patents

Dispositif pour appliquer des colles liquides sur un substrat Download PDF

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Publication number
EP0297268A2
EP0297268A2 EP88108052A EP88108052A EP0297268A2 EP 0297268 A2 EP0297268 A2 EP 0297268A2 EP 88108052 A EP88108052 A EP 88108052A EP 88108052 A EP88108052 A EP 88108052A EP 0297268 A2 EP0297268 A2 EP 0297268A2
Authority
EP
European Patent Office
Prior art keywords
plate
substrate
application nozzle
application
doctor blade
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.)
Withdrawn
Application number
EP88108052A
Other languages
German (de)
English (en)
Other versions
EP0297268A3 (fr
Inventor
Henning J. Claassen
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.)
Nordson Corp
Original Assignee
Nordson Corp
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 Nordson Corp filed Critical Nordson Corp
Publication of EP0297268A2 publication Critical patent/EP0297268A2/fr
Publication of EP0297268A3 publication Critical patent/EP0297268A3/fr
Withdrawn legal-status Critical Current

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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
    • B05C5/0254—Coating heads with slot-shaped outlet
    • B05C5/0262—Coating heads with slot-shaped outlet adjustable in width, i.e. having lips movable relative to each other in order to modify the slot width, e.g. to close it
    • 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
    • B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
    • B05C11/10—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
    • D06B11/00—Treatment of selected parts of textile materials, e.g. partial dyeing
    • D06B11/0056—Treatment of selected parts of textile materials, e.g. partial dyeing of fabrics
    • D06B11/0066—Treatment of selected parts of textile materials, e.g. partial dyeing of fabrics by spaced contacts with a member carrying a single treating material

Definitions

  • the invention relates to a device for applying liquid adhesives to a substrate of the type specified in the preamble of claim 1.
  • Such a device can be used both in connection with hot-melt adhesives, also in connection with cold glues, if such adhesives have to be applied to screen-printing rotary cylinders or engraving rollers, but also to flat, for example textile substrates.
  • DE-OS 3 248 889 discloses a device for applying surface coatings to a textile substrate, which has a nozzle-shaped mouth gap of a pressurized, bar-shaped coating head, in front of which a perforated metal cylinder rotates as a template.
  • the coating head contains a cavity and an orifice chamber which is delimited by two sealing lips and is laterally sealed by a profiled rod which is introduced on both end faces and has the same cross section as that of the orifice chamber; the width of the muzzle chamber can be adjusted by changing profile bars of different lengths or by moving the profile bars.
  • the second needle valve is larger than the main valve and is located as a pilot valve in the feed line at a short distance from the main valve, both valves being controllable in an adjustable temporal relationship to one another, so that even at high frequency the application of the adhesive, especially at the beginning and end of Order, done optimally.
  • a device for applying liquid adhesives of the type specified finally emerges from DE-PS 35 49 784 and has a storage container and an application nozzle for the adhesive and a shut-off valve in the line from the storage container to the nozzle, which is designed as a slot nozzle, the Slot extends from a spreading chamber; the adhesive is fed to the spreading chamber through a channel which opens centrally into the chamber and which opens into the chamber at an angle to the direction in which the slot adjoins the chamber; the chamber extends substantially on one side of the slot.
  • the channel opens into the chamber from the other side of the slot.
  • the invention is therefore based on the object of providing a device for applying liquid adhesives of the type specified, in which the disadvantages mentioned above do not occur.
  • a device is to be proposed which can be easily and therefore quickly adapted to different layer thicknesses and / or viscosities of the adhesive.
  • the advantages achieved by the invention are based on the use of a doctor blade integrated in the application nozzle, which can be easily removed and thus replaced by means of a clamping bracket.
  • a doctor blade integrated in the application nozzle, which can be easily removed and thus replaced by means of a clamping bracket.
  • the clamping screw has to be loosened, which according to a preferred embodiment is used to fix the doctor blade by means of a clamping plate connected to it.
  • the new doctor blade is then inserted into the gap between the clamping plate and the opposite wall of the application head and fixed again by tightening the clamping screw.
  • the application nozzle has a beveled, flat surface on its inlet side, which forms an angle with the doctor plate that is less than 90 °; In this way, a kind of storage space for the emerging material is created outside the application nozzle in the space formed by the application nozzle on the one hand and the substrate or the doctor blade on the other.
  • the squeegee plate should run at least flush with the corresponding underside of the application nozzle; According to a preferred embodiment, however, the lower end of the application plate protrudes somewhat beyond the corresponding underside of the application nozzle in order to thereby define the storage space mentioned.
  • the front edge of the squeegee plate must protrude at least 0.5 mm beyond the part of the application nozzle which is located behind the squeegee plate in the application direction, so that a relatively large free space is available there.
  • This application nozzle can be used not only for coating flat substrates, for example textile materials, but also for coating curved substrates, such as printing cylinders, engraving rollers and the like.
  • the application process can be adapted to the shape of the substrate, but also to the layer thickness to be applied and the viscosity of the adhesive, by selecting a suitable doctor blade.
  • a likewise interchangeable mask plate is used in connection with the doctor blade, which is provided with a recess which serves to adjust the coating width but also the amount of adhesive to be dispensed.
  • the application nozzle consists essentially of two relatively thick, plane-parallel plates, as is known from DE-PS 35 41 784, the mask plate is clamped between these two plates, which are held by screws.
  • more than one doctor blade can also be used and fixed using the clamping plate; this enables a gradual reduction in pressure at the doctor edge.
  • the lower edge of the squeegee plate can be rounded and, for example, in Cross-section have semicircular shape.
  • Such a torsion bar can consist of a suitable plastic; good results have been achieved with polytetrafluoroethylene.
  • Such a doctor blade ensures clean, intermittent application of adhesives that are difficult to handle, resulting in a closed application system that only applies a precisely defined amount of adhesive.
  • This system can be combined with any shut-off valve, for example with the shut-off valve, as is known from the earlier patent application P 35 42 903.8.
  • the application nozzle can have the structure known from DE-PS 35 41 784, which offers certain advantages in terms of production technology, which can also be realized in connection with the exchangeable doctor blade or the exchangeable mask plate.
  • the device shown schematically in Fig. 1 shows a melting device 2 for a hot melt adhesive, in which this is melted and collected in a molten state in a basin.
  • a line 4 extends from this basin to an application head 6; the melted hot melt adhesive is transported by means of a pressure pump provided in the device 2 with a correspondingly high pressure.
  • the application head 6 contains a valve device, so that the hot-melt adhesive emerging from the application nozzle 10 located at the bottom of the application head 3 can be applied in precisely defined amounts to the web 8 moving under the application nozzle 10.
  • a line can also be provided from the application head 6 for the return of the hot melt adhesive to the melting device 2.
  • This return line is always necessary if, due to the valve arrangement used for feeding the nozzle 10, the inflow is not simply shut off, but rather the hot-melt adhesive flowing through line 4 is fed back into a return line (not shown) when the valve is switched over to non-application without braking leads to the melting device 2.
  • the application nozzle 10 can have the structure shown in DE-PS 35 41 784, while suitable valve constructions emerge from the earlier patent application P 35 42 903.8.
  • the application nozzle indicated in FIG. 2 by the reference numeral 10 essentially consists of two relatively thick, plane-parallel plates 12 and 14 which are screwed together with their surfaces by means of screws.
  • a screw 16 is shown in FIG. 2.
  • the application nozzle 10 is screwed from below against the application head 6 in a manner not shown in such a way that a feed channel in the application head 6 connects to a bore 18 in the plate 12.
  • This bore 18 is connected via a channel 20 to a spreading chamber 22 which is formed in the end face of the plate 12 facing the plate 14.
  • a mask 24 made of spring steel (see also FIG. 6) is arranged, which serves to determine the coating thickness and the coating width.
  • the mask 24 has a closed surface facing the plate 14 and a recess 25 on its surface facing the plate 12, which extends at least from the spreading chamber 22 to the lower end of the plate 12.
  • the width of this cutout 25 shown in FIG. 6 defines the coating width, while the amount of adhesive entering the cutout 25 of the mask 24 from the spreading chamber 22 and thus the coating thickness can be defined by appropriate selection of the depth of the cutout 25.
  • the mask 24 is simultaneously fixed between the two plates 12, 14; the holes for the passage of the screws 16 are indicated in FIG. 6 by the reference number 23.
  • the end face of the plate 14 facing the plate 12 has a recess in which a doctor blade 26 and a clamping plate 28 are arranged, which is connected to a clamping screw 30.
  • the clamping plate 28 presses the squeegee plate 26 against the mask 24, so that the squeegee plate 26 is fixed in the position shown in FIG. 2, in which its lower end projects somewhat beyond the lower edges of the two plates 12, 14.
  • the doctor blade 26 can be removed and exchanged for another, for example new doctor blade, but also for a doctor blade with different dimensions.
  • a substrate 32 is fed under the application nozzle 10, which is moved in the direction of arrow A.
  • the plate 12 On the inlet side of the application nozzle 10, the plate 12 has a bevelled end face which forms an angle of less than 90 ° with the direction of the doctor plate 26. This creates a storage space for the adhesive emerging from the mask 24 between the substrate 32 on the one hand and the end face of the plate 12 or the doctor blade 26 on the other hand.
  • the lower edge of the squeegee plate 26 can also run flush with the lower edge of the plate 12; According to a preferred embodiment, however, the doctor blade 26, as shown in FIG. 2, protrudes somewhat beyond the lower edge of the plate 12.
  • FIG. 2 shows the coating of a planar, for example textile substrate 32
  • FIG. 3 shows the coating of a screen printing cylinder 34 with openings 36 through the application nozzle 10, which has the same structure as in the embodiment according to FIG. 2. It can be seen that, with unchanged dimensions, substrates with an internal curvature can also be coated.
  • FIG. 4 shows the application nozzle 10 during the coating of an outwardly curved, cylindrical substrate, namely a gravure engraving roller 37 with depressions 38, which are filled with an adhesive.
  • FIG. 5 finally shows a variant of the application nozzle 10, which differs from the previously described variants in that a torsion bar 40 is integrated into the lower edge of the doctor plate 28.
  • This torsion bar 40 which can be freely rotated during the coating, lies on the flat substrate 32 and contributes to an evening of the coating.
  • the torsion bar can be made of metal or a suitable plastic, in particular polytetrafluoroethylene.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Textile Engineering (AREA)
  • Coating Apparatus (AREA)
EP88108052A 1987-06-30 1988-05-19 Dispositif pour appliquer des colles liquides sur un substrat Withdrawn EP0297268A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19873721593 DE3721593A1 (de) 1987-06-30 1987-06-30 Vorrichtung zum auftragen von fluessigen klebstoffen auf ein substrat
DE3721593 1987-06-30

Publications (2)

Publication Number Publication Date
EP0297268A2 true EP0297268A2 (fr) 1989-01-04
EP0297268A3 EP0297268A3 (fr) 1990-03-14

Family

ID=6330594

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88108052A Withdrawn EP0297268A3 (fr) 1987-06-30 1988-05-19 Dispositif pour appliquer des colles liquides sur un substrat

Country Status (4)

Country Link
US (1) US4876982A (fr)
EP (1) EP0297268A3 (fr)
JP (1) JP2608927B2 (fr)
DE (1) DE3721593A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0577136A1 (fr) * 1992-07-03 1994-01-05 FRIZ MASCHINENBAU GmbH Dispositif d'application de colle
DE19853117B4 (de) * 1998-05-20 2010-04-01 Barberan, S.A., Castelldefels Kopfstück zum Auftragen von heißschmelzenden oder aus reaktionsfähigem Polyurethan bestehenden Leimen durch Düsen
CN110052365A (zh) * 2019-05-10 2019-07-26 北京派和科技股份有限公司 一种分体式喷嘴及采用该分体式喷嘴的点胶阀

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US5141778A (en) * 1989-10-12 1992-08-25 Enthone, Incorporated Method of preparing aluminum memory disks having a smooth metal plated finish
JP2740339B2 (ja) * 1990-07-06 1998-04-15 大日精化工業株式会社 インクリボン
JPH04361871A (ja) * 1991-06-06 1992-12-15 Pioneer Electron Corp クリームハンダ塗布用ディスペンサー
CA2109621C (fr) * 1991-06-21 1995-10-31 Dennis Albert Thomas Methode de serti pour la fabrication d'attaches mecaniques reutilisables et systeme d'attache ainsi obtenu
DE9109785U1 (de) * 1991-08-07 1992-09-17 J.M. Voith Gmbh, 7920 Heidenheim Rakelvorrichtung mit Rakelbalken
US5628827A (en) * 1992-09-25 1997-05-13 Minnesota Mining And Manufacturing Company Non-recirculating, die supplied doctored roll coater with solvent addition
US5320037A (en) * 1992-09-28 1994-06-14 Imtran Industries, Inc. Enclosed ink cup for pad-type printing machine
US5325569A (en) * 1992-10-30 1994-07-05 The Procter & Gamble Company Refastenable mechanical fastening system having particular viscosity and rheology characteristics
US5300058A (en) * 1992-12-10 1994-04-05 The Procter & Gamble Company Disposable absorbent article having an improved mechanical fastening system
US5392498A (en) * 1992-12-10 1995-02-28 The Proctor & Gamble Company Non-abrasive skin friendly mechanical fastening system
DE4303357A1 (de) * 1993-02-05 1994-08-11 Hoechst Ag Beschichtungsvorrichtung zum Auftragen dünner Naßfilme
US5639305A (en) * 1994-04-29 1997-06-17 Minnesota Mining And Manufacturing Company Die coating method and apparatus
US5759274A (en) * 1994-04-29 1998-06-02 Minnesota Mining And Manufacturing Company Die coating apparatus with surface covering
US5772766A (en) * 1994-09-09 1998-06-30 Voith Papiermaschinen Gmbh Application unit for the direct or indirect application of a liquid or pasty medium onto a moving material web
DE4432180A1 (de) * 1994-09-09 1996-03-14 Voith Gmbh J M Auftragswerk zum direkten oder indirekten Auftragen eines flüssigen oder pastösen Mediums auf eine laufende Materialbahn
DE4432178A1 (de) * 1994-09-09 1996-03-14 Voith Gmbh J M Auftragswerk zum direkten oder indirekten Auftragen eines flüssigen oder pastösen Mediums auf eine laufende Materialbahn
US5469786A (en) * 1994-10-25 1995-11-28 Imtran Industries, Inc. Enclosed ink cup with improved seal
JP2784899B2 (ja) * 1995-03-14 1998-08-06 井上金属工業株式会社 塗工装置
US6224672B1 (en) * 1998-12-11 2001-05-01 Illinois Tool Works Inc. Quick slip die plate and method of mounting and removing the same
WO2004078361A1 (fr) * 2003-03-04 2004-09-16 Nordson Corporation Composants antiadherents pour dispositif d'application de matiere
KR100648411B1 (ko) * 2003-10-17 2006-11-24 주식회사 디엠에스 유체분사노즐
DE10353916A1 (de) * 2003-11-18 2005-06-09 Wilhelm Schulte Gmbh Verfahren zum Verkleben von Textilien
DE102007056121B3 (de) * 2007-11-15 2008-09-25 Lindauer Dornier Gmbh Breitschlitzdüse und Anlage zum Beschichten mit thermoplastischem Beschichtungsmaterial
US8186296B2 (en) * 2010-05-05 2012-05-29 The Procter & Gamble Company Methods and apparatus for applying adhesives in patterns to an advancing substrate
EP2679112A1 (fr) 2012-06-26 2014-01-01 3M Innovative Properties Company Procédé de fabrication de fixations et toiles de précurseurs, élément de fixation et toile de précurseur
US9295590B2 (en) 2012-11-27 2016-03-29 The Procter & Gamble Company Method and apparatus for applying an elastic material to a moving substrate in a curved path
US9248054B2 (en) 2012-11-27 2016-02-02 The Procter & Gamble Company Methods and apparatus for making elastic laminates
US9265672B2 (en) 2012-11-27 2016-02-23 The Procter & Gamble Company Methods and apparatus for applying adhesives in patterns to an advancing substrate
JP6647169B2 (ja) * 2016-07-27 2020-02-14 富士フイルム株式会社 経皮吸収シートの製造方法
CN109046884A (zh) * 2018-08-31 2018-12-21 燕山大学 一种实验室锂电池极片涂布装置
EP3750637A1 (fr) 2019-03-29 2020-12-16 Airbus Operations GmbH Dispositif pour transfert de laque
EP3722009A1 (fr) 2019-03-29 2020-10-14 Airbus Operations GmbH Dispositif et système
EP3722007A1 (fr) 2019-03-29 2020-10-14 Airbus Operations GmbH Dispositif de transfert de vernis
EP3725539A1 (fr) 2019-03-29 2020-10-21 Airbus Operations GmbH Dispositif de transfert de vernis
EP3733300A1 (fr) 2019-04-11 2020-11-04 Airbus Operations GmbH Dispositif pour transfert de laque
EP3725422A1 (fr) 2019-04-12 2020-10-21 Airbus Operations GmbH Dispositif de transfert de vernis
US11554383B2 (en) 2020-02-17 2023-01-17 Airbus Operations Gmbh System for lacquer transfer

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0577136A1 (fr) * 1992-07-03 1994-01-05 FRIZ MASCHINENBAU GmbH Dispositif d'application de colle
DE19853117B4 (de) * 1998-05-20 2010-04-01 Barberan, S.A., Castelldefels Kopfstück zum Auftragen von heißschmelzenden oder aus reaktionsfähigem Polyurethan bestehenden Leimen durch Düsen
CN110052365A (zh) * 2019-05-10 2019-07-26 北京派和科技股份有限公司 一种分体式喷嘴及采用该分体式喷嘴的点胶阀

Also Published As

Publication number Publication date
JP2608927B2 (ja) 1997-05-14
JPS6430673A (en) 1989-02-01
US4876982A (en) 1989-10-31
DE3721593A1 (de) 1989-01-26
DE3721593C2 (fr) 1991-11-07
EP0297268A3 (fr) 1990-03-14

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