EP1567706A1 - Dispositif d'application d'une couche de liquide sur une bande de materiau avec epaisseur uniforme sur la largeur de travail - Google Patents

Dispositif d'application d'une couche de liquide sur une bande de materiau avec epaisseur uniforme sur la largeur de travail

Info

Publication number
EP1567706A1
EP1567706A1 EP03811782A EP03811782A EP1567706A1 EP 1567706 A1 EP1567706 A1 EP 1567706A1 EP 03811782 A EP03811782 A EP 03811782A EP 03811782 A EP03811782 A EP 03811782A EP 1567706 A1 EP1567706 A1 EP 1567706A1
Authority
EP
European Patent Office
Prior art keywords
liquid
overflow weir
over
guide surface
working width
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
EP03811782A
Other languages
German (de)
English (en)
Other versions
EP1567706B1 (fr
Inventor
Gerold Fleissner
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.)
Truetzschler Nonwovens GmbH
Original Assignee
Fleissner 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 Fleissner GmbH filed Critical Fleissner GmbH
Publication of EP1567706A1 publication Critical patent/EP1567706A1/fr
Application granted granted Critical
Publication of EP1567706B1 publication Critical patent/EP1567706B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • D06B1/00—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating
    • D06B1/04—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating by pouring or allowing to flow on to the surface of the textile material
    • D06B1/06—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating by pouring or allowing to flow on to the surface of the textile material flowing along an inclined surface
    • 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
    • B05C5/007—Slide-hopper coaters, i.e. apparatus in which the liquid or other fluent material flows freely on an inclined surface before contacting the work
    • B05C5/008—Slide-hopper curtain coaters
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S118/00—Coating apparatus
    • Y10S118/04—Curtain coater

Definitions

  • the invention relates to a device for applying a uniformly thick over the working width, laminar flowing liquid layer of large width on a continuously advancing web with a liquid reservoir, which is bounded on the one hand by an obliquely to the horizontal upward and over the working width extending stowage, the an overflow weir follows in the direction of flow of the fluid and a guide surface adjoins the overflow weir, from the lower edge of which the overflowed liquid film drains onto the material web, and which is preferably delimited at a distance from the stowage wall by an opposing stowage wall, the liquid reservoir having a fluid inlet region,
  • a device of this kind is known from EP-A-0 753 357. It is characterized by a uniform application of liquid to the leading web. This applies initially to any amount of a color to be applied. However, it has been found that for larger application quantities, the thickness of the feed pumps must be so great that the overflow weir forms a spoiler edge. The liquid shoots over the overflow weir, a uniform liquid application over the working width of the guide surface is no longer possible. This problem of ever-increasing kinematics versus effective gravity has been found at application rates of between 50 and 200 l / m / min. Of course, this also applies to even higher order quantities.
  • the invention has for its object to further develop an applicator device initially mentioned such that each volume per unit time can be applied evenly distributed over the working width.
  • a flow rate limiting deflection block is assigned at a distance. This ensures that the advancing in the direction of the overflow weir fluid is braked by the Umlenkblock, deflected and thus forced to flow down in a predetermined by the adjustable deflection block thickness of the guide surface.
  • a distribution comb is arranged within the liquid storage space, which is intended to calmingly, comparatively affect the liquid flowing to the overflow weir.
  • the flow area in the layer thickness over the working width limiting Umlenkblock it is expedient to form the free ends of this comb curved so that they extend over the overflow edge to the level of the guide surface.
  • Fig. 2 is the view with the cross section of a disposed within the liquid storage space distribution comb and
  • Fig. 3 the distribution comb in a perspective view.
  • the liquid application device consists of an angle-shaped beam 1, whose 90 ° overflow weir 2 is oriented upwards.
  • the one obliquely upwards to the overflow weir 2 extending leg is the stowage wall 3, which is followed by the overflow weir 2, the guide surface 4.
  • the liquid film to be applied flows uniformly distributed over this guide surface
  • this liquid storage space 8 is initially limited by the stowage wall 3 and the spaced-apart, parallel counter-stowing wall 9 of the liquid-distributing body.
  • the liquid inlet region 10 is arranged. It consists of a plurality of transversely through the sosstechniksverteil stresses 7 extending holes 11, which then have the sosstechnikszuflußö réelleen 12 at the lower end of the liquid storage space 9.
  • a liquid distribution device 13 is arranged, as described in DE 40 26 198 A1.
  • the inflowing liquid volume forced to go the way over the overflow edge 2, it accumulates in front of the flow gap 16 and then flows in the desired thickness with the desired volume evenly across the width of the applicator, via the guide surface 4 on the goods 6.
  • a distribution comb 18 is introduced, the lower mounting rail 19 closes the liquid reservoir 8 down. It is expedient to form the free ends 20 of the distributor comb 18 in an arcuate manner downward, as can be seen from FIGS. 2 and 3. The ends lie with their bow on the overflow weir 2. This arcuate design of the comb ends 21 guides the liquid around the overflow weir 2 and influences the guidance of the application liquid onto the guide surface 4.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Coating Apparatus (AREA)
  • Paper (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Drilling And Boring (AREA)
  • Sewing Machines And Sewing (AREA)

Abstract

Dans des dispositifs d'application de peinture fonctionnant selon le principe de l'infusion, le liquide s'écoulant sur un déversoir de trop-plein est habituellement stocké dans un réservoir de liquide monté en amont. Le liquide s'écoule ensuite sur le déversoir de trop-plein et sur la surface de guidage consécutive. Dans le cas de quantités d'application élevées, de l'ordre de 50 L/m/min et plus, la couche de liquide risque de se détacher de la surface de guidage au niveau du déversoir de trop-plein. Pour remédier à cela, le déversoir de trop-plein est enveloppé sur la largeur de travail à l'aide d'un bloc de déviation réglable en hauteur, s'étendant sous forme d'arête vers le bas, et permettant de déterminer le volume s'écoulant sur la surface de guidage.
EP03811782A 2002-11-22 2003-11-20 Dispositif d'application d'une couche de liquide sur une bande de materiau avec epaisseur uniforme sur la largeur de travail Expired - Lifetime EP1567706B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10254793 2002-11-22
DE10254793A DE10254793A1 (de) 2002-11-22 2002-11-22 Vorrichtung zum Aufbringen einer über die Arbeitsbreite gleichmässig dicken Flüssigkeitsschicht auf eine Warenbahn
PCT/EP2003/050857 WO2004048671A1 (fr) 2002-11-22 2003-11-20 Dispositif d'application d'une couche de liquide sur une bande de materiau avec epaisseur uniforme sur la largeur de travail

Publications (2)

Publication Number Publication Date
EP1567706A1 true EP1567706A1 (fr) 2005-08-31
EP1567706B1 EP1567706B1 (fr) 2006-09-13

Family

ID=32240353

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03811782A Expired - Lifetime EP1567706B1 (fr) 2002-11-22 2003-11-20 Dispositif d'application d'une couche de liquide sur une bande de materiau avec epaisseur uniforme sur la largeur de travail

Country Status (5)

Country Link
US (1) US7390363B2 (fr)
EP (1) EP1567706B1 (fr)
AT (1) ATE339540T1 (fr)
DE (2) DE10254793A1 (fr)
WO (1) WO2004048671A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004035624A1 (de) 2004-07-22 2006-02-09 Fleissner Gmbh Vorrichtung für einen Farbwechsel beim Aufbringen eines über die Arbeitsbreite gleichmässig dünnen Flüssigkeitsfilmes auf eine Warenbahn
DE102005042289A1 (de) * 2005-09-06 2007-03-15 Fleissner Gmbh Vorrichtung zum Aufbringen einer über eine große Arbeitsbreite gleichmäßig dicken Flüssigkeitsschicht auf eine Warenbahn
DE102005042469A1 (de) * 2005-09-07 2007-03-15 Fleissner Gmbh Vorrichtung für einen Farbwechsel beim Aufbringen eines über die Arbeitsbreite gleichmäßig dünnen Flüssigkeitsfilmes auf eine Warenbahn

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3915843C1 (fr) * 1989-05-16 1990-12-06 Eduard Kuesters Maschinenfabrik Gmbh & Co Kg, 4150 Krefeld, De
DE4026198A1 (de) * 1990-08-18 1992-02-27 Vepa Ag Vorrichtung zum aufbringen eines fluessigkeitsfilmes auf eine warenbahn
DE9302905U1 (de) 1993-02-27 1994-06-30 Kuesters Eduard Maschf Vorrichtung zum Aufbringen einer Behandlungsflüssigkeit auf in einer Bahn vorlaufendes Gut
DE19525458A1 (de) * 1995-07-14 1997-01-16 Fleissner Maschf Gmbh Co Vorrichtung zum Aufbringen eines über die Arbeitsbreite gleichmäßig dünnen Flüssigkeitsfilmes auf eine Warenbahn
DE19651576A1 (de) * 1996-12-12 1998-06-18 Fleissner Maschf Gmbh Co Vorrichtung zum Aufbringen eines Flüssigkeitsfilmes auf eine kontinuierlich vorbewegte Warenbahn, Verfahren zur Herstellung eines Farbmusters auf einer Warenbahn und Muster hergestellt nach diesem Verfahren

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2004048671A1 *

Also Published As

Publication number Publication date
WO2004048671A1 (fr) 2004-06-10
US7390363B2 (en) 2008-06-24
EP1567706B1 (fr) 2006-09-13
DE10254793A1 (de) 2004-06-03
DE50305068D1 (de) 2006-10-26
US20060144328A1 (en) 2006-07-06
ATE339540T1 (de) 2006-10-15

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