EP0235166A1 - Dispositif pour l'application d'un liquide sur un materiau en bande. - Google Patents

Dispositif pour l'application d'un liquide sur un materiau en bande.

Info

Publication number
EP0235166A1
EP0235166A1 EP86904071A EP86904071A EP0235166A1 EP 0235166 A1 EP0235166 A1 EP 0235166A1 EP 86904071 A EP86904071 A EP 86904071A EP 86904071 A EP86904071 A EP 86904071A EP 0235166 A1 EP0235166 A1 EP 0235166A1
Authority
EP
European Patent Office
Prior art keywords
roller
distributor
liquid
application roller
application
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
EP86904071A
Other languages
German (de)
English (en)
Other versions
EP0235166B1 (fr
Inventor
Walter Lohse
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.)
Ulrich Steinemann AG
Original Assignee
Ulrich Steinemann AG
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 Ulrich Steinemann AG filed Critical Ulrich Steinemann AG
Publication of EP0235166A1 publication Critical patent/EP0235166A1/fr
Application granted granted Critical
Publication of EP0235166B1 publication Critical patent/EP0235166B1/fr
Expired 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
    • D06B1/10—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating by contact with a member carrying the treating material
    • D06B1/14—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating by contact with a member carrying the treating material with a roller
    • D06B1/143—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating by contact with a member carrying the treating material with a roller where elements are used to mitigate the quantities of treating material on the roller and on the textile material

Definitions

  • the invention relates to a device for applying a liquid to a material web according to the preamble of claim 1.
  • Such devices are used, for example, on roll coating machines for coating paper or cardboard.
  • the possibly pretreated, printed or unprinted material web is guided past the application roller, which applies a lacquer film to the material web.
  • the coated web of material is then fed to a dryer which e.g. depending on the nature of the lacquer, the coating hardens or dries by UV polymerization or by infrared radiation.
  • Known roll coating machines can apply the coating film in the same direction or in the opposite direction to the material web.
  • the machine must be changed over: in the case of a synchronous coating, the reservoir zone is arranged in the feed direction before the material web enters the application roller, while the metering roller or the reservoir zone is arranged in a counter-rotating coating is arranged in the feed direction (the material web) behind the application roller.
  • the paint film leaves the reservoir zone with the liquid to be applied through a thin gap which is formed between the metering roller and the application roller.
  • either a second metering roller must be fed against the application roller and the first metering roller must be disengaged, or separate storage be provided for the metering roller in both operating modes, which then requires a conversion of the coating system.
  • the supply of the liquid or the lacquer to be applied either to both metering rollers or their changeover in different operating modes poses particular problems.
  • the changeover is also very complex since the rollers first have to be cleaned, for which purpose the liquid still in the reservoir zone has to be removed. The changeover requires time and personnel.
  • this object is achieved by a device which has the features of claim 1. Maintaining the metering roller on one side of the application roller and arranging the additional distributor roller, which can be coupled or uncoupled, makes it possible in the simplest way to coat only with one metering roller in the same direction and in the opposite direction. In the case of the synchronous coating, the additional distributor roller is disengaged and swiveled away and has no function in itself. The coating is carried out in a manner known per se, in that the liquid film is discharged downward from the reservoir zone through the gap between the metering roller and application roller and is applied in synchronization with the web feed.
  • the distributor roller is particularly advantageously deliverable to the upper half of the application roller approximately in the region of the apex of the application roller. In this way, excess liquid which accumulates in front of the gap between the distributor roller and applicator roller can flow back into the reservoir zone.
  • the distributor roller can preferably be driven in the opposite direction to the application roller, so that an optimal distribution of the liquid film takes place.
  • the distributor roller can preferably be driven by a gear which can be coupled to the axis of the application roller. This ensures that the distributor roller always has the correct direction of rotation in counter-rotating operation.
  • the gear unit and the distributor roller preferably form a unit which can be displaced against the application roller or away from it by means of an infeed device. In this way, in synchronous operation, in which the distributor roller has no function, there is no need to drive gear parts unnecessarily.
  • the infeed has at least one toothed rack which meshes with a toothed wheel on the displaceable unit in such a way that the latter can be removed by rotating the toothed wheel
  • the gear unit can be adjusted 4 with the distributor roller without effort and coupled effortlessly.
  • FIG. 2 shows a known device in counter-rotating operation
  • FIG. 3 shows a device according to the invention in synchronous operation
  • FIG. 4 shows a device according to the invention in counter-rotating operation
  • Figure 5 is a side view of an inventive
  • FIG. 6 shows a simplified top view of the delivery device.
  • Figures 1 and 2 show the operation of a device known per se.
  • An application roller 2 can be driven in both directions of rotation C and D.
  • the material web 3 is always advanced in the direction of arrow A and pressed by the counter-pressure roller 12, which rotates in the direction of arrow B in synchronism with the material web 3.
  • a metering roller 4 is arranged, which can be set in the direction of the arrow H.
  • the metering roller 4 forms, together with the application roller 2, a reservoir zone 5 for the liquid to be applied.
  • a liquid film 1 is drawn off from this reservoir zone through the gap between the application roller 2 and the metering roller 4 and transferred to the material web 3.
  • the liquid which adheres to the metering roller 4 is stripped off with a doctor blade 11.
  • the metering roller 4 is now removed and in the feed direction after the application roller 2 reinstalled at prepared storage locations. In this position, too, the metering roller 4 can be advanced in the direction of arrow H. However, the application roller 2 now rotates in the direction of the arrow D in the opposite direction to the feed of the material web 3. The liquid film is not pressed onto the material web, but is scraped off on the surface of the material web. Before the metering roller 4 can be changed, it is evident that the liquid in the reservoir zone 5 must first be drained off and a new liquid supply must be connected in the counter-running position.
  • FIGS. 3 and 4 The device according to the invention is shown in FIGS. 3 and 4.
  • Figure 3 the arrangement of the rollers and the directions of rotation are the same as in Figure 1.
  • the mode of operation is also unchanged.
  • a distributor roller 6 is provided, which can be set in the direction of arrow G and remains in the waiting position during synchronous operation.
  • the distributor roller 6, as shown in FIG. 4 is delivered to the application roller 2. With the infeed there is a coupling to the drive device of the rollers. At the same time, the metering roller 4 is fed as close as necessary to the application roller 2 so that the desired amount of lacquer is conveyed through the gap.
  • the direction of rotation of the application roller is again changed for the counter-rotating operation.
  • the liquid film 1 is discharged from the same reservoir zone 5 as in synchronous operation, but does not leave the reservoir zone downwards through the gap between the application roller and the metering roller, but rather upwards against the apex of the application roller 2.
  • section 14 between the dosing roller 4 and the distributor roller 6, the layer thickness of the liquid film is relatively uncontrolled. A distribution of the liquid and an adjustment of the film thickness takes place, however, through the distributor roller 6, which now takes on a function similar to that of the metering roller 4 in the exemplary embodiment according to FIG The amount of liquid can flow back into the reservoir zone 5 under the influence of gravity.
  • the distributor roller 6 rotates in the direction of arrow I counter to the applicator roller 2 and is also provided with a doctor blade 11.
  • FIG. 5 schematically shows, for example, a gear arrangement with which the distributor roller 6 can be driven.
  • the gear 7 is driven by the axis 8 of the applicator roller 2, on which a drive gear 16 is arranged.
  • this gear meshes with the gear 17, the axis of which drives a toothed belt 18.
  • the rotational movement is finally transmitted to the distributor roller 6 via further gear wheels 19.
  • the entire transmission 7 forms, together with the distributor roller 6, a displaceable unit 20 which can be displaced along the toothed rack 13 in the direction of arrow G.
  • the unit 20 can, for example, have side walls 21, which at the same time carry bearing points for the different gear parts.
  • Figure 6 shows, for example, two racks 13 which are arranged in the direction of displacement G.
  • the distributor roller 6 is mounted between the two parallel side walls 21 and 21 * of the unit 20.
  • the two side walls also form a bearing point for the axle 22, which is provided with a turning handle 23 on one side.
  • On the axis 22 are the gears 10 and 10 'are arranged, which mesh with the toothed racks 13 and 13 *.
  • the unit 20 can obviously be moved back and forth along the toothed racks in the direction of the arrow G.
  • the gear 17 of the gear comes out of engagement with the drive gear 16.
  • the unit 20 is moved so far that it does not hinder the work process when the applicator roller is operating in synchronism.
  • the coupling shown in FIG. 6 can also advantageously be carried out analogously to a drive (not shown) of the metering roller 4 instead of to the drive of the application roller 2.
  • This variant would even have the advantage that the metering roller 4 and distributor roller 6 regulate themselves independently of the speed of the application roller 2. In particular, this would allow the thickness of the liquid or lacquer layer transferred to be set completely independently of the speed of the application roller 2.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Coating Apparatus (AREA)

Abstract

Le rouleau applicateur (2) peut être entraîné dans les deux sens de rotation. Pour un recouvrement du matériau en bande (1) en sens opposé au déplacement, un rouleau distributeur (6) est approché du rouleau applicateur. De cette façon, il est possible d'extraire le film liquide (1) de la même zone réservoir (5) que dans le recouvrement dans le sens du déplacement. Cela évite un changement de place du tambour doseur (4), qui reste dans la même position quel que soit le sens de rotation par rapport au sens de déplacement du matériau.
EP86904071A 1985-09-04 1986-07-28 Dispositif pour l'application d'un liquide sur un materiau en bande Expired EP0235166B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH380685 1985-09-04
CH3806/85 1985-09-04

Publications (2)

Publication Number Publication Date
EP0235166A1 true EP0235166A1 (fr) 1987-09-09
EP0235166B1 EP0235166B1 (fr) 1989-12-27

Family

ID=4263850

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86904071A Expired EP0235166B1 (fr) 1985-09-04 1986-07-28 Dispositif pour l'application d'un liquide sur un materiau en bande

Country Status (6)

Country Link
US (1) US4796559A (fr)
EP (1) EP0235166B1 (fr)
JP (1) JPS63500707A (fr)
DE (1) DE3667805D1 (fr)
ES (1) ES2005069A6 (fr)
WO (1) WO1987001401A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3556476A1 (fr) * 2018-04-17 2019-10-23 HOMAG GmbH Dispositif d'application d'un liant ainsi que procédé
EP3556477A1 (fr) * 2018-04-17 2019-10-23 HOMAG GmbH Dispositif d'application d'un liant

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL91664A (en) * 1988-09-28 1993-05-13 Yissum Res Dev Co Ammonium transmembrane gradient system for efficient loading of liposomes with amphipathic drugs and their controlled release
IT1243161B (it) * 1990-11-09 1994-05-24 Cartigliano Off Spa Macchina tamponatrice a rulli per l'impregnazione superficiale di pelli e prodotti similari
JP2813511B2 (ja) * 1992-06-10 1998-10-22 大日本スクリーン製造株式会社 ロールコータによる基板表面への塗液塗布方法
WO1995029768A1 (fr) * 1994-04-28 1995-11-09 Taiyo Steel Co., Ltd. Procede de peinture en continu
ATE216951T1 (de) * 1995-02-01 2002-05-15 3D Systems Inc Schnelles glättungsverfahren für schichtweise hergestellte dreidimensionale gegenstände
JP4102479B2 (ja) * 1998-05-08 2008-06-18 シーメット株式会社 光硬化造形装置
US20040101630A1 (en) * 2000-12-01 2004-05-27 Buecher Udo Wolfgang Method of coating a substrate
US6887343B2 (en) * 2002-12-20 2005-05-03 Fleetguard, Inc. Filter coating, winding, finishing and manufacturing system
US6986812B2 (en) * 2003-09-18 2006-01-17 United States Gypsum Company Slurry feed apparatus for fiber-reinforced structural cementitious panel production
DE202004004527U1 (de) * 2004-03-23 2005-08-18 Eduard Küsters Maschinenfabrik GmbH & Co. KG Vorrichtung zur Behandlung einer textilen Warenbahn
CA2568034A1 (fr) 2004-05-25 2005-12-08 Eduard Kusters Maschinenfabrik Gmbh & Co. Kg Dispositif de revetement a rouleau de polyurethanne pour sous-couche
ITBO20080161A1 (it) * 2008-03-13 2009-09-14 Sorbini Srl Macchina combinata, particolarmente per la verniciatura di lastre di vetro, cristallo o di altre superfici piane in generale.
WO2015060855A1 (fr) * 2013-10-24 2015-04-30 Hewlett-Packard Development Company, L.P. Machine à encrer
JP6984484B2 (ja) * 2018-02-23 2021-12-22 株式会社リコー 塗布装置、液体を吐出する装置
IT201900003795A1 (it) * 2019-03-15 2020-09-15 Laura Reniero Metodo di deposito, uniformazione e regolazione di spessore di una sostanza fluida sulla superficie di elementi laminari flessibili e macchina che utilizza tale metodo
WO2020256825A1 (fr) * 2019-06-18 2020-12-24 Carbon, Inc. Procédé et appareil de fabrication additive pour la production de couronnes dentaires et d'autres objets

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1094615A (fr) * 1955-05-23
US2513394A (en) * 1945-05-24 1950-07-04 Minnesota & Ontario Paper Co Apparatus for coating paper
US2946307A (en) * 1955-12-23 1960-07-26 Champion Paper & Fibre Co Apparatus for coating paper
US3716019A (en) * 1970-11-23 1973-02-13 Inland Steel Co Roller coating system for one side strip coating
US3926148A (en) * 1971-03-05 1975-12-16 Honsel Karl Heinz Application of adhesive to a moving web
US4237816A (en) * 1978-10-31 1980-12-09 Duskin Franchise Co., Ltd. Oil coater for mat
DE2911166C2 (de) * 1979-03-22 1984-09-06 Maschinenfabrik Max Goller, 8676 Schwarzenbach Verfahren und Vorrichtung zum Auftragen geringer Flüssigkeitsmengen auf bahnförmige textile Flächengebilde

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO8701401A1 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3556476A1 (fr) * 2018-04-17 2019-10-23 HOMAG GmbH Dispositif d'application d'un liant ainsi que procédé
EP3556477A1 (fr) * 2018-04-17 2019-10-23 HOMAG GmbH Dispositif d'application d'un liant

Also Published As

Publication number Publication date
US4796559A (en) 1989-01-10
DE3667805D1 (de) 1990-02-01
ES2005069A6 (es) 1989-03-01
EP0235166B1 (fr) 1989-12-27
JPS63500707A (ja) 1988-03-17
WO1987001401A1 (fr) 1987-03-12

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