EP0570733B1 - Dispositif d'enduction pour déposer une couleur d'enduction sur une bande de papier - Google Patents

Dispositif d'enduction pour déposer une couleur d'enduction sur une bande de papier Download PDF

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Publication number
EP0570733B1
EP0570733B1 EP93106868A EP93106868A EP0570733B1 EP 0570733 B1 EP0570733 B1 EP 0570733B1 EP 93106868 A EP93106868 A EP 93106868A EP 93106868 A EP93106868 A EP 93106868A EP 0570733 B1 EP0570733 B1 EP 0570733B1
Authority
EP
European Patent Office
Prior art keywords
coating
zone
application
paper web
colour
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.)
Expired - Lifetime
Application number
EP93106868A
Other languages
German (de)
English (en)
Other versions
EP0570733A1 (fr
Inventor
Rudolf Beisswanger
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.)
JM Voith GmbH
Original Assignee
JM Voith 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 JM Voith GmbH filed Critical JM Voith GmbH
Publication of EP0570733A1 publication Critical patent/EP0570733A1/fr
Application granted granted Critical
Publication of EP0570733B1 publication Critical patent/EP0570733B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
    • D21H23/78—Controlling or regulating not limited to any particular process or apparatus

Definitions

  • the invention relates to an applicator for applying coating color to a paper web, according to the preamble of claim 1. These are both roller applicators and nozzle applicators.
  • Roller applicators of this type are known from DE-A-36 05 409. This device is intended to produce a uniform stroke.
  • the technical requirements for coating devices in general are always the following:
  • the line should be applied evenly to the paper web in every respect, both in the transverse direction (cross profile) and in the longitudinal direction. It is primarily about the weight of the application, but also about other properties such as the outer appearance of the line surface.
  • Another disturbing influence can be the irregular supply of the coating color to the application zone.
  • These irregularities can have various causes, e.g. Manufacturing inaccuracies of the components involved, inadequacies in the construction geometry or the flow geometry, or hydrodynamic flow problems and thus undesirable deviations in the dimensions of the flow channels in which the coating color flows.
  • a third category of interference is in the base paper. As is known, this exhibits fluctuations in the basis weight, the dryness, the roughness and the absorption behavior, namely both across the web width and in the web running direction and thus over time. These influences are particularly difficult to control.
  • doctor devices are located at the end of the customary roller applicators. These include a squeegee, which can be set against the paper web lying on the counter roller, and a squeegee bar, which carries the squeegee.
  • a squeegee which can be set against the paper web lying on the counter roller
  • a squeegee bar which carries the squeegee.
  • DE-A-40 13 322 describes an application head which is used to implement various punctiform or striped application patterns for gluing paper.
  • metering valves are arranged side by side across the width of the frame-like application head.
  • the invention has for its object to design a commissioned work according to the preamble of claim 1 such that the stroke can be produced more uniformly in every respect than has been the case since then.
  • the basic idea of the invention is to influence the line or its properties zone by zone by means which are located at a certain distance from the application zone. These are agents that are used in zones - i.e. on wide sections of the machine - either affect the temperature of the coating color or its consistency or viscosity.
  • a large number of heating elements can be provided, which are arranged distributed over the machine width.
  • the heating elements can either be arranged in the flow channel between the application roller and the guide wall, or inside the (hollow) application roller, or at any other point on the wall of the trough which receives the coating sump.
  • a large number of supply lines can be provided, which - again distributed over the width - can supply thinner to the coating color.
  • Figure 1 shows a side view of a roller applicator.
  • Figure 2 shows a detail from the subject of Figure 1, in the direction of arrow A.
  • Figure 3 shows a second embodiment of a roller applicator, again seen in side view.
  • Figure 4 shows a third embodiment of a roller applicator, again seen in side view.
  • Figure 5 shows a fourth embodiment of a roller applicator, seen in side view.
  • Figure 6 shows a detail of the object of Figure 5, seen in the direction of arrow A.
  • the roller applicator shown in FIG. 1 has an applicator roller 1. This runs in a coating swamp 2, which is contained in a trough 3. A mating roller 4 can also be seen, which is wrapped in a paper web 5. Trough 3 has an overflow edge 6. Via this overflow edge 6, a first overflow stream - opposite to the direction of travel of the paper web 5 - can flow into a first overflow channel 7, from where it is discharged.
  • a nozzle applicator 8 can also be seen. This is connected downstream of the roller applicator. The object is therefore a combined roller-nozzle applicator.
  • a baffle 9 directs a second overflow flow - coming from the nozzle applicator - into a second overflow channel 10.
  • the distribution device initially comprises a conical distribution tube 20 which has an inlet 21 on one end face and an outlet 22 on its other end face.
  • a feed pipe 23 is arranged essentially parallel to the distribution pipe 20. This is connected to the distribution pipe 20 via a plurality of connecting lines 24.
  • the connecting lines 24 each have valves 25.
  • the feed tube 23 borders on the coating sump 2 and is conductively connected to it via outlet bores 26.
  • the design of the distribution device is very crucial in this embodiment.
  • 1 shows in the upper area of the connecting lines 24 electrical heating elements 27 which are assigned to each individual connecting line. These heating elements can be activated separately, so that at least one connecting line or possibly several of these connecting lines 24 can be heated. The heating takes place depending on the result of the measuring device, which is connected downstream of the entire application and which, to put it very generally, detects the quality of the line (line profile measurement).
  • each connecting line 24 is surrounded by a chamber which can be charged with hot water or with steam.
  • the feed tube 23 is designed as a cylindrical or conical tube. It thus simultaneously takes over the function of the distribution tube 20 of the embodiment according to FIGS. 1 and 2.
  • this feed tube 23 is charged with a coating of a "nominal composition" on one end face. The coating color in turn emerges through outlet bores 26 and thus reaches the sump 2, which is contained in trough 3. If necessary, an excess emerges from the other end face of the feed pipe 23, again, if necessary, a valve controlled.
  • the coating tube 23 can be supplied with a coating or diluent of a different composition or consistency or viscosity or temperature than the coating color described in "nominal composition" via a plurality of lines 24 which have valves 25.
  • the feed pipe 23 is fed from the front side. This can of course also be used to influence the line quality in zones and thus to achieve a line profile control.
  • zone regulation is again carried out by means of temperature.
  • the trough 3 is zone by zone, ie seen in the direction of the axis of the application roller 1, possibly heated differently.
  • the heating can be done by electric heating rods, by hot water, by steam, by induction coils 70 or by other means.
  • FIGS. 5 and 6 the idea of steam heating is shown in somewhat more detail.
  • 5 shows a chamber 73 which has a steam connection 71 with a valve 72. It can be seen from the illustration in FIG. 6 that this is a multiplicity of chambers 73.

Claims (6)

  1. Dispositif d'enduction pour appliquer une couleur d'enduction sur une bande de papier comprenant :
    - un organe d'enduction notamment sous la forme d'un cylindre enducteur (1) ou d'une buse (8),
    - un contrecylindre (4) entouré par la bande de papier (5) et qui forme une zone d'enduction avec un organe d'enduction (1, 8),
    caractérisé par
    - une installation de mesure pour mesurer l'épaisseur ou le poids ou les caractéristiques de surface de l'enduction à plusieurs endroits de la largeur de la bande de papier et,
    - sur le chemin d'écoulement de l'arrivée de la couleur d'enduction (21, 23) vers la zone d'enduction, à une certaine distance avant la zone d'enduction, il y a des moyens (27 ; 24, 25 ; 70, 71, 72, 73) pour réguler par zones la température ou la consistance de la couleur d'enduction pour un profil d'enduction régulier sur la largeur de la bande.
  2. Dispositif d'enduction selon la revendication 1,
    caractérisé en ce que
    l'organe d'enduction est un cylindre enducteur (1) qui tourne dans un réservoir de couleur d'enduction (2),
    - une goulotte (3) contient le réservoir (2) et,
    - la goulotte (3) présente une alimentation en couleur d'enduction et une paroi de guidage prévue dans la zone montante du cylindre d'enduction (1), cette paroi de guidage ayant une première arête de débordement (26) à laquelle est reliée une goulotte de débordement (7) pour un premier flux de débordement.
  3. Dispositif d'enduction selon la revendication 1 ou 2,
    caractérisé en ce que
    l'organe enducteur est à la fois un cylindre enducteur (1) et une buse d'enduction (8).
  4. Dispositif d'enduction selon la revendication 3,
    caractérisé en ce que
    le cylindre enducteur (1) est en amont de la buse d'enduction (8).
  5. Dispositif d'enduction selon l'une des revendications 1 à 4,
    caractérisé en ce que
    les moyens en amont de la zone d'enduction se composent d'un grand nombre d'organes chauffants (27 ; 70, 71, 72,73) répartis sur la largeur de la machine.
  6. Dispositif d'enduction selon l'une des revendications 1 à 5,
    caractérisé en ce que
    les moyens en amont de la zone d'enduction se composent d'un grand nombre de conduites d'alimentation (24) réglables pour l'alimentation des milieux, qui influencent la consistance, la viscosité, la température ou la composition de la couleur d'enduction sur sa largeur.
EP93106868A 1992-05-19 1993-04-28 Dispositif d'enduction pour déposer une couleur d'enduction sur une bande de papier Expired - Lifetime EP0570733B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4216447 1992-05-19
DE4216447 1992-05-19

Publications (2)

Publication Number Publication Date
EP0570733A1 EP0570733A1 (fr) 1993-11-24
EP0570733B1 true EP0570733B1 (fr) 1997-08-27

Family

ID=6459190

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93106868A Expired - Lifetime EP0570733B1 (fr) 1992-05-19 1993-04-28 Dispositif d'enduction pour déposer une couleur d'enduction sur une bande de papier

Country Status (7)

Country Link
US (1) US5529629A (fr)
EP (1) EP0570733B1 (fr)
JP (1) JP3245255B2 (fr)
AT (1) ATE157416T1 (fr)
CA (1) CA2096568A1 (fr)
DE (1) DE59307188D1 (fr)
FI (1) FI98748C (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19524702C1 (de) * 1995-07-06 1996-10-24 Voith Sulzer Papiermasch Gmbh Auftragswerk
DE29613313U1 (de) * 1996-08-01 1996-10-02 Voith Sulzer Papiermasch Gmbh Verteilvorrichtung mit Verteilrohr für ein Auftragswerk
DE19637164A1 (de) * 1996-09-12 1998-03-19 Voith Sulzer Papiermasch Gmbh Verfahren und Vorrichtung zum direkten oder indirekten Auftragen eines flüssigen oder pastösen Mediums auf eine laufende Materialbahn
DE19715117A1 (de) * 1997-04-11 1998-10-15 Voith Sulzer Papiermasch Gmbh Vorrichtung und Verfahren zum Auftragen eines flüssigen oder pastösen Mediums auf eine laufende Materialbahn
DE19723458A1 (de) 1997-06-04 1998-12-10 Voith Sulzer Papiermasch Gmbh Vorrichtung und Verfahren zum Auftragen eines flüssigen oder pastösen Mediums auf einen sich vorbeibewegenden Untergrund
DE19734262A1 (de) * 1997-08-07 1999-02-11 Voith Sulzer Papiermasch Gmbh Verfahren zum direkten oder indirekten Auftragen eines flüssigen oder pastösen Mediums auf eine laufende Materialbahn, insbesondere aus Papier oder Karton
DE19801140A1 (de) 1998-01-14 1999-07-15 Voith Sulzer Papiertech Patent Vorrichtung zum direkten oder indirekten Auftrag eines flüssigen bis pastösen Auftragsmediums auf eine laufende Materialbahn sowie Betriebsverfahren für eine solche Vorrichtung
US9073770B2 (en) * 2008-10-28 2015-07-07 Usemco, Inc. Portable high rate anaerobic digester apparatus and method of operation
CN107649329B (zh) * 2017-08-21 2019-07-12 重庆天旗实业有限公司 一种用于柱形包装盒生产用的表面涂胶装置

Citations (2)

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DE3637452A1 (de) * 1986-11-04 1988-05-19 Pagendarm Beschichtungstechnik Vorrichtung zur durchflusssteuerung
US4957770A (en) * 1989-01-27 1990-09-18 Measurex Corporation Coating weight measuring and control apparatus and method

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US3567923A (en) * 1968-04-03 1971-03-02 Hurlectron Inc System for monitoring and controlling the color density of ink during printing
JPS6040904B2 (ja) * 1981-09-30 1985-09-13 日本発条株式会社 反応性混合物の連続塗布装置
DE3203087A1 (de) * 1982-01-30 1983-08-04 Gebrüder Sucker, 4050 Mönchengladbach Verfahren und vorrichtung zum beschichten oder imraegnieren eines bahnfoermig gefuehrten substrates
DE3216731A1 (de) * 1982-05-05 1983-11-10 Hoechst Ag, 6230 Frankfurt Verfahren und vorrichtung zum kontinuierlichen faerben und/oder veredeln von nassen, textilen warenbahnen
DE3330092A1 (de) * 1983-08-20 1985-03-07 Leybold-Heraeus GmbH, 5000 Köln Verfahren zum einstellen der oertlichen verdampfungsleistung an verdampfern in vakuumaufdampfprozessen
JPS61230764A (ja) * 1985-04-05 1986-10-15 Nippon Brunswick Kk ボ−リングレ−ンメンテナンス装置のコンデイシヨニングオイル塗布装置
DE3604409A1 (de) * 1986-02-12 1987-08-13 Helmut Dipl Chem Dr Braun Vorrichtung zur montage von deckenabschlussleisten
DE3605409C3 (de) * 1986-02-20 1996-07-04 Voith Gmbh J M Einrichtung zur Beschichtung laufender Warenbahnen
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JP2558136B2 (ja) * 1988-02-05 1996-11-27 コニカ株式会社 磁気記録媒体の塗布装置
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US4957770A (en) * 1989-01-27 1990-09-18 Measurex Corporation Coating weight measuring and control apparatus and method

Also Published As

Publication number Publication date
JPH067730A (ja) 1994-01-18
EP0570733A1 (fr) 1993-11-24
FI98748B (fi) 1997-04-30
ATE157416T1 (de) 1997-09-15
FI932263A0 (fi) 1993-05-18
CA2096568A1 (fr) 1993-11-20
JP3245255B2 (ja) 2002-01-07
FI98748C (fi) 1997-08-11
FI932263A (fi) 1993-11-20
DE59307188D1 (de) 1997-10-02
US5529629A (en) 1996-06-25

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