EP0458035A2 - Dispositif pour appliquer une matière de revêtement fluide sur des bandes en déplacement - Google Patents

Dispositif pour appliquer une matière de revêtement fluide sur des bandes en déplacement Download PDF

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Publication number
EP0458035A2
EP0458035A2 EP91104505A EP91104505A EP0458035A2 EP 0458035 A2 EP0458035 A2 EP 0458035A2 EP 91104505 A EP91104505 A EP 91104505A EP 91104505 A EP91104505 A EP 91104505A EP 0458035 A2 EP0458035 A2 EP 0458035A2
Authority
EP
European Patent Office
Prior art keywords
application
roller
web
rollers
counter
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
EP91104505A
Other languages
German (de)
English (en)
Other versions
EP0458035B1 (fr
EP0458035A3 (en
Inventor
Anton Plomer
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 EP0458035A2 publication Critical patent/EP0458035A2/fr
Publication of EP0458035A3 publication Critical patent/EP0458035A3/de
Application granted granted Critical
Publication of EP0458035B1 publication Critical patent/EP0458035B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
    • B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
    • B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
    • B05C1/0826—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line the work being a web or sheets
    • B05C1/083—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line the work being a web or sheets being passed between the coating roller and one or more backing rollers
    • 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
    • D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
    • D21H23/22—Addition to the formed paper
    • D21H23/52—Addition to the formed paper by contacting paper with a device carrying the material
    • D21H23/56—Rolls

Definitions

  • the invention relates to a device according to the preamble of claim 1.
  • a device is known from DE-OS 34 17 487.
  • two press rolls which face each other horizontally, are provided in the between them formed press nip to transfer the coating composition applied to its outer surface to the web.
  • a device that carries an elastic doctor blade holder is used here as the application unit, a roller doctor blade provided with circumferential grooves being used as the doctor element. With this device it is possible to apply very small application quantities with application masses of very low solids content.
  • the order quantities can be 2 to 3 g / m2 per side of the web.
  • the object of the invention is to provide a device in which both application options, that is to say with a doctor blade applicator with sump on the one hand and applicator with a nozzle chamber on the other, are provided with little effort.
  • a certain web guide can also achieve that at most only a small wrap angle of the rollers is required.
  • a large wrap angle could be a major disadvantage if absorbent paper is used.
  • a pivotable support frame is also provided for a deflection roller arranged above the upper roller. Further deflection rollers guide the web into the basement below the operator level of the lower roller in the event that the web does not have to pass through the press nip between the two rollers. This case applies to the coating variant if the nozzle applicator of the lower roller is used.
  • coating slips are applied - generally with a coat weight of more than 7 g / m2.
  • This also makes it possible to provide an additional drying device, for example an infrared dryer, for the side of the material web coated with the coating slip, above the arrangement for coating.
  • a lower counter roller is provided for the web 1 shown in broken lines, to which two applicator units 5 and 6 are assigned.
  • the left application unit has a so-called nozzle chamber 10, which is generally combined with the doctor element 8 and which feeds the application mass directly under superatmospheric pressure to the web.
  • a doctor blade is generally used as the doctor element, and excess coating slip generally flows into a collecting trough, counter to the direction of travel of the material web, via an overflow gap formed on the counter roller 1. Any order quantities above 4 to 5 g / m2 to about 15 g / m2 can thus be applied to each side of the web, preferably made of paper or cardboard.
  • This application unit is therefore located on the side of the counter roller 1 on which the web of the coating station, ie the coating system shown, is preferably fed from the paper machine.
  • the material web is guided over deflection rollers 25 to 28 partially below the foundation 54 forming operator level A - that is, in the basement - so that it thus runs towards the nozzle application unit from the other side.
  • an applicator unit 6 with a doctor blade rod 15 carried by an elastic holder and provided with circumferential grooves.
  • the elastic holder together with the doctor blade rod 15 and the support beam for these two elements form a sump of flowable on the outer surface of the counter roller 1
  • Application mass of a consistency of at most 8%, such as glue.
  • the back of the web is thus coated - ie more or less impregnated, for example for the so-called flat position correction - when the coating slip is applied by the nozzle application device 5 on the other side (front) of the web.
  • a press roller 2 Above the counter roller 1 there is a press roller 2, to which a similar application unit 7 as the second application unit 6 of the (lower) counter roller 1 is assigned.
  • a doctor blade 18 with an elastic holder is provided, which is carried by a doctor bar 17 and forms a sump 19 of application mass on the outer surface of the press roll 2.
  • a roller mill bearing 43 is provided, which enables an adjustment of either the bearing 44 of the press roller 2 or an adjustment of the counter roller 1 in the vertical direction by approximately 1 to 2 cm.
  • the two rollers 1 and 2 when the nozzle applicator 5 is taken out of operation, so that they form a press nip between them. It is then transferred from the sump 16 and 19 of the two applicators 6 and 7 provided on the lateral surfaces of the two rollers to the web. In this case, the web runs according to the dash-dotted line, so does not pass through the basement, but is guided by further deflection rollers 59 and 60 so that it can run directly into the press nip formed by the two rollers.
  • the doctor blades 15 and 18 have fine circumferential grooves for the purpose of precise and uniform metering.
  • the applied solids are up to about 16% for sizing and possibly up to 50% for pigmentation up to 35%.
  • the corresponding area-related application weights are then 2 to 4 gr / m2 or 4 to 7 gr / m2.
  • a deflecting roller 32 provided for the other operating case is also pivoted out of the area of the operator platform, for which purpose it is mounted on a pivoting device 33 which carries the deflecting roller 32 on an arm 34.
  • an additional drying device 45 can be provided for the side of the material web above the coating station, which has the considerably thicker coating of the coating material of the nozzle applicator 5.
  • This drying device can e.g. Have infrared drying elements 48.
  • Another deflection roller 46 then guides the web past the additional drying device.
  • the point of application of the doctor blade 15 of the applicator 6 of the counter-roller 1 is approximately - viewed in the horizontal direction - in the middle of this roller.
  • the position of the elastic holder of the doctor blade 15 changes only slightly in the state when it is pressed against the jacket of the roller.
  • This application does not then have to be adjustable in the vertical direction. Of course, this further simplifies the entire arrangement.
  • a frame 50 placed on the foundation 54 must be provided for holding the nozzle chamber applicator 5 in order to enable the angular position thereof to be adjusted with respect to the counter roller 1 and to be pivoted away therefrom. Adjustment devices 51 and 52 are provided for this.
EP91104505A 1990-05-08 1991-03-22 Dispositif pour appliquer une matière de revêtement fluide sur des bandes en déplacement Expired - Lifetime EP0458035B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4014647A DE4014647C2 (de) 1990-05-08 1990-05-08 Einrichtung zum Auftragen einer Beschichtung auf eine laufende Warenbahn
DE4014647 1990-05-08

Publications (3)

Publication Number Publication Date
EP0458035A2 true EP0458035A2 (fr) 1991-11-27
EP0458035A3 EP0458035A3 (en) 1993-02-03
EP0458035B1 EP0458035B1 (fr) 1994-09-07

Family

ID=6405902

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91104505A Expired - Lifetime EP0458035B1 (fr) 1990-05-08 1991-03-22 Dispositif pour appliquer une matière de revêtement fluide sur des bandes en déplacement

Country Status (10)

Country Link
US (1) US5203920A (fr)
EP (1) EP0458035B1 (fr)
JP (1) JP3089564B2 (fr)
AT (1) ATE111172T1 (fr)
BR (1) BR9101886A (fr)
CA (1) CA2041845A1 (fr)
DE (1) DE4014647C2 (fr)
ES (1) ES2058964T3 (fr)
FI (1) FI106185B (fr)
NO (1) NO911760L (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995016073A1 (fr) * 1993-12-11 1995-06-15 J.M. Voith Gmbh Ensemble de montage pour poste de couchage a un seul contre-rouleau
EP2085516A3 (fr) * 2008-01-28 2010-01-27 Voith Patent GmbH Dispositif d'amélioration des conditions de travail du personnel de service d'un dispositif de brossage

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4211401A1 (de) * 1992-04-04 1993-10-07 Voith Gmbh J M Beschichtungseinrichtung für Bahnen aus Papier oder Karton
DE4218596C2 (de) * 1992-06-05 1996-05-02 Voith Gmbh J M Streicheinrichtung zum indirekten Auftragen von Streichfarbe auf eine Papier- oder Kartonbahn
US6077352A (en) * 1992-09-02 2000-06-20 Consolidated Papers, Inc. Mounting assembly for a single backing roll coating station
DE4341566B4 (de) * 1993-12-07 2005-03-10 Heidelberger Druckmasch Ag Trennmittelschichten zum Oberflächenschutz frisch bedruckter Bogen und Vorrichtung zum Beschichten der frisch bedruckten Bogen mit der Trennmittelschicht
DE4414921C2 (de) * 1994-04-28 1998-03-19 Voith Gmbh J M Verfahren und Vorrichtung zum Auftragen von mindestens einem flüssigen Medium auf eine laufende Materialbahn, insbesondere aus Papier oder Karton
US5573593A (en) * 1995-01-17 1996-11-12 Beloit Technologies, Inc. Coating apparatus for selectively coating either or both sides of a traveling paper web
DE19511050A1 (de) * 1995-03-25 1996-09-26 Voith Sulzer Papiermasch Gmbh Verfahren und Vorrichtung zur Herstellung einer eine CF-Schicht aufweisenden Papierbahn
JPH0975814A (ja) * 1995-09-19 1997-03-25 Fuji Photo Film Co Ltd 塗布装置
US6113986A (en) * 1996-02-01 2000-09-05 Fort James Company Coated base products, apparatus and process for producing same
DE19743246A1 (de) * 1997-09-30 1999-04-01 Voith Sulzer Papiertech Patent Kombinations-Auftragsvorrichtung
DE10212818A1 (de) * 2002-03-22 2003-10-02 Voith Paper Patent Gmbh Auftragsvorrichtung
DE102004037532A1 (de) * 2004-08-03 2006-03-16 Voith Paper Patent Gmbh Auftragsvorrichtung

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2614902A1 (de) * 1975-04-11 1976-10-21 Midland Ross Corp Verfahren und vorrichtung zur beschichtung von materialbahnen
DE3417487A1 (de) * 1984-05-11 1985-11-21 J.M. Voith Gmbh, 7920 Heidenheim Vorrichtung zum auftragen einer fluessigkeit auf eine laufende bahn
EP0352582A2 (fr) * 1988-07-27 1990-01-31 J.M. Voith GmbH Dispositif de support pour l'enduction d'un matériau en bande en mouvement, et procédé d'enduction

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1695319A (en) * 1926-02-10 1928-12-18 John Waldron Corp Coating machine
US1809146A (en) * 1928-08-11 1931-06-09 Beveridge Paper Company Process of decorating paper
US2970564A (en) * 1955-12-23 1961-02-07 Champion Paper & Fibre Co Apparatus for coating paper
US4147126A (en) * 1976-01-15 1979-04-03 Imperial Chemical Industries Limited Coating apparatus
US4354449A (en) * 1978-07-03 1982-10-19 The Black Clawson Company Two sided coater
US4325784A (en) * 1980-03-20 1982-04-20 Beloit Corporation Combined size press and breaker stack and method
US4413586A (en) * 1982-05-20 1983-11-08 J. M. Voith Gmbh Size press
JPS59106007A (ja) * 1982-12-10 1984-06-19 Toyota Central Res & Dev Lab Inc 多関節型ロボツトの軌跡制御装置
DE3440634C2 (de) * 1984-11-07 1986-09-11 J.M. Voith Gmbh, 7920 Heidenheim Einrichtung zur beidseitigen Beschichtung laufender Warenbahnen
DE3836919A1 (de) * 1988-10-29 1990-05-03 Voith Gmbh J M Streicheinrichtung, insbesondere leimpresse

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2614902A1 (de) * 1975-04-11 1976-10-21 Midland Ross Corp Verfahren und vorrichtung zur beschichtung von materialbahnen
DE3417487A1 (de) * 1984-05-11 1985-11-21 J.M. Voith Gmbh, 7920 Heidenheim Vorrichtung zum auftragen einer fluessigkeit auf eine laufende bahn
EP0352582A2 (fr) * 1988-07-27 1990-01-31 J.M. Voith GmbH Dispositif de support pour l'enduction d'un matériau en bande en mouvement, et procédé d'enduction

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995016073A1 (fr) * 1993-12-11 1995-06-15 J.M. Voith Gmbh Ensemble de montage pour poste de couchage a un seul contre-rouleau
EP2085516A3 (fr) * 2008-01-28 2010-01-27 Voith Patent GmbH Dispositif d'amélioration des conditions de travail du personnel de service d'un dispositif de brossage

Also Published As

Publication number Publication date
NO911760L (no) 1991-11-11
EP0458035B1 (fr) 1994-09-07
JP3089564B2 (ja) 2000-09-18
DE4014647A1 (de) 1991-11-14
JPH0584457A (ja) 1993-04-06
BR9101886A (pt) 1991-12-17
ATE111172T1 (de) 1994-09-15
FI912079A0 (fi) 1991-04-29
FI106185B (fi) 2000-12-15
FI912079A (fi) 1991-11-09
EP0458035A3 (en) 1993-02-03
ES2058964T3 (es) 1994-11-01
DE4014647C2 (de) 1995-03-30
US5203920A (en) 1993-04-20
NO911760D0 (no) 1991-05-06
CA2041845A1 (fr) 1991-11-09

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