ATE429541T1 - DOUBLE COATING SYSTEM - Google Patents

DOUBLE COATING SYSTEM

Info

Publication number
ATE429541T1
ATE429541T1 AT04028315T AT04028315T ATE429541T1 AT E429541 T1 ATE429541 T1 AT E429541T1 AT 04028315 T AT04028315 T AT 04028315T AT 04028315 T AT04028315 T AT 04028315T AT E429541 T1 ATE429541 T1 AT E429541T1
Authority
AT
Austria
Prior art keywords
web
curtain
curtains
spacing
tip
Prior art date
Application number
AT04028315T
Other languages
German (de)
Inventor
Hirofumi Morita
Hiroyuki Kohno
Akio Hirano
Original Assignee
Voith Patent 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 Voith Patent Gmbh filed Critical Voith Patent Gmbh
Application granted granted Critical
Publication of ATE429541T1 publication Critical patent/ATE429541T1/en

Links

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
    • D21H23/02—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
    • D21H23/46—Pouring or allowing the fluid to flow in a continuous stream on to the surface, the entire stream being carried away by the paper
    • D21H23/48—Curtain coaters
    • 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
    • B05C5/005—Curtain coaters
    • 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
    • B05C9/00—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important
    • B05C9/06—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying two different liquids or other fluent materials, or the same liquid or other fluent material twice, to the same side of the work
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D1/00—Processes for applying liquids or other fluent materials
    • B05D1/30—Processes for applying liquids or other fluent materials performed by gravity only, i.e. flow coating
    • B05D1/305—Curtain coating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/50—Multilayers
    • B05D7/52—Two layers
    • B05D7/54—No clear coat specified
    • B05D7/542—No clear coat specified the two layers being cured or baked together
    • 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
    • D21H19/00—Coated paper; Coating material
    • D21H19/80—Paper comprising more than one coating
    • D21H19/82—Paper comprising more than one coating superposed
    • 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
    • D21H23/30—Pretreatment of the paper

Landscapes

  • Coating Apparatus (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Paper (AREA)
  • Machines For Manufacturing Corrugated Board In Mechanical Paper-Making Processes (AREA)

Abstract

A first coater (24) or compact feeder (4) delivers first coating material (t 1) down onto the web (2). It forms a curtain (t c 1), producing a first layer (t 2 1). A second coater (25) or compact feeder (4) is spaced a given distance from the first, along the web. It similarly forms a curtain (t c 2) of material (t 2) meeting the first layer (t 1 1), to form a coating layer (t 2 1). A barrier (8) intervenes between and separates the curtains, preventing interference and interaction between them. An air knife (6) ahead of the first air curtain blasts a high velocity flow onto the web surface, against web travel. This removes the air boundary layer adherent to the web. It prevents or minimizes disturbances to both curtains. The tip (6s) of the air knife device is low down above the web and the outlet opening is above the tip. The distance between them is 50-150 mm. Spacing between tip and first curtain is 10-50 mm. Spacing between curtains is 30-100 mm. Spacing between barrier and second curtain is 20-80 mm.
AT04028315T 2003-12-01 2004-11-30 DOUBLE COATING SYSTEM ATE429541T1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2003401519A JP2005161153A (en) 2003-12-01 2003-12-01 Double coating apparatus

Publications (1)

Publication Number Publication Date
ATE429541T1 true ATE429541T1 (en) 2009-05-15

Family

ID=34463924

Family Applications (1)

Application Number Title Priority Date Filing Date
AT04028315T ATE429541T1 (en) 2003-12-01 2004-11-30 DOUBLE COATING SYSTEM

Country Status (4)

Country Link
EP (1) EP1538262B1 (en)
JP (1) JP2005161153A (en)
AT (1) ATE429541T1 (en)
DE (1) DE502004009387D1 (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004062119A1 (en) * 2004-12-23 2006-07-13 Voith Paper Patent Gmbh Method of applying a multiple layer directly to a moving paper, board or other fibrous web
FI117344B (en) * 2004-12-31 2006-09-15 M Real Oyj Coated paper product and method and apparatus for making it
JP4683968B2 (en) 2005-03-11 2011-05-18 ボイス ペ−パ− パテント ゲ−エムベ−ハ− Curtain type coater
DE102005036667A1 (en) * 2005-08-04 2007-02-08 Voith Patent Gmbh Application process
EP1939007A3 (en) * 2006-12-27 2009-11-18 FUJIFILM Corporation Multi-layer coating method, and planographic printing plate and manufacturing method thereof
JP5239011B2 (en) 2008-01-22 2013-07-17 ボイス パテント ゲーエムベーハー Air cut device for tandem curtain coater
DE102008041419A1 (en) * 2008-08-21 2010-02-25 Voith Patent Gmbh Apparatus for producing coated paper, board or other fibrous webs with at least one thermosensitive layer and method for operating such a device
DE102008041422A1 (en) * 2008-08-21 2010-02-25 Voith Patent Gmbh Apparatus for producing coated paper, board or other fibrous webs with at least one thermosensitive layer and method for operating such a device
DE102009046095B4 (en) * 2009-10-28 2016-07-28 Valmet Technologies, Inc. Arrangement for the control of the guided in the Florstreichvorrichtung with the web air currents
EP2353736A1 (en) * 2010-01-29 2011-08-10 3M Innovative Properties Company Continuous process for forming a multilayer film and multilayer film prepared by such method
CN102221784B (en) * 2010-04-19 2013-07-24 北京京东方光电科技有限公司 Glue coating device and glue coating method
EP2551024B1 (en) 2011-07-29 2017-03-22 3M Innovative Properties Co. Multilayer film having at least one thin layer and continuous process for forming such a film
DE102011085432A1 (en) * 2011-10-28 2013-05-02 Metso Paper, Inc. Coating fibrous web, comprises applying two layers of coating material on fibrous web, where first layer is applied by a pre-coating and second layer is applied by contactless coating, and fibrous web is not dried before contactless coating
CN113199471B (en) * 2021-04-07 2022-08-30 深圳群宾精密工业有限公司 Method for planning double TCP dispensing paths of manipulator based on 3D vision

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3508947A (en) * 1968-06-03 1970-04-28 Eastman Kodak Co Method for simultaneously applying a plurality of coated layers by forming a stable multilayer free-falling vertical curtain
JPH054441A (en) * 1991-06-27 1993-01-14 Mitsubishi Paper Mills Ltd Method for producing carbonless pressure-sensitive copying paper
JP3549075B2 (en) * 1995-06-02 2004-08-04 三菱製紙株式会社 Curtain coating apparatus and coating method
DE10012347A1 (en) * 2000-03-14 2001-09-20 Voith Paper Patent Gmbh Curtain coating applicator for a moving paper/cardboard web has electrodes at given electrical potentials to generate magnetic fields to affect the coating medium flow between the applicator and web surface in direct or indirect coating
JP3676182B2 (en) * 2000-04-03 2005-07-27 三菱重工業株式会社 Coating apparatus and coating method
DE10057729A1 (en) * 2000-11-22 2002-05-23 Voith Paper Patent Gmbh Web coating station, has two applicators, to deliver the coatings as falling curtains, with different coating media and a structured gap between the strike points of each at the moving substrate for the overlaid layers
JP3848168B2 (en) * 2001-03-29 2006-11-22 三菱製紙株式会社 Curtain coating device
JP4263615B2 (en) * 2001-12-13 2009-05-13 ダウ グローバル テクノロジーズ インコーポレイティド Flow coating method and apparatus

Also Published As

Publication number Publication date
EP1538262B1 (en) 2009-04-22
JP2005161153A (en) 2005-06-23
DE502004009387D1 (en) 2009-06-04
EP1538262A1 (en) 2005-06-08

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Legal Events

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