DE69323214D1 - DEVICE AND METHOD FOR MINIMIZING COATING GAPS ON A PAPER RAIL - Google Patents

DEVICE AND METHOD FOR MINIMIZING COATING GAPS ON A PAPER RAIL

Info

Publication number
DE69323214D1
DE69323214D1 DE69323214T DE69323214T DE69323214D1 DE 69323214 D1 DE69323214 D1 DE 69323214D1 DE 69323214 T DE69323214 T DE 69323214T DE 69323214 T DE69323214 T DE 69323214T DE 69323214 D1 DE69323214 D1 DE 69323214D1
Authority
DE
Germany
Prior art keywords
coating liquid
web
sheet
applicator
curved surface
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
DE69323214T
Other languages
German (de)
Other versions
DE69323214T2 (en
Inventor
Wayne Damrau
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.)
CONS PAPER Inc
Original Assignee
CONS PAPER Inc
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 CONS PAPER Inc filed Critical CONS PAPER Inc
Publication of DE69323214D1 publication Critical patent/DE69323214D1/en
Application granted granted Critical
Publication of DE69323214T2 publication Critical patent/DE69323214T2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • D21H23/32—Addition to the formed paper by contacting paper with an excess of material, e.g. from a reservoir or in a manner necessitating removal of applied excess material from the paper
    • D21H23/34—Knife or blade type coaters
    • 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
    • D21H23/32—Addition to the formed paper by contacting paper with an excess of material, e.g. from a reservoir or in a manner necessitating removal of applied excess material from the paper

Landscapes

  • Paper (AREA)
  • Coating Apparatus (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)

Abstract

A fountain applicator for applying coating liquid onto a web of paper carried past the applicator, has a coating liquid flow path that includes a curved surface along which a sheet of the coating liquid is flowed to subject the sheet to centrifugal force to cause air entrained in the coating liquid to move toward one side of the sheet away from the curved surface. After being flowed along the curved surface, the sheet of coating liquid is directed toward the web in a free standing jet curtain of coating liquid, to contact an opposite relatively air-free side of the coating liquid sheet against the web surface while the one side of the sheet is out of substantial contact with the web surface. Contacting the web with coating liquid that is relatively free of entrained air minimizes the occurrence of skip coating on the web, especially when the web is travelling past the applicator at high speeds.
DE69323214T 1992-09-11 1993-10-25 DEVICE AND METHOD FOR MINIMIZING COATING GAPS ON A PAPER RAIL Expired - Lifetime DE69323214T2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US94391992A 1992-09-11 1992-09-11
PCT/EP1993/002452 WO1995012031A1 (en) 1992-09-11 1993-10-25 Method of minimizing skip coating on a paper web

Publications (2)

Publication Number Publication Date
DE69323214D1 true DE69323214D1 (en) 1999-03-04
DE69323214T2 DE69323214T2 (en) 1999-09-09

Family

ID=26070059

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69323214T Expired - Lifetime DE69323214T2 (en) 1992-09-11 1993-10-25 DEVICE AND METHOD FOR MINIMIZING COATING GAPS ON A PAPER RAIL

Country Status (9)

Country Link
EP (1) EP0675984B1 (en)
JP (1) JP2975689B2 (en)
AT (1) ATE176021T1 (en)
BR (1) BR9307830A (en)
CA (1) CA2101358C (en)
DE (1) DE69323214T2 (en)
ES (1) ES2131124T3 (en)
FI (1) FI105940B (en)
WO (1) WO1995012031A1 (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6319552B1 (en) 1992-09-11 2001-11-20 Stora Enso North America Corp. Method of decreasing skip coating on a paper web
US5789023A (en) * 1992-09-11 1998-08-04 Consolidated Papers, Inc. Method of applying coating to a web using centrifugal force
CA2101358C (en) * 1992-09-11 2000-10-24 Wayne A. Damrau Fountain applicator for coating a paper web and method
ATE200325T1 (en) * 1994-09-09 2001-04-15 Voith Paper Patent Gmbh APPLICATION WORK FOR THE DIRECT OR INDIRECT APPLICATION OF A LIQUID OR PASTY MEDIUM TO A RUNNING MATERIAL WEB
US5772766A (en) * 1994-09-09 1998-06-30 Voith Papiermaschinen Gmbh Application unit for the direct or indirect application of a liquid or pasty medium onto a moving material web
DE59509286D1 (en) * 1994-09-09 2001-06-28 Voith Paper Patent Gmbh APPLICATION FOR DIRECT OR INDIRECT APPLICATION OF A LIQUID OR PASTY MEDIUM ON A CONTINUOUS MATERIAL
EP0761877A3 (en) * 1995-09-06 1997-06-25 Voith Sulzer Papiermasch Gmbh Device for applying directly or indirectly fluid or pasty material onto a moving web, in particular paper or board
DE29520678U1 (en) * 1995-12-29 1996-05-30 Voith Sulzer Papiermaschinen GmbH, 89522 Heidenheim Applicator for direct or indirect application of a liquid or pasty medium to a running material web
FI107278B (en) * 1996-02-28 2001-06-29 Metso Paper Inc Device for preventing clogging of a coating nozzle
FI110274B (en) * 1996-11-04 2002-12-31 Metso Paper Inc Method and apparatus for coating a moving cardboard web
FI110956B (en) * 1997-11-21 2003-04-30 Metso Paper Inc JET application station and coating process
DE19816337A1 (en) 1998-04-11 1999-10-14 Voith Sulzer Papiertech Patent Device for direct or indirect, one- or two-sided application of a liquid or pasty medium to a running surface
DE10343021A1 (en) * 2003-09-16 2005-04-07 Voith Paper Patent Gmbh Producing decorative paper with a pigment coating, useful for making decorative laminates, comprises contactless application of an aqueous color coating composition onto a coating base paper by curtain coating
FI120982B (en) * 2005-02-25 2010-05-31 Metso Paper Inc Curtain coating method and apparatus applying this
WO2013076849A1 (en) * 2011-11-24 2013-05-30 フォイト パテント ゲゼルシャフト ミット ベシュレンクテル ハフツング Head for coater
WO2016023791A1 (en) 2014-08-15 2016-02-18 Voith Patent Gmbh Coater

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5835105B2 (en) * 1978-12-25 1983-07-30 富士写真フイルム株式会社 Coating device
US4534309A (en) * 1983-11-17 1985-08-13 Consolidated Papers, Inc. Paper coating apparatus
CA2101358C (en) * 1992-09-11 2000-10-24 Wayne A. Damrau Fountain applicator for coating a paper web and method

Also Published As

Publication number Publication date
EP0675984A1 (en) 1995-10-11
ATE176021T1 (en) 1999-02-15
BR9307830A (en) 1995-11-28
CA2101358C (en) 2000-10-24
CA2101358A1 (en) 1994-03-12
FI953126A (en) 1995-06-22
JP2975689B2 (en) 1999-11-10
FI105940B (en) 2000-10-31
FI953126A0 (en) 1995-06-22
JPH08508676A (en) 1996-09-17
EP0675984B1 (en) 1999-01-20
ES2131124T3 (en) 1999-07-16
WO1995012031A1 (en) 1995-05-04
DE69323214T2 (en) 1999-09-09

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Legal Events

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8364 No opposition during term of opposition