EP1811083A1 - Satinage - Google Patents

Satinage Download PDF

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Publication number
EP1811083A1
EP1811083A1 EP06124197A EP06124197A EP1811083A1 EP 1811083 A1 EP1811083 A1 EP 1811083A1 EP 06124197 A EP06124197 A EP 06124197A EP 06124197 A EP06124197 A EP 06124197A EP 1811083 A1 EP1811083 A1 EP 1811083A1
Authority
EP
European Patent Office
Prior art keywords
heated
nip
fibrous web
elastic
smoothing
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
EP06124197A
Other languages
German (de)
English (en)
Other versions
EP1811083B1 (fr
Inventor
Jörg Dr. Rheims
Ulrich Rothfuss
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.)
Voith Patent GmbH
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=38080891&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1811083(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Voith Patent GmbH filed Critical Voith Patent GmbH
Publication of EP1811083A1 publication Critical patent/EP1811083A1/fr
Application granted granted Critical
Publication of EP1811083B1 publication Critical patent/EP1811083B1/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21G—CALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
    • D21G1/00—Calenders; Smoothing apparatus
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21G—CALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
    • D21G1/00—Calenders; Smoothing apparatus
    • D21G1/02—Rolls; Their bearings
    • D21G1/0233—Soft rolls
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21G—CALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
    • D21G1/00—Calenders; Smoothing apparatus
    • D21G1/02—Rolls; Their bearings
    • D21G1/0253—Heating or cooling the rolls; Regulating the temperature

Definitions

  • the invention relates to a method and apparatus for matting a paper, cardboard or other fibrous web in a machine for producing and / or finishing the same at the at least one side of the fibrous web provided by a coating unit with a coating and the fibrous web then by at least a heated nip is performed.
  • Coated fibrous webs are usually smoothed with soft calenders.
  • the problem is to produce a suitable for printability smoothness, without making the surface to shiny.
  • the object of the invention is therefore to improve the smoothness of Mattatinatin.
  • this object is achieved in that the calendering nip is extended, the line force in the heated nip is above 300 N / mm and a pressing surface of the heated nip is heated to a temperature between 90 and 130 ° C.
  • the temperature in the nip is much higher than is otherwise found in the matte finish. Surprisingly, it turned out that the Higher temperature in connection with the longer residence time has a positive effect on the smoothness, but not on the same extent on the gloss.
  • the length of the heated nip should be between 40 and 90 mm.
  • the heated pressing surface should be formed for simplicity by a heated smoothing roll.
  • the pressing surface opposite the heated pressing surface should be designed as a roll with an elastic cover or as a shoe press roll.
  • the flexible roll shell of the shoe press roll should have a hardness of less than 95 Shore (A) at least on the surface in order to protect the fibrous web.
  • both sides of the fibrous web should be provided with a coating by the coater.
  • the heated pressing surfaces of the heated nip should be placed on different sides of the fibrous web.
  • the fibrous web runs through a heated, extended nip and an elastic smoothing nip, wherein the elastic nip is formed by two pressing surfaces, at least one of which has an elastic cover.
  • the elastic nip should be formed by two press rolls, at least one of which has an elastic cover.
  • the elastic cover also results in an extension of the calendering nip.
  • two press rolls offer the advantage that in particular the fibrous web thickness can be profiled in the elastic nip.
  • the elastic smoothing nip is arranged before or after the heated calendering nip.
  • Tappi 75 is a method for measuring the reflection gloss of the paper at 75 ° according to the test method Tappi T480.
  • the fibrous web 1 is painted on both sides during the passage of a coating unit 2 before satining. This forms the basis for a substantial improvement in surface properties.
  • the fibrous web 1 is passed through a first, heated and extended nip.
  • This smoothing gap is formed by a heated, cylindrical and below the fibrous web 1 arranged smoothing roll 4 and an upper shoe press roll 3.
  • the shoe press roll 3 has a flexible roll shell 7 which is pressed by a pressing element 8 with concave pressing surface for smoothing roll 4.
  • the roll shell 7 is sufficiently soft with a hardness of less than 95 Shore (A) to not affect the surface of the fibrous web 1.
  • the concave pressing surface extends the smoothing gap to a length between 40 and 90 mm. Because of the thus resulting, longer residence time of the fibrous web 1 in the calendering nip, the line force can be increased to values above 300 N / mm without the risk of an excessive reduction in volume.
  • the temperature of the roll shell of the heated smoothing roll 4 is between 90 and 130 ° C and, in conjunction with the long residence time for a significant improvement in the smoothness.
  • a second heated and extended smoothing gap follows thereupon.
  • the heated smoothing rolls 4 are arranged on different sides of the fibrous web 1.
  • the heated smoothing gap in the web running direction 9 is followed by an elastic calendering nip.
  • This elastic smoothing nip is formed by two press rollers 5,6 with an elastic roll cover. Due to the elasticity of the roll covers, here too an extended smoothing gap arises.
  • This elastic smoothing gap is associated with a smoothing gap with shoe press roll with less effort.

Landscapes

  • Paper (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)
EP06124197A 2006-01-07 2006-11-16 Satinage Expired - Fee Related EP1811083B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102006001021A DE102006001021A1 (de) 2006-01-07 2006-01-07 Mattsatinage

Publications (2)

Publication Number Publication Date
EP1811083A1 true EP1811083A1 (fr) 2007-07-25
EP1811083B1 EP1811083B1 (fr) 2008-11-19

Family

ID=38080891

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06124197A Expired - Fee Related EP1811083B1 (fr) 2006-01-07 2006-11-16 Satinage

Country Status (4)

Country Link
EP (1) EP1811083B1 (fr)
JP (1) JP4906500B2 (fr)
AT (1) ATE414818T1 (fr)
DE (2) DE102006001021A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2314763A1 (fr) * 2009-09-15 2011-04-27 Voith Patent GmbH Dispositif destiné au traitement d'une bande de matière fibreuse

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002029159A1 (fr) * 2000-10-02 2002-04-11 Metso Paper, Inc. Procede de calandrage d'une feuille continue et systeme associe comportant une calandre a grande longueur de contact
EP1314819A2 (fr) * 2001-11-24 2003-05-28 Voith Paper Patent GmbH Calandre et procédé pour le lissage de bandes de papier ou carton
EP1467019A2 (fr) * 2003-04-11 2004-10-13 Voith Paper Patent GmbH Arrangement pour traiter une bande de papier or de carton
EP1491680A1 (fr) * 2003-06-20 2004-12-29 Voith Paper Patent GmbH Procédé pour lisser une bande de papier ou de carton et calandre à pinçage allongé
EP1571257A1 (fr) * 2004-03-06 2005-09-07 Voith Paper Patent GmbH Procédé et dispositif pour le traitement d'une bande de papier ou carton

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI991108A (fi) * 1999-05-14 2000-11-15 Valmet Corp Menetelmä ja sovitelma kalanteroidun paperin tai kartongin valmistamis eksi
FI113288B (fi) * 2000-02-16 2004-03-31 Metso Paper Inc Menetelmä ja laite paperin kalanteroimiseksi
FI115730B (fi) * 2000-05-03 2005-06-30 Metso Paper Inc Hihnakalanteri ja menetelmä materiaalirainan kalanteroimiseksi hihnakalanterissa
JP2005089950A (ja) * 2003-08-12 2005-04-07 Mitsubishi Heavy Ind Ltd カレンダシステム，そのカレンダシステムにより製造された紙及びカレンダ処理方法
JP4228903B2 (ja) * 2003-12-12 2009-02-25 王子製紙株式会社 印刷用塗被紙の製造方法
JP2006132030A (ja) * 2004-11-05 2006-05-25 Nippon Paper Industries Co Ltd 印刷用塗工紙

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002029159A1 (fr) * 2000-10-02 2002-04-11 Metso Paper, Inc. Procede de calandrage d'une feuille continue et systeme associe comportant une calandre a grande longueur de contact
EP1314819A2 (fr) * 2001-11-24 2003-05-28 Voith Paper Patent GmbH Calandre et procédé pour le lissage de bandes de papier ou carton
EP1467019A2 (fr) * 2003-04-11 2004-10-13 Voith Paper Patent GmbH Arrangement pour traiter une bande de papier or de carton
EP1491680A1 (fr) * 2003-06-20 2004-12-29 Voith Paper Patent GmbH Procédé pour lisser une bande de papier ou de carton et calandre à pinçage allongé
EP1571257A1 (fr) * 2004-03-06 2005-09-07 Voith Paper Patent GmbH Procédé et dispositif pour le traitement d'une bande de papier ou carton

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2314763A1 (fr) * 2009-09-15 2011-04-27 Voith Patent GmbH Dispositif destiné au traitement d'une bande de matière fibreuse

Also Published As

Publication number Publication date
ATE414818T1 (de) 2008-12-15
JP4906500B2 (ja) 2012-03-28
EP1811083B1 (fr) 2008-11-19
JP2007182666A (ja) 2007-07-19
DE502006002116D1 (de) 2009-01-02
DE102006001021A1 (de) 2007-07-12

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