EP1964970A3 - Method for producing a coated length of paper, cardboard or other fibre sheet - Google Patents

Method for producing a coated length of paper, cardboard or other fibre sheet Download PDF

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Publication number
EP1964970A3
EP1964970A3 EP07150127A EP07150127A EP1964970A3 EP 1964970 A3 EP1964970 A3 EP 1964970A3 EP 07150127 A EP07150127 A EP 07150127A EP 07150127 A EP07150127 A EP 07150127A EP 1964970 A3 EP1964970 A3 EP 1964970A3
Authority
EP
European Patent Office
Prior art keywords
web
producing
paper
cardboard
film
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.)
Withdrawn
Application number
EP07150127A
Other languages
German (de)
French (fr)
Other versions
EP1964970A2 (en
Inventor
Hai-Van Nguyen
Uwe Fröhlich
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
Application filed by Voith Patent GmbH filed Critical Voith Patent GmbH
Publication of EP1964970A2 publication Critical patent/EP1964970A2/en
Publication of EP1964970A3 publication Critical patent/EP1964970A3/en
Withdrawn legal-status Critical Current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
    • 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
    • D21H19/00—Coated paper; Coating material
    • D21H19/80—Paper comprising more than one coating
    • D21H19/82—Paper comprising more than one coating superposed
    • D21H19/822—Paper comprising more than one coating superposed two superposed coatings, both being pigmented
    • 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
    • D21H19/84—Paper comprising more than one coating on both sides of the substrate
    • 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
    • D21H23/52—Addition to the formed paper by contacting paper with a device carrying the material
    • D21H23/56—Rolls

Abstract

Die Erfindung betrifft ein Verfahren zur Herstellung einer beschichteten Papier-, Karton- oder anderen Faserstoffbahn (7) in einer Bahn- Herstellungsmaschine (1) aufweisend folgende Schritte:
- Bahnbildung aus einem Faserstoffgemisch mit einem Stoffauflauf (2) und einer Siebpartie (3),
- Entwässerung in einer Pressenpartie (4),
- Vortrocknung (5, 6), um die gebildete Bahn (7) zumindest bis auf einen Restfeuchtegehalt zu trocknen,
- mehrfache Beschichtung wenigstens einer Bahnseite (7a; 7b),
- Nachtrocknung (14, 16) und
- Aufrollung (17) der Bahn (7).

Erfindungsgemäß ist vorgesehen, dass zumindest eine der Bahnseiten (7a, 7b) doppelt und in indirekter Weise mit einem Auftragsmedium versehen wird, wobei diese eine Bahnseite (7a, 7b) mit einem ersten Filmstrich bzw. Vorstrich (11a) in einer ersten Filmbeschichtungseinheit (10) und mit einem zweiten Filmstrich bzw. Deckstrich (13a) in einer zweiten Filmbeschichtungseinheit (12) versehen wird, wobei ein Verhältnis des Strichgewichtes des ersten Striches (11a, 11 b) zum zweiten Strich (13a, 13b) von 1,3 zu 1,0 und insgesamt ein Strichgewicht zwischen 40 und 55g/m2 eingestellt wird, sowie eine flächenbezogene Masse (FbM) der Bahn (7) zwischen 90 und 150 g/m2 erreicht wird.

Figure imgaf001
The invention relates to a method for producing a coated paper, board or other fibrous web (7) in a web-making machine (1) comprising the following steps:
Web formation from a fiber mixture with a headbox (2) and a wire section (3),
- dewatering in a press section (4),
Predrying (5, 6) to dry the formed web (7) at least to a residual moisture content,
multiple coating of at least one web side (7a, 7b),
- Post-drying (14, 16) and
- Reel (17) of the web (7).

According to the invention, at least one of the web sides (7a, 7b) is provided with an application medium in an indirect and indirect manner, this one web side (7a, 7b) having a first film coat or precoat (11a) in a first film coating unit (10 ) and a second film coat (13a) in a second film coating unit (12), wherein a ratio of the coating weight of the first bar (11a, 11b) to the second bar (13a, 13b) is 1.3: 1 , 0 and a total stroke weight between 40 and 55g / m 2 is set, and a basis weight (FbM) of the web (7) between 90 and 150 g / m 2 is achieved.
Figure imgaf001
EP07150127A 2007-02-28 2007-12-19 Method for producing a coated length of paper, cardboard or other fibre sheet Withdrawn EP1964970A3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200710009703 DE102007009703A1 (en) 2007-02-28 2007-02-28 Process for producing a coated paper, cardboard or other fibrous web

Publications (2)

Publication Number Publication Date
EP1964970A2 EP1964970A2 (en) 2008-09-03
EP1964970A3 true EP1964970A3 (en) 2012-01-18

Family

ID=39534829

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07150127A Withdrawn EP1964970A3 (en) 2007-02-28 2007-12-19 Method for producing a coated length of paper, cardboard or other fibre sheet

Country Status (2)

Country Link
EP (1) EP1964970A3 (en)
DE (1) DE102007009703A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008057795B4 (en) * 2008-11-17 2016-12-29 Hubertus Burkhart Process for the production of paper
DE202008016817U1 (en) 2008-12-19 2009-02-26 Voith Patent Gmbh coater

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19545408A1 (en) * 1995-12-06 1997-06-12 Voith Sulzer Papiermasch Gmbh Finishing surface of card web for e.g. box manufacture by precoating, pre-calendering and finish coating
US20050089641A1 (en) * 2001-12-10 2005-04-28 Stefan Fors Method and apparatus for making a multilayer coating
DE102004041537A1 (en) * 2004-08-27 2006-03-02 Voith Paper Patent Gmbh Method and apparatus for producing a coated LWC paper web

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19545408A1 (en) * 1995-12-06 1997-06-12 Voith Sulzer Papiermasch Gmbh Finishing surface of card web for e.g. box manufacture by precoating, pre-calendering and finish coating
US20050089641A1 (en) * 2001-12-10 2005-04-28 Stefan Fors Method and apparatus for making a multilayer coating
DE102004041537A1 (en) * 2004-08-27 2006-03-02 Voith Paper Patent Gmbh Method and apparatus for producing a coated LWC paper web

Also Published As

Publication number Publication date
DE102007009703A1 (en) 2008-09-04
EP1964970A2 (en) 2008-09-03

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