EP1593778A1 - Procédé et appareil de traitement d'une bande de papier ou carton - Google Patents

Procédé et appareil de traitement d'une bande de papier ou carton Download PDF

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Publication number
EP1593778A1
EP1593778A1 EP05101506A EP05101506A EP1593778A1 EP 1593778 A1 EP1593778 A1 EP 1593778A1 EP 05101506 A EP05101506 A EP 05101506A EP 05101506 A EP05101506 A EP 05101506A EP 1593778 A1 EP1593778 A1 EP 1593778A1
Authority
EP
European Patent Office
Prior art keywords
web
shoe
nip
calender
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
EP05101506A
Other languages
German (de)
English (en)
Other versions
EP1593778B1 (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 Paper 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
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=34938836&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1593778(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Voith Paper Patent GmbH filed Critical Voith Paper Patent GmbH
Publication of EP1593778A1 publication Critical patent/EP1593778A1/fr
Application granted granted Critical
Publication of EP1593778B1 publication Critical patent/EP1593778B1/fr
Active legal-status Critical Current
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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
    • D21H25/00—After-treatment of paper not provided for in groups D21H17/00 - D21H23/00
    • D21H25/08—Rearranging applied substances, e.g. metering, smoothing; Removing excess material
    • D21H25/12—Rearranging applied substances, e.g. metering, smoothing; Removing excess material with an essentially cylindrical body, e.g. roll or rod
    • D21H25/14—Rearranging applied substances, e.g. metering, smoothing; Removing excess material with an essentially cylindrical body, e.g. roll or rod the body being a casting drum, a heated roll or a calender
    • 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
    • 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
    • D21H23/50—Spraying or projecting
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S118/00—Coating apparatus
    • Y10S118/04—Curtain coater

Definitions

  • the invention relates to a method for treating a Web of paper or cardboard, in which a functional line applied to the web and then the web is satined. Furthermore, the invention relates to a Apparatus for treating a web of paper or Carton with a coater and a calender.
  • Paper or board webs which in the following also briefly are called "train", are often with a Stroke on at least one surface provided. This Dash, so a coating, can be different Have purposes. You can smooth the train. You can do that Stroke but also assign another function. For example you can with the help of the line the train make thermosensitive.
  • a thermosensitive web can for example, in fax machines or other printers be used, which the web with the help of locally applied Describe heat.
  • the invention is based on the object, webs with Functional line cost-effective to produce.
  • the shoe calender is therefore driven "cold". This is unusual because shoe calender basically always be operated at relatively high temperatures. It has but it has been shown that at the relatively low temperatures, which can even be far below 60 ° C, for example, at 40 ° C or even 30 ° C, the calendering the web is sufficient to the desired properties achieve. In particular, the train gets a sufficient Rub resistance.
  • the coat of the shoe roll of the Shoe calender stationary and dips the counter roll in the coat.
  • This has the advantage that no Mantle stretching results and thus no flexing. Accordingly, results in the areas of the lateral Edge zones also no overheating. The coat is less stressed. Accordingly decline the costs.
  • a curtain coater is used to apply the coating.
  • a curtain coater is offered by Voith Paper, 89522 Heidenheim, Germany. With a curtain coater, the line can be applied without contact and with a relatively small thickness.
  • the web is passed through the nip at a speed in the range of 900 to 1,300 m / min. This speed shows the best calendering result.
  • the counter roll has a surface temperature of a maximum of 60 ° C.
  • the shoe calender will So cold. Up to now, this has basically been the case not promised a particularly good effect. in the Connection with a function bar results however a sufficient calendering effect, in particular a excellent rub resistance.
  • the shoe calender preferably has a broad nip with a length of at least 40 mm, in which a Line load of a maximum of 600 N / mm prevails. With that result although only low compressive stresses. These compressive stresses but sufficient to the railway the necessary To give scuff resistance.
  • the shoe roll has a stationary one Shoe has and the counter roll in the coat is sinkable.
  • the flexing work that develops in the sheath of the shoe roll stays lower. This avoids problems with overheating at the edge zones.
  • the stress of the coat is kept small. Overall, it can be increase the life of the jacket. The costs will be lowered.
  • the coating device is a curtain coater educated.
  • a curtain coater can be achieve a particularly thin coating order.
  • the drawing shows a device 1 for treatment a web 2 of paper or cardboard.
  • the train is coming out a paper or board machine shown only schematically 3.
  • the web 2 passes through a coating device 4, in the a functional rule 5 applied to a surface becomes.
  • the coating device 4 is here as "Curtain Coater "trained, the coating color in the form of a Curtain 6 (symbolized by an arrow) on the Run lane 2.
  • By a vote of the issued Quantity on the speed of the lane 2 leaves an extremely thin line on the surface create the web 2.
  • the stroke 5 in the drawing is exaggeratedly thick shown.
  • the function bar 5 may be, for example to act on a thermosensitive bar, so that the Lane 2 ultimately a thermosensitive paper or becomes a thermosensitive cardboard.
  • the dash 5 contains usually except a binder and some Minor constituents two dye precursors by Melt reacted with each other a mostly produce black color.
  • the main application areas are fax papers, printer, plotter and label papers.
  • the thermoreactive stroke can by a not shown heat-insulating primer supported, also with a curtain Coater can be applied.
  • the coating device has an output device 7 on, which is the stroke 5, also called “coating color” can be applied to the web 2, and a Drip tray 8, in the laterally excessive coating color can be included. In not shown Way, the coating color from the drip tray 8 returned to the output device 7 again become.
  • a shoe calender 9 Online to the coating device 4 is a shoe calender 9 arranged, which is a shoe roll 10 with a circumferential Sheath 11 and a support shoe 12 has.
  • the Support shoe 12 has a pressure surface 13 which with Not shown devices for introducing is provided by lubricants, such as hydraulic oil.
  • lubricants such as hydraulic oil.
  • the jacket 11 of the shoe roll 10 acts a Counter roller 14 together, which has a variety of peripheral Holes 15, the temperature at the surface to adjust the counter roll 14 can.
  • the counter-roller 14 with respect to the shoe roll 10 displaced.
  • the Support shoe 12 of the shoe roll 10 is arranged stationary.
  • the counter-roller 14 is thus in the shell 11 of Shoe roll 10 immersed. This has the advantage that the jacket 11 is not stretched at its axial ends must become. There he is usually with front discs provided, which rotate about an axis 17.
  • the shoe roll 10 forms with the counter roll 14 a broad nip 18, in which the web 2 with the applied Function bar 5 is satined.
  • the maximum surface temperature of the Counter roller 14 is 60 ° C. To achieve this, can it will be necessary to have the peripheral holes 15 of one to flow through something colder medium, the Counter roll 14 so cool. This depends on how hot the web 2 is and what temperature increase by applying the web 2 in the nip 18 results.
  • the temperature of the counter roll 14 even lower, namely at 40 ° C or only 30 ° C.
  • the broad nip 18 has a length of at least 40 mm in the running direction of the web 2. A longer length is preferred. The length can be up to 400 mm. In the broad nip one generates a line load of, for example, 600 N / mm, so that a compressive stress of about 15 N / mm 2 results at a Nipnature of 40 mm. The compressive stress should be chosen so that the volume of the web 2 does not substantially decrease in the extended nip 18, that is, for example, only reduced by 2.5%.
  • the web 2 passes through the broad nip 18 at a speed in the range of 900 to 1,300 m / min. Together with the low temperature and the relatively low Compressive stress is achieved with the functional line 5 is sufficiently solidified, so that the web 2 receives a good rub resistance.
  • the Smoothness and gloss values of the web 2 also rise something on. However, this is not the focus here.

Landscapes

  • Paper (AREA)
  • Heat Sensitive Colour Forming Recording (AREA)
EP05101506A 2004-05-06 2005-02-28 Procédé et appareil de traitement d'une bande de papier ou carton Active EP1593778B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004022416A DE102004022416B4 (de) 2004-05-06 2004-05-06 Verfahren und Vorrichtung zum Behandeln einer Bahn aus Papier oder Karton
DE102004022416 2004-05-06

Publications (2)

Publication Number Publication Date
EP1593778A1 true EP1593778A1 (fr) 2005-11-09
EP1593778B1 EP1593778B1 (fr) 2011-10-05

Family

ID=34938836

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05101506A Active EP1593778B1 (fr) 2004-05-06 2005-02-28 Procédé et appareil de traitement d'une bande de papier ou carton

Country Status (3)

Country Link
US (1) US7422659B2 (fr)
EP (1) EP1593778B1 (fr)
DE (1) DE102004022416B4 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1736321A1 (fr) * 2005-06-22 2006-12-27 Voith Patent GmbH Procédé pour la fabrication d'un papier thermique
EP2157239A1 (fr) * 2008-08-21 2010-02-24 Voith Patent GmbH Dispositif de production de bandes de matière fibreuse de papier, de carton ou autres revêtues dotées au moins d'une couche thermosensible et procédé de fonctionnement d'un tel dispositif
US7833573B2 (en) 2004-06-17 2010-11-16 Papierfabrik August Koehler Ag Method for producing thermosensitive recording material and recording material produced according to said method

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6063449A (en) * 1995-10-05 2000-05-16 Valmet Corporation Method and apparatus for coating a moving paper or cardboard web
WO2000070144A1 (fr) * 1999-05-12 2000-11-23 Metso Paper, Inc. Procede de fabrication de papier et ligne de machine a papier
US6413371B1 (en) * 1998-06-10 2002-07-02 Metso Paper, Inc. Method for manufacture of paper and a paper machine
EP1249533A1 (fr) * 2001-04-14 2002-10-16 The Dow Chemical Company Procédé de fabrication de papier ou carton enduit muticouche
WO2002103109A1 (fr) * 2001-06-18 2002-12-27 Metso Paper, Inc. Procede, machine a papier et papier de base pour la fabrication de papier impression couche leger (lwc) recouvert une seule fois
WO2003050352A1 (fr) * 2001-12-12 2003-06-19 Metso Paper, Inc. Procede de finition pour carton
DE10228117A1 (de) 2002-06-24 2004-01-22 Voith Paper Patent Gmbh Maschine zur Behandlung einer Materialbahn vorzugsweise aus Papier und Karton sowie ggf. zur der Behandlung vorausgehenden Herstellung der Materialbahn, mit einer Kontaktlos-Auftragseinrichtung und einer Materialbahnglättungseinrichtung
WO2004048687A1 (fr) * 2002-11-27 2004-06-10 Metso Paper, Inc. Papier couche leger et procede de fabrication dudit papier

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE9804346D0 (sv) * 1998-12-16 1998-12-16 Valmet Corp Method and apparatus for calendering paper
FI991108A (fi) * 1999-05-14 2000-11-15 Valmet Corp Menetelmä ja sovitelma kalanteroidun paperin tai kartongin valmistamis eksi
DE10057729A1 (de) * 2000-11-22 2002-05-23 Voith Paper Patent Gmbh Vorhang-Auftragsvorrichtung
US20050098285A1 (en) * 2002-06-24 2005-05-12 Richard Aust Machine for making/treating a sheet of material
US20050037158A1 (en) * 2003-08-12 2005-02-17 Yaoliang Hong Method of making glossy ink jet media using sub-micron silica coating and calendering process

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6063449A (en) * 1995-10-05 2000-05-16 Valmet Corporation Method and apparatus for coating a moving paper or cardboard web
US6413371B1 (en) * 1998-06-10 2002-07-02 Metso Paper, Inc. Method for manufacture of paper and a paper machine
WO2000070144A1 (fr) * 1999-05-12 2000-11-23 Metso Paper, Inc. Procede de fabrication de papier et ligne de machine a papier
EP1249533A1 (fr) * 2001-04-14 2002-10-16 The Dow Chemical Company Procédé de fabrication de papier ou carton enduit muticouche
WO2002103109A1 (fr) * 2001-06-18 2002-12-27 Metso Paper, Inc. Procede, machine a papier et papier de base pour la fabrication de papier impression couche leger (lwc) recouvert une seule fois
WO2003050352A1 (fr) * 2001-12-12 2003-06-19 Metso Paper, Inc. Procede de finition pour carton
DE10228117A1 (de) 2002-06-24 2004-01-22 Voith Paper Patent Gmbh Maschine zur Behandlung einer Materialbahn vorzugsweise aus Papier und Karton sowie ggf. zur der Behandlung vorausgehenden Herstellung der Materialbahn, mit einer Kontaktlos-Auftragseinrichtung und einer Materialbahnglättungseinrichtung
WO2004048687A1 (fr) * 2002-11-27 2004-06-10 Metso Paper, Inc. Papier couche leger et procede de fabrication dudit papier

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7833573B2 (en) 2004-06-17 2010-11-16 Papierfabrik August Koehler Ag Method for producing thermosensitive recording material and recording material produced according to said method
EP1736321A1 (fr) * 2005-06-22 2006-12-27 Voith Patent GmbH Procédé pour la fabrication d'un papier thermique
EP2157239A1 (fr) * 2008-08-21 2010-02-24 Voith Patent GmbH Dispositif de production de bandes de matière fibreuse de papier, de carton ou autres revêtues dotées au moins d'une couche thermosensible et procédé de fonctionnement d'un tel dispositif

Also Published As

Publication number Publication date
DE102004022416B4 (de) 2013-02-21
US20050257906A1 (en) 2005-11-24
US7422659B2 (en) 2008-09-09
DE102004022416A1 (de) 2005-12-15
EP1593778B1 (fr) 2011-10-05

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