CN1602377A - Method for finishing board - Google Patents
Method for finishing board Download PDFInfo
- Publication number
- CN1602377A CN1602377A CN 02824504 CN02824504A CN1602377A CN 1602377 A CN1602377 A CN 1602377A CN 02824504 CN02824504 CN 02824504 CN 02824504 A CN02824504 A CN 02824504A CN 1602377 A CN1602377 A CN 1602377A
- Authority
- CN
- China
- Prior art keywords
- coating
- cloth
- plate width
- calender
- processing
- 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
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
- D21H23/70—Multistep processes; Apparatus for adding one or several substances in portions or in various ways to the paper, not covered by another single group of this main group
-
- 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
- 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
Abstract
The invention relates to a method for finishing board, especially recycled board (WLC). In the method, a board web (W) is first subjected to machine calendering (10). Next, the web is subjected to pre-coating (11). Then the web is driven through a long-nip calender (12) and further to an actual coating station/stations (13) for applying one or more coating layers to the web surface. Finally, the web is subjected to calender finishing (14).
Description
Technical field
The present invention relates to the method for a kind of processing ornamenting (finishing) cardboard, particularly reclaim cardboard (WLC=white line chip board (white line chipboard)).
Background technology
Reclaim cardboard and constitute by recycled fiber whole or in part, and for example can be used for the packing of dry food and the packing of other goods outside the food.The WLC plate is generally quadruple or four layer systems, for example comprises a basic unit (recovery paper pulp), a packed layer (recovery paper pulp), a chemical pulp layer, and a coating part.The output of WCL is increasing always, and mainly concentrates on the Asia.Although raw material quality is descending,, therefore, for example to carry out three times coatings usually and handle fully to cover to the still constantly growth of quality requirement of processing ornamenting finished product.According to the prior art, top-quality WLC obtains by with Yankee cylinder (Yankee cylinder) and moulding machine calender paperboard surface is carried out preliminary treatment before coating is handled.
Summary of the invention
The purpose of this invention is to provide a kind of improved processing ornamenting method, be used for the workmanship cardboard more level and smooth, brighter, particularly WLC plate than existing cardboard.In order to realize this purpose, the inventive method is characterised in that, this method comprises at first carries out press polish with machine calender to the plate width of cloth (board web), then the plate width of cloth being carried out pre-coating (precoating) handles, make then the plate width of cloth through a long nip press (long-nip) calender and and then arrive actual coating station (coating station) with in one or more layers coating of plate width of cloth surface coated, at last the plate width of cloth is carried out calender processing ornamenting.Downstream, calender at actual coating station are processed the upstream of ornamenting, and the plate width of cloth can further carry out extra coating by the scraper coating, with further smoothness and the glossiness of improving the plate width of cloth.
Description of drawings
To be described in more detail the present invention below with reference to accompanying drawing, wherein:
Fig. 1 has schematically shown the composition of typical WLC plate, and
Fig. 2 has schematically shown the layout that adopts the inventive method.
The specific embodiment
Fig. 1 has schematically shown the sandwich construction of a WLC plate, and WCL plate in the exemplary embodiment comprises the basic unit 1 that reclaims paper pulp, is the packed layer 2 that reclaims paper pulp equally, pulp layer 3, and the coating part 4 that can comprise a plurality of coatings.
Exemplary embodiment among Fig. 2 has shown a kind of processing ornamenting method of the present invention, wherein plate width of cloth W at first by machine calender 10 so that its thickness is carried out die mould.Then transfer plate width of cloth arrival scraper coating station 11 carries out pre-coating to improve the smoothness of the plate width of cloth.Make the plate width of cloth by for example long-nip calenders or the belt calender of the sole calender 12 shown in Fig. 2, to improve the flatness on plate width of cloth surface then.After by long-nip calenders the plate width of cloth is sent to actual coating station, this actual coating station can be for example to spray station 13, curtain coating station, or Opticoat Duo formula coating station.In this coating station, the covering of one or more layers coating of coating on plate width of cloth surface to obtain to wish.After coating was handled, the plate width of cloth also will carry out calender processing ornamenting with for example soft press-polishing machine 14 or glazing calender, with smoothness and the glossiness of improving the plate width of cloth.According to the present invention,, can also carry out the scraper coating alternatively, with further smoothness and the glossiness of improving the plate width of cloth in the downstream of actual coating station and the upstream of calender processing ornamenting.
Claims (6)
1, a kind of method of processing finished paperboard, described cardboard particularly reclaims cardboard (WLC),
It is characterized in that, this method comprises at first carries out the plate width of cloth (W) machine calender (10) press polish, then the plate width of cloth is carried out pre-coating and handle (11), make then the plate width of cloth through a long-nip calenders (12) and and then arrive actual coating station (13) with in one or more layers coating of plate width of cloth surface coated, at last the plate width of cloth is carried out calender processing ornamenting (14).
2, the method for claim 1 is characterized in that, described pre-coating is handled by scraper coating (11) and undertaken.
3, the method for claim 1 is characterized in that, described pre-coating processing is coated with by scraper to be carried out.
As each described method among the claim 1-3, it is characterized in that 4, described actual coating is coated with by spraying (13), curtain coating or Opticoat Duo formula to be carried out.
5, the described method of each claim as described above is characterized in that, described calender processing ornamenting is undertaken by soft press-polishing machine (14) or glazing calender.
6, the described method of each claim as described above is characterized in that, in the downstream of reality coating and the upstream of calender processing ornamenting, this method comprises that also carrying out optionally extra coating by the scraper coating handles.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI20012446A FI111281B (en) | 2001-12-12 | 2001-12-12 | Cardboard finishing procedure |
FI20012446 | 2001-12-12 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1602377A true CN1602377A (en) | 2005-03-30 |
CN1284901C CN1284901C (en) | 2006-11-15 |
Family
ID=8562465
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 02824504 Expired - Fee Related CN1284901C (en) | 2001-12-12 | 2002-11-15 | Method for finishing board |
Country Status (5)
Country | Link |
---|---|
CN (1) | CN1284901C (en) |
AU (1) | AU2002338999A1 (en) |
DE (1) | DE10297514T5 (en) |
FI (1) | FI111281B (en) |
WO (1) | WO2003050352A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103025958A (en) * | 2010-07-28 | 2013-04-03 | 沃依特专利有限责任公司 | Process for producing a fibrous web, in particular a paper or board web |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10232550C5 (en) * | 2002-07-18 | 2013-02-07 | Voith Patent Gmbh | Apparatus and method for impregnating a paper or board web |
DE10316851B4 (en) * | 2003-04-11 | 2007-02-08 | Stora Enso Publication Paper Gmbh & Co. Kg | Process for treating a board web |
DE10343120A1 (en) * | 2003-09-17 | 2005-04-21 | Voith Paper Patent Gmbh | Method for coating a material web |
DE10358414A1 (en) * | 2003-12-13 | 2005-07-07 | Voith Paper Patent Gmbh | coater |
FI20045110A (en) * | 2004-03-30 | 2005-10-01 | Metso Paper Inc | Process for making coated fiber web |
DE102004022416B4 (en) * | 2004-05-06 | 2013-02-21 | Voith Patent Gmbh | Method and device for treating a web of paper or cardboard |
WO2006003263A1 (en) * | 2004-07-02 | 2006-01-12 | Metso Paper, Inc. | Method and apparatus for coating a fibrous web |
JP2014208934A (en) * | 2013-03-28 | 2014-11-06 | 日本製紙株式会社 | Coated white paperboard and production method thereof |
DE102020112932B4 (en) | 2020-05-13 | 2022-03-24 | Voith Patent Gmbh | fiber web smoothing |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE9500949L (en) * | 1995-03-16 | 1996-07-08 | Korsnaes Ab | Coated cardboard for shaped articles, production line for production of coated cardboard, method for making coated cardboard and ways to reduce the cracking propensity when folding a coated cardboard |
DE19545408C5 (en) * | 1995-12-06 | 2004-01-22 | Voith Sulzer Papiermaschinen Gmbh | Process for the surface finishing of a cardboard web |
FI115649B (en) * | 1998-06-10 | 2005-06-15 | Metso Paper Inc | Method of making paper and paper machine |
FI104745B (en) * | 1998-06-25 | 2000-03-31 | Valmet Corp | Method and apparatus for calendering paper and cardboard |
FI991096A (en) * | 1999-05-12 | 2000-11-13 | Valmet Corp | A process for producing paper, in particular fine paper, and a paper machine line, in particular for producing fine paper |
FI991108A (en) * | 1999-05-14 | 2000-11-15 | Valmet Corp | Method and apparatus for the manufacture of calendered paper or calendered paperboard |
-
2001
- 2001-12-12 FI FI20012446A patent/FI111281B/en not_active IP Right Cessation
-
2002
- 2002-11-15 AU AU2002338999A patent/AU2002338999A1/en not_active Abandoned
- 2002-11-15 WO PCT/FI2002/000908 patent/WO2003050352A1/en not_active Application Discontinuation
- 2002-11-15 DE DE10297514T patent/DE10297514T5/en not_active Withdrawn
- 2002-11-15 CN CN 02824504 patent/CN1284901C/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103025958A (en) * | 2010-07-28 | 2013-04-03 | 沃依特专利有限责任公司 | Process for producing a fibrous web, in particular a paper or board web |
Also Published As
Publication number | Publication date |
---|---|
AU2002338999A1 (en) | 2003-06-23 |
FI111281B (en) | 2003-06-30 |
WO2003050352A1 (en) | 2003-06-19 |
FI20012446A0 (en) | 2001-12-12 |
DE10297514T5 (en) | 2004-11-18 |
CN1284901C (en) | 2006-11-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20061115 Termination date: 20151115 |
|
CF01 | Termination of patent right due to non-payment of annual fee |