CA2107277A1 - Method and apparatus for two-side coating of a thin printing paper web made of mechanical pulp - Google Patents
Method and apparatus for two-side coating of a thin printing paper web made of mechanical pulpInfo
- Publication number
- CA2107277A1 CA2107277A1 CA 2107277 CA2107277A CA2107277A1 CA 2107277 A1 CA2107277 A1 CA 2107277A1 CA 2107277 CA2107277 CA 2107277 CA 2107277 A CA2107277 A CA 2107277A CA 2107277 A1 CA2107277 A1 CA 2107277A1
- Authority
- CA
- Canada
- Prior art keywords
- coating
- coat
- printing paper
- web
- mechanical pulp
- 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
- 239000011248 coating agent Substances 0.000 title abstract 5
- 238000000576 coating method Methods 0.000 title abstract 5
- 238000000034 method Methods 0.000 title abstract 3
- 229920001131 Pulp (paper) Polymers 0.000 title abstract 2
- 239000007888 film coating Substances 0.000 abstract 2
- 238000009501 film coating Methods 0.000 abstract 2
- 238000001035 drying Methods 0.000 abstract 1
- 239000000835 fiber Substances 0.000 abstract 1
Landscapes
- Paper (AREA)
Abstract
The invention relates to a method and apparatus for two-side coating of a light base weight printing paper web containing mechanical pulp or recycled fiber.
According to the method the first side of a web (5) is coated in a first coating station (1), the first-side coat is dried at least partially in a dryer unit (3), the second side of the web (5) is coated subsequent to the drying of the first side in a second coating station (2), and the second-side coat is dried at least partially in a second dryer unit (4).
According to the invention both the first-side coat and the second-side coat are formed by applying a required amount of coating mix onto the perimeter of a soft film-coating roll (22) and subsequently transferring said coat film to the web (5) in a nip (N1) formed between a backing roll (24) and said film-coating roll (22).
According to the method the first side of a web (5) is coated in a first coating station (1), the first-side coat is dried at least partially in a dryer unit (3), the second side of the web (5) is coated subsequent to the drying of the first side in a second coating station (2), and the second-side coat is dried at least partially in a second dryer unit (4).
According to the invention both the first-side coat and the second-side coat are formed by applying a required amount of coating mix onto the perimeter of a soft film-coating roll (22) and subsequently transferring said coat film to the web (5) in a nip (N1) formed between a backing roll (24) and said film-coating roll (22).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI924960A FI94883C (en) | 1992-11-03 | 1992-11-03 | Method and apparatus for double-sided coating of a thin printing paper web containing mechanical pulp |
FI924960 | 1992-11-03 |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2107277A1 true CA2107277A1 (en) | 1994-05-04 |
CA2107277C CA2107277C (en) | 2006-03-21 |
Family
ID=8536146
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA 2107277 Expired - Fee Related CA2107277C (en) | 1992-11-03 | 1993-09-29 | Method and apparatus for two-side coating of a thin printing paper web made of mechanical pulp |
Country Status (2)
Country | Link |
---|---|
CA (1) | CA2107277C (en) |
FI (1) | FI94883C (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6887584B2 (en) | 1999-03-12 | 2005-05-03 | Premark Rwp Holdings, Inc. | System and method for two sided sheet treating |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI96338C (en) * | 1994-04-19 | 1996-06-10 | Valmet Corp | Method and apparatus for double-sided coating of a printing paper web |
DE4414949A1 (en) * | 1994-04-28 | 1995-11-02 | Voith Gmbh J M | Device for applying at least one liquid medium to a running web of material |
FI109216B (en) | 1996-03-06 | 2002-06-14 | Metso Paper Inc | Method and apparatus for coating a running web |
FI115649B (en) | 1998-06-10 | 2005-06-15 | Metso Paper Inc | Method of making paper and paper machine |
FI121086B (en) * | 2004-12-31 | 2010-06-30 | Metso Paper Inc | Method for coating paper or board webs |
-
1992
- 1992-11-03 FI FI924960A patent/FI94883C/en not_active IP Right Cessation
-
1993
- 1993-09-29 CA CA 2107277 patent/CA2107277C/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6887584B2 (en) | 1999-03-12 | 2005-05-03 | Premark Rwp Holdings, Inc. | System and method for two sided sheet treating |
US6896971B2 (en) | 1999-03-12 | 2005-05-24 | Premark Rwp Holdings, Inc. | System and method for two sided sheet treating |
Also Published As
Publication number | Publication date |
---|---|
FI924960A0 (en) | 1992-11-03 |
FI924960A (en) | 1994-05-04 |
CA2107277C (en) | 2006-03-21 |
FI94883B (en) | 1995-07-31 |
FI94883C (en) | 1995-11-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKLA | Lapsed |