FI871002A - FOERFARANDE OCH ANORDNING FOER BELAEGGNING AV MATERIALBANA. - Google Patents
FOERFARANDE OCH ANORDNING FOER BELAEGGNING AV MATERIALBANA. Download PDFInfo
- Publication number
- FI871002A FI871002A FI871002A FI871002A FI871002A FI 871002 A FI871002 A FI 871002A FI 871002 A FI871002 A FI 871002A FI 871002 A FI871002 A FI 871002A FI 871002 A FI871002 A FI 871002A
- Authority
- FI
- Finland
- Prior art keywords
- coating
- material web
- materialbana
- substance
- web
- Prior art date
Links
Landscapes
- Coating Apparatus (AREA)
- Paper (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention concerns a method for coating a material web, like a paper or cardboard web. In the method the material web is passed through a coating nip N1, N2, that is formed in a rotating counter roll 10 and a coating sheet, leveling device for a corresponding device 20, 40, 50. In conjunction with the material web being coated a coating substance is introduced in front of said nip N1, N2. It is essential for the method according to the invention that in conjunction with the material web being coated at least two coating substances are introduced with different properties in successive coating steps. This prevents air from coming into contact with the coating formed on the surface of the material web between the successive coating steps. In order to close the pores on the surface of the material web a first coating substance is introduced in the first coating step, whose water content is very low and whose corresponding content of solids is high. After the first coating stage, to produce the final surface of the material web, of a coating substance or substances is/are introduced with the desired content of solids on the surface of the material web. The invention also concerns an arrangement for carrying out the method. <IMAGE>
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI871002A FI81639C (en) | 1987-03-06 | 1987-03-06 | FOERFARANDE OCH ANORDNING FOER BELAEGGNING AV MATERIALBANA. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI871002A FI81639C (en) | 1987-03-06 | 1987-03-06 | FOERFARANDE OCH ANORDNING FOER BELAEGGNING AV MATERIALBANA. |
FI871002 | 1987-03-06 |
Publications (4)
Publication Number | Publication Date |
---|---|
FI871002A0 FI871002A0 (en) | 1987-03-06 |
FI871002A true FI871002A (en) | 1988-09-07 |
FI81639B FI81639B (en) | 1990-07-31 |
FI81639C FI81639C (en) | 1990-11-12 |
Family
ID=8524085
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI871002A FI81639C (en) | 1987-03-06 | 1987-03-06 | FOERFARANDE OCH ANORDNING FOER BELAEGGNING AV MATERIALBANA. |
Country Status (1)
Country | Link |
---|---|
FI (1) | FI81639C (en) |
-
1987
- 1987-03-06 FI FI871002A patent/FI81639C/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
FI81639C (en) | 1990-11-12 |
FI81639B (en) | 1990-07-31 |
FI871002A0 (en) | 1987-03-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM | Patent lapsed |
Owner name: VALMET PAPER MACHINERY INC |