FI871002A - FOERFARANDE OCH ANORDNING FOER BELAEGGNING AV MATERIALBANA. - Google Patents

FOERFARANDE OCH ANORDNING FOER BELAEGGNING AV MATERIALBANA. Download PDF

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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
Application number
FI871002A
Other languages
Finnish (fi)
Other versions
FI81639C (en
FI81639B (en
FI871002A0 (en
Inventor
Martti Pullinen
Original Assignee
Valmet Paper Machinery Inc
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 Valmet Paper Machinery Inc filed Critical Valmet Paper Machinery Inc
Priority to FI871002A priority Critical patent/FI81639C/en
Publication of FI871002A0 publication Critical patent/FI871002A0/en
Publication of FI871002A publication Critical patent/FI871002A/en
Application granted granted Critical
Publication of FI81639B publication Critical patent/FI81639B/en
Publication of FI81639C publication Critical patent/FI81639C/en

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  • 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>
FI871002A 1987-03-06 1987-03-06 FOERFARANDE OCH ANORDNING FOER BELAEGGNING AV MATERIALBANA. FI81639C (en)

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)

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

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Owner name: VALMET PAPER MACHINERY INC