FI952653A - Method and arrangement for scraping pavement from track - Google Patents

Method and arrangement for scraping pavement from track Download PDF

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Publication number
FI952653A
FI952653A FI952653A FI952653A FI952653A FI 952653 A FI952653 A FI 952653A FI 952653 A FI952653 A FI 952653A FI 952653 A FI952653 A FI 952653A FI 952653 A FI952653 A FI 952653A
Authority
FI
Finland
Prior art keywords
air
web
coating mixture
scraping
pavement
Prior art date
Application number
FI952653A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI98394C (en
FI952653A0 (en
FI98394B (en
Inventor
Markku Graosten
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 FI952653A priority Critical patent/FI98394C/en
Publication of FI952653A0 publication Critical patent/FI952653A0/en
Publication of FI952653A publication Critical patent/FI952653A/en
Application granted granted Critical
Publication of FI98394B publication Critical patent/FI98394B/en
Publication of FI98394C publication Critical patent/FI98394C/en

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Landscapes

  • Application Of Or Painting With Fluid Materials (AREA)
  • Road Repair (AREA)
  • Road Paving Machines (AREA)

Abstract

This invention concerns a method for evening out the coating mixture and for separation of surplus coating mixture on a paper or cardboard web. Ordinary scraper blades and bars or an air doctor 4 are used to scrape off the coating mixture. When an air doctor process is used, the coating mixture applied to the web 1 is evened out on the surface of the web 1 by blowing air at high speed from the narrow slot 16 in the air doctor 4 against the web 1. Since the impulse force of the air is low, according to the invention a solid substance is mixed into the air jet in order to improve the scraping effect. <IMAGE>
FI952653A 1995-05-31 1995-05-31 Method and apparatus for scraping the coating butter from a web FI98394C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FI952653A FI98394C (en) 1995-05-31 1995-05-31 Method and apparatus for scraping the coating butter from a web

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI952653A FI98394C (en) 1995-05-31 1995-05-31 Method and apparatus for scraping the coating butter from a web
FI952653 1995-05-31

Publications (4)

Publication Number Publication Date
FI952653A0 FI952653A0 (en) 1995-05-31
FI952653A true FI952653A (en) 1996-12-01
FI98394B FI98394B (en) 1997-02-28
FI98394C FI98394C (en) 1997-06-10

Family

ID=8543506

Family Applications (1)

Application Number Title Priority Date Filing Date
FI952653A FI98394C (en) 1995-05-31 1995-05-31 Method and apparatus for scraping the coating butter from a web

Country Status (1)

Country Link
FI (1) FI98394C (en)

Also Published As

Publication number Publication date
FI98394C (en) 1997-06-10
FI952653A0 (en) 1995-05-31
FI98394B (en) 1997-02-28

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