发明名称 Procedure for coating a paper web
摘要 <p>The invention concerns a procedure for coating a paper web, in the procedure coating material being applied on the surface of the web being run at high speed and the coating being levelled by scraping. According to the procedure, levelling of the coating is carried out with the aid of a pre-doctor so that the quantity of coating remaining on the web is 12 to 30 g/m&lt;2&gt;, advantageously 12 to 20 g/m&lt;2&gt;, after levelling performed with the pre-doctor, steam is conducted onto the web surface, and the coating levelled with the pre-doctor is levelled a second time with the aid of a scraping doctor so that the quantity of coating remaining on the web, after levelling, is 6 to 14 g/m&lt;2&gt;.</p>
申请公布号 EP0687770(A2) 申请公布日期 1995.12.20
申请号 EP19950201470 申请日期 1995.06.06
申请人 OY KESKUSLABORATORIO - CENTRALLABORATORIUM AB 发明人 NIEMI, MARKKU;MANNSTROEM, MARKUS;POUHAKKA, MATTI;AALTO, OLLI
分类号 D21H25/08;(IPC1-7):D21H25/08;B05C11/02 主分类号 D21H25/08
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