发明名称 |
METHOD AND APPARATUS FOR CURTAIN COATING |
摘要 |
An apparatus for curtain coating, particularly for high-speed curtain coatin g of a continuous paper web substrate (12) is provided with a hopper means (14 ) providing one or more liquid coating materials in the form of a free-falling curtain (16) impinging the substrate (12) at a dynamic wetting line. Edge guide elements (22, 24) are arranged on both sides supplying a wetting or auxiliary liquid. Each guide element (22, 24) has at least one contact area of its surface directed towards said curtain, which contact area has a multiplicity of grooves (32) and ribs (34) extending along the length of sai d edge guide elements (22, 24).
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申请公布号 |
CA2469470(A1) |
申请公布日期 |
2003.06.19 |
申请号 |
CA20022469470 |
申请日期 |
2002.12.12 |
申请人 |
DOW GLOBAL TECHNOLOGIES INC. |
发明人 |
GUEGGI, MARKUS;VARLI, SEDAT |
分类号 |
B05C5/00;B05C5/02;(IPC1-7):B05C5/00 |
主分类号 |
B05C5/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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