发明名称 |
Förfarande vid framställning av avnötningsbeständiga härdplastlaminat |
摘要 |
The invention relates to an apparatus (1) for distribution of hard particles to the surface of a paper web (20) impregnated with resin. The apparatus includes a feed hopper (3), a rotating doctor-roll (2) placed under the feed hopper (3). The doctor-roll (2) is in spaced relation to said paper web (20) fed under the doctor-roll (2). There is a means for releasing the particles from the doctor-roll (2) and distributing them evenly on the fed paper web. Said means comprises an electrode arrangement (4). The electrode arrangement (4) is enclosed by a casing (5) provided with a downwards direction sliding plate (7). The invention also includes a process where the apparatus is used as well as particle coated paper produced by the process. |
申请公布号 |
SE509109(C2) |
申请公布日期 |
1998.12.07 |
申请号 |
SE19970001466 |
申请日期 |
1997.04.21 |
申请人 |
PERSTORP AB |
发明人 |
PER *VELIN;BRIAN *PERKINS;JAN OLOF *BENGTSSON;HENRIK *FROSTHAGEN |
分类号 |
B24D11/00;B32B37/24;B44C5/04;D21H17/51;D21H19/38;D21H23/64;D21H27/28;(IPC1-7):B05D1/04;B05B5/08;B32B31/12 |
主分类号 |
B24D11/00 |
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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