发明名称 |
Facing sheet edge trimming |
摘要 |
Plastic sheet material, laminated to the front face and side edges of wallboard, having excess sheet width at each side edge, is uniformly and rapidly trimmed to a neat skived edge which becomes firmly adhered to the wallboard edge, by abrading through the sheet material with a rotary abrader such as a nylon brush.
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申请公布号 |
US4065333(A) |
申请公布日期 |
1977.12.27 |
申请号 |
US19770783155 |
申请日期 |
1977.03.31 |
申请人 |
NATIONAL GYPSUM COMPANY |
发明人 |
LAWLIS, JOHN L.;RODGERS, BERNARD L.;WINKOWSKI, DANIEL A. |
分类号 |
B24B9/00;B24B9/20;B24D13/10;B29C63/04;B29C65/74;(IPC1-7):B32B31/00;B24B1/00 |
主分类号 |
B24B9/00 |
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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