| 发明名称 |
FACING SHEET EDGE TRIMMING |
| 摘要 |
<p>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.</p> |
| 申请公布号 |
CA1107623(A) |
申请公布日期 |
1981.08.25 |
| 申请号 |
CA19770293392 |
申请日期 |
1977.12.19 |
| 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):28B11/18 |
主分类号 |
B24B9/00 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
