| 发明名称 |
METHOD OF PIERCING A PLATE, OF ANY CONFIGURATION, WITH A VERY HIGH PERFORATION DENSITY AND PRODUCTS THUS OBTAINED |
| 摘要 |
The invention is directed to a method of forming a large number of holes in a given area. A plurality of tools spaced along X and Y axes are used to form holes simultaneously, and the tools are successively moved in steps to drill more holes.
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| 申请公布号 |
US5092715(A) |
申请公布日期 |
1992.03.03 |
| 申请号 |
US19900477622 |
申请日期 |
1990.02.09 |
| 申请人 |
SOCIETE DE CONSTRUCTION DES AVIONS HUREL-DUOBIS |
发明人 |
THERET, PATRICE J.;JOUAN, JEAN-ALAIN F. |
| 分类号 |
B23B35/00 |
主分类号 |
B23B35/00 |
| 代理机构 |
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