| 发明名称 |
METHOD OF AND APPARATUS FOR MANUFACTURING TUBE HAVING HOLES |
| 摘要 |
It is an object of the present invention to provide a tube with precise holes. The side of a tube is drilled at predetermined intervals by a laser beam while the tube is being conveyed in its longitudinal direction in a tubular state. In consequence, manufacture is facilitated, and the precise holes can be drilled.
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| 申请公布号 |
CA2006853(C) |
申请公布日期 |
1994.05.17 |
| 申请号 |
CA19892006853 |
申请日期 |
1989.12.28 |
| 申请人 |
MITSUI PETROCHEMICAL INDUSTRIES, LTD., |
发明人 |
OHE, TATSUYA;FUJIMURA, MITSUAKI |
| 分类号 |
B23K26/08;(IPC1-7):B23K26/00 |
主分类号 |
B23K26/08 |
| 代理机构 |
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