发明名称 |
Tube having holes and method for manufacturing the same. |
摘要 |
<p>A tube having holes formed at precise positions is obtained by preparing a tube in which a substantially black synthetic resin film portion (1) and a synthetic resin film portion (2) having a color other than substantially balck are formed alternately in its circumferential direction and then drilling the black synthetic resin film portion (1) by a laser beam (3).</p> |
申请公布号 |
EP0378335(B1) |
申请公布日期 |
1994.04.06 |
申请号 |
EP19900300183 |
申请日期 |
1990.01.08 |
申请人 |
MITSUI PETROCHEMICAL INDUSTRIES, LTD. |
发明人 |
OHE, TATSUYA MITSUI PETROCHEMICAL INDUSTRIES, LTD. |
分类号 |
A01G25/00;A01G25/02;B23K26/40;B29C47/04;F16L11/12;(IPC1-7):A01G25/02;B23K26/00;F16L11/00 |
主分类号 |
A01G25/00 |
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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