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
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