| 发明名称 |
DEVICE FOR MANUFACTURING PLASTIC RIBBED PIPES PROVIDED WITH OPENINGS IN THE WALL THEREOF |
| 摘要 |
<p>A method for manufacturing corrugated plastic tube by subjecting an internally unsupported corrugated plastic tube, at a temperature between 30 DEG and 70 DEG C, to the simultaneous action of at least two punching members in one or in two corrugations.</p> |
| 申请公布号 |
YU36267(B) |
申请公布日期 |
1982.06.18 |
| 申请号 |
YU19740001957 |
申请日期 |
1974.07.12 |
| 申请人 |
WAVIN BV |
发明人 |
LELOUX ARNOLDUS WILLEM JAN |
| 分类号 |
B26F1/02;B26F1/00;B29C37/00;B29C53/00;(IPC1-7):29C17/10 |
主分类号 |
B26F1/02 |
| 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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