| 发明名称 |
Liquid- and gas-sealed tube |
| 摘要 |
<p>The present invention is for a liquid- and gas-sealed spirally wound tube having a creased joint. The strips 6 are corrugated to a wavelike shape by rolling and are given an appearance and a cross-section profile having a number of ridges and grooves. Thereupon the band is spirally wound with overlap between adjacent winding turns. <IMAGE></p> |
| 申请公布号 |
EP0905427(A2) |
申请公布日期 |
1999.03.31 |
| 申请号 |
EP19980850144 |
申请日期 |
1998.09.17 |
| 申请人 |
NORDISKA SKORSTENSPRODUKTER AB |
发明人 |
JOHNSON, JAN |
| 分类号 |
F16L9/16;(IPC1-7):F16L9/16;F16L11/16 |
主分类号 |
F16L9/16 |
| 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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