发明名称 |
Central heating pipe has insulating sleeve bound to it, to which corrugated outer sleeve is bound, corrugations having depth at least one fortieth of outer diameter of outer sleeve |
摘要 |
<p>Central heating pipe (10) has an insulating sleeve (20) bound to it. A corrugated outer sleeve (30) is bound to this. The corrugations have a depth which is at least one fortieth of the outer diameter of the outer sleeve.</p> |
申请公布号 |
DE20315754(U1) |
申请公布日期 |
2003.12.11 |
申请号 |
DE2003215754U |
申请日期 |
2003.10.09 |
申请人 |
REHAU AG + CO. |
发明人 |
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分类号 |
B32B1/08;F16L59/14;(IPC1-7):F16L59/00;B29C63/18;F16L9/14;F16L9/12;F16L9/06 |
主分类号 |
B32B1/08 |
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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