| 发明名称 |
Plastic tube part, particularly thermoplastic tube part |
| 摘要 |
Thermoplastic tube part provided with a polyurethan foam layer with closed skin and containing an inorganic filler for reducing sound production during flow of water through such tube parts.
|
| 申请公布号 |
US4206785(A) |
申请公布日期 |
1980.06.10 |
| 申请号 |
US19780894005 |
申请日期 |
1978.04.27 |
| 申请人 |
WAVIN B V |
发明人 |
GRAAFMANN, JURGEN;SETZER, EBERHART |
| 分类号 |
F16L9/12;F16L55/033;(IPC1-7):F15D1/00 |
主分类号 |
F16L9/12 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
