| 发明名称 |
SETT OCH ANORDNING FOR FORMNING AV EN MUFFENDE PA ETT PLASTROR |
| 摘要 |
<p>A bell and spigot pipe joint including a bell end having a locked in sealing gasket and a thickened cross-sectional configuration is disclosed herein. A method and an assembly for making the bell end with its thickened cross-sectional configuration and with the sealing gasket locked in place are also disclosed herein.</p> |
| 申请公布号 |
SE7808790(A) |
申请公布日期 |
1979.02.23 |
| 申请号 |
SE19780008790 |
申请日期 |
1978.08.21 |
| 申请人 |
* JOHNS-MANVILLE CORPORATION |
发明人 |
D W * FRENCH |
| 分类号 |
F16L21/02;B29C53/00;B29C57/02;B29C65/00;B29C65/02;B29C65/78;(IPC1-7):16L21/02 |
主分类号 |
F16L21/02 |
| 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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