| 发明名称 |
Method for obtaining a compound clamping ring and a compound clamping ring so obtained |
| 摘要 |
A clamping ring in a joint sleeve for pipes, with a compound structure comprising a metal tooth among synthetic material teeth on an inner surface of the ring. In this way said ring assures an efficient clamping effect, without the drawbacks met by hard metal rings with respect to synthetic material rings. |
| 申请公布号 |
US4140324(A) |
申请公布日期 |
1979.02.20 |
| 申请号 |
US19760749758 |
申请日期 |
1976.12.13 |
| 申请人 |
F.I.P. FORMATURA INIEZIONE POLIMERI S.P.A. |
发明人 |
MULAS, PIERO;LEONCINI, CARMELO |
| 分类号 |
F16L21/00;B29C65/08;B29C65/56;F16L19/08;F16L19/12;F16L37/092;(IPC1-7):16J15/12 |
主分类号 |
F16L21/00 |
| 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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