| 发明名称 |
Sealing rings having an insert of water-swellable plastic |
| 摘要 |
The invention relates to sealing rings having an insert of water-swellable plastic and is characterized in that the non-swellable plastic is designed partly as a movable braid which protects the swellable plastic and, after pressing together, is adapted over the entire profile of the ring.
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| 申请公布号 |
DE3539595(A1) |
申请公布日期 |
1987.05.14 |
| 申请号 |
DE19853539595 |
申请日期 |
1985.11.08 |
| 申请人 |
HANSEATISCHE ISOLIERMITTEL GMBH & CO |
发明人 |
E.W.,DIPL.-ING. GUNIA,KLAUS |
| 分类号 |
E03F3/04;F16J15/06;F16J15/16;F16L21/035;(IPC1-7):F16L21/02;E03C1/122;F16J15/10 |
主分类号 |
E03F3/04 |
| 代理机构 |
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代理人 |
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| 主权项 |
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