| 发明名称 |
DRAIN SEALING DEVICE |
| 摘要 |
A drain seal for rapidly sealing the apertures in a drain grate, the drain seal composed of a mat of polymeric material and having a pair of opposing sealing surfaces and internally disposed reinforcement members to increase structural integrity.
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| 申请公布号 |
US2003053862(A1) |
申请公布日期 |
2003.03.20 |
| 申请号 |
US20010952737 |
申请日期 |
2001.09.14 |
| 申请人 |
SHAW MARK D.;HEYMAN J. TAD;BIERCE LAURENCE M. |
发明人 |
SHAW MARK D.;HEYMAN J. TAD;BIERCE LAURENCE M. |
| 分类号 |
E03F1/00;(IPC1-7):E02B13/02 |
主分类号 |
E03F1/00 |
| 代理机构 |
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