| 发明名称 |
Drain valve core |
| 摘要 |
Various embodiments of a device for regulating a fluid flow are described that can include first and second downwardly-sloping valves that are biased in a closed position to prevent odors from escaping the device. The device can also include first and second downwardly-sloping valve seats, and configured such that an end portion of the first valve can be seated beneath the first valve seat and an end portion of the second valve can be seated beneath the second valve seat when the first and second valves are in a closed position, respectively. |
| 申请公布号 |
US9027172(B2) |
申请公布日期 |
2015.05.12 |
| 申请号 |
US201213356957 |
申请日期 |
2012.01.24 |
| 申请人 |
|
发明人 |
Fima Giovanni |
| 分类号 |
A47K1/14;E03D13/00;E03C1/298;E03C1/262 |
主分类号 |
A47K1/14 |
| 代理机构 |
Fish & Tsang, LLP |
代理人 |
Fish & Tsang, LLP |
| 主权项 |
1. A device for regulating a fluid flow through a drain, comprising:
a housing; an insert that is user-removable from the housing; downwardly-sloping first valve configured to be biased in a closed position, and having a diaphragm disposed about a post with radially decreasing rigidity; and wherein a bottom surface of the first valve comprises ribs configured to strenghthen the first valve. |
| 地址 |
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