发明名称 |
Underdrain apparatus |
摘要 |
A filter underdrain apparatus and a method for manufacturing such apparatus. The apparatus includes a cover member, a water orifice member and a bottom member, each being individual pieces. The cover is placed over the water orifice member and connected thereto by welding. The bottom member is likewise connected to the cover and water orifice members by welding. A water passageway and an air passageway are defined in the inside of the assembled members. Water egress from the water passageway is provided by holes in the water orifice member and the cover. Air egress from the air passageway is provided by holes in the cover.
|
申请公布号 |
US6797166(B1) |
申请公布日期 |
2004.09.28 |
申请号 |
US20000561767 |
申请日期 |
2000.04.29 |
申请人 |
NEWTECH FILTER SYSTEMS, INC. |
发明人 |
HAMBLEY PHILIP;HAMBLEY DAVID M.;CAROTHERS COLE;BASSETT, II GOVERT |
分类号 |
B01D24/00;(IPC1-7):B01D24/38 |
主分类号 |
B01D24/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|