Unitary filter tank and an underdrain for filtering a body of water
US9108126B2 · kind B2 · utility
5Cited by
28References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 25, 2012 |
| Grant date | Aug 18, 2015 |
| Priority date | — |
| Expiry date | Oct 22, 2033 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29L2031/7172
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Exemplary embodiments include a unitary pool filter tank and/or an underdrain for a pool filter unit. Embodiments of the unitary pool filter tank can have an integrally formed housing and base. The filter tank can be formed using a blow molding process in which the base of the filter tank is includes a support section and a punted section that has an underdrain mounting member. Embodiments of the underdrain can be formed by interlocking top and bottom components. The top and bottom components can be interlocked by inter-component locking structures.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.