Low force closure filter with integral seal
US6568540B1 · kind B1 · utility
74Cited by
18References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 13, 2000 |
| Grant date | May 27, 2003 |
| Priority date | — |
| Expiry date | Dec 13, 2020 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2271/02
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A filter (12) has a resiliently compressible thermally and chemically resistive combined unitary frame and gasket member (22) extending along its perimeter (18) and supporting a filter media element (16) and sealed to both the filter media element and the housing (20). One or more flange portions (34, 72, 94, 96, 118, 130) have one or more hollow channels (36, 74, 90, 92, 120, 132) deformed by engagement with the housing and reducing required closure force of the housing thereagainst.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.