Cleanroom filter unit
US6273926A · kind A · utility
2Cited by
11References
3Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 10, 2000 |
| Grant date | Aug 14, 2001 |
| Priority date | — |
| Expiry date | Jan 10, 2020 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S55/31
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A filter unit for airtight attachment to a framework of a cleanroom ceiling includes a filter, a circumferential wall surrounding the filter, and a downwardly projecting sealing knife to be received in a sealant containing groove formed in said framework. The sealing knife includes vertical weldable wall elements interconnected by welding and mounted on the circumferential wall by airtight mounting means.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.