Flask vent and method of making same
US6170684A · kind A · utility
9Cited by
17References
6Claims
0Family size
Inventors
Key dates
| Filing date | Feb 26, 1996 |
| Grant date | Jan 9, 2001 |
| Priority date | — |
| Expiry date | Feb 26, 2016 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S215/03
- WIPO fieldBiotechnology
- WIPO sectorChemistry
Abstract
A closure (20) for sealing a micro-organism container (50) is disclosed. The closure (20) includes a resilient seal (24) for sealing the container (50), a passageway (26) extending through the seal (24), or filter media (28) extending across the passageway (26) integrally molded to the seal (24) for allowing sterile gas exchange therethrough. A method of making a flask closure (20) is also disclosed. The method includes molding a sealing member (24) having a passageway (26) extending therethrough while simultaneously sealing a peripheral edge (31) of a filter media (28) within the passageway (26).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.