Closure device for containers
US6375028B1 · kind B1 · utility
103Cited by
14References
31Claims
0Family size
Inventor
Key dates
| Filing date | Aug 23, 2000 |
| Grant date | Apr 23, 2002 |
| Priority date | — |
| Expiry date | Aug 23, 2020 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S215/03
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An improved sealing device for a container is provided with a sealing member that varies the sealing capacity of the device in response to pressure changes within the container. The sealing member is further provided with very small vent channels that aid in the sterile air venting of the container. In further embodiments, the sealing device is constructed with a pipette tip wiping mechanism, a tamper evident tethered one piece assembly, filtering capability and the ability to store chemicals, tissue samples etc. in the closure itself for ease of testing and/or evaluations.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.