Closure device for containers
US6145688A · kind A · utility
135Cited by
9References
26Claims
0Family size
Inventor
Key dates
| Filing date | Jul 16, 1997 |
| Grant date | Nov 14, 2000 |
| Priority date | — |
| Expiry date | Jul 16, 2017 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S215/03
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An injection molded assembly forming a sealing device for a threaded or non-threaded container using a double cap concept with pressure responsive convex sealing; also disclosed is a wiping mechanism, a one piece construction, a tamper resistant construction, a limited air exchange construction while allowing easy access to fluid contents, a sterile air venting and filter construction, a one piece tamper evident closure with a tethered container, and a frangible thether means molded with the formation of the sealing device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.