Container for fluids
US5657891A · kind A · utility
41Cited by
12References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 30, 1996 |
| Grant date | Aug 19, 1997 |
| Priority date | — |
| Expiry date | Apr 30, 2016 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D51/1616
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A container suitable for containing and dispensing fluid materials comprising a hollow body wherein said container comprises a sealing and venting system consisting of a perforated area (4) comprising one or more perforations of the container in combination with a fluid-impermeable but gas-permeable membrane applied to said perforated area (4) such as to provide a liquid-impermeable sealing means (1) and gas-permeable venting means characterized in that said membrane is treated to reduce its surface energy.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.