Preservation container for food and the like
US6513659B1 · kind B1 · utility
Assignees
Inventors
Key dates
| Filing date | Oct 2, 2000 |
| Grant date | Feb 4, 2003 |
| Priority date | — |
| Expiry date | Oct 2, 2020 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D77/225
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A preservation container for food and the like comprising a sealable container main body (2), to which a lid (3) is attached, an opening (5) connecting the inside and the outside is provided on the lid (3), and a gas non-permeable sheet (6) having a vent hole (7) at a position offset to the opening (5) is arranged to cover the opening (5). When the pressure inside the container is reduced, the sheet (6) is curved toward the inside at a part corresponding to the opening (5) and is adhered and retained on the outer surface of the lid (3).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.