Hollow product with localized relief for vacuum sealing
US8672159B2 · kind B2 · utility
2Cited by
39References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 1, 2008 |
| Grant date | Mar 18, 2014 |
| Priority date | — |
| Expiry date | Jul 21, 2029 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D81/2015
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A hollow vacuum packaging product in which a ring includes threads distributed around its periphery, and between which a sealing cap enters into engagement when the hollow product is opened/closed. In an evacuated closed condition of the hollow product, the sealing cap is configured to enter into engagement only in an interval between two consecutive threads, or in plural such consecutive intervals, but not in all of the intervals. Such a hollow product may be, as an example, a thermoplastic bottle or jar.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.