Reclosable storage bag closure with internal valving
US7437805B2 · kind B2 · utility
36Cited by
201References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 23, 2006 |
| Grant date | Oct 21, 2008 |
| Priority date | — |
| Expiry date | Feb 1, 2027 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T24/45168
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A reclosable fastener having a one-way valve interposed between first and second sets of interlocking members permits fluid flow in one direction through the fastener and blocks fluid flow in an opposite direction through the fastener.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.