Reclosable storage bag closure with internal valving
US8176602B1 · kind B1 · utility
0Cited by
205References
13Claims
0Family size
Inventor
Key dates
| Filing date | May 24, 2011 |
| Grant date | May 15, 2012 |
| Priority date | — |
| Expiry date | May 24, 2031 |
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.