Form-fill-seal deflation method and apparatus
US4964259A · kind A · utility
49Cited by
15References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 2, 1989 |
| Grant date | Oct 23, 1990 |
| Priority date | — |
| Expiry date | Aug 2, 2009 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65B9/2007
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A process and apparatus for forming, filling, sealing and deflating a package of goods prior to the time the fill opening is sealed includes a blast of air against the exterior flexible sidewalls of the package to thereby drive gas from the inside of the package.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.