Vertical stand-up pouch
US6722106B2 · kind B2 · utility
25Cited by
15References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 18, 2002 |
| Grant date | Apr 20, 2004 |
| Priority date | — |
| Expiry date | Mar 18, 2022 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D75/008
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A vertical stand-up pouch or flexible package, and method for manufacturing same, constructed by modification to existing vertical form and fill packaging machines. The invention involves producing a vertical stand-up pouch from a single sheet of packaging film by creating a vertical crease along one edge of a packaging film tube prior to forming a transverse seal on the tube. Said vertical crease is formed using a stationary tucker bar positioned outside the packaging film tube and between two forming plates positioned inside the packaging film tube.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.