Vertical stand-up pouch quick change module
US6679034B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 30, 2002 |
| Grant date | Jan 20, 2004 |
| Priority date | — |
| Expiry date | Apr 30, 2022 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D75/30
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A vertical stand-up pouch, flat bottom bag, or flexible package, and method for manufacturing same, constructed with a quick change module modification to existing vertical form and fill packaging machines. The invention involves producing a vertical stand-up pouch or flat bottom bag from a single sheet of packaging film by creating one or two vertical creases along the packaging film tube prior to forming a transverse seal on the tube. Such creases are formed using fixed or stationary modifications to prior art vertical form, fill, and seal machines comprising, in part, a quick change module that easily installs on the base of a forming tube.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.