Vertical pouch machine
US7191575B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 27, 2004 |
| Grant date | Mar 20, 2007 |
| Priority date | — |
| Expiry date | Apr 27, 2024 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65B61/02
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A vertical form fill and seal continuous pouch machine includes a forming tube having a cross section area of CA is disclosed. A film tube is continuously formed about the forming tube and fed downward. A horizontal sealing assembly includes at least one pair of opposing sealing bars that make horizontal seals on the film, thereby forming pouches. The horizontal seals are formed in a horizontal sealing zone, and the vertical distance from a lower end of the forming tube to the center of the horizontal sealing zone is a transition distance that is (in inches) preferably no more than 0.5 multiplied by the cross-section area (in sq. inches).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.