Method of manufacturing packages incorporating easy-open strips
US7395642B2 · kind B2 · utility
13Cited by
26References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 5, 2004 |
| Grant date | Jul 8, 2008 |
| Priority date | — |
| Expiry date | Jun 19, 2026 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D75/66
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A method of manufacture comprising the following steps: (a) guiding a web material in a machine direction through a vertical form-fill-seal (VFFS) machine with a portion of the web material being wrapped around a tube; (b) joining first and second portions of a closure tape to first and second fin portions of the web material that do not form part of the portion of the web material that is wrapped around the tube, the closure tape being rupturable and not reclosable; (c) cross sealing the web material at a location downstream from the tube; and (d) dropping product through the tube and onto the most recently formed cross seal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.