Transverse direction zipper attaching apparatus and method
US6151868A · kind A · utility
16Cited by
9References
15Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 19, 1999 |
| Grant date | Nov 28, 2000 |
| Priority date | — |
| Expiry date | Jan 19, 2019 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65B61/188
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A funnel for a form-fill-seal (FFS) machine configured to make transverse-zippered reclosable packages from a continuous supply of thermoplastic film having a plurality of zipper strips transversely sealed thereto at package length intervals is provided. The funnel includes a lower surface a contoured to keep the zipper profiles substantially parallel to each other as the thermoplastic film is fed over the FFS machine forming collar and folded around the FFS machine filling tube. A method and apparatus for making transverse zippered reclosable packages is also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.