Method and apparatus for guiding and sealing split-flange zipper tape to bag making film
US7081176B2 · kind B2 · utility
1Cited by
8References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 17, 2006 |
| Grant date | Jul 25, 2006 |
| Priority date | — |
| Expiry date | Jan 17, 2026 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T156/1084
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A method and an apparatus for sealing a split-flange zipper tape in a center fold of a web of bag making film without sealing or tacking the two sides of the split zipper web together.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.