Method of making flexible packages having slide closures
US8122687B2 · kind B2 · utility
9Cited by
178References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 31, 2003 |
| Grant date | Feb 28, 2012 |
| Priority date | — |
| Expiry date | Nov 27, 2024 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB31B70/8132
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
Horizontal form fill seal apparatus for making flexible packages with slider fastener closures is provided. Various types of fastener tracks are applied in-line with a plastic web and are bonded thereto. All package components are brought together at the point of fill. Flexible packages are provided with shrouded and unshrouded slide fastener closures.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.