Pack made of compound foil and corresponding production method
US5000321A · kind A · utility
8Cited by
11References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 29, 1989 |
| Grant date | Mar 19, 1991 |
| Priority date | — |
| Expiry date | Sep 29, 2009 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D75/26
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A package for holding commodities is fabricated from a multilayer compound foil material. The package includes at least one transversely extending closure seam and an opening arrangement positioned adjacent the closure seam. The opening arrangement includes at least one generally line-shaped opening section in which the compound foil is weakened in comparison to areas adjoining the opening section in order to facilitate a guided opening of the opening arrangement.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.