Lap sealable film with a peel layer
US6913809B2 · kind B2 · utility
19Cited by
37References
17Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 27, 2003 |
| Grant date | Jul 5, 2005 |
| Priority date | — |
| Expiry date | Jun 27, 2023 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31938
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A lap sealable film for forming bags on conventional vertical form/fill/seal equipment containing a seal layer and a barrier layer. The seal layer and barrier layer form opposing surfaces of the film. The seal layer contains single site catalyzed polyethylene and is capable of sealing to the barrier layer. The barrier layer comprises a heat resistant and moisture barrier material, such as high density polyethylene or polypropylene.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.