Self-closing adhesive-free resealable package
US6699541B2 · kind B2 · utility
4Cited by
28References
20Claims
0Family size
Inventors
Key dates
| Filing date | Aug 21, 2001 |
| Grant date | Mar 2, 2004 |
| Priority date | — |
| Expiry date | Oct 13, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31902
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A self-closing resealable packaging material formed from at least one sheet of a package forming material, which encloses and seals and article therein. A cohesive material is applied to surface portions of the packaging material so that when wrapped around an article cohesive portions stick together and seal the package. To make the package resealable a liner is placed upon at least a part of the cohesive material containing surface so that a non-adhering margin is formed and the unused cohesive can be utilized reseal the package after its initial opening.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.