Plastic bag with improved adhesive closure
US5476323A · kind A · utility
Inventor
Key dates
| Filing date | May 8, 1995 |
| Grant date | Dec 19, 1995 |
| Priority date | — |
| Expiry date | May 8, 2015 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02W30/80
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A plastic bag having a flap closed "permanently" when placed in contact with an adhesive deposited as a strip in facing relation to the flap, and prior thereto functioning to provide a reusable "temporary" closure when contacting only a nominal amount of the adhesive strip that is permitted to contact the flap through spaced openings in a release strip, the release strip being removed to expose the entire adhesive strip when converting from the temporary to the permanent flap closure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.