Reclosable flexible bags having fastener profiles attached to exterior walls thereof and a method of making same
US4787754A · kind A · utility
38Cited by
9References
13Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 1, 1988 |
| Grant date | Nov 29, 1988 |
| Priority date | — |
| Expiry date | Mar 1, 2008 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T24/45168
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
This invention provides a reclosable flexible bag having a tape of greater thickness around its opening portion. On the surfaces of the tape facing the bag, fastener profiles are provided to seal the bag by pinching the bag walls therebetween.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.