Reclosable open mouth bag
US4946289A · kind A · utility
43Cited by
16References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 6, 1987 |
| Grant date | Aug 7, 1990 |
| Priority date | — |
| Expiry date | Feb 6, 2007 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D2313/02
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
In an open mouth bag, in which a primary closure is formed by folding down a lip of the rear panel and securing it to the front panel with means to release the lip from the front panel, an improved secondary closure of a reclosable fastening tape which can be repeatedly opened and reclosed after the lip has been released from the primary closure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.