Method of forming a reclosable container with grip strip
US5009828A · kind A · utility
91Cited by
7References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 11, 1989 |
| Grant date | Apr 23, 1991 |
| Priority date | — |
| Expiry date | Oct 11, 2009 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D33/2508
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A method of forming a plurality of small ridges located in a strip across the lip of a reclosable plastic bag is provided. The method produces a wide ridged surface area to permit ready gripping of the lip of the bag when opening the bag and separating the reclosable feature.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.