Profile and adjacent rib-type closure element for reclosable thermoplastic bags
US5192135A · kind A · utility
50Cited by
8References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 31, 1991 |
| Grant date | Mar 9, 1993 |
| Priority date | — |
| Expiry date | May 31, 2011 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T24/45168
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A closure member for a reclosable plastic bag, including a longitudinally-extending profile interlockable with an opposing longitudinally-extending profile of a second closure member, and a pair of longitudinally-extending ribs located adjacent and generally parallel to the profile on either side of the profile, with the ribs each being characterized in cross-section by a lower generallly triangularly-shaped portion and by an upper bulbous portion defined generally at an apex of the lower generally triangularly shaped portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.