Method of forming a reclosable tray
US4949527A · kind A · utility
45Cited by
7References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 29, 1989 |
| Grant date | Aug 21, 1990 |
| Priority date | — |
| Expiry date | Sep 29, 2009 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D77/30
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A tray for foodstuffs or the like having a continuous edge rim and a flexible cover placed over the top of the tray and sealed to the rim with an elongate continuous interlockable separate rib and groove profile on strips sealed to the surface of the cover wherein upstanding pull flanges above the rib and groove profiles may be pulled apart and the cover severed between the profiles for access to the contents so that the cover may be opened and closed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.