Package having sealed closing means
US4350263A · kind A · utility
55Cited by
2References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 19, 1980 |
| Grant date | Sep 21, 1982 |
| Priority date | — |
| Expiry date | Sep 19, 2000 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D77/2008
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A package comprising a container provided at its open top with a flange having portions of concave-convex configurations, a lid provided at the edge with a flange having portions of convex-concave configuration elastically interengaged with the concave-convex portion of the flange at the top of the container so as to mechanically lock the lid to the container and said lid being reinforced by a relatively stiff cover board die-cut to fit into the concave side of the flange at the edge of the lid and wherein portions of the flanges are united by sealing and a method of making the same.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.