Recloseable paperboard container with optional closure means
US5366141A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Feb 14, 1994 |
| Grant date | Nov 22, 1994 |
| Priority date | — |
| Expiry date | Feb 14, 2014 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D2203/00
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A recloseable paperboard container includes a bottom wall, opposing front and back walls, and opposing side walls. The back wall includes a first major top flap connected to an upper transverse edge of the back wall, the first major top flap having a top edge lock tab protruding from an outer edge of the first major top flap. The front wall includes a second major top flap connected to an upper transverse edge of the front wall, the second major top flap having a top edge slit disposed on the upper transverse edge of the front wall. The container is sealed either by securing the second major top flap over the first major top flap using adhesive, or by securing the first major top flap over the second major top flap through engagement of the top edge lock tab with the top edge slit. An integral tear strip extends across the second major top flap and is used to open a container sealed by securing the second major top flap over the first major top flap. After the container is initially opened, it is reclosed by engaging the top edge lock tab with the top edge slit. A minor top flap includes a "broken set" tab for indicating that the container has been previously opened and that a prod…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.