Quick collapse paperboard container
US5671883A · kind A · utility
14Cited by
8References
3Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 28, 1996 |
| Grant date | Sep 30, 1997 |
| Priority date | — |
| Expiry date | Jun 28, 2016 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D2565/385
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A paperboard container has opposed or weakened lines extending from top to bottom in a pair of end walls. The weakened lines are spaced inwardly from the corners of the container. To collapse the container for retrieval and recycling the tops of the end walls are grasped and sufficient force exerted causing the weakened lines to tear from top to bottom.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.