Cardboard box having an expandable volume
US7721940B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 17, 2007 |
| Grant date | May 25, 2010 |
| Priority date | — |
| Expiry date | Oct 28, 2027 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D5/328
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A box for packaging objects, said box including a first belt made up of four vertical panels and terminated by a return tab, each vertical panel being extended by two opposite side flaps designed so that, once they have been folded over at right angles, they form a bottom and a first top for said box, each of at least two of the side flaps having a cutout on a fold line parallel to its outside edge, which cutout enables a tongue to be detached from said flap, said box further including a second belt made up of four other vertical panels and terminated by another return tab, each vertical panel being extended by a single other side flap designed to form a second top for the box, each of two other side flaps being provided with at least one opening or at least one notch for receiving said tongues.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.