Box and blank made from cardboard sheet with convex centring devices
US11208233B2 · kind B2 · utility
0Cited by
1References
13Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 3, 2016 |
| Grant date | Dec 28, 2021 |
| Priority date | — |
| Expiry date | Nov 28, 2036 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D5/003
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A box and a blank or a set of blanks made from corrugated cardboard sheet comprising side walls, a top wall linked to at least two of said opposing side walls by a junction line or a folded edge, and a bottom wall forming the bottom of the box. The top wall comprises at least two convex portions comprising a projecting part, and the bottom comprises at least two perforated surface portions of complementary shape arranged to engage with the projecting parts of the box below. Each convex portion comprises an oblique triangular or substantially triangular panel belonging partly to a side wall or a folded edge.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.