Reinforced cross-laminated bulk container
US8469258B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 2, 2011 |
| Grant date | Jun 25, 2013 |
| Priority date | — |
| Expiry date | Dec 2, 2031 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D19/20
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A reinforced cross laminated corrugated paperboard bulk container has an outer component and an inner liner laminated to the outer component with the liner having corrugations extending perpendicular to the corrugations in the outer component. The bottom edges of the sidewalls include a first pair of flaps and a second pair of flaps each of which foldably extend outwardly therefrom and wherein each of the second pair of flaps having a pair of spaced apart triangularly shaped slots formed therein and wherein each of the first pair of flaps includes a pair of locking tabs formed on opposed end of the respective first pair of flaps which are engaged with the slots on the second pair of the flaps to securely close the bottom of the container. Vertical scores in the liner are pre-broken prior to laminating it to the outer component.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.