Carton, carton blank and method for forming the carton
US5794812A · kind A · utility
45Cited by
24References
14Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 29, 1996 |
| Grant date | Aug 18, 1998 |
| Priority date | — |
| Expiry date | Oct 29, 2016 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB31B2105/001
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A carton, formed from a unitary sheet of a relatively rigid material having a sheet of a relatively flexible fluid impervious material secured thereto and wherein a top portion of the sheet of a relatively flexible fluid impervious material extends upwardly from a common plane formed below the fold lines of the top panels of the unitary sheet of a relatively rigid material, wherein the top portion of the sheet of a relatively flexible fluid impervious material has facing surfaces adjacent to the top edge thereof that can be folded over two times to form a folded portion lying substantially in a plane parallel to the common plane.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.