Flat mail sleeve packaging and method of use
US7225924B2 · kind B2 · utility
1Cited by
23References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 26, 2002 |
| Grant date | Jun 5, 2007 |
| Priority date | — |
| Expiry date | Apr 21, 2023 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D85/62
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A flat mail sleeve packaging system which is adapted to stack product in a constrained homogenous mass. The system includes a first constraining wall and a second constraining wall. The second constraining wall is positioned with respect to the first constraining wall at a substantially perpendicular angle thereto. The first and second constraining walls are adapted for having the product placed therebetween with bound edges of the product all facing in a same direction without collapsing. A third constraining wall may also be provided forming a “U” shape with the first and second constraining walls.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.