Method of forming a container
US7462147B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 31, 2006 |
| Grant date | Dec 9, 2008 |
| Priority date | — |
| Expiry date | Dec 27, 2026 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB31B2120/00
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A method for forming a container having container side walls and a lid. The container side walls have end edges. The lid has a central panel, side panels attached to the central panel by score lines, and an annular crushed area conterminous with the score lines in the central panel. The liners and the corrugated material are crushed together in the crushed area. In the method the container walls are opened, the lid blank and the container walls are moved relative to each other until the end edges of the container side walls are aligned with the crushed area, the container side walls and the lid are moved relatively toward each other until the container side walls are seated in the crushed area, the lid side panels are folded onto the container side walls and fastened to the container side walls. In one embodiment the lid is of fiberboard material and the side walls of the container are aligned with the score lines of the lid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.