Multi-sided container
US5419486A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 13, 1993 |
| Grant date | May 30, 1995 |
| Priority date | — |
| Expiry date | Jul 13, 2013 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S229/906
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A multi-sided container for storing and heating food prepared from a blank of paperboard includes a bottom panel and upstanding end, corner and side walls. A first set of angular panels are connected to the corner walls and the base panel. The first angular panels overlap and are bonded to the base panel. A second set of angular panels are connected to the first angular panels and to the end walls. The second angular panels overlap and are bonded to the end walls. Vertical flange extensions extending from the corner walls and the second angular panels overlap and are bonded together with the raw edges facing away from the container.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.