Container fabrication method
US5683339A · kind A · utility
15Cited by
24References
2Claims
0Family size
Inventors
Key dates
| Filing date | Nov 13, 1996 |
| Grant date | Nov 4, 1997 |
| Priority date | — |
| Expiry date | Nov 13, 2016 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D5/061
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
The bottom of a paperboard container of the type suitable for consumer distribution of liquid foods such as milk and fruit juice includes an embossed concavity to reinforce the bottom against bulging under content fill pressure for improved free-standing stability. The carton bottom concavity is embossed to approximate the shape of a stepped pyramid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.