Carton with contoured, recessed bottom wall
US4020988A · kind A · utility
30Cited by
8References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 10, 1976 |
| Grant date | May 3, 1977 |
| Priority date | — |
| Expiry date | Jun 10, 1996 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D5/18
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A tubular carton is formed from paperboard and has a side wall formed from a pair of wall panels joined to each other at their edges. A bottom wall is foldably attached to a bottom edge of the sidewall. At least a portion of a fold line between the bottom wall and the side wall is curved providing contoured, recessed bottom wall when the carton is set up.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.