Container and sidewall blank therefor
US4201328A · kind A · utility
4Cited by
8References
38Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 31, 1979 |
| Grant date | May 6, 1980 |
| Priority date | — |
| Expiry date | Jan 31, 1999 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T83/929
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A convolute sidewall container of paperboard or the like having an outwardly rolled top rim and a closed bottom, the container comprising a one-piece sidewall blank of generally rectangular shape having top and bottom edges, first and second side edges, and four corner edges. The four corner edges are so configured as to facilitate production blanking operations and the formation of the outwardly rolled top rim without bulges, splits, tails or torn places in and around the overlapped portion of the rolled top rim.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.