Flat top container and blank for constructing same
US4702407A · kind A · utility
14Cited by
6References
14Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 30, 1986 |
| Grant date | Oct 27, 1987 |
| Priority date | — |
| Expiry date | May 30, 2006 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S229/925
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A flat top, thermoplastic coated, paperboard container having weakened lines formed thereon such that the top may be fully opened by breaking through a weakened line at the front and progressively breaking the weakened lines along the sides upon peeling back the cover panel, to provide access to the contents. Provisions are included for covering the weakened lines on the inside of the container to prevent leakage.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.