Aseptic container with tamper-resistant spout and blank therefor
US4591091A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jul 27, 1984 |
| Grant date | May 27, 1986 |
| Priority date | — |
| Expiry date | Jul 27, 2004 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D2231/022
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A parallelepipedic aseptic container and a blank therefor formed of a multilayer paperboard laminate material are disclosed. The laminate material comprises a paperboard layer with a thin layer of polyethylene on the outer side thereof and a layer of metal foil disposed between thin layers of polyethylene on the inner side of the paperboard layer. The container blanks are formed such that at one of the container side walls, in an area covered by a folded portion of the top wall, a small pentagonally-shaped opening is partially or completely precut from the paperboard layer before it is laminated to the other layers to form a weakened portion that can be easily cut away to form a pouring opening. Scorelines are formed in the side wall adjacent the weakened portion to cause the wall to project outwardly to facilitate pouring liquids through the opening. A drinking straw/sutting implement is provided with the container for use in cutting away the weakened portion and withdrawing the contents of the container.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.