Carton equipped with liquid pouring-out device
US4948015A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 21, 1988 |
| Grant date | Aug 14, 1990 |
| Priority date | — |
| Expiry date | Sep 21, 2008 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D2251/0093
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A carton container to be filled with liquids such as beverages, comprises a wall structure of liquid impermeable property, a liquid pouring-out device fixed to a mounting aperture of the wall structure through which device the liquid is poured out, a gas barrier layer provided in said wall structure to prevent gas within the container from passing through the wall structure to the outside, and a gas barrier film provided across the liquid pouring-out device to prevent gas within the container from escaping through the pouring-out device, the gas barrier layer and the gas barrier film being overlapped or continuous when seen in outside-to-inside direction with respect to the wall structure, whereby gas within the container does not escape to the outside even after elapse of a prolonged period of time.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.