Flat top end closure for liquid containers
US4422570A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Aug 26, 1982 |
| Grant date | Dec 27, 1983 |
| Priority date | — |
| Expiry date | Aug 26, 2002 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D5/062
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
The drawings and description disclose a flat top end closure for a liquid carrying container, which does not include the usual, well-known gable top characteristics. The flat top end closure includes two oppositely disposed outer closure panels which are adapted to lie flat on top of the underlying fold-in panels and wherein one is longer and overlaps the edge portion of the other shorter one, with the longer one including a lift tab for lifting a portion of the pour spout from its flat attitude during the opening process, and two oppositely disposed, three-segment fold-in panels, one of which serves as the pour spout when opened and includes a lift tab on one of its segments for first lifting a portion of the pour spout from its flat attitude during the opening process, and then opening the full pour spout in such a manner that the pouring lip need not be handled. Each of the three-segment fold-in panels includes a substantially triangular panel portion defined by converging diagonal score lines extending from the upper edge of the tubular container body, and a pair of fold-back panels integrally connected to and folded between the substantially triangular panel portion and the re…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.