Container with easy open type closure
US4548333A · kind A · utility
Assignees
Inventors
Key dates
| Filing date | Nov 30, 1984 |
| Grant date | Oct 22, 1985 |
| Priority date | — |
| Expiry date | Nov 30, 2004 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D2517/0088
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
An easy open type closure for a container including a closure member made of at least a metallic foil sheet for being affixed together with a ring-shaped member to an edge of an opening of a container barrel body. A pull-opening member having a pulling tab connected to an initial end portion thereof and being connected to an upper surface of the closure member more firmly than a tearing strength of the closure member. The pulling tab is constructed thinner in thickness relative to the pull-opening member at least at a small thickness portion neighboring adjacent to an initial end of an interconnection portion between the pull-opening member and the closure member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.