One-piece tamper-evident closure system with a resealable, hinged lid
US6460712B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 2, 2001 |
| Grant date | Oct 8, 2002 |
| Priority date | — |
| Expiry date | Mar 4, 2021 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D2401/15
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A closure structure is provided for a container that has an opening to the container interior. The closure structure includes a closure base for extending around the container opening. A lid is provided on the closure base and is connected to the base by a hinge web. The hinge web has a first end connected to the closure base, a second end connected to the lid, and two sides which each extends between the first and second ends. A frangible, reduced-thickness section of material initially connects the lid to the closure base and initially connects both of the hinge web sides to the closure base or to the lid for initially holding the lid sealed closed at a tamper-evident, first closed position and for subsequently accommodating movement of the lid relative to the first closed position to break the frangible connection and become selectively located at one of the following positions: (1) a second closed position inwardly of the first closed position, and (2) an open position outwardly of both the first closed position and second closed position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.