Stopper having a tamper-evident feature
US11897663B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Nov 12, 2020 |
| Grant date | Feb 13, 2024 |
| Priority date | — |
| Expiry date | Nov 12, 2040 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D2401/10
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
The invention includes a snap type plastic stopper having a closure shell with a roof wall and a tamper band to be secured on a bottle neck. The stopper includes a first weakness line with first bridges, where the first bridges separably link the bottom edge of the closure shell and the top edge of the tamper band; at least one hinge which extends through the first weakness line, where the hinge pivotably links the closure shell and the tamper band; and a tongue which is diametrically situated at the opposite of the hinge, where the tongue outwardly extends relative to a peripheral wall of the closure shell. The stopper also includes within the closure shell and/or tamper band at least one tamper evident feature such as a toggle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.