Tethered plastic stopper
US11820557B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 23, 2019 |
| Grant date | Nov 21, 2023 |
| Priority date | — |
| Expiry date | Sep 23, 2039 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D2401/40
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
The present invention relates to tethered plastic stopper having a tamper band having an offset wall, a closure shell having a peripheral wall, and a hinge connected to the closure shell and a bottom edge attached to the tamper band. The closure shell is also separably connected to the tamper band through a weakness line. The peripheral wall extends around a portion perimeter of the stopper forming a first end at one edge of the peripheral wall and a second end edge at the other edge of the peripheral wall. The offset wall extends between the first and second ends of the peripheral wall at the opposite of the hinge.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.