Tethered plastic stopper
US11613412B2 · kind B2 · utility
0Cited by
0References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 9, 2019 |
| Grant date | Mar 28, 2023 |
| Priority date | — |
| Expiry date | Dec 10, 2039 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D55/16
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
The present invention relates to a tethered screw plastic stopper, comprising a tamper shell positioned around the stopper. The tamper shell includes a retaining feature operable to cooperate with a top ring extending outwardly around a bottle neck. The stopper also includes a roof connected to the tamper shell through a hinge and separably connected to the tamper shell through a weakness line, wherein the tamper shell may be moved downwardly in rotation into an opened position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.