Tamper evident bottle cap
US5964363A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Feb 2, 1998 |
| Grant date | Oct 12, 1999 |
| Priority date | — |
| Expiry date | Feb 2, 2018 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D2401/45
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A compression failure resistant tamper evident bottle cap includes a skirt with a lower edge, and a tamper-evident band formed integrally with the skirt and having structure for engaging beneath a retaining flange on the bottle so as to prevent subsequent withdrawal of the band. Frangible bridges connect the band to the lower edge of the skirt. To prevent destruction of the bridges as the cap is forced onto the bottle during installation, the skirt has one or more tabs or the like, extending downward over a portion of the band, for preventing undue diametral expansion of the tamper evident band as it passes over the retaining flange.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.