Tamper-evident closure
US4625875A · kind A · utility
Inventors
Key dates
| Filing date | Feb 4, 1985 |
| Grant date | Dec 2, 1986 |
| Priority date | — |
| Expiry date | Feb 4, 2005 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D41/3452
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
There is disclosed a tamper-evident closure including a depending tamper-evident skirt member capable of being positioned by longitudinal force (i.e. pushed on) onto a neck of a container including a skirt collar wherein the closure is formed with an internal thread and the neck of the container is formed with an external thread and wherein the tamper-evident depends by angularly-formed arm members from the closure, and wherein the threads are of multiple courses and wherein a groove of the skirt member of the closure engages the skirt collar of the container in an assembled relationship of the closure to the container.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.