Tamper resistant closure with tear-off band
US4550844A · kind A · utility
91Cited by
2References
16Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 22, 1984 |
| Grant date | Nov 5, 1985 |
| Priority date | — |
| Expiry date | Jun 22, 2004 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D41/3428
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A tamper resistant closure for a finish of a container. The closure has an annular skirt with an annular tamper indicating band integrally attached thereto with a plurality of frangible bridges. The band has preferably a plurality of wedge-shaped tabs that contact the container finish and bend upwardly when the closure is applied to the container. When there is an attempt to remove the closure, the thicker outer portion of the tab wedges against the container finish to apply torque to the band and break the bridges to leave the pilfer indicating band on the container.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.