Snap-on, screw-off cap and container neck
US5687866A · kind A · utility
10Cited by
4References
25Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 28, 1996 |
| Grant date | Nov 18, 1997 |
| Priority date | — |
| Expiry date | Jun 28, 2016 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D2577/205
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A tamper-evident, snap-on, screw-off closure is used with a specially shaped container neck. The neck has at least one first helical thread on an upper neck stretch portion, and a first tamper-evident structure having a first locking member. The closure has an upper skirt having at least one second helical thread mating with the first helical thread of the neck. The closure includes a second tamper-evident structure having a second locking member shaped and positioned to engage the first locking member when the closure is applied to the neck.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.