Press-to-open dispensing closure
US5273177A · kind A · utility
103Cited by
18References
5Claims
0Family size
Inventor
Key dates
| Filing date | Jul 20, 1992 |
| Grant date | Dec 28, 1993 |
| Priority date | — |
| Expiry date | Jul 20, 2012 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D2251/1066
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A press-to-open dispensing closure with a flexible arcual top surface(22) in convex orientation is provided which includes a flexible, aperture cover(26) having an arcuate hinging connection to the top surface. The hinging connection of the appeture cover articulates between a convexly arcuate closed condition and a concavely arcuate open position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.