Closure with integral twist ring
US5240155A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Feb 5, 1992 |
| Grant date | Aug 31, 1993 |
| Priority date | — |
| Expiry date | Feb 5, 2012 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D47/263
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A unitary article is provided in a form which can be reconfigured as a two-piece dispensing closure. According to the method, the unitary article is molded with frangible webs connecting a ring to a body so that the ring is axially offset from, but concentric with, the cylindrical wall of the body. Subsequently, the frangible webs are broken, and the ring is moved axially to a location concentric with the body cylindrical wall to form the assembled closure. In the assembled closure the body has a closed end and an open end suitable for mounting on a container. The cylindrical wall of the body defines a discharge passage for communicating with the container for dispensing the contents thereof. The ring defines a dispensing orifice and accommodates rotation between a dispensing position in which the passage and orifice are at least partially aligned and a closed position in which the passage is occluded by the ring.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.