Container closure for pourable liquids including a pour spout and a tamper evident vent structure
US11325757B2 · kind B2 · utility
0Cited by
13References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 20, 2017 |
| Grant date | May 10, 2022 |
| Priority date | — |
| Expiry date | Oct 17, 2039 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D2543/00296
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A re-closable vent for a container closure which requires no pre-formed holes in the closure deck, provides a tamper-evident feature, and provides simple rotation of a cap structure to open and a vent after punching out a frangible deck section.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.