Edge seal closure
US6427881B1 · kind B1 · utility
2Cited by
20References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 9, 2001 |
| Grant date | Aug 6, 2002 |
| Priority date | — |
| Expiry date | Oct 9, 2021 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D41/045
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A twist open/twist close edge seal closure is described wherein the closure has a sealing disc supported on the interior portion thereof which vertically rises and lowers depending on the rotation of the closure. The sealing disc compresses against the top wall of the container to provide an adequate seal thereof and allows dispensing of the container contents around the exterior portion of the sealing disc upward through a dispensing channel and through the dispensing spout of the edge seal closure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.