Closure with liner cutter
US7410071B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 27, 2004 |
| Grant date | Aug 12, 2008 |
| Priority date | — |
| Expiry date | Dec 8, 2025 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D2251/023
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A closure having a top wall and a skirt depending from a peripheral edge of said top wall. The closure includes an inner skirt depending from the top wall having at least one thread for helically attaching to a container neck. A deflection wall extends from the top wall having an inner diameter greater than a container neck. Extending from the top wall is a cutting device, defined by an axial cutter and a radial cutter for piercing a liner and cutting the liner about a circumference less than 360 degrees such that the liner is partially attached when the cutting process is completed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.