Method of making a dispensing closure
US7861393B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jul 2, 2007 |
| Grant date | Jan 4, 2011 |
| Priority date | — |
| Expiry date | May 25, 2029 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49947
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A dispensing closure includes a base having a lid integrally connected to the base by a hinge. The base has a deck with a central portion, a dispensing opening in the in the central portion, and a peripheral portion surrounding the central portion. The peripheral portion includes a raised wall partially surrounding the central portion, and having a greatest height adjacent to the hinge and decreasing in height around the central portion. The wall has an inner surface that blends with the central portion of the deck to form a concave channel surrounding the central portion of the deck. The channel surface has a base that is angled with respect to the peripheral portion down and away from the raised wall.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.