Shell with expandable rivet button and tooling therefor
US11059091B2 · kind B2 · utility
0Cited by
24References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 23, 2018 |
| Grant date | Jul 13, 2021 |
| Priority date | — |
| Expiry date | Mar 25, 2039 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D2517/0062
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A can end including a central panel with an expandable bubble disposed thereon is provided. The use of an expandable bubble allows for an expandable rivet button and thereafter an expandable rivet that has an enhanced overlap of a tab body. Such an expandable rivet allows for the use of a metal sheet with a thinner base thickness.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.