Tab with reinforced rivet hole, and tooling and associated method for providing same
US9573724B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 21, 2009 |
| Grant date | Feb 21, 2017 |
| Priority date | — |
| Expiry date | Nov 24, 2034 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/5377
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A tab is provided, which includes a body having first and second opposing ends, a nose portion disposed at or about the first end of the body, a lift portion disposed at or about the second end of the body of the tab, and a rivet receiving portion disposed proximate the nose portion. The rivet receiving portion includes a generally planar portion, a rivet hole having a perimeter, and an upturned portion extending upwardly from the generally planar portion about the perimeter of the rivet hole. The upturned portion reinforces the rivet hole and has an arcuate cross section profile. An integral rivet extends through the rivet hole and is staked to affix the tab to a can end. The upturned portion is devoid of any corners or edges both before and after the integral rivet is staked.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.