Fastening method and apparatus
US9339899B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 10, 2011 |
| Grant date | May 17, 2016 |
| Priority date | — |
| Expiry date | Apr 12, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/53774
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A fastening method comprising using a control apparatus to select a first upsetting volume of an upsetting die, using a punch to push a first fastener into a workpiece and using the upsetting die to upset the first fastener, then using the control apparatus to select a second upsetting volume of the upsetting die, using the punch to push a second fastener into a workpiece and using the upsetting die to upset the second fastener, or using the punch and the upsetting die to form a clinch joint.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.