Method of joining metals of different physical properties
US4805280A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Feb 16, 1988 |
| Grant date | Feb 21, 1989 |
| Priority date | — |
| Expiry date | Feb 16, 2008 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T403/4974
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A method of manufacturing wherein a first metal member is installed into a second metal member is disclosed. The first metal member is punched out of a stock into the second metal member which extrudes a slug. The combination is then placed over a flat surface and a second larger punch is applied to cause the slug to reflow back up into its original structure, but with that reflow crimping the first metal member that was punched out into a permanently attached place within the second metal member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.