Process for manufacturing plastically deformed light metal objects having a connector part of a different metal
US4397413A · kind A · utility
2Cited by
7References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 22, 1981 |
| Grant date | Aug 9, 1983 |
| Priority date | — |
| Expiry date | Apr 22, 2001 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB21C23/22
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
Manufacture of a light metal shock absorber by impact extrusion of the light metal of a steel-light metal composite blank, wherein the metallic bonding of the composite blank is achieved by coextrusion. The steel component on the bottom face of the light metal shock absorber is provided with a steel ring which is welded or otherwise appropriately joined during or after impact extrusion. Also the light metal sleeve of the shock absorber can, after impact extrusion, be welded or otherwise appropriately joined to light metal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.