Method and equipment for performing continuous extrusion
US7257980B2 · kind B2 · utility
0Cited by
6References
18Claims
0Family size
Inventor
Key dates
| Filing date | Jun 14, 2004 |
| Grant date | Aug 21, 2007 |
| Priority date | — |
| Expiry date | Jun 14, 2024 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB21C23/009
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
The invention relates to a method for performing continuous extrusion of a metallic material, such as copper, so that the material to be extruded (1) is fed in the extrusion member (4) by means of a feed member (3) provided with a groove on its peripheral wall (2) and by an abutment (5) arranged in said groove, so that the groove (8) is protected against oxidation by arranging for at least part of the peripheral wall (2) of the feed member (3) a gas-protecting member (7). The invention also relates to said equipment.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.