Metal strip casting
US5520243A · kind A · utility
Assignees
Inventors
Key dates
| Filing date | Aug 15, 1994 |
| Grant date | May 28, 1996 |
| Priority date | — |
| Expiry date | Aug 15, 2014 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB22D11/0622
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
Method and apparatus for continuously casting metal strip (20) of the kind in which a casting pool of molten metal (30) is formed in contact with a moving casting surface. By making the casting surface (16A) very smooth and inducing relative vibratory movement between the molten metal and the casting surface at selected frequency and amplitude, the heat transfer from the solidifying metal is dramatically improved. The casting surface has an Arithmetical Mean Roughness Value (Ra) of less than 5 microus and the induced vibratory movement preferably has a frequency of no more than 20 kHz. This enables improved casting productivity and also produced a marked refinement of the surface structure of the cast metal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.