Apparatus for shielding molten metal during teeming
US4211390A · kind A · utility
4Cited by
6References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 7, 1979 |
| Grant date | Jul 8, 1980 |
| Priority date | — |
| Expiry date | May 7, 1999 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB22D11/106
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
An apparatus for shielding a stream of molten metal during teeming consisting of a pair of cylinders aligned on a common axis by means adapted to position one cylinder against a ladle around the pouring spout and the second cylinder proximate a tundish, ingot mold or pouring trumpet. Also included are means to form a gas barrier between the cylinders to contain a shielding (inert) gas around the molten metal stream to protect the stream from contact by the ambient atmosphere and means to mount the apparatus on a pouring ladle carriage.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.