Patent · US Expired

Multi-outlet casting nozzle

US7581664B2 · kind B2 · utility

2Cited by
1References
25Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 17, 2004
Grant dateSep 1, 2009
Priority date
Expiry dateOct 1, 2025

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC21C5/4613
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

The present invention concerns a submerged entry nozzle for use in the continuous casting of liquid metal. The nozzle comprises a central bore and a plurality of pairs of discharge outlets. The cross-sectional area of the central bore decreases between pairs of discharge outlets, such that ratio of height to width of any outlet is one or less.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.