Patent · US Expired

Heating device for transfer of liquid metal and process for manufacturing the device

US5708257A · kind A · utility

3Cited by
2References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 26, 1995
Grant dateJan 13, 1998
Priority date
Expiry dateSep 26, 2015

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T29/49083
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

A heating assembly 1 for transferring liquid metal 28 has a closed cross-section and includes a refractory tube 4 wrapped in an insulating layer 5 which is in turn surrounded by an inductor 3 enclosed in refractory concrete within a metal shell, the insulating layer 5 consisting of an insulating refractory concrete layer 5a. The heating assembly 1 may be used in a liquid metal holding furnace 9 provided with a supply of pressurised gas Pr for producing metal parts.

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