Patent · US Expired

Smelting furnace

US4428731A · kind A · utility

2Cited by
4References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 31, 1982
Grant dateJan 31, 1984
Priority date
Expiry dateMar 31, 2002

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF27B3/12
  • WIPO fieldThermal processes and apparatus
  • WIPO sectorMechanical engineering

Abstract

A smelting furnace, the refractory sole (3) of which is contained in a metallic casing (5) having expansion joints (6, 7, 7'), comprises means (18, 19) for cooling the expansion joints, these means enabling to solidify actually any liquid phase that might tend to infiltrate into the joints.

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