Patent · US Expired

Melting furnace

US4119792A · kind A · utility

12Cited by
2References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 4, 1977
Grant dateOct 10, 1978
Priority date
Expiry dateFeb 4, 1997

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF27B3/24
  • WIPO fieldThermal processes and apparatus
  • WIPO sectorMechanical engineering

Abstract

Melting furnace, especially an arc melting furnace, in which the furnace wall contains at least one water cooling box welded of steel plate and disposed above the melt level, whose surface facing the furnace interior is provided with projections which facilitate the adhesion of a refractory protective layer formed on this surface, wherein the wall of the water cooling box, which faces the furnace interior, has a thickness of at least 15 mm, the projections are formed of profile irons, and a refractory composition applied beforehand serves as the refractory protective layer.

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