Patent · US Expired

Directly heatable crucible for induction melting furnaces

US5022044A · kind A · utility

6Cited by
5References
7Claims
0Family size

Assignee

Inventor

Key dates

Filing dateAug 9, 1989
Grant dateJun 4, 1991
Priority date
Expiry dateAug 9, 2009

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH05B6/24
  • WIPO fieldThermal processes and apparatus
  • WIPO sectorMechanical engineering

Abstract

In a directly heatable crucible 3 for induction melting furnaces, especially for melting refractory and highly-pure metals, including an inductor coil 11 surrounding a crucible 3 and a housing 5, which at least partially encloses the inductor coil 11 and the crucible 3 and which forms together with the external wall 9, 9' of the crucible a closed chamber having an annular portion 10 and a flat cylindrical base portion 10'. This chamber is passed through by a cooling agent and the crucible 3 is made of the material to be molten.

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