Patent · US Expired

Apparatus for the filtration of molten metal in a crucible type furnace

US4113241A · kind A · utility

29Cited by
6References
25Claims
0Family size

Assignee

Inventor

Key dates

Filing dateSep 22, 1977
Grant dateSep 12, 1978
Priority date
Expiry dateSep 22, 1997

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S266/901
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

An improved apparatus for the filtration of molten metal for use in the production of castings is disclosed in which a ladling crucible provided with a ceramic foam filter is employed in a furnace type crucible to remove impurities.

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