Patent · US Expired

Filter for use in filtration of molten metal

US4158632A · kind A · utility

8Cited by
1References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 26, 1978
Grant dateJun 19, 1979
Priority date
Expiry dateApr 26, 1998

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02P10/20
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

The disclosure teaches an improved filter-type media which is characterized by a plurality of holes of equal size which are substantially larger than the pore size of the filter-type media thereby providing a preferential path through the filter-type media.

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