Patent · US Expired

Process of making a molded refractory article

US5989476A · kind A · utility

94Cited by
11References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 12, 1998
Grant dateNov 23, 1999
Priority date
Expiry dateJun 12, 2018

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02P10/25
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

A method for making a molded refractory article including the steps of providing a mold including a master pattern, the mold and master pattern defining a mold cavity; filling the mold cavity with a mixture comprising refractory particles and a heat fugitive binder; placing the assembly of the mold, master pattern and mixture in a furnace; curing the mixture; separating the mold and master pattern from the cured mixture; removing the binder to form a porous structure, sintering the porous structure to provide a porous refractory article and infiltrating the porous refractory article with a filler metal.

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