Patent · US Expired

Method for firing low density graphite/alumina compacts and cores

US4246215A · kind A · utility

4Cited by
6References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 6, 1979
Grant dateJan 20, 1981
Priority date
Expiry dateJun 6, 1999

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC04B38/00
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

A method of firing alumina-based ceramic core compacts includes firing the compact in a controlled atmosphere in a closed retort whereby at least a portion of the gas of the controlled atmosphere is caused to flow down, around and through the porous compact by aspiration.

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