Patent · US Expired

Crucible

US4049250A · kind A · utility

3Cited by
3References
8Claims
0Family size

Assignee

Inventor

Key dates

Filing dateFeb 26, 1976
Grant dateSep 20, 1977
Priority date
Expiry dateFeb 26, 1996

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF27D2003/0086
  • WIPO fieldThermal processes and apparatus
  • WIPO sectorMechanical engineering

Abstract

A crucible, for use in connection with oxidizing melts on the interior at elevated temperatures includes a crucible body composed of a material selected from the group consisting of platinum metals and tungsten, and a continuous coating of a metal disposed on the inner surface of the body, the coating metal being substantially non-alloying with the material and having a low affinity for oxygen.

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