Patent · US Expired

Process and apparatus for the assembly of sliding gate valve units for casting ladles

US4051589A · kind A · utility

2Cited by
5References
3Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMay 16, 1975
Grant dateOct 4, 1977
Priority date
Expiry dateMay 16, 1995

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T29/49863
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

For a foundry ladle provided with a sliding gate valve to be removed from the ladle as a unit to permit replacement of worn-out refractory material, there is provided a process and apparatus for assembly of the sliding gate valve unit in upright position, while the parts of the sliding gate valve unit are subjected to heating.

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