Patent · US Expired

Flex rod assembly for a stopper valve in a bottom pour ladle

US4271994A · kind A · utility

5Cited by
2References
1Claims
0Family size

Assignee

Inventor

Key dates

Filing dateNov 9, 1979
Grant dateJun 9, 1981
Priority date
Expiry dateNov 9, 1999

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB22D41/20
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

Apparatus for aligning the stopper valve (14) with the seat (12) in a bottom pour ladle (10), including a locking arrangement (36) which can be loosened to permit the valve (14) to properly close on the seat (12). The locking arrangement (36) is then locked into position with the stopper valve (14) in true alignment with the seat (12).

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