Patent · US Expired

Slide closure for metallurgical vessels

US3968909A · kind A · utility

1Cited by
2References
3Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMay 13, 1975
Grant dateJul 13, 1976
Priority date
Expiry dateMay 13, 1995

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB22D41/24
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

A slide closure includes a housing, a fixed refractory plate positioned in the housing by a metal holding frame, a refractory slide plate positioned for sliding movement within the housing by a metal slide, and a housing closure closing the housing and having spaced rails for supporting the slide. Each side of the slide has a pair of projections contacting one rail. Each pair of projections is spaced by a distance substantially equal to the rail spacing. The holding frame is pivotally attached at a first end thereof to the housing and has at a second end thereof a stepped portion contacting the housing.

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