Slide closure for metallurgical vessels
US3968909A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | May 13, 1975 |
| Grant date | Jul 13, 1976 |
| Priority date | — |
| Expiry date | May 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.