The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 18, 1977
Filed:
Nov. 18, 1974
Applicant:
Inventor:
Joseph William Cudby, Sheffield, EN;
Assignee:
United States Steel Corporation, Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K / ;
U.S. Cl.
CPC ...
266220 ; 266236 ; 222600 ; 222603 ;
Abstract
A sliding gate valve assembly adapted for use in the pouring of metals comprises a sliding gate member arranged for sliding movement to open and close an orifice of the assembly through which orifice metal is arranged to flow; the sliding gate member comprises a refractory body in which is provided a nozzle aligned with the orifice in an open position of the gate member and offset from the orifice in a closed position of the gate member; the nozzle has a side wall portion of permeable refractory material; and gas, e.g. an inert gas or oxygen is supplied to the nozzle, through the permeable side wall portion.