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.

Date of Patent:
Nov. 24, 1987

Filed:

Mar. 13, 1986
Applicant:
Inventor:

Rolf Waltenspuhl, Hunenberg, CH;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C21C / ;
U.S. Cl.
CPC ...
266220 ; 266236 ; 222603 ;
Abstract

A discharge nozzle assembly for discharging molten metal from a metallurgical vessel includes a refractory nozzle brick having therethrough a discharge passage. An annular member formed of a refractory gas-permeable material is embedded in the nozzle brick and has an inner surface defining a discharge passage aligned with the discharge passage of the nozzle brick. A processing gas is supplied to the annular, gas-permeable member which supplies such gas to the discharge passage. The annular member is encased in metal, except for the inner surface thereof, to prevent leakage of the gas.


Find Patent Forward Citations

Waltenspuhl, Rolf. (1987). Discharge nozzle assembly and methods of formation and operation thereof (U.S. Patent No. 4708327). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4708327

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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