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:
Apr. 29, 2008
Filed:
Aug. 27, 2003
Applicants:
Robert Paret, Voiron, FR;
Daniel Coudry, St. Ismier, FR;
Inventors:
Robert Paret, Voiron, FR;
Daniel Coudry, St. Ismier, FR;
Assignee:
Pechiney Rhenalu, Paris, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C21B 7/16 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to a device () which is used to inject a treatment gas into a molten metal contained in a tank () and which is designed to be fixed in one of the walls of said tank. The inventive device comprises at least one injection nozzle () which is equipped with an end hole (). Said device is characterised in that it comprises a mobile means () which can be manoeuvred from outside of the injection device and which is used to unblock the aforementioned end hole of the nozzle.