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:
Jul. 08, 2008
Filed:
Apr. 15, 2003
Andrew Miller Cameron, Tansley, Matlock, GB;
Christian Juan Feldermann, Banyoles, ES;
Andrew Miller Cameron, Tansley, Matlock, GB;
Christian Juan Feldermann, Banyoles, ES;
The BOC Group plc, , GB;
Abstract
A metallurgical lance for injecting particulate material into a liquid comprises a main gas tubedefining an axial main gas passage terminating at its outlet and in a first Laval nozzledownstream of the throat of said nozzle. A shrouding gas passage in the form of a combustion chambersurrounds the main gas tube and terminates in a second Laval nozzle. A particulate material transport tubedefines a passage for the particulate material to be introduced into the first Laval nozzledownstream of its throat. The first Laval nozzleis provided with a passagefor the flow of coolant.