Specialized metallurgical processes – compositions for use therei – Processes – Producing or treating free metal
Reexamination Certificate
2011-08-16
2011-08-16
Wyszomierski, George (Department: 1733)
Specialized metallurgical processes, compositions for use therei
Processes
Producing or treating free metal
C075S526000, C075S961000
Reexamination Certificate
active
07998242
ABSTRACT:
A metallurgical process involves providing an ingredient enclosure and placing a plurality of granules of a first material in the ingredient enclosure. The first material contains a first ingredient in a metallurgical process. A metallurgical process furnace having a chamber in which ingredients for the metallurgical process are added is provided and the ingredient enclosure and the first material are added to the chamber. The chamber is heated after the addition of the ingredient enclosure and the first material to the chamber, although it may also be heated prior to such addition. In one form, the granules comprise mill scale and the metallurgical process furnace is a blast furnace.
REFERENCES:
patent: 3369681 (1968-02-01), Casson
patent: 7674315 (2010-03-01), Reiffel
patent: 2010/0122607 (2010-05-01), Reiffel
“The Making of Steel”. American Iron and Steel Institute. 1954. pp. 25-27.
D'Souza Vanessa M.
Garvey, Smith Nehrbass & North, L.L.C.
Iron Mount Corporation
McGuthry-Banks Tima M
Nehrbass Seth M.
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