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. 09, 1996
Filed:
Jun. 21, 1994
Applicant:
Inventors:
Gunter Schrey, Linz, AT;
Gero Tessmer, Linz, AT;
Karl Katzensteiner, Traun, AT;
Klaus Kopper, Leoben, AT;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B22F / ; B22F / ; B22F / ;
U.S. Cl.
CPC ...
419 64 ; 75746 ; 75770 ; 419 62 ; 419 65 ;
Abstract
In the manufacture of cold-moulded briquettes from iron-containing waste metallurgical material mixed with a binder, in order to obtain high-strength briquettes and almost complete reducibility, magnetite waste metallurgical material such as scale (1) is mixed with haematite fine material (5) to form a layer (10) of haematite line materials (5) enveloping the individual magnetite particles (9), after which the binder is added to the mixture (FIG. 1).