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:
Sep. 19, 1989
Filed:
May. 17, 1988
Applicant:
Inventors:
Assignees:
Sumitomo Metal Industries, Ltd., Osaka, JP;
Sumitomo Heavy Industries, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C21C / ;
U.S. Cl.
CPC ...
75 1016 ; 75 61 ; 266234 ;
Abstract
In an electromagnetic stirring method, one or two electromagnetic inductors are provided to define an internal space therein or therebetween, a plurality of pairs of opposed magentic poles are provided on the inner side walls of the electromagnetic inductors defining the space, and the polarities of the magnetic poles are sequentially rotated by one or two power supply devices to generate a plurality of rotating flows of a molten metal as seen in a cross section thereof as it passes through the internal space defined by the electromagnetic inductors.