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. 12, 1977
Filed:
Jan. 28, 1976
Applicant:
Inventors:
A Hadi Akeel, Sterling Heights, MI (US);
Richard C Jackson, Bloomfield Hills, MI (US);
Assignee:
General Motors Corporation, Detroit, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C21C / ;
U.S. Cl.
CPC ...
266216 ; 7513 / ;
Abstract
A device and method for nodularizing cast iron which includes a funnel like portion including a mixing chamber having a tangential inlet which is operative to cause molten metal admitted to the chamber to assume a swirling configuration or vortex and a barrier portion positioned in the path of the swirling stream which is operative to cause the swirling stream to fold over itself and to promote mixing of the nodularization additive deposited into the vortex of the swirling metal.