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. 25, 1984
Filed:
Jul. 20, 1983
Applicant:
Inventors:
Rollin E Hook, Dayton, OH (US);
Ronald I Kinnett, Hamilton, OH (US);
Assignee:
Armco Inc., Middletown, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C21D / ;
U.S. Cl.
CPC ...
148 / ; 148 / ; 148 16 ;
Abstract
A process of making aluminum killed, low manganese, deep drawing steel having a manganese content of up to 0.24%. The steel is hot rolled to hot band, cold rolled to final gauge, annealed and subjected to a small amount of temper rolling. In the annealing step, the steel is box annealed in coil form in such a manner that a coil cold spot temperature of at least about 1100.degree. F. (593.degree. C.) and below about 1250.degree. F. (677.degree. C.) is achieved.