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:
Mar. 10, 1998
Filed:
Jan. 31, 1996
Applicant:
Inventors:
Albert C Wang, Murrysville, PA (US);
K Wing Chang, Pittsburgh, PA (US);
L Duane Dunlap, Pittsburgh, PA (US);
Jing Luo, Monroeville, PA (US);
D Frederick Stewart, Export, PA (US);
Michael L Barry, Maryville, TN (US);
Terry C Lee, Alcoa, TN (US);
Assignee:
Aluminum Company of America, Pittsburgh, PA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B21B / ;
U.S. Cl.
CPC ...
72237 ; 72 108 ; 72 134 ;
Abstract
A method of preventing roll chatter in a stand of a rolling mill during the process of directing a strip of material through the mill. The method comprises the step of introducing into the stand a low power vibration component that prevents the rolls in the stand from vertically oscillating in any generally large, uncontrollable manner.