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:
Nov. 30, 1993
Filed:
Dec. 08, 1992
Applicant:
Inventor:
Warren C Hartz, McKenzie, TN (US);
Assignee:
Norandal USA, Inc., Huntington, TN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B21B / ; B21B / ;
U.S. Cl.
CPC ...
29895212 ; 2989532 ; 492 54 ;
Abstract
A method of preventing galling between the shell and the core of a roll casting machine during the operation of a roll casting machine comprises coating by electroplating the inside diameter of the roll shell with a layer of chromium to a coating thickness in the range of 0.001 in. to 0.01 in. before the shell is shrink-fitted on the core.