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:
Jan. 13, 1976
Filed:
Oct. 05, 1973
Applicant:
Inventors:
Joseph Danzer, Munich, DT;
Helmut Weber, Munich, DT;
Assignee:
Wacker-Chemie GmbH, Munich, DT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; B05D / ;
U.S. Cl.
CPC ...
428450 ; 427116 ; 427226 ; 427377 ; 428469 ;
Abstract
The invention relates to a method for insulating rotor plates for electric motors by coating the rotor plates with a solution containing organo-silicon compounds, drying the coated plates and thereafter contacting the coated plates with a steam atmosphere to form a blue iron-oxide film thereon.