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:
May. 22, 2007
Filed:
Apr. 22, 2005
Noriyuki Yoshimura, Miyota-Machi, JP;
Kesao Suzuki, Miyota-Machi, JP;
Noriyuki Yoshimura, Miyota-Machi, JP;
Kesao Suzuki, Miyota-Machi, JP;
Minebea Co., Ltd., , JP;
Abstract
A motor core coated with a multi-layer insulating film. The insulating film preferably includes in order: an electrodeposited coating film applied upon an outer surface of the motor core; a first spray coated insulating film applied upon an outer surface of the electrodeposited coating film the first film having a pencil hardness of between about 2H and 4H; and a second spray-coated insulating film applied upon an outer surface of the first spray-coated insulating film, the second film having a pencil hardness of between about 3H and 6H. The invention is additionally directed to a variety of methods for forming such insulation-coated cores.