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. 21, 2024
Filed:
Mar. 21, 2018
Kuroda Precision Industries Ltd., Kanagawa, JP;
Kuroda Precision Industries Ltd., Kanagawa, JP;
Abstract
To prevent an adhesive agent from adhering to a die set for outer shape punching and avoid contamination of the die set by the adhesive agent even if the adhesive agent protrudes from the outer shape contour of a laminated iron core, a laminated iron core manufacturing device includes: a first punch () and a first die () for punching a part of an outer shape of each iron core lamina in a sheet steel strip; an adhesive agent applying apparatus () configured to apply an adhesive agent on an adhesive agent application region including a portion defined in the sheet steel strip by punching by the first punch () and the first die; and a second punch () and a second die () configured to punch the outer shape of each iron core lamina other than the part punched by the first punch () and the first die () from the sheet steel strip.