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:
Jun. 07, 2022
Filed:
Nov. 07, 2018
Applicant:
Kuroda Precision Industries Ltd., Kanagawa, JP;
Inventors:
Masanobu Ikeda, Nagano, JP;
Tomoaki Murayama, Nagano, JP;
Assignee:
Kuroda Precision Industries Ltd., Kanagawa, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23P 19/00 (2006.01); H02K 15/03 (2006.01); H02K 15/12 (2006.01);
U.S. Cl.
CPC ...
H02K 15/03 (2013.01); H02K 15/12 (2013.01); Y10T 29/53143 (2015.01);
Abstract
To improve the abrasion resistance and releasability of the inner peripheral surfaces of a resin pot chamber, a gate, and the like in a manufacturing device for a magnet embedded core without using cemented carbide, the inner peripheral surface of the resin pot chamber (), the inner peripheral surface of the gate (), the outer peripheral surface of the plunger (), and the like of the manufacturing device () for the magnet embedded core are constituted by chromium nitride layers () or the like.