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:
Aug. 17, 2010
Filed:
Apr. 27, 2007
Akira Nagai, Kitakyushu, JP;
Iwao Myojin, Kitakyushu, JP;
Akinori Hoshino, Kariya, JP;
Masafumi Sakuma, Kariya, JP;
Hiroyuki Yamamoto, Kariya, JP;
Haruji Suzuki, Kariya, JP;
Akira Nagai, Kitakyushu, JP;
Iwao Myojin, Kitakyushu, JP;
Akinori Hoshino, Kariya, JP;
Masafumi Sakuma, Kariya, JP;
Hiroyuki Yamamoto, Kariya, JP;
Haruji Suzuki, Kariya, JP;
Mitsui High-Tec, Inc., Fukuoka, JP;
Abstract
A laminated core () and a method for manufacturing the same formed with multiple continuous segment core pieces () wound in a spiral form by bending connecting portions () mutually connecting the segment core pieces (), the connecting portions () being formed in an outer peripheral area (), while the connecting portions () of vertically adjacent layers being displaced in a circumferential direction with inner edges or outer edges of the segment core pieces () fitted, the laminated core comprising: a concave cutout () provided in a radial exterior of each connecting portion () to dispose a radially expanded portion () within an outer circle of the laminated core (), the radially expanded portion () being formed with each connecting portion () expanding radially outward at the time of bending each connecting portion (); an interior cutout () provided in a radial interior of each connecting portion () to define a bending position of each connecting portion (); and a receptacle () provided in a radial exterior of each segment core piece () to receive an expanded part () formed in the thickness direction at the time of bending each connecting portion ().