Metal working – Method of mechanical manufacture – Electrical device making
Reexamination Certificate
2011-03-01
2011-10-25
Mullins, Burton (Department: 2834)
Metal working
Method of mechanical manufacture
Electrical device making
Reexamination Certificate
active
08042256
ABSTRACT:
Respective divided segments of a collet are moved radially outward by moving an arbor axially. The respective divided segments thereby press an inner circumferential surface of a stator core of a stator from radially inside such that the stator is held coaxially by the collet. Next, shaping rollers are lowered so as to press an outer circumferential surface of the stator core. The stator is rotated by rotating the collet in that state. Thus, the inner circumferential surface of the stator core is compressed and plastically deformed so as to conform to the collet and the outer circumferential surface of the stator core is compressed and plastically deformed by the shaping rollers, correcting the inner circumferential surface and the outer circumferential surface of the stator core so as to be coaxial and so as to have a high degree of roundness.
REFERENCES:
patent: 3464107 (1969-09-01), Geisenhaver
patent: 3490143 (1970-01-01), Hull
patent: 3845547 (1974-11-01), Reynolds
patent: 4188712 (1980-02-01), Burns
patent: 4687960 (1987-08-01), Frister
patent: 4914934 (1990-04-01), Fritzsche
patent: 5010638 (1991-04-01), Lanfranco
patent: 5686773 (1997-11-01), Sakakibara et al.
patent: 6687974 (2004-02-01), Asao et al.
patent: 6792673 (2004-09-01), Barrera et al.
patent: 6819024 (2004-11-01), Fujita et al.
patent: 7129614 (2006-10-01), Hahn et al.
patent: 2006/0001328 (2006-01-01), Rau et al.
patent: 02-219443 (1990-09-01), None
patent: 52-34301 (1993-09-01), None
patent: 5-316696 (1993-11-01), None
patent: 10-225027 (1998-08-01), None
patent: 11-191942 (1999-07-01), None
patent: 2001-102236 (2001-04-01), None
patent: 2001-211619 (2001-08-01), None
patent: 2001-218429 (2001-08-01), None
patent: 2001-298885 (2001-10-01), None
patent: 2004-023872 (2004-01-01), None
patent: 2006-515144 (2006-05-01), None
patent: 2005/064765 (2005-07-01), None
Japanese Office Action mailed on Jan. 19, 2010 (English translation submitted).
Harada Yoshihiro
Kashihara Toshiaki
Kuroki Kensaku
Nishimura Shinji
Nishimura Yasukazu
Mitsubishi Electric Corporation
Mullins Burton
Sughrue & Mion, PLLC
LandOfFree
Dynamoelectric machine and manufacturing method for stator... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Dynamoelectric machine and manufacturing method for stator..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Dynamoelectric machine and manufacturing method for stator... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-4292867