Metal working – Method of mechanical manufacture – Electrical device making
Reexamination Certificate
2011-01-11
2011-01-11
Nguyen, Tuyen (Department: 2832)
Metal working
Method of mechanical manufacture
Electrical device making
Reexamination Certificate
active
07866030
ABSTRACT:
A process for forming a lamination stack of superposed metallic laminations, comprising the steps of: providing a locking lamination having locking openings adjacent to respective projecting tabs; providing a passage lamination with passage openings, each having a deformed edge portion; axially aligning and fitting each tab of the locking lamination through a passage opening of the passage lamination; and pressing each tab against an adjacent face of the passage lamination, until each tab is contained in a respective passage opening of the passage lamination and partially seated on an edge portion of the passage opening, deformed to the inside of the locking opening of the locking lamination, axially locking the latter to the passage lamination.
REFERENCES:
patent: 4738020 (1988-04-01), Neuenschwander
patent: 5894182 (1999-04-01), Saban et al.
patent: 6002191 (1999-12-01), Saban
patent: 6252329 (2001-06-01), Del Fabbro
patent: 6847285 (2005-01-01), Sirois et al.
patent: 6975201 (2005-12-01), Sirois
patent: 6984913 (2006-01-01), Neuenschwander
patent: 2003/0030535 (2003-02-01), Sirois et al.
patent: 2004/0032316 (2004-02-01), Sirois
patent: 2004/0083600 (2004-05-01), Neuenschwander et al.
patent: 0847109 (1998-06-01), None
Carvalho Hespanhol Heber De
Grott Tarcisio Joao
Knupfer Hermann Otto
Lenkulkul Gilberto
Rosario Sergio Do
Gifford Krass Sprinkle Anderson & Citkowski P.C.
Nguyen Tuyen
Whirlpool S.A.
LandOfFree
Process for forming a lamination stack does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Process for forming a lamination stack, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for forming a lamination stack will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2623330