Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Including a second component containing structurally defined...
Reexamination Certificate
2007-01-30
2007-01-30
Jackson, Monique R. (Department: 1773)
Stock material or miscellaneous articles
Web or sheet containing structurally defined element or...
Including a second component containing structurally defined...
C428S328000, C428S409000, C428S900000, C428S928000, C427S127000, C427S130000, C427S131000
Reexamination Certificate
active
09419798
ABSTRACT:
A resin bonded rare earth magnet, compression molded from rare earth-transition alloy powder and thermosetting resin, having a magnet1comprising a mixture of thermosetting resin and rare earth-transition alloy powder with a particle size of between 20 and 300 microns, a filling material3with particle size between 0.1 and 15 microns which is used to fill in the depressions2on the surface of said magnet1and is then fixed with said thermosetting resin, and a corrosion inhibiting coat4made from synthetic resin applied to the surface of said magnet1which has been rendered smooth by the application of said filling material into the depressions on its surface.
REFERENCES:
patent: 3998669 (1976-12-01), Strnat
patent: 5154978 (1992-10-01), Nakayama et al.
patent: 5273782 (1993-12-01), Sagawa et al.
patent: 6211584 (2001-04-01), Kurosawa et al.
patent: 9-205013 (1997-08-01), None
Kawasaki Masahito
Miura Toshihiko
Nishida Shuichi
Suzuki Shunji
Jackson Monique R.
Ladas & Parry LLP
Minebea Co. Ltd
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