US 7,501,921 B2
Temperature controlled magnetic roller
Raymond S. Richards, Toledo, Ohio (US); and Randall Boudouris, Sylvania, Ohio (US)
Assigned to MagnetNotes, Ltd., Toledo, Ohio (US)
Filed on May 13, 2005, as Appl. No. 11/129,213.
Prior Publication US 2006/0255895 A1, Nov. 16, 2006
Int. Cl. H01F 1/08 (2006.01); H01F 13/00 (2006.01)
U.S. Cl. 335—284  [335/302; 335/306; 148/103; 148/108] 29 Claims
OG exemplary drawing
 
1. A magnetizing roller comprising:
a roller having a magnetized outer surface having multiple magnetic poles, the roller further comprising an internal chamber;
a fluid arranged to circulate through said internal chamber; and
a belt in proximity to the roller, the belt forming a closed loop, the belt positioned such that a sheet of magnetizable material in contact with the roller is sandwiched between the belt and the roller about a portion of a circumference of the roller.