Powder metallurgy processes inventions 02/07

20070036669 - Soft magnetic material and method for producing the same: Disclosed are a soft magnetic material having an optimum electrical resistivity and a method for producing such a soft magnetic material. The soft magnetic material comprises a plurality of composite magnetic particles. Each of the composite magnetic particles comprises a metal magnetic particle and an insulating coating film which covers... Agent: Mcdermott Will & Emery LLP

20070025871 - Method for manufacturing a synchronizing ring: To manufacture a synchronizing ring of a synchronizing device for a variable-ratio gear transmission, this synchronizing ring having a ring body having locking teeth on an outer circumference and a friction lining made of a carbon nonwoven material bonded to a duroplastic resin on the conical inner circumference, the ring... Agent: William Collard Collard & Roe, P.C.

20070025872 - Method of making a submicron cemented carbide powder mixture with low compacting pressure and the resulting powder: There is disclosed a method of making a ready to press cemented carbide powder with low compaction pressure suitable for the production of submicron cemented carbide by means of powder metallurgical techniques milling, pressing and sintering. The method comprises using from about 1 to about 3 wt-% pressing agent with... Agent: Drinker Biddle & Reath (dc)