9/13/2011
8,017,057
Method for making a pressed part with separations or voids
Edwards of Dupont, Delaware developed a process for producing molded parts from a polymeric powder or metallic powder, wherein the molded part has a separation or a void.  The separation or void is formed by inserting a separator or void-forming material into the die cavity before, during or after filling the die cavity with the powdered molding material that is to form the pressed part. After the pressed part is formed the separator or void-forming material is removed to provide the separation or void.  (RDC 9/14/2011)

9/28/2010
7,803,294
Method and measuring system for obtaining a reference for a powder press
Pannewitz et al of Fette Gmbh, Germany, developed a method deterimine accurate postioning of the punch during powder pressing using a reference die and reference punch.  (RDC 12/7/2010