Powder pressing method and device - I

摘要

A powder pressing device includes a die having an inner space forming a pressing region in which powder pressing takes place, and upper and lower plungers moveable into and out of the inner space of the die. The die has an ejecting region possessing an inlet proximal to the pressing region and an outlet distal from the pressing region. The dimension of the die gradually decreases in the ejecting region of the die in a direction from its inlet to its outlet.