Patent ID: 6482349
Filing Date: 2002-11-19
Classification: B29C,B30B

Abstract:
A power pressing apparatus for formation of a compact by pressing a power, comprising:a die having a vertical through hole; a first punch and a second punch, each being vertically moveable within the through hole relative to the die, for compression of the power within a cavity formed in the through hole; and a supplying means including a supply port provided in a side surface of the first punch, for supply of a lubricant with a gas from the supply port to the side surface of the through hole within the through hole, wherein the first punch is formed to have a polyangular section so as to have a plurality of angled portions; the supply port being directed to the respective angled portions of the first punch; and the supplying means further including a lubricant supplying passage connected with the supply port through the first punch for supply of the lubricant to the supply port.