Patent ID: 8425215
Filing Date: 2013-04-23
Classification: B29C,B30B

Abstract:
1. A powder compression molding machine comprising: a table having a die bore vertically penetrating therethrough; a pair of a lower punch and an upper punch individually having tips thereof that slide in the die bore and compress a powdery material tilled in the die bore; a downward spray portion that sprays a lubricant toward an inner circumferential surface of the die bore and a tip face of the tip of the lower punch; an upward spray portion that sprays the lubricant toward a tip face of the tip of the upper punch; a first lubricant flow passage through which the lubricant supplied from a lubricant supply device provided externally is fed to the downward spray portion; a second lubricant flow passage through which the lubricant supplied from the lubricant supply device provided externally is fed to the upward spray portion, the second lubricant flow passage being provided, at least partially, with a small-diameter region in which an inner diameter thereof is made smaller than that of the first lubricant flow passage; and an inflow passage connected to the lubricant supply device, the first lubricant flow passage and the second lubricant flow passage being independently connected to the inflow passage.