Powder compression molding machine
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United States of America Patent
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Apr 23, 2013
Grant Date -
Apr 5, 2012
app pub date -
Sep 22, 2011
filing date -
Oct 5, 2010
priority date (Note) -
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status (Latency Note)
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Abstract
A powder compression molding machine includes a downward spray portion that sprays a lubricant toward an inner circumferential surface of a die bore and a tip face of a tip of a 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 externally provided is fed to the downward spray portion, and a second lubricant flow passage through which the lubricant supplied from the lubricant supply device externally provided is fed to the upward spray portion. A small-diameter region of which an inner diameter is made smaller than that of the first lubricant flow passage is provided at a part of the second lubricant flow passage.
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