Compression punch for a rotary press
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United States of America Patent
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Nov 21, 2017
Issued Date -
N/A
app pub date -
Jun 22, 2010
filing date -
Jul 2, 2009
priority date (Note) -
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Abstract
A compression punch for a rotary press, with a shaft, a punch head disposed at one shaft end and a compression zone disposed at the other shaft end, wherein the punch head features an upper mirror surface, an outer cylinder surface and a curved transition zone between the mirror surface and the cylinder surface, wherein the mirror surface and the transition zone form a three-dimensional surface, whose course in at least one radial direction can be described by a mathematical function whose second derivative is continuous.
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