Rotary compression press
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United States of America Patent
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-
Jul 22, 2003
Grant Date -
N/A
app pub date -
Jul 19, 2000
filing date -
Aug 27, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A rotary compression press for cylindrical compacts, especially tablets, comprising a rotatably driven rotor including a die-plate and an upper and a lower ram guide for upper and lower rams cooperating with the die bores, and a pressure station with an upper and a lower pressure roller for applying a pressing power to the rams wherein the rams circumferentially have an annular tooth system which cooperates with an opposed tooth system in the area of a pressure station for the rams for the purpose of rotating the rams in the die bores thereof, characterized in that the opposed tooth system is defined by a rotatably supported gear which is acted on by a preset braking torque with the braking torque being chosen so as to be smaller than the torque of the ram when under a maximum pressing power.
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