Methods and apparatus for uniformly orienting pharmaceutical dosage forms
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United States of America Patent
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Aug 21, 2001
Grant Date -
N/A
app pub date -
May 20, 1999
filing date -
May 20, 1999
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Abstract
An inverter for reversing the orientation of a pharmaceutical dosage form at a discontinuity in a path of travel is described. The inverter receives dosage forms from an input path and delivers rectified dosage forms to an output path. In addition, a dosage form rectifier comprising an inverter is described. The dosage form rectifier receives randomly oriented dosage forms and delivers uniformly oriented dosage forms without recycling any of the dosage forms. In a repeating cycle for each dosage form supplied to the rectifier, the orientation of the dosage form is determined and dosage forms having a desired orientation are maintained in the desired orientation and delivered from the dosage form rectifier while dosage forms having an inverted orientation have their orientation rectified at the inverter before being delivered from the dosage form rectifier.
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