Method and device for quality control in the preparation of tablets

Quality surveillance in manufacturing tablets in a rotary tablet press involves obtaining chemical and/or mechanical data of tablets using near infrared spectroscopy (NIR) or laser fluorescence spectroscopy (LIF) sensor (36) in the compression chamber when upper rams (18) have left the dies (16) aft...

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Main Authors SCHMIDT, INGO, SEIFERT, WERNER, GAEDECKE, JOERG, HINZPETER, JUERGEN, GATHMANN, ULRICH
Format Patent
LanguageEnglish
French
German
Published 14.09.2005
Edition7
Subjects
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PERFORMING OPERATIONS
PHYSICS
PRESSES
PRESSES IN GENERAL
TESTING
TRANSPORTING
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Abstract Quality surveillance in manufacturing tablets in a rotary tablet press involves obtaining chemical and/or mechanical data of tablets using near infrared spectroscopy (NIR) or laser fluorescence spectroscopy (LIF) sensor (36) in the compression chamber when upper rams (18) have left the dies (16) after a measuring procedure has been initiated by machine computer in response to die positions determined by a position generator relative to NIR/LIF sensor. The rotary tablet press, in a compression chamber has disposed a rotor (12) with upper and lower (20) rams, a die-plate (14), cam elements (22) for the rams, at least one compressing station, and a charging system for the powdered material. An independent claim is included for a rotary tablet press.
AbstractList Quality surveillance in manufacturing tablets in a rotary tablet press involves obtaining chemical and/or mechanical data of tablets using near infrared spectroscopy (NIR) or laser fluorescence spectroscopy (LIF) sensor (36) in the compression chamber when upper rams (18) have left the dies (16) after a measuring procedure has been initiated by machine computer in response to die positions determined by a position generator relative to NIR/LIF sensor. The rotary tablet press, in a compression chamber has disposed a rotor (12) with upper and lower (20) rams, a die-plate (14), cam elements (22) for the rams, at least one compressing station, and a charging system for the powdered material. An independent claim is included for a rotary tablet press.
Author HINZPETER, JUERGEN
GATHMANN, ULRICH
SCHMIDT, INGO
GAEDECKE, JOERG
SEIFERT, WERNER
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DocumentTitleAlternate Méthode et dispositif pour le contrôle de qualité dans la fabrication de comprimés
Verfahren und Vorrichtung zur Qualitätsüberwachung bei der Herstellung von Tabletten
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Snippet Quality surveillance in manufacturing tablets in a rotary tablet press involves obtaining chemical and/or mechanical data of tablets using near infrared...
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SubjectTerms INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PERFORMING OPERATIONS
PHYSICS
PRESSES
PRESSES IN GENERAL
TESTING
TRANSPORTING
Title Method and device for quality control in the preparation of tablets
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