A method and apparatus for coating centers

Details A method and apparatus for coating centers A method and apparatus for coating centers

A - Human Necessities

23

G

A23G 3/26 (2006.01) A61K 9/14 (2006.01) A61K 9/16 (2006.01)

Patent

CA 2404036

An improved coating apparatus and an improved method of coating a mass of centers are disclosed. The improved coating apparatus comprises a temperature sensor (207) for measuring the temperature of the surface of the coated centers and/or a moisture sensor (208) for measuring the moisture content of the surface of the coated centers. The improved method comprises drying coated centers by measuring the temperature of the surface of the coated centers in the mass using the temperature sensor and adjusting the temperature of the drying gas to maintain the surface temperature of the coated centers at a predetermined temperature and drying the coated centers until the moisture content of the surface of the coated centers is about 0 % to about 30 % water, by weight. Advantageously, the surface temperature and/or surface moisture measurements are conducted during the coating processing of the centers, while the centers are in the coating vessel (203).

L'invention concerne un appareil d'enrobage amélioré et un procédé amélioré permettant d'enrober une masse de centres. Ledit appareil d'enrobage amélioré comprend un capteur de température destiné à mesurer la température de la surface des centres enrobés et/ou un capteur d'humidité destiné à mesurer la teneur en humidité de la surface des centres enrobés. Le procédé amélioré consiste à sécher lesdits centres, ce qui revient à mesurer la température de la surface des centres enrobés de la masse au moyen du capteur de température, à ajuster la température du gaz de séchage de manière à maintenir la température superficielle des centres enrobés à une température prédéterminée et à sécher les centres enrobés jusqu'à ce que la teneur en humidité des centres enrobés soit comprise entre 0 % en poids environ et 30 % en poids environ d'eau. Les mesures de la température et/ou de l'humidité de surface sont avantageusement conduites pendant le processus d'enrobage des centres, c'est-à-dire lorsque les centres se trouvent dans l'appareil d'enrobage.

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