Coating process and apparatus

Details Coating process and apparatus Coating process and apparatus

1985-08-05

1986-10-21

Silverberg, Sam

Coating apparatus

Edible base or coating type

Tumbling particulate work

118 20, A23G 320

Patent

active

046178724

ABSTRACT:
This invention provides an apparatus and process for automatically coating solid pharmaceutical dosage forms, e.g., tablets. The apparatus comprises a coating pan, having a rotating means, e.g., motor and a weighing means, e.g., scales in combination with the pan and motor. A process controller is in electronic communication with both the pan motor and scales, for controlling the pan rotation and monitoring the weight of the coating pan contents. There is also provided a plurality of material containing reservoirs having conduit means communicating with the interior of the pan. The material containing reservoirs may also have weighing means, e.g., scales in combination with the reservoirs, which are also in electronic communication with the process controller. These reservoirs may contain a water supply, a coating syrup supply, color suspension supply, and polishing ingredients for use in coating the tablets. The process controller is pre-programmed to dispense the various coating ingredients in a precise sequence, while monitoring the coating weight of the tablets, whereby the entire coating process is automatically effectuated in one continuous operation.

REFERENCES:
patent: 4118522 (1985-10-01), Stellmach

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