Coating processes – Fraud or tamper detecting
Patent
1980-04-17
1982-01-12
Silverberg, Sam
Coating processes
Fraud or tamper detecting
B44D 114
Patent
active
043105629
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: 3141792 (1964-07-01), Lachman
patent: 3148123 (1964-09-01), Werner
patent: 3524756 (1970-08-01), Signorino
patent: 3607313 (1971-09-01), Roth
patent: 3911860 (1975-10-01), Nohynek
patent: 3991225 (1976-11-01), Blorun
patent: 4038939 (1977-08-01), Hoyer
patent: 4118522 (1978-10-01), Stellmach
patent: 4133290 (1979-01-01), Melliger
Honor Robert S.
Jewell Walter F.
Sharkin Gerald D.
Silverberg Sam
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