Coating apparatus – Edible base or coating type – Plural coating devices
Patent
1993-01-12
1996-04-02
Lacey, David L.
Coating apparatus
Edible base or coating type
Plural coating devices
118 20, 118 30, 118421, 118425, 118429, 118503, 427 214, 427 222, 269 21, B05C 302, B05C 1300
Patent
active
055036732
ABSTRACT:
An apparatus for dipping tablets into gelatin coating material and for spreading and setting the coating immediately after dipping is provided. Carrier plates having a plurality of tablet holders are transported from a tablet loading station to a dipping station along a transport guide. At the dipping station, a carrier plate is mounted to a vacuum chamber. A set of vacuum tubes in the vacuum chamber are extended through the tablet holders to contact and lift the tablets off of the holders and secure the tablets to the tubes. In a preferred embodiment, the vacuum chamber is rotated 180.degree. and a second carrier plate is mounted onto the housing and a second set of tubes secure the tablets to the plate. The carrier plates are alternately dipped and returned to the transport guide where new plates with uncoated tablets replace the plates with coated tablets. Immediately after dipping the carrier plates enter a rotating station where the plate is rotated 360.degree. and then replaced on the transport guide for transportation to further processing stations. Preferably, the rotating station includes a similar vacuum chamber with vacuum tubes that are extended into the holder for securing the tablet during rotation.
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Griffin Steven P.
Lacey David L.
McNeil-PPC Inc
Plantz Bernard F.
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