Coating processes – Particles – flakes – or granules coated or encapsulated – Solid encapsulation process utilizing an emulsion or...
Patent
1985-05-17
1987-04-07
Beck, Shrive P.
Coating processes
Particles, flakes, or granules coated or encapsulated
Solid encapsulation process utilizing an emulsion or...
118303, 427212, 427242, B05D 100
Patent
active
046560564
ABSTRACT:
A particulate material containing particles to be agglomerated and/or provided with a coating is introduced in batches into a space bounded by a container, in which a gas, in particular air, is passed through the particles. The particles are set in motion, for instance by the gas, such as in whirling motion, to form a whirling, layer. The particles are wetted by means of a mixture consisting of a gas and the vapor of a wetting agent. This mixture is introduced into the space containing the particles, and cold gas and a mixture of warm gas and wetting agent are supplied for example, alternately. In this manner, the particles may be wetted uniformly and relatively fast, and held at a relatively low temperature. This is of considerable advantage when processing thermolabile materials.
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Beck Shrive P.
Glatt Maschinen-und Apparatebau AG
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