Description
Class F26B : DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
Subclass 3/16: Drying solid materials or objects by processes involving the application of heat (in specific machines or apparatus F26B 9/00-F26B 19/00) by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the materials or objects to be dried being moved by gravity in a counter-flow of the gas or vapour