F26B 15/146

Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound {, the movement being in alternate horizontal and vertical directions} the lines being all horizontal or slightly inclined the objects or batches of materials being carried by trays or racks {or receptacles, which may be connected to endless chains or belts applying multiple superimposed tray conveyors, the materials to be dried being dropped onto subsequent conveyor stretches, e.g. by allowing the trays to tilt at one point}