PURPOSE: To store or dry grain without change of properties by preventing getting sweaty by inserting and installing an air supply cylinder into the stored grain in a grain feeding pack.
CONSTITUTION: A sawtoothlike cutting edge 3 is provided over the entire periphery of the lower end of the hollow cylindrical air supply cylinder 1 of a normal temperature ventilation grain dryer and the lower vent port of a blower is connected to the upper end of the cylinder fixed with a handgrip 4 at the outer upper part to communicate the interior. Thus, the cylinder 1 of the dryer is inserted into the grain stored in a grain feeding pack, the air is supplied by a blower to supply the air to the stored grain to prevent getting sweaty, thereby storing and drying the grain without change of properties.
KOBAYASHI SHUKICHI
ISHIBASHI MASAKAZU