Wood chip digestion

Claim 1

IN A WOOD-CHIP DIGESTING SYSTEM HAVING A DIGESTER CONTINUOUSLY SUPPLIED WITH CHIPS TO BE DIGESTED UNDER SUPER-PRESSURE AND STEAM FOR SUPPLYING HEAT AND PRESSURE WITH MEANS FOR EVACUATING DIGESTED CHIPS AND STEAM FROM THE DIGESTER, AN INJECTION STATION FOR EJECTING DIGESTED CHIPS IN A STREAM OF STEAM TO THE ATMOSPHERE COMPRISING A CLOSED HORIZONTAL CYLINDER WITH AN EXIT-PROVIDING END, AN INLET THROUGH WHICH CHIPS ARE RECEIVED INTO THE CYLINDER FROM THE EVACUATING MEANS, A ROTATABLE SHAFT AXIALLY LOCATED IN THE CYLINDER, BLADED MEANS ON THE SHAFT FOR ROTATABLY STIRRING CHIPS THEREIN AND IMPELLING THEM TOWARD THE EIXT END OF THE CYLINDER, MEANS FOR SUPPLYING TO THE CYLINDER A PRESSURE STREAM OF STEAM FOR BLOWING THE STIRRED CHIPS TOWARD THE EXIT END OF THE CYLINDER, A BORE-BEARING EJECTION SLEEVE ECCENTRICALLY LOCATED IN THE EXIT END OF THE CYLINDER PARALLELING THE SHAFT THROUGH WHICH CHIPS AND STEAM ARE BLOWING EJECTED WITHOUT SUBSTANTIAL CHANGE OF