SCREW FEEDER AND SELF-TRAVELING TYPE SOIL IMPROVING MACHINE

摘要

PROBLEM TO BE SOLVED: To provide a screw feeder capable of improving a restraining effect of flushing.;SOLUTION: In a screw conveyor 20 forming a closed space 33 surrounded by a pair of partition blades 31, 32, an outer periphery of an end of an emission port 22b of a shaft rod 24 including an extension 30, a screw blade 25 and an inner face of a casing 21, and opening a space positioned at a pair of the partition blades 31, 32 to the outside of the casing 21 through the emission port 22b are alternately repeated during the rotation of the screw shaft 23.;COPYRIGHT: (C)2011,JPO&INPIT