DUST-PROOF DEVICE IN SOIL IMPROVING MACHINE

摘要

PROBLEM TO BE SOLVED: To prevent the dust of material soil and soil improving material in a mixer from leaking and dispersing to the outside of the return route of a bar conveyor in a soil improving machine having the bar conveyor carrying the material soil and a mixer mixing and agitating the material soil carried by the bar conveyor and the soil improving material. SOLUTION: A seal device 25 taking a sealing attitude for sealing the return route of a bar 6e when the bar 6e is not passed therethrough and allowing the bar 6e to pass therethrough by deforming so as to open the return route by the contact of the bar 5e thereon when the bar is passed therethrough is arranged in the return route of the bar conveyor 6 from the mixer. COPYRIGHT: (C)2006,JPO&NCIPI