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CLOSED CONDUIT FORMING WORK MACHINE, CLOSED CONDUIT FORMING WORK SYSTEM AND CLOSED CONDUIT FORMING METHOD
CLOSED CONDUIT FORMING WORK MACHINE, CLOSED CONDUIT FORMING WORK SYSTEM AND CLOSED CONDUIT FORMING METHOD
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机译：密闭管道成形工作机，密闭管道成形工作系统和密闭管道成形方法
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摘要
PROBLEM TO BE SOLVED: To provide a closed conduit forming work machine, a closed conduit forming work system and a closed conduit forming method capable of preventing withering of grass and capable of forming an excellently drainable closed conduit. ;SOLUTION: In this closed conduit forming work machine having an excavator for excavating soil by an excavating bucket installed on an endless chain, a slit dredging knife being arranged in a work advancing directional rear position of the excavator and forming a slit space by dredging a space excavated by the excavator and a slit squeezing body being positioned in a height directional intermediate part of the slit dredging knife and forming the closed conduit in the soil by blocking up this slit space by squeezing an intermediate position of the slit space, the closed conduit forming work machine has a diffuser being arranged in the work advancing directional rear position of the excavator and diffusing removed earth excavated by the excavating bucket to the ground surface.;COPYRIGHT: (C)2001,JPO
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