Excavator for constructing underground continuous wall and construction method using the excavator
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United States of America Patent
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Sep 27, 1994
Grant Date -
N/A
app pub date -
Jul 2, 1992
filing date -
Apr 1, 1992
priority date (Note) -
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status (Latency Note)
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Abstract
An excavator for constructing an underground continuous wall includes an extensible guide post, an endless chain extending around a chain driving wheel provided at the upper portion of the guide post and a chain sprocket at the lower portion of the guide post, and a number of cutter bits and a number of agitator bars alternately arranged on the chain to form an endless chain cutter and a jet pipe provided in the guide post to be connectable to a fluid supply source and having a number of nozzles branched from the jet pipe. The endless chain cutter is detachably fixed to the end of the boom extending from a vehicle traveling on the ground. The endless chain cutter may be vertically movably mounted on the boom so as to be vertically driven by a driving device. The cutter bits are changeable with harder cutter bits according to obstacles in the ground.
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Cited Art Landscape
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