BURIED PIPELINE REMOVAL METHOD AND BURIED PIPELINE REMOVAL DEVICE
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United States of America Patent
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Issued Date -
Aug 1, 2024
app pub date -
May 18, 2021
filing date -
May 18, 2021
priority date (Note) -
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Abstract
Provided are an underground pipeline removal device and an underground pipeline removal method capable of selectively removing only unnecessary pipelines. The underground pipeline removal method includes an insertion process of inserting a cutting device into an embedded underground pipe 6 from the front side toward the back side of the underground pipe 6, a cutting process of spirally cutting the underground pipe 6 from the inside with the cutting device to form strip-like cut pieces, and a collection process of drawing out the cut piece from the front side to the outside through the inside of the underground pipe 6.
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