Displacement and/or compaction device
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Jun 29, 2021
Grant Date -
Oct 17, 2019
app pub date -
Jul 7, 2017
filing date -
Jul 8, 2016
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A drill assembly that includes one drill and a displacement unit, where the drill is releasably or permanently attached to said displacement unit, such that: —the displacement unit includes a guide unit and a channel unit, where the channel unit includes a guide channel, and said guide unit includes one or more guides adapted to engage with said guide channel, such that said guide channel is a circumferential channel that follows a wave or wave like path; —the drill includes a drill bit and/or a drill flight attached to a central shaft, wherein the drill bit and/or drill flight co-terminate at a first terminal end of the drill; —said first terminal end is the terminal end of the drill that is configured to enter the ground first; and—the central shaft is a thin elongate member that extends between the longitudinally separated terminal ends of the drill.
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