Patent ID: 6367563
Filing Date: 2002-04-09
Classification: B09C

Abstract:
A device for removing a non-aqueous phase liquid from a groundwater system, comprising:a) a generally cylindrical push-rod defining a recess therein; b) said push-rod including top and bottom ends; c) said push-rod including an external hydrophobic liquid collection surface; d) a liquid collection member detachably connected to said push-rod at said bottom end thereof; e) said liquid collection member includes a generally cone-shaped portion and a contiguous generally cylindrical portion; f) said cylindrical portion and said cone-shaped portion each defines an internal recess contiguous to each other; g) said internal recess in said cylindrical portion includes screw-threads; h) said bottom end of said push-rod includes screw-threads on the external surface thereof to be in operational engagement with the screw-threads in the internal recess of said cylindrical portion; i) said bottom end of said push-rod includes an end opening to be in fluid communication with the recess in said cone-shaped portion; j) said screw-threads in the internal recess of said cylindrical portion include radially extending cut-out portions; and k) said recesses in said cylindrical portion and said cone-shaped portion are in fluid communication with each other when said push-rod is connected with said liquid collection member.