Fluid movement apparatus

Hydraulic and earth engineering – Soil remediation – In situ contaminant removal or stabilization

Reexamination Certificate

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Details

C405S128200, C405S129570

Reexamination Certificate

active

06913420

ABSTRACT:
Apparatus suitable for venting and dispensing gas from an area of ground. The apparatus comprising a passage arrangement locatable in the ground extending generally horizontally and formed from a plurality of self-supporting open units. One or more columns extends downwardly from the passage, the columns being formed of a core material having an open permeable structure. The or each column has a fluid permeable exterior, and is in communication with the passage.

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