초록 ▼

An underground double containment system consists of a concrete outer containment receptacle housing a primary fluid flow pipe which extends therethrough and is supported on inverted T-beam structures within the concrete receptacle. The concrete receptacle can be provided with a removable cover prov

An underground double containment system consists of a concrete outer containment receptacle housing a primary fluid flow pipe which extends therethrough and is supported on inverted T-beam structures within the concrete receptacle. The concrete receptacle can be provided with a removable cover providing access to the primary piping in modular sections defined by the boundary of the receptacle and flexible curved tubes opening in the wall of the receptacle through which the primary piping module sections can be removed from the receptacle or held for repair/maintenance.

대표청구항 ▼

A double containment assembly for a fluid carrying pipe comprising: a primary pipe adapted to conduct a fluid through the assembly; a concrete receptacle having a cover housing said primary pipe and adapted to be inserted below ground surface; a containment pipe surrounding at least a portion of sai

A double containment assembly for a fluid carrying pipe comprising: a primary pipe adapted to conduct a fluid through the assembly; a concrete receptacle having a cover housing said primary pipe and adapted to be inserted below ground surface; a containment pipe surrounding at least a portion of said primary pipe and coupled to said receptacle; means within said concrete receptacle for supporting said primary pipe; said concrete receptacle including, a plastic liner precluding the penetration of moisture through said concrete into the interior of said receptacle; and at least one curved tube having an end opening in the wall of said lined concrete receptacle and directed upward toward the surface of the ground for receiving a section of said primary piping extending into said concrete receptacle in an area generally opposite said at least one curved tube removed for repair.