Multi-containment trench system
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United States of America Patent
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-
Jan 25, 1994
Issued Date -
N/A
app pub date -
May 7, 1993
filing date -
Aug 17, 1992
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A system for forming a multi-walled trench comprising an outer wall, an inner wall disposed within the outer wall and along which the fluid to be contained flows, means for securing in position the inner wall so as to allow expansion and contraction thereof relative to the outer wall and means for vertically adjusting the trench relative to the surface elevation prior to the pouring of concrete. Various embodiments of the securing means are provided.
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Family
International Classification(s)
Cited Art Landscape
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