Multi-containment trench system

Hydraulic and earth engineering – Fluid control – treatment – or containment – Flow control

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Details

249 11, 404 4, 405118, E02B 500

Patent

active

052810526

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.

REFERENCES:
patent: 1220519 (1917-03-01), Lane
patent: 1562780 (1925-11-01), Mickleson
patent: 2938437 (1960-05-01), Daley
patent: 3299785 (1967-01-01), James
patent: 3625011 (1971-12-01), Stevenson
patent: 4472078 (1984-09-01), Karbstein
patent: 4878782 (1989-11-01), Beattie et al.
patent: 5000621 (1991-03-01), Beamer

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