Access box for conduits

Static structures (e.g. – buildings) – With adjunctive means for assembly or disassembly – Structure includes tool or opening to provide access for a...

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Details

52221, 174 48, H02G 308

Patent

active

050882465

ABSTRACT:
An service line conduit access box for forming a void in a poured concrete slab comprising a body portion and lid, the body portion having a seating flange and an outwardly angled seating rim, the lid having a bottom sized to fit over the seating flange and an outwardly angled lid rim abutting the seating rim. The lid is adapted to receive a concrete layer and has a pry lip for removal of the lid and a plateau for excluding concrete from a portion of the lid. The access box is set in place prior to pouring the concrete slab and the conduits are connected to its sides. The floor is then poured and allowed to harden. The lid is removed and the service lines are pulled through. The lid is then replaced with the lines extending through a hole cut in the plateau.

REFERENCES:
patent: Re28756 (1976-04-01), Fork
patent: 1229576 (1917-06-01), Boyton
patent: 1824571 (1931-09-01), Richardson
patent: 3823251 (1974-07-01), Heithecker et al.
patent: 3851674 (1974-12-01), Fork
patent: 3909912 (1975-10-01), Kiesling
patent: 3943272 (1976-03-01), Carroll et al.
patent: 4638115 (1987-01-01), Benscoter
patent: 4841699 (1989-06-01), Wilson et al.

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