Protective cap for underfloor access housing

Details Protective cap for underfloor access housing Protective cap for underfloor access housing

1976-05-12

1977-03-22

Murtagh, John E.

Static structures (e.g., buildings)

Frangible section or means

In dissimilar material member

52221, 174 49, 220 34, E04F 1708, E04F 1908, H02G 328

Patent

active

040128733

ABSTRACT:
Protective covers for outlet openings of an underfloor access housing are provided to prevent ingress through the outlet opening of a subsequently poured layer of floor fill, such as concrete. The protective covers are enveloped by the floor fill and have upper peripheral edges spaced below the upper surface of the floor fill by up to 13/4 inches (44.5 mm). A release coating is interposed between the protective cover and the floor fill to facilitate separation of the covering floor fill.

REFERENCES:
patent: 2931533 (1960-04-01), Wiesmann
patent: 2975559 (1961-03-01), Hedgren

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