Electrical box seal construction

Details Electrical box seal construction Electrical box seal construction

1978-07-19

1979-07-31

Ward, Jr., Robert S.

Electricity: circuit makers and breakers

Electric switch details

Cases and bases

339123, 220242, 220359, H01H 904

Patent

active

041631374

ABSTRACT:
A gasket for sealing around a wall opening to prevent passage of air, the opening having an electrical box therein with an electrical device mounted in the gasket comprising a thin sheet of flexible, air impervious material slightly larger than the wall opening and slightly smaller than the cover plate for the device and having at least one opening therein for receiving a portion of the device which protrudes from the box and through a corresponding opening in the cover plate, the sheet having pressure sensitive adhesive on one side for sealing engagement with the wall surface surrounding the opening therein and with the surface of the device facing the cover plate.

REFERENCES:
patent: 3147055 (1964-09-01), Rubens
patent: 3201740 (1965-08-01), Rubens
patent: 3252611 (1966-05-01), Weitzman et al.
patent: 3339228 (1968-07-01), Zerwes
patent: 3780249 (1973-12-01), Harper
patent: 3875654 (1975-04-01), Ushijima
patent: 4072316 (1978-02-01), Decker et al.

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