Utility box construction and ring therefor

Details Utility box construction and ring therefor Utility box construction and ring therefor

1988-06-10

1989-09-05

Marcus, Stephen

Receptacles

Outlet or junction box type

Sectional receptacle

220 38, B65D 122, B65D 148

Patent

active

048630594

ABSTRACT:
Utility box construction having an enclosure formed of concrete with an opening in its top side. A ring-like protective cap formed of plastic is mounted in the concrete enclosure and circumscribes the opening. The ring-like cap has a side wall, a continuous outwardly extending rim formed integral with the upper extremity of the side wall and a continuous inwardly extending rim formed integral with the lower extremity of the side wall. The side wall has formed integral therewith vertically extending spaced apart rib portions which are tapered inwardly into the opening as they extend downwardly. The inwardly extending rim having vertically extending horizontally disposed rib portions in alignment with the rib portions on the side walls. An upstanding lip is formed integral with the inwardly extending rim. The upstanding lip extends parallel to but is spaced from the side wall.

REFERENCES:
patent: 1213478 (1917-01-01), Haase
patent: 1537600 (1924-07-01), Grogan
patent: 2370034 (1945-02-01), Haugland
patent: 4048766 (1977-09-01), Dantzer et al.
patent: 4318254 (1982-03-01), Stegmeier
patent: 4408420 (1983-10-01), Haase

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