Repair coupling for flexible electrical conduit

Details Repair coupling for flexible electrical conduit Repair coupling for flexible electrical conduit

1978-09-15

1981-07-14

Envall, Jr., Roy N.

Electricity: conductors and insulators

Conduits, cables or conductors

Combined

174 84C, 174109, 2940209, 403294, 403296, 285 32, H02G 116

Patent

active

042788366

ABSTRACT:
A repair coupling for flexible electrical conduit comprised of helically wrapped loosely interlocked metallic strip, said coupling being characterized by its initially enlarged arcuate cross section adapted to be constricted into tube form, the interrupted perimeter of the initial cross section providing an opening longitudinally coextensive with the coupling body for the lateral reception of wires, the body being reformed to have a continuous circumference of predetermined diameter for threaded engagement into the conduit sections joined thereby.

REFERENCES:
patent: 848819 (1907-04-01), Freeman
patent: 1808542 (1931-06-01), Ginsburg
patent: 3728473 (1973-04-01), Kuo

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