One-piece reclosable cable and wire duct

Details One-piece reclosable cable and wire duct One-piece reclosable cable and wire duct

1991-07-24

1993-08-10

Nimmo, Morris H.

Electricity: conductors and insulators

Conduits, cables or conductors

Single duct conduits

174 72C, 174101, H02G 304

Patent

active

052351360

ABSTRACT:
A one-piece reclosable ducting system for electrical wiring or the like. The duct system includes an elongated channel and a mating channel cover. The channel and channel cover are formed as integral members in a dual-durometer plastics co-extrusion process. More specifically, the channel and channel cover are maintained in operative relationship along respective first edges by a flexible plastic hinge, again, co-extruded with the channel and cover. The flexible plastic hinge permits repeated access and closure of the channel without hinge fatigue. A cantilever tension arm or support beam is integrally formed in the ducting system and extends from the channel to bias and retain the channel cover in proper orientation thereby assuring latching of the cover while simultaneously maintaining overall ducting system structural integrity.

REFERENCES:
patent: 3786171 (1974-01-01), Shira
patent: 3939620 (1976-02-01), Bero
patent: 4248018 (1981-02-01), Casamayor
patent: 4602124 (1986-07-01), Santucci
patent: 4629826 (1986-12-01), Thomas
patent: 4857670 (1989-08-01), Frank et al.
patent: 4953735 (1990-09-01), Tisbo et al.

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