Cellular raceway

Details Cellular raceway Cellular raceway

1989-07-13

1991-01-22

Murtagh, John E.

Static structures (e.g., buildings)

Tensioned or flexed sheet facing

E04F 1708

Patent

active

049860453

ABSTRACT:
A cellular raceway constructed of roll formed pieces all welded together including a base member, an upper member, and a barrier. The base member has a center section and outboard sections with ribs respectively connecting the center section to the outboard sections. The upper member has a center section disposed over the base center section, outboard sections respectively disposed over the base outboard sections together with outboard walls extending toward and welded to the base outboard sections. The barrier may comprise angle pieces or a hat-shaped piece. The barrier provides electrical separation for the forming of power and communication cells.

REFERENCES:
patent: 3420018 (1969-01-01), Fork
patent: 3435568 (1969-04-01), Hoseason
patent: 4338484 (1982-07-01), Littrell
patent: 4593506 (1986-06-01), Hartman
patent: 4593507 (1986-06-01), Hartman
patent: 4594826 (1986-06-01), Gray

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