Kit for producing fireproof cable ducts

Details Kit for producing fireproof cable ducts Kit for producing fireproof cable ducts

1986-10-31

1989-01-17

Askin, Laramie E.

Electricity: conductors and insulators

Conduits, cables or conductors

Combined

138149, 138158, 169 48, 174101, H02G 304

Patent

active

047989173

ABSTRACT:
A kit, which is particularly intended for the fireproof laying of cables and ducts, has endwise connectable, self-supporting components made from thermally insulating material and substantially elongated metal reinforcements. The self-supporting components are duct sections (4 to 12), which in each case comprise a trough section (4' to 12') made from thermally insulating material and externally reinforced by longitudinally continuous sheet metal parts (16) and which has a substantially U-shaped cross-section, and a cover (4" to 12") also made from a thermally insulating material. The trough sections (4' to 12') being in each case equipped for the cover-less laying of the duct (1), are connectable with adjacent trough sections (4' to 12'); and the associated covers (4" to 12") are detachably fixable.

REFERENCES:
patent: 3642531 (1972-02-01), Peterson
patent: 4223175 (1980-09-01), Crew et al.
patent: 4433732 (1984-02-01), Licht et al.
patent: 4438785 (1984-03-01), Morrison et al.
patent: 4584214 (1986-04-01), Eiermann

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