Static structures (e.g. – buildings) – Tensioned or flexed sheet facing
Patent
1984-06-22
1986-06-17
Ridgill, Jr., James L.
Static structures (e.g., buildings)
Tensioned or flexed sheet facing
521262, 174 48, E04B 548
Patent
active
045948267
ABSTRACT:
A raceway forming member for use with a cellular or non-cellular flooring unit having at least two longitudinal, spaced-apart, inverted channels connected by a web to define a trough therebetween. The raceway forming member comprises a longitudinal cover element sized to span the trough at a selected upper point of said channels and having edge means adapted to abut said channels, and at least one longitudinal separator member depending from and coextensive in length with said cover element to define at least two cell raceway.
REFERENCES:
patent: 1266574 (1918-05-01), Ford
patent: 2077513 (1937-04-01), Buttress
patent: 2090483 (1937-08-01), Mendez
patent: 2912848 (1959-11-01), Lee et al.
patent: 3397497 (1968-08-01), Shea et al.
patent: 3459875 (1969-08-01), Fork
patent: 3592956 (1971-07-01), Fork
patent: 3812636 (1974-05-01), Albrecht et al.
patent: 4194332 (1980-03-01), Fork
patent: 4454692 (1984-06-01), Ault
H. H. Robertson Company
Manias G. E.
Ridgill, Jr. James L.
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