Static structures (e.g. – buildings) – Facer held by stiffener-type frame – Back-to-back facers spaced by concealed framing
Patent
1979-11-08
1982-04-13
Ridgill, Jr., James L.
Static structures (e.g., buildings)
Facer held by stiffener-type frame
Back-to-back facers spaced by concealed framing
52738, 52781, E04C 307
Patent
active
043240828
ABSTRACT:
A metal stud, intended for use where the flanges on one side will be left exposed, having such exposed side flanges formed with an overlapped sheet metal portion, including an under flange and an over flange which are spaced apart to allow a cooling air flow therebetween, wherein the under flange includes means for providing a cooling flow of air or gases at the interface of the under flange and an adjacent gypsum board, which may be a rib in the under flange or a plurality of spaced apart holes in the under flange.
REFERENCES:
patent: 1307814 (1919-06-01), Fletcher
patent: 1502112 (1924-07-01), Moorman
patent: 1563651 (1925-12-01), Pomerantz
patent: 2663390 (1953-12-01), Dordel
patent: 3217460 (1965-11-01), Downing
patent: 3225726 (1965-12-01), Tennison
patent: 4047355 (1977-09-01), Knorr
Dawdy Jack A.
Mapes Carl R.
Rutkowski Edward J.
Wing Steven D.
Hause Robert F.
National Gypsum Company
Ridgill, Jr. James L.
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