Stud having struck-out flanges and fire-rated wall structure for

Details Stud having struck-out flanges and fire-rated wall structure for Stud having struck-out flanges and fire-rated wall structure for

1975-05-27

1976-03-02

Perham, Alfred C.

Static structures (e.g., buildings)

Facer held by stiffener-type frame

Back-to-back facers spaced by concealed framing

52495, 52735, E04B 230, E04B 278

Patent

active

039408990

ABSTRACT:
A metal stud for constructing a fire-rated wall and the wall structure formed of a plurality of studs mounted in runners and having at least two spaced-apart layers of wallboard panels with adjacent panels in abutting relationship, the stud being formed of an integral piece of sheet metal and comprising a single layer web having a first plurality of oppositely directed flange means at one edge thereof, a web substantially perpendicular to the flange means, and a panel at the other edge of the web for supporting wallboard panels. Medial portions of the web are struck-out at longitudinally spaced-apart intervals to form a second pair of oppositely directed flange means substantially parallel to and spaced-apart from the first pair of oppositely directed flange means, the first and second flange cooperating with a portion of the web therebetween to define a plurality of oppositely directed channels engaging edges of a first layer of wallboard panels, and a second layer of wallboard panels affixed to the panels of the stud at the other end of the web, the over-all wall structure having excellent fire-rating properties.

REFERENCES:
patent: 999752 (1911-08-01), Connell
patent: 3271920 (1966-09-01), Downing, Jr.
patent: 3702044 (1972-11-01), Balinski
patent: 3732657 (1973-05-01), Nelsson
patent: 3740912 (1973-06-01), Sauer et al.
patent: 3839839 (1974-10-01), Tillisch et al.
patent: 3841048 (1974-10-01), Jahn

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