Shaftwall

Details Shaftwall Shaftwall

1976-05-03

1977-09-13

Purser, Ernest R.

Static structures (e.g., buildings)

Machine or implement

52303, 52481, 52495, E04C 307

Patent

active

040473554

ABSTRACT:
I-beam studs of sheet metal have overlapped shaftwall portions having holes to provide for flow of cooling air along the overlapped portions to prevent failure of the studs from fire. First drywall sheets are mounted in the studs on the shaftwall sides thereof, and second drywall sheets are secured to the studs at the corridor sides thereof.

REFERENCES:
patent: 3256666 (1966-06-01), Farmer
patent: 3271920 (1966-09-01), Downing, Jr.
patent: 3276179 (1966-10-01), Rallis
patent: 3394507 (1968-07-01), Doke
patent: 3483665 (1969-12-01), Miller
patent: 3517474 (1970-06-01), Lanternier
patent: 3533205 (1970-10-01), Pestel et al.
patent: 3562970 (1971-02-01), Schwartz
patent: 3609933 (1971-10-01), Jahn et al.
patent: 3839839 (1974-10-01), Tillisch et al.
patent: 3921346 (1975-11-01), Sauer et al.

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