Static structures (e.g. – buildings) – Wall – ceiling – floor – or roof designed for ventilation or...
Patent
1976-06-15
1981-05-19
Murtagh, John E.
Static structures (e.g., buildings)
Wall, ceiling, floor, or roof designed for ventilation or...
5230912, 52338, 52435, E04B 124, E04C 210
Patent
active
042676789
ABSTRACT:
A poured concrete insulated deck structure comprising a series of parallel sub-purlins having horizontal flanges extending outwardly at the lower portion of the sub-purlin, a temperature resistant, moisture permeable formboard resting on flanges between adjacent sub-purlins, the formboard having secured to its upper surface rigid synthetic polymer foam having spaces vertically therethrough providing communication from the upper side of the formboard to the upper side of the foam, spaces having an area of more than about 5 percent of the area of the formboard, and poured concrete adjacent the upper side of the foam and extending through the spaces contacting the upper side of the formboard, the concrete completing drying by escape of moisture through the formboard. The structure of this invention results in a unitized structure affording high strength, high insulation properties, fire resistance, design versatility and economy.
REFERENCES:
patent: 2174581 (1939-10-01), Hoge
patent: 2730942 (1956-01-01), Peterson
patent: 3203146 (1965-08-01), Carter
patent: 3269071 (1966-08-01), Johnson
patent: 3318063 (1967-05-01), Stone
patent: 3531901 (1970-10-01), Will
patent: 3619961 (1971-11-01), Sterrett
patent: 3884009 (1975-05-01), Frohlich
patent: 3962841 (1976-06-01), Carroll
patent: 3965633 (1976-06-01), Carroll
patent: 3965641 (1976-06-01), Carroll
Carroll Research, Inc.
Murtagh John E.
Speckman Thomas W.
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