Static structures (e.g. – buildings) – Shaped or strengthened by fluid pressure – Fluid pressure is subatmospheric
Patent
1975-07-14
1977-08-02
Murtagh, John E.
Static structures (e.g., buildings)
Shaped or strengthened by fluid pressure
Fluid pressure is subatmospheric
52 15, 52 66, E04B 1345
Patent
active
040387887
ABSTRACT:
A sliding roof for use on a building, particularly a sports hall, a swimming pool, the yard of a school or a shopping center, wherein in a supporting structure a plurality of parallel beams are slidably supported, two successive beams are interconnected by two layers of gas-tight cloth, the chambers formed by two beams and two layers of cloth are closed in a gas-tight manner near the ends of the beams, each chamber communicates with a compressor for the supply of a gas, particularly air, to said chamber and means are provided for securing in place the outermost beams with respect to the rims of the opening to be covered.
REFERENCES:
patent: 2455834 (1948-12-01), Ushakoff
patent: 3120682 (1964-02-01), Reffell
patent: 3151663 (1964-10-01), Bohner
patent: 3328926 (1967-07-01), Reinhard
patent: 3412509 (1968-11-01), Popil
patent: 3433470 (1969-03-01), Erke
patent: 3440776 (1969-04-01), Fraioli
patent: 3552072 (1971-01-01), O'Connell
patent: 3660951 (1972-05-01), Cadwell
patent: 3664069 (1972-05-01), Ikai
patent: 3742657 (1973-07-01), Price
patent: 3815299 (1974-06-01), Sorenson
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