Static structures (e.g. – buildings) – Shaped or strengthened by fluid pressure – Fluid pressure is subatmospheric
Patent
1980-06-09
1981-11-24
Faw, Jr., Price C.
Static structures (e.g., buildings)
Shaped or strengthened by fluid pressure
Fluid pressure is subatmospheric
52 22, 47 17, E04B 134
Patent
active
043016260
ABSTRACT:
A heat convection barrier particularly adapted for use with greenhouses and warehouses consists of a series of inflatable tubes which are suspended beneath the roof of a structure and inflated into contact with each other to form a barrier against heat loss through the roof. Each of the tubes includes an integrally formed seam by which the tubes are suspended beneath the roof and an inflatable main body portion, and the tubes are spaced from each other a distance less than the inflated diameters of the main body portions so that when they are inflated they contact each other and form a continuous barrier. One end of each of the tubes is tied off and the opposite ends are split and wrapped about an apertured conduit and a low pressure fan or blower communicates with one end of the conduit to inflate the tubes. When it is desired to heat the roof of the structure to, for example, eliminate snow loads, the fan or blower may be turned off, allowing the tubes to deflate so that warm air may pass upwardly between the deflated tubes and contact the roof. Alternatively a conduit can be inserted between an adjacent pair of inflated tubes to permit warm air to be pumped into the space between the roof and the tubes.
REFERENCES:
patent: 2854014 (1958-09-01), Hasselgaist
patent: 3249682 (1966-05-01), Laing
patent: 3375321 (1978-03-01), Laing
patent: 3481073 (1969-12-01), Yoshida
patent: 3987592 (1976-10-01), Herminghaus
patent: 3999333 (1976-12-01), Amarantos
patent: 4027437 (1977-06-01), Monsky
Davis Donald L.
Strohlein, Jr. Adolph J.
Effective Conservation Systems, Inc.
Faw Jr. Price C.
Raduazo Henry E.
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