Building encasement element

Details Building encasement element Building encasement element

2009-01-23

2010-12-14

Chilcot, Jr., Richard E (Department: 3635)

Static structures (e.g., buildings)

Shaped or strengthened by fluid pressure

Comprising spaced, sheetlike members and fluid chamber...

C052S002110, C052S002140, C052S002190, C052S002230, C052S002240, C052S002250

Reexamination Certificate

active

07849635

ABSTRACT:
Described is a building encasement element (100) with a foil cushion that comprises an outer foil layer (101) forming the outside of a building envelope and an inner foil layer (102) forming the outside of a building envelope, wherein these foil layers form, between themselves, at least one essentially fluid-tight, enclosed hollow space in which a fluid medium, in particular, air, is contained, and with a reinforcement element (107). The special feature of the invention consists in that the reinforcement element (107) divides the essentially fluid-tight, enclosed hollow space into a first, essentially fluid-tight, enclosed chamber (108) between the inner foil layer (102) and the reinforcement element (107) and into a second, essentially fluid-tight, enclosed chamber (109) between the outer foil layer (101) and the reinforcement element (107), the fluid medium in the first chamber (108) is pressurized with a first pressure and the fluid medium in the second chamber (109) is pressurized with a second pressure below that of the first, and the magnitudes of the first and second pressures and/or the ratio of the first and second pressures is formed so that the reinforcement element (107) reduces the stress on the foil layer (101) especially for outwards directed drag effects, in that a portion of the load on the outer foil layer (101) is transmitted via the pressurized fluid medium onto the reinforcement element (107).

REFERENCES:
patent: 3660951 (1972-05-01), Cadwell
patent: 4160523 (1979-07-01), Stevens
patent: 6108980 (2000-08-01), Braun
patent: 6463699 (2002-10-01), Bailey et al.
patent: 6860069 (2005-03-01), Morris
patent: 2004/0031207 (2004-02-01), Fleming
patent: 2004/0074151 (2004-04-01), Morris
patent: 2007/0094937 (2007-05-01), Pedretti

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