Static structures (e.g. – buildings) – Shaped or strengthened by fluid pressure – Fluid pressure is subatmospheric
Reexamination Certificate
2007-07-20
2010-06-15
Glessner, Brian E (Department: 3633)
Static structures (e.g., buildings)
Shaped or strengthened by fluid pressure
Fluid pressure is subatmospheric
C052S002110, C052S002130, C052S002150, C052S002180, C052S002210, C052S742140
Reexamination Certificate
active
07735265
ABSTRACT:
An inflatable and rigidizable structure for use as a habitat or a load bearing structure is disclosed. The structure consists of an outer wall and an inner wall defining a containment member and a bladder. The bladder is pressurized to erect the structure from an initially collapsed state. The containment member is subsequently injected with rigidizable fluid through an arrangement of injection ports. Exhaust gases from the curing rigidizable fluid are vented through an arrangement of exhaust ports. The rate of erection can be controlled by frictional engagement with a container or by using a tether. A method for fabricating a tubular structure is disclosed.
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Schnell, Andrew, An Investigation into the Fabrication of Foam-Rigidized Inflatables, Aug. 10, 2001, pp. 1-6.
Schnell, A. R., Tinker, M. L., Buckling, Stiffness, and Modal Characterization of Foam-Rigidized Thin Film Deployable Structures, AIAA, 2003, pp. 1-6, AIAA-2003-1826, USA.
Schnell Andrew R.
Tinker Michael L.
Belasco David A.
Glessner Brian E
Hijaz Omar
McGroary James J.
The United States of America as represented by the Administrator
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