Static structures (e.g. – buildings) – Shaped or strengthened by fluid pressure – Fluid pressure is subatmospheric
Patent
1987-09-28
1989-04-11
Ridgill, Jr., James L.
Static structures (e.g., buildings)
Shaped or strengthened by fluid pressure
Fluid pressure is subatmospheric
135 97, E04B 134
Patent
active
048193895
ABSTRACT:
A tent uses outer and inner inflatable frame sections secured to one another in an inner-outer relationship to provide improved rigidity and support, and improved structural integrity upon puncture of one of the inflatable sections. The tent is provided with an inflatable base to which the first and second frame sections are secured. The tent covering is secured between the first and second frame sections. A rain fly draped over the outer frame section can be maintained spaced apart from the tent covering material. The shape and arrangement of frame sections and base provide a tent which is stable, rigid, and free-standing.
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