Static structures (e.g. – buildings) – Shaped or strengthened by fluid pressure – Fluid pressure is subatmospheric
Patent
1981-02-11
1987-05-05
Friedman, Carl D.
Static structures (e.g., buildings)
Shaped or strengthened by fluid pressure
Fluid pressure is subatmospheric
E04B 134
Patent
active
046621270
ABSTRACT:
A self supporting, mobile, removable roof for building structures including a plurality of helium filled balloons within a shell. Propulsion means and piloting cabin are provided.
REFERENCES:
patent: 2411316 (1946-11-01), Capita
patent: 2850026 (1958-09-01), Leatherman
patent: 3129911 (1964-04-01), Fitzpatrick
patent: 3999333 (1976-12-01), Amarantos
patent: 4257199 (1981-03-01), Kuboyama
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