Static structures (e.g. – buildings) – Shaped or strengthened by fluid pressure – Fluid pressure is subatmospheric
Patent
1975-12-31
1977-11-01
Purser, Ernest R.
Static structures (e.g., buildings)
Shaped or strengthened by fluid pressure
Fluid pressure is subatmospheric
52223R, 52615, E04C 326
Patent
active
040559203
ABSTRACT:
A loadbearing construction element consisting of outer shells which define an air-tight cavity in which is supported insulating elements which form collectively an inner unit. Means are provided for evacuating the cavities of the inner unit and for subsequently pressurizing the components of the inner unit to form a composite core the components of which are fixedly connected to each other. Pressure against the components of the inner unit can be increased by adjustable screws extending through the outer shell into contact with a pressure plate forming part of the inner unit. In this manner, stresses in the element are created so that the outer shells and the components of the inner unit are reinforced and rendered resistant to bending.
REFERENCES:
patent: 1895667 (1929-03-01), Junkers
patent: 2742115 (1956-04-01), Strong
patent: 2799059 (1957-07-01), Stack
patent: 2918023 (1959-12-01), Bettcher
patent: 3011254 (1961-12-01), Melill
patent: 3140516 (1964-07-01), Stack
patent: 3149742 (1964-09-01), Hay
patent: 3161265 (1964-12-01), Matsch
patent: 3803784 (1974-04-01), Becker
patent: 3811239 (1974-05-01), Becker
patent: 3936553 (1976-02-01), Rowe
Purser Ernest R.
Radde Erich M. H.
Raduazo Henry
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