Static structures (e.g. – buildings) – Frangible section or means
Patent
1991-04-05
1994-04-05
Friedman, Carl D.
Static structures (e.g., buildings)
Frangible section or means
52 1, 52 801, 521231, E04B 100
Patent
active
052993973
ABSTRACT:
A frangible enclosure with low resistance to impact has a curvature such that a distributed load primarily is resisted by axial stresses generated therein, in little or no bending stresses are generated. Weakened portions are made in the enclosure which reduce the flexural strength of the enclosure. The enclosure is made of a plurality of panels, which panels are constructed of a composite laminate of fiber reinforced material. The panels are interconnected to form a housing, or enclosure. Weakened portions in the panel can be made by perforating or cutting the material of which the laminate is made. A floor system can also be provided for an enclosure. Such a floor system, which is also frangible, is made of a support frame upon which the floor panels rest and loosely engage. The floor support frame can be supported by the base of the enclosure, or other supporting objects in the enclosure. If the enclosure is used for an antenna, it also incorporates an ice prevention system having a plurality of frangible wires. An enclosure with such a construction will be able to withstand large distributed loads but break apart upon impact into pieces having a maximum dimension of at most a fixed size.
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Electronic Space Systems Corporation
Friedman Carl D.
Nguyen Kien
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