Static structures (e.g. – buildings) – Tensioned or flexed sheet facing
Patent
1979-03-12
1981-03-10
Bell, J. Karl
Static structures (e.g., buildings)
Tensioned or flexed sheet facing
52653, E04C 326
Patent
active
042545994
ABSTRACT:
The invention relates to an annular three-dimensional structure usable in particular as reinforcement, said structure being formed of a regular criss-cross of elongated filiform elements distributed in four families, the elements of each family being disposed in parallel, regularly spaced apart sheets themselves constituted by elements extending substantially parallel to one another and regularly spaced apart. The elements in each sheet have a different orientation from that of the elements of the adjacent parallel sheet of another family, the elements of at least two families being incurved in opposite directions. The structure appears formed by the regular repetition of a parallelepipedic unit cell containing at least one segment of element of each of the four families, these elements being oriented substantially along the four large diagonals of this parallelepiped and the elementary meshes of the structure conserve substantially the same orientation with respect to the axis of the structure, all around this axis.
REFERENCES:
patent: 3501880 (1970-03-01), Bosch
patent: 3893270 (1975-07-01), Schupack et al.
patent: 4092811 (1978-06-01), Lin et al.
Bell J. Karl
Societe Europeenne de Propulsion
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