Tubular structure

Details Tubular structure Tubular structure

1975-06-20

1977-03-08

Ridgall, Jr., James L.

Static structures (e.g., buildings)

Compound curve structure

Hyperbolic parabloid shape

52222, 52224, 261111, 261DIG11, 52245, E04B 714, E04B 106

Patent

active

040105806

ABSTRACT:
The invention relates to a structure, such as a cooling tower, comprising a waisted tubular envelope consisting of a membrane made of a material which is capable of supporting tension in all directions in its plane. The membrane is pre-tensioned and carried with its tubular axis upright from a support which provides the vertical component of the pre-tensioning.

REFERENCES:
patent: 2351121 (1944-06-01), Hart
patent: 2670818 (1954-03-01), Hacker
patent: 2814435 (1957-11-01), Fordyce
patent: 3304351 (1967-02-01), Sweeney
patent: 3422883 (1969-01-01), Daltry
patent: 3637193 (1972-01-01), Kugler et al.
patent: 3776306 (1973-12-01), Michel
patent: 3846519 (1974-11-01), Spangemacher

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