The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 08, 1977
Filed:
Jun. 20, 1975
Applicant:
Inventors:
Gunter Mayr, Stuttgart, DT;
Fritz Leonhardt, Stuttgart, DT;
Wolfhart Andra, Stuttgart, DT;
Willi Baur, Stuttgart, DT;
Wilhelm Zellner, Stuttgart, DT;
Jorg Schlaich, Stuttgart, DT;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E04B / ; E04B / ;
U.S. Cl.
CPC ...
52 80 ; 52222 ; 52224 ; 261111 ; 261D / ; 52245 ;
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.