Method and apparatus for manufacturing and erecting concave meta

Communications: radio wave antennas – Antennas – Antenna with parasitic reflector

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206390, 359900, H01Q 1912

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active

052373371

ABSTRACT:
The present invention provides a method and apparatus for manufacturing at a manufacturing plant concave metallic membrane for concave reflectors such as solar energy collectors and antennas, rolling the concave metallic membrane onto a uniquely shaped mandrel for storage and transportation, transporting the rolled metallic membrane and mandrel to a site which is remote from the manufacturing plant, erecting a reflector support structure at the remote site, and attaching the concave metallic membrane to the reflector support structure. The invention includes a method for forming the concave metallic membrane into a paraboloid-like shape using non-uniform loading.

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Science Applications International Corp., "Advanced Composite Membrane Technology Final Report" SAIC Contract No. 063473 University of Ariz. Contract No. XK-6-06034-1 May 5, 1987.
L. M. Murphy, C. Tuan, Solar Energy Research Institute, "The Formation of Optical Membrane Reflector Surfaces Using Uniform Pressure Loading", SERI/TR-253-3025, Golden Col. Aug. 1987 pp. iii-viii, 1-2, 29-31.
Solar Kinetics Inc. "Contractor Report: Development of a Stretched Membrane Dish--Phase I" SAND-88-7035, Mar. 1989 pp. 1-3, 43-74, 97-100.
Bakr H. Khoshaim, "50 KW-Solar Membrane Concentrator" pp. 3-7, 14-19, 37-39, 56-58 --Soleras Workshop, MRI/SOL--1301 Kansas City, Mo., pp. 20-63.
"Solar Power-Plant with a Membrane Concave Mirror 50 kW", 10 pp. Germany, 1985.
C. Kutscher et al., "Membrane Dish Research Task FY 1987 Progress Report".

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