METHOD FOR PRODUCING AN ABSORBER FOR A SOLAR COLLECTOR, AND A SOLAR COLLECTOR
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United States of America Patent
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app pub date -
Apr 24, 2012
filing date -
Apr 24, 2012
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Abstract
A method for producing a solar heat absorber for a solar collector, the solar heat absorber having a fluid inlet and a fluid outlet. The method includes the steps of providing a first and a second substantially flat metal plate, laser welding the plates together at least along a perimeter of the plates, providing at least a circumferential weld while pressing the plates together, placing the welded plates in a press that provides its pressure at the weld or welds and the press applying a pressure of at least 200 tons per m2 of absorber, and then providing a fluid under a pressure to the absorber via at least one of the fluid inlet and the fluid outlet.
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