Method and mould for creating an aerodynamic element comprising riblets
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United States of America Patent
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Oct 5, 2021
Grant Date -
Nov 8, 2018
app pub date -
Nov 3, 2016
filing date -
Nov 5, 2015
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Abstract
A method for making an aerodynamic element, particularly for an aircraft, including an external face and a plurality of parallel ribs and/or grooves formed on the external face, the method including making the element and its ribs and/or its grooves simultaneously with a mold, including a step to supply a film made of a deformable material that includes ribs and/or grooves complementary to the ribs and/or grooves of the element, a step to position the film on a wall of the mold, a step in which the element is molded, a step in which the element is separated from the mold simultaneously with the film, and a step in which the film is separated from the element.
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