Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Robert Parkinson
Date of Patent
October 10, 2023
Patent Application Number
17613429
Date Filed
May 14, 2020
Patent Citations
Patent Citations Received
Patent Primary Examiner
CPC Code
Patent abstract
A controlled shear vacuum forming method that includes forming a three-dimensional (3D) structure from a preform material on a molding tool using restraints during vacuuming to prevent wrinkling. The restraints are withdrawn during vacuuming to allowing the preform material to come into contact with the sidewalls of the molding tool in a gradual manner. Such forming method is particularly suitable for forming wing spars with bent sections and/or curved contours.
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