Apparatus and Method for Forming Arbitrarily-Shaped Fiber-Bundle-Based Preforms
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United States of America Patent
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Issued Date -
Jun 1, 2023
app pub date -
Nov 27, 2022
filing date -
Nov 29, 2021
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Abstract
An apparatus for forming a fiber-bundle-based preform from a preform precursor material includes a process head coupled to a robotic arm. The process head has at least two rollers, a heated region, and a cooled region. A length of preform precursor material is passed through the rollers and fixed at a first end thereof. The process head moves relative to the preform precursor material, following a path defined by the movement of the robotic head. The path comports with the desired shape of the fiber-bundle-based preform. As the process head moves, it softens a portion of the preform precursor material, which then passes through the two rollers, the combination thereof incrementally altering the shape of preform precursor material to that of the preform. After passing the rollers, the newly formed region of preform is cooled to set its shape. The process head continues to move relative to the preform precursor material until the preform is fully formed.
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