NEEDLING APPARATUS
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United States of America Patent
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Issued Date -
Sep 21, 2023
app pub date -
Dec 4, 2020
filing date -
Aug 21, 2020
priority date (Note) -
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status (Latency Note)
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Abstract
A needling device includes: a needling assembly, a support, a base and a bearing frame. The base is provided inside the bearing frame, and the base is for bearing the preform body. The support is provided with a guide rail. The needling assembly is slidably connected to the support, and may slide along the guide rail, to needle the preform body. The needling assembly may perform an all-around needling operation to the circular-arc surface of the preform body, and depth and density of the needling by the needling assembly to the circular-arc surface of the preform body are even, which may prevent deformation and layering of the preform body during the deposition, to improve the processing quality of the preform body.
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