Method of Forming Three-Dimensional Features on an Interior Surface of an Article
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United States of America Patent
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Aug 4, 2016
app pub date -
Jan 29, 2016
filing date -
Jan 30, 2015
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Abstract
A method of forming a three-dimensional object on the interior surface of an article includes preparing a model with computer-aided design or computer software and dividing the model into layer-by-layer cross-section files; reading cross-section information in the layer-by-layer cross-section files by a spraying device; spraying and depositing liquid or powdered sprayed material layer by layer according to the cross-section information by the spraying device to form cross-sections, wherein the thickness and the resolution in the direction of the plane of the cross-section deposited by the spraying device are calculated in dpi or micrometers; and depositing and adhering the sprayed material layer by layer to form an article and depositing an interior surface three-dimensional object on an interior surface of the article according to the interior surface three-dimensional object information by the spraying device without use of injection molding, demolding and trimming procedures.
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