METHOD OF MANUFACTURING PIPE
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United States of America
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Issued Date -
Feb 6, 2025
app pub date -
Jul 2, 2024
filing date -
Jul 2, 2024
priority date (Note) -
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status (Latency Note)
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Abstract
A method of manufacturing a pipe extending along an axis of the pipe includes forming a blank material into a U-shaped member that extends along the axis and has a cross-section of U-shape, and forming the U-shaped member into a shape of the pipe. The pipe includes a large-diameter portion, a small-diameter portion, and a gradually-reduced-diameter portion. The gradually-reduced-diameter portion connects the large-diameter portion and the small-diameter portion to each other. In the method of manufacturing the pipe, at least one bead extending along the axis of the pipe is formed in a part, of the blank material or the U-shaped member, that corresponds to the gradually-reduced-diameter portion.
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