RAILWAY WHEEL
Number of patents in Portfolio can not be more than 2000
United States of America
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Issued Date -
Dec 5, 2024
app pub date -
Jun 27, 2022
filing date -
Jun 27, 2022
priority date (Note) -
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status (Latency Note)
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Abstract
In a cross section of the hub part of the railway wheel of the present disclosure including the central axis, when regions of 15 mm×15 mm defined by a plurality of axial line segments which are parallel to the central axis and which are arranged at a pitch of 15 mm in a radial direction of the railway wheel from an inner peripheral surface of the through hole, and by a plurality of radial line segments which are perpendicular to the central axis and which are arranged at a pitch of 15 mm in the central axis direction from a surface of the hub part in which an opening of the through hole is formed are defined as rectangular regions, the average C concentration in each rectangular region in the cross section of the hub part is 1.40% by mass or less.
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