SLIDING APPARATUS AND METHOD FOR MANUFACTURING SAME
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United States of America Patent
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Issued Date -
Oct 24, 2024
app pub date -
Aug 12, 2022
filing date -
Aug 12, 2022
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Abstract
There is provided a sliding apparatus having low frictional resistance with a snow surface or an ice surface and excellent sliding properties. A sliding apparatus for sliding on a sliding object (snow surface or ice surface) has a sliding surface (1) contacting the sliding object. The sliding surface (1) is divided into a plurality of regions (1A, 1B, 1C) different in the surface arithmetic mean roughness Ra, and the plurality of regions (1A, 1B, 1C) is arranged in order along the longitudinal direction. Among the plurality of regions (1A, 1B, 1C), the surface arithmetic mean roughness Ra of a front region (1A) which is a region first contacting the sliding object in sliding is smaller than the surface arithmetic mean roughness Ra of the rear region (1B) positioned rearward in the sliding direction with respect to the front region (1A).
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