Snow sliding icy coating
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United States of America Patent
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N/A
Issued Date -
Feb 26, 2004
app pub date -
Mar 13, 2003
filing date -
Sep 14, 2000
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A covering has a property of allowing an accretion of snow to slide and comprises a coating layer formed on a surface of a substrate in order to prevent accretion of snow and ice. As for the coating layer, its external surface has such wettability that a contact angle relative to water is 70 degrees or greater, and also has such water sliding property that a waterdrop sliding angle is 40 degrees or less. Alternatively, the external surface of the coating layer has such water repellency that a surface tension is 35 dyne/cm or less, and also has such water sliding property that a waterdrop sliding angle is 40 degrees or less.
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