Sealing device for axle bearing
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United States of America Patent
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Nov 25, 2014
Issued Date -
N/A
app pub date -
May 25, 2012
filing date -
Jun 13, 2011
priority date (Note) -
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Abstract
A sealing device for an axle bearing includes a lubricant maintained on sliding contact surfaces, thereby suppressing elevation of torque due to the depletion of grease. A lubricant-adsorbing layer comprises a thickener and a binder. The lubricant comprises a base oil and a thickener. The thickener and the thickener are mutually attracted. A lubricant layer of a prescribed thickness is formed on the lubricant-adsorbing layer. This lubricant layer adheres closely to the lubricant-adsorbing layer making it difficult to separate the lubricant layer from the lubricant-adsorbing layer.
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