Grease composition and bearing
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Mar 31, 2015
Grant Date -
May 30, 2013
app pub date -
Nov 23, 2012
filing date -
Nov 25, 2011
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Abstract
The present invention provides a grease composition which has excellent conductivity and can rapidly remove static electricity generated by using a bearing. The grease composition comprises a base oil, a thickener and a tungsten disulfide powder, wherein the average particle diameter of the tungsten disulfide powder is 0.5 to 5.0 μm and the amount of tungsten disulfide powder based on 100 parts by mass of the total amount of base oil and thickener is 2.0 to 4.0 parts by mass.
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