GREASE COMPOSITION AND CONSTANT VELOCITY JOINT
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United States of America Patent
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Issued Date -
Aug 2, 2012
app pub date -
Oct 5, 2010
filing date -
Oct 5, 2009
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Abandoned
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Abstract
The invention provides a grease composition containing (a) a base oil, (b) a lithium soap based thickener, (c) at least one stearic acid metallic salt selected from the group consisting of Ca stearate, Mg stearate and Zn stearate, (d) molybdenum dialkyl dithiocarbamate sulfide, and (e) zinc dialkyl dithiocarbamate sulfide. The present invention also provides a constant velocity joint such as a Barfield constant velocity joint (BJ), double offset constant velocity joint (DOJ), tripod constant velocity joint (TJ) or the like, containing the above-mentioned grease composition therein. The grease composition of the invention is excellent in antiwear properties and suitable for the constant velocity joint.
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