Constant velocity joint
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United States of America Patent
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Jul 27, 2010
Grant Date -
Dec 27, 2007
app pub date -
Nov 25, 2005
filing date -
Nov 25, 2004
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Each boot of a tripot type constant velocity joint comprises a polyester-based thermoplastic elastomer (TPC). A grease encapsulated in the boot comprises a base oil, a thickening agent comprising a diurea-based compound, molybdenum dialkyldithiocarbamate sulfide, a sulfur-phorsphorous based extreme-pressure agent being a sulfur-phosphorus based compound containing sulfur and phosphorous as constituting elements, and potassium borate hydrate.
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