发明授权
US06432887B1 Rolling device 有权
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Rolling device
摘要:
The rolling device of the present invention utilizes any one of 1) a lubricant containing a liquid fluorinated polymer oil having a kinetic viscosity at −20° C. falling within a range of between 100 mm2/sec and 3,000 mm2/sec and a vapor pressure at 50° C. not higher than 2×10−4 Torr, 2) a lubricant containing a liquid fluorinated polymer oil having a kinetic viscosity at 40° C. falling within a range of between 10 mm2/sec and 400 mm2/sec and having a kinetic viscosity at 100° C. falling within a range of between 3 mm2/sec and 80 mm2/sec, and 3) a lubricant constituted by a grease composition containing a mixture of a liquid fluorinated polymer oil having a kinetic viscosity at 40° C. falling within a range of between 10 mm2/sec and 400 mm2/sec as a base oil and a thickening agent.
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