Patent ID: 6969537
Filing Date: 2005-11-29
Classification: B60C,C10M,C10N

Abstract:
1. A method of lubricating the interface between a supporting ring and inner surface of a tire for use with a rim for a tire having two beads, comprising the step of providing a lubricant at said interface, said lubricant comprising at least 60 percent by weight of polydimethylsiloxane, from about 7 to about 13 weight percent of amorphous silica, and from about 7 to about 13 weight percent of hydroxy-terminated dimethyl siloxane; wherein said lubricant has a storage modulus G′ in a range of about 40,000 to about 130,000 dyne/cm 2 , measured in a frequency range of about 0.1 to about 100 radians/second at 100° C.