Resilient tires and wheels – Tires – resilient – Anti-skid devices
Reexamination Certificate
2006-03-03
2010-06-29
Maki, Steven D (Department: 1791)
Resilient tires and wheels
Tires, resilient
Anti-skid devices
C149S019900, C149S117000
Reexamination Certificate
active
07743807
ABSTRACT:
A tread rubber composition for tires, including a sublimation dye that is activated by heat generated by frictional contact with a road surface to generate smoke having various colors at a wavelength of about 39-76×10−6cm (390 nm to 760 nm) in a frequency range of about 39.5˜77×1013vps (39.5×1013Hz to 77×1013Hz. In addition, a tire including the tread rubber composition and a method of manufacturing the tread rubber composition are also provided. According to the current invention, the tread rubber composition included in the tire can generate smoke having a single color or mixed colors selected from among various colors, therefore obtaining smoke that gives optimal enjoyment and satisfies requirements of drivers at motor sports events, such as drifting.
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Palombo, Jim, “The evolution of colored smoke tires”, Rubber World, Mar. 2007, eight pages.
Kumho Tire Co., Inc.
Maki Steven D
Wegman Hessler & Vanderburg
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