Method and apparatus for testing rubber tires or solid...

Measuring and testing – Tire – tread or roadway

Reexamination Certificate

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C451S001000, C451S002000

Reexamination Certificate

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07448261

ABSTRACT:
An eraser having the capability of absorbing oil or wax as a formulation of more than 50% styrene butadiene rubber (SBR). The eraser is particularly well suited for use in testing tires having oil or wax therein.

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patent: 6786800 (2004-09-01), Delmoro et al.

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