Pavement repair system utilizing solid phase autoregenerative cohesion

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United States of America Patent

PATENT NO 9481967
APP PUB NO 20150267360A1
SERIAL NO

14732296

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Abstract

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A method for repairing asphalt pavement involves passing an emitter over a surface of a damaged asphalt pavement comprising aged asphalt, wherein the emitter comprises a birefringent material through which the electromagnetic radiation generated by the emitter passes, wherein the emitter generates electromagnetic radiation having a wavelength of from about 2 microns to 1 millimeter, the radiation penetrating into the pavement to a depth of at least 2 inches, wherein a temperature differential throughout a top two inches of pavement is 100° F. or less, wherein a highest temperature in the top two inches of pavement does not exceed 300° F., and wherein a minimum temperature in the top two inches of pavement is at least 200° F.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Coe, William B Wrightwood, US 48 592

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