Road structure – process – or apparatus – Apparatus – With means for in situ material preparation – e.g. – mixing
Patent
1977-03-17
1981-11-17
Byers, Jr., Nile C.
Road structure, process, or apparatus
Apparatus
With means for in situ material preparation, e.g., mixing
172600, 172584, 404101, 404108, E01C 2312
Patent
active
043008534
ABSTRACT:
Apparatus for use in combination with a road working machine for mixing a liquid plasticizing agent within a layer of scarified road surface materal is disclosed. The apparatus includes an array of discs for lifting and turning the scarified road surface material and a nozzle supported in a position for spraying the liquid plasticizing agent upon the road surface material as it is lifted and turned by the discs. In a preferred embodiment, the discs are secured to a rotatable shaft which is mounted for angular movement through a plane lying transverse to the direction of travel so that the disc assembly may follow longitudinal undulations in the road surface. A method for restoring a paved road surface which may be carried out by the apparatus described above includes the steps of scarifying a heated road surface to break up the road surface material, turning the scarified road surface material with the disc assembly and simultaneously mixing a liquid plasticizing agent with the scarified road material as it is turned. Thereafter, the mixture of the plasticizing agent and scarified road surface material is screeded to proper contour and compacted to form a smooth roadway surface.
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Byers Jr. Nile C.
Jackson, Sr. James A.
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