Road structure – process – or apparatus – Apparatus – With in situ means for both comminuting and treating – e.g.,...
Patent
1981-06-05
1984-06-12
Byers, Jr., Nile C.
Road structure, process, or apparatus
Apparatus
With in situ means for both comminuting and treating, e.g.,...
404 95, 404 92, 404108, 404111, E01C 2306
Patent
active
044538561
ABSTRACT:
A self-propelled pavement lane apparatus comprising a radial-frequency microwave generator extending across one lane of the roadway having an antenna with a slotted waveguide directed toward the roadway for heating a lane-wide stretch of the roadway. A ripping device is provided behind the microwave generator to rip up pavement which was heated by the microwave generator. A screw conveyor conveys the heated and ripped pavement inwardly toward a central axis of the apparatus where it is fed by a chute to a mixing chamber containing counter-rotating mixing blades. Fresh bituminous binder and/or filler may be added to the mixing chamber to be mixed with the ripped pavement which is then discharged from the mixing chamber by a second screw conveyor, to be distributed across the lane. Following the second screw conveyor is a finished plate for initially compacting the refinished surface. The apparatus includes a tank for containing hydraulic fluid for operating a generating unit to power the microwave generator as well as tanks for the filler and binder.
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Ceseri Pierluigi
Chiostri Mario
"Autostrade"-Concessioni e Costruzioni Autostrade S.p.A.
Byers Jr. Nile C.
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