Road structure – process – or apparatus – Apparatus – Material distribution means
Reexamination Certificate
2006-09-12
2006-09-12
Hartmann, Gary S. (Department: 3671)
Road structure, process, or apparatus
Apparatus
Material distribution means
C404S101000, C404S108000, C404S111000
Reexamination Certificate
active
07104724
ABSTRACT:
An apparatus for treating a pavement surface with a plurality of layers in a single pass, including: a chassis having a forward end and a rear end; a plurality of rolling means spaced longitudinally along the chassis for supporting the chassis so it can roll along a particular direction of advance; a powerplant for moving the chassis along the direction of advance; a first storage tank mounted on the chassis for containing bituminous sealant; a second storage tank mounted on the chassis for containing bituminous emulsion; a main hopper mounted on the chassis for storing aggregate particles; a first mechanism in flow communication with the first storage tank for applying a layer of bituminous sealant at a predetermined temperature and application rate on the pavement surface; a second mechanism in flow communication with the second storage tank for applying a layer of bituminous emulsion at a predetermined temperature and application rate on the layer of bituminous sealant, wherein a thermal reaction occurs between the bituminous sealant and the bituminous emulsion so as to accelerate a material break and cure time for the layers; and, a third mechanism in flow communication with the main hopper for providing a layer of aggregate particles at a predetermined application rate on the layers of bituminous sealant and bituminous emulsion during the thermal reaction.
REFERENCES:
patent: 5324136 (1994-06-01), Reymonet et al.
patent: 5895173 (1999-04-01), O'Brien et al.
patent: 6444258 (2002-09-01), Terry
Davidson, Esq. James P.
Hartmann Gary S.
Highway Preservation System, Ltd.
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