Road structure – process – or apparatus – Apparatus – With means for profile shaping – e.g. – crown
Patent
1978-08-02
1980-04-08
Byers, Jr., Nile C.
Road structure, process, or apparatus
Apparatus
With means for profile shaping, e.g., crown
299 73, 299 87, 404105, 37189, 37DIG20, 172108, 172 71, E01C 1128
Patent
active
041970322
ABSTRACT:
An apparatus for concurrently preparing a ground surface and forming a continuous strip of paving material thereon, and which is characterized by the ability to simultaneously grade the ground surface substantially coextensively with the successive slip forming of the pavement material. The apparatus includes a ground trimmer and a following slip former, with the trimmer being laterally translatable with respect to the slip former so that the concurrent grading and slip forming functions can be performed along a curvilinear path while closely maintaining the lateral alignment of the graded ground surface with the successive placement of the paving material. Thus excessive ground surface is not graded, and no area requiring preparation is omitted. The trimmer includes helical flighting mounted on a drive shaft, and a plurality of cutting members arranged on the shaft in predetermined, circumferentially offset relative arrangement which eliminates excessive vibrations and interference with the slip forming operation.
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Byers Jr. Nile C.
Power Curbers, Inc.
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