Road structure – process – or apparatus – Process – In situ treatment of earth or roadway
Patent
1988-05-31
1991-12-17
Neuder, William P.
Road structure, process, or apparatus
Process
In situ treatment of earth or roadway
404 89, 404 93, E01C 2302
Patent
active
050730622
ABSTRACT:
A method and apparatus is disclosed for producing grooves in plastic concrete bridge decks, airport runways and the like having a cutter bar supporting a plurality of parallel cutter blades adapted to be imbedded in the surface of a deck. The cutter bar is adapted to be moved transversely across the deck and is mounted for pivotal movement on an axis normal to its transverse movement. The extent of pivotal movement is such as to raise and maintain the leading ends of the cutter blades slightly above the surface of the deck during the transverse movement.
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patent: 3648575 (1972-03-01), Rasmussen
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patent: 3775018 (1973-11-01), Barton
patent: 3810709 (1974-05-01), Weaver et al.
patent: 4744694 (1988-05-01), Leone
Chiama Bernard A.
Neuder William P.
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