Cutting of repetitive depressions in roadway surface

Details Cutting of repetitive depressions in roadway surface Cutting of repetitive depressions in roadway surface

1994-01-11

1995-10-10

Britts, Ramon S.

Road structure, process, or apparatus

Process

404 90, 404 93, 404 94, E01C 2309

Patent

active

054565472

ABSTRACT:
A machine and method of use to form Sonic Noise Alert Pattern (SNAP) type depressions in the surface of an asphalt road in a series to line the edge or center of a road. The machine installs a plurality of depressions in a group during a single cutting procedure. A repetition of these cutting procedures results in the desired series being formed. The machine has a single rotary type milling head with spaced sets of bits which will engage the surface of the road. Only where the spaced sets contact the surface will the cutting action be performed. From a stationary position an initial plunge cut brings the rotary cutting head in contact with the surface. Then a lateral movement of the rotary cutting head results in elongating and forming the desired sized depressions. Then the rotary cutting head is raised, the machine is advanced and the prior steps are repeated in repetition until the desired number of depressions have been formed.

REFERENCES:
patent: 5391017 (1995-02-01), Thomas et al.

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