Road structure – process – or apparatus – Process
Patent
1997-12-08
1999-09-28
Lisehora, James A.
Road structure, process, or apparatus
Process
404 75, 404 94, E01C 2309
Patent
active
059576200
ABSTRACT:
A method of milling is disclosed wherein mill actions from at least two cutting tools cooperate to form each respective depression in a surface of a road. These depression are generally utilized in series to inform an operator of a motor vehicle, using the produced vibration and/or noise, that the motor vehicle has left a normal driving area of the road. Variations of the invention include different methods of regulating elevational movement of each respective cutting tool. These methods include use of eccentric wheels, cam members and electronic control. Stationary positioning of each respective cutting tool on the depression installation machine is explained as is displaceable positioning wherein each respective cutting tool may be moved in a reciprocating manner to decrease operating time where the cutting tool is not capable of performing a milling action. Use of multiple cutting tool sets provide for each respective set to cooperate to form select depressions within a series of depressions. The different methods of determining milling depth of each respective cutting tool is explained with examples given.
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Thomas Amona Dianne
Thomas Glen Edward
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