Method of installing respective depressions utilizing cooperation between milling actions of multiple cutting tools and machine to perform same

A method of milling to form a finished depression into a surface of a road at a select positional placement location using a cooperation between respective milling actions of at least two cutting tools, the method of milling comprising the steps of:

• a) providing a depression installation machine comprising:
• 1) motion means to provide for moving the depression installation machine relative to the surface of the road;
• 2) a first cutting tool to provide for a first milling action to mill the surface of the road to remove a first amount of a road material at the select positional placement location;
• 3) at least one additional cutting tool, each additional cutting tool to provide for a subsequent milling action to mill the road to remove a subsequent amount of the road material at the select positional placement location, wherein a final milling action is produced by a final cutting tool, the final cutting tool being one of the additional cutting tools, the final milling action completing production of the finished depression;
• b) providing elevational height adjustment means to provide for altering an elevational height of each respective cutting tool relative to the surface of the road, the respective cutting tools being the first cutting tool and any additional cutting tools, the elevational height adjustment means controlled by passage of at least a portion of the depression installation machine relative to the road;
• c) providing penetration control means to provide for controlling a respective milling action of each respective cutting tool to mill a quantity of the road material of the road at the select positional placement location of the depression, the respective milling actions being the first milling action and any subsequent milling actions;
• d) providing positional control means to provide for positioning the respective milling actions of the respective cutting tools at the select positional placement location to provide for the cooperation to form the finished depression at the select positional placement location of the depression;
• wherein the depression milling machine moves relative to the surface of the road and forms the finished depression at the select positional placement location utilizing the cooperation between the respective milling actions of the respective cutting tools.

A depression installation machine to provide for forming a finished depression in a road wherein a plurality of cutting tools sequentially mill respective portions of a road material from the road to form the finished depression, the depression installation machine comprising:

• a) motion means to provide for moving the depression installation machine relative to the road;
• b) a first cutting tool to provide for a first milling action to mill the road at a select positional placement location to remove a first amount of the road material;
• c) at least one additional cutting tool, each additional cutting tool to provide for a subsequent milling action to mill the road to remove a subsequent amount of the road material at the select positional placement location, wherein a final milling action is produced by a final cutting tool, the final cutting tool being one of the additional cutting tools, the final milling action completing production of the finished depression;
• d) elevational height adjustment means to provide for altering an elevational height of each respective cutting tool relative to the surface of the road, the respective cutting tools being the first cutting tool and any additional cutting tools, the elevational height adjustment means controlled by passage of at least a portion of the depression installation machine relative to the road, the elevational height adjustment means to further provide for controlling a respective milling action of each respective cutting tool to mill a select quantity of the road material of the road at the select positional placement location of the depression, the respective milling actions being the first milling action and any subsequent milling actions;
• e) positional control means to provide for positioning the respective milling actions of the respective cutting tools at the select positional placement location to provide for a cooperation of the milling actions of the cutting tools to form the finished depression at the select positional placement location of the depression;
• wherein the depression milling machine moves relative to the surface of the road and forms the finished depression at the select positional placement location utilizing the cooperation between the respective milling actions of the respective cutting tools.