April 18, 2017
Minnich Manufacturing, a maker of concrete dowel pin drills, concrete paving vibrators and vibrator monitoring systems, has developed a concrete barrier wall drill. The tool drills vertical holes for the pins used to secure temporary concrete traffic barriers. Minnich, based in Mansfield, Ohio, said the air-driven and self-propelled drill straddles and rides along the top of the temporary wall. A tethered controller enables the operator to simultaneously drill three accurate, consistent pin holes — through