Forester Daily News
- September 30, 2015
- Tools for Trenching in OSHA's Soil Types
"LeRoy Hagenbuch is the president and chief engineer of Philippi-Hagenbuch, the company that manufactures the Rolling Wedge. Like Lewis, he agrees that hydraulic hammers are not an efficient way of breaking up rocks.
His product takes rock breaking a step further and does not even use a pick. He says his Rolling Wedge trencher works in a different way. “The Rolling Wedge is meant for those applications that are challenging. There’s basically two ways to break material: you can either crush it, or you can cause it to be pulled apart. And if you want a large chunk of concrete and you want to break it, if you get a hole in it, it’ll pop.” Read More here