METHOD AND DEVICE FOR PRODUCING OR RESTORING OR RECEIVING A ROAD COVER FROM ASPHALT, CONCRETE OR THE LIKE IN THE AREA OF INSERTED SHAFTS AND THE LIKE

摘要

1. Method for building or restoring or, respectively, maintaining a road surfacing of asphalt, concrete or the like in the surrounding of pits and the like let into the road, with the coating being partially removed in the surrounding of the pit characterized in that a bore in form of an annular cylinder is let in around the pit by means of a cylinder-jacket-shaped drill bit.