Roadway expansion joint cleaning brush has U-shaped head with bundles of hairpin-shaped wire bristles and metal spikes adapted for removal of dirt from deep grooves in road surface

摘要

The head of the cleaning brush has several bunches of e.g. 50 wire bristles. They are inserted into a U-shaped profile welded to the end of a handle. The wires make bristles 30 mm in length and may be 0.5 mm thick. The bundles of bristles may be mounted 25 mm apart. Individual steel spikes 2 mm in diameter and 25 mm long may be fitted between the bundles of bristles.