| 摘要 |
An apparatus for producing grooves in plastic concrete bridge decks and the like having a cutter bar supporting a plurality of parallel cutter blades adapted to be embedded in the surface of a deck and a driving mechanism for imparting reciprocal movement of the blades transversely across the deck. The cutter bar is pivotally mounted on a carriage to permit the cutter bar to conform to the surface of the deck.
|
