Method and apparatus for cleaning concrete during cutting

Stone working – Sawing – Rotary

Reexamination Certificate

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Details

C451S350000

Reexamination Certificate

active

07073495

ABSTRACT:
A concrete cutting saw has wheels and a rotating cutting blade that cuts a groove in the concrete surface. A support is mounted to the saw to support the concrete surface adjacent the cutting blade to reduce raveling. One or more nozzles are mounted to the saw and in fluid communication with a gas source to provide a gas stream directed toward the support so the gas stream from the nozzle impinges on a leading end of the support. The one or more nozzles are located adjacent to and in front of a leading end of the support, and preferably blow on opposing sides of the plane containing the cutting blade.

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