Diamond trowel blade

Details Diamond trowel blade Diamond trowel blade

2007-08-14

2007-08-14

Hartmann, Gary S. (Department: 3671)

Road structure, process, or apparatus

Apparatus

Tool rotating in horizontal plane

C404S075000

Reexamination Certificate

active

10919047

ABSTRACT:
A diamond trowel blade20comprises diamond particles that will attach to a power trowel for surface preparation of hardened concrete surfaces. The diamond trowel blade includes a diamond bearing surface22, for preparing the concrete surface; a backing plate24for supporting the diamond bearing surface; and a mounting arm26for attaching the trowel blade20to the power trowel. A method for mechanically preparing a concrete surface with a diamond trowel blade20attached to a power trowel including the surface preparing steps of; selecting the diamond trowel blade20with the appropriate grit for the concrete surface, installing the diamond trowel blades20on the power trowel, and directing the rotating diamond trowel blade20over the surface until the smoothness is attained for the particular grit in use; and repeating the steps until the user achieves the smoothness desired.

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