Vibrating tamping float

Details Vibrating tamping float Vibrating tamping float

1993-04-14

1995-05-23

Britts, Ramon S.

Road structure, process, or apparatus

Apparatus

Means to agitate material

404115, 40413305, 4041331, E01C 1940

Patent

active

054175178

ABSTRACT:
A vibrating tamping float for smoothing the top surface of freshly poured concrete, pushing coarse aggregates down into the concrete while allowing cream to surface, and reducing a formation of large air pockets in the concrete, includes a float body having a bottom surface and a pushing device for pushing coarse aggregates down into the concrete while allowing cream to surface. The pushing device includes a plurality of ribs mounted on the bottom surface of the float body. The ribs have a ramp on front and rear portions thereof for providing a smooth entrance into the concrete and pushing coarse aggregates downward as they are slid back and forth in the concrete. A vibrator is provided on the float body for vibrating the float body to reduce a formation of large air pockets in the concrete, to aid in pushing the coarse aggregates on the surface down into the concrete, and to aid in leveling-off and smoothing the top surface of the concrete.

REFERENCES:
patent: 1945145 (1934-01-01), Gordon
patent: 2446028 (1948-07-01), Spanseller
patent: 3306174 (1964-02-01), Wardell
patent: 3314341 (1964-10-01), Schulin et al.
patent: 3338144 (1967-08-01), Hart
patent: 3515042 (1976-06-01), Austin
patent: 4950102 (1990-08-01), Zeitz
patent: 5261762 (1993-11-01), Yamaguchi

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