Air driven vibration cement float

Details Air driven vibration cement float Air driven vibration cement float

1985-06-21

1987-03-31

Novosad, Stephen J.

Road structure, process, or apparatus

Apparatus

Means to agitate material

404 97, 152354, E01C 1938

Patent

active

046539573

ABSTRACT:
A pneumatically energized hand-held vibrating cement float. A rectangular base plate is provided for contacting the surface of wet cement. Centrally disposed intermediate the ends of the base plate is a rotary ball vibrator, extending from which is a handle terminating in a pneumatic coupling. Fluid communication is provided internally of the handle between the coupling and the vibrator. Upon introducing pressurized air to the coupling, the base plate, which is in contact with the cement, vibrates in an amount sufficient to work suspended gravel and the like downward and to provide a finished surface.

REFERENCES:
patent: 1608004 (1926-11-01), Schoenberger
patent: 2023915 (1935-12-01), Connell
patent: 2400341 (1946-05-01), Day et al.
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patent: 2514626 (1950-07-01), Clipson
patent: 3137365 (1964-06-01), Bingel
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patent: 3376798 (1968-04-01), Bodine
patent: 3547223 (1970-12-01), Gibel
patent: 3993159 (1976-11-01), Amador
patent: 4431336 (1984-02-01), Nightengale et al.

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