Device for removing degraded concrete

Details Device for removing degraded concrete Device for removing degraded concrete

1985-03-14

1986-10-28

Leppink, James A.

Road structure, process, or apparatus

Apparatus

With in situ means for both comminuting and treating, e.g.,...

299 17, 299 36, E01C 2310

Patent

active

046195513

ABSTRACT:
A device for removing degraded concrete from a layer of concrete (11). The device includes a carrier (12) and a guide mechanism (13) on the carrier for guiding a nozzle device (14) along a path above the concrete layer. The nozzle device is provided with a noncavitating nozzle (16) which is inclined relative to the concrete layer such that the nozzle points in the direction of movement of the nozzle device for either direction of movement of the nozzle device.

REFERENCES:
patent: 2064660 (1936-12-01), Haas
patent: 2655408 (1953-10-01), Williams
patent: 2928322 (1960-03-01), Spitzer
patent: 3225842 (1965-12-01), Roeschen
patent: 3910815 (1975-10-01), Shelor
patent: 4081200 (1978-03-01), Cheung
patent: 4193635 (1980-03-01), Thiruvengadam et al.
patent: 4453773 (1984-06-01), Toffolon

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