Cleaning and liquid contact with solids – Apparatus – Automatic controls
Patent
1988-03-02
1990-03-27
Stinson, Frankie L.
Cleaning and liquid contact with solids
Apparatus
Automatic controls
134174, 134198, 134182, 239750, 239743, B08B 302
Patent
active
049111884
ABSTRACT:
An apparatus and method for removing concrete from a ceiling surface by hydrodemolition which includes a mobile truck unit adapted for movement along a floor surface or the like and which supports a pair of upstanding telescoping support arms having an elongated boom mounted at their upper ends in a manner to enable selective orientation of the boom relative to a ceiling surface. A carriage is mounted for reciprocating movement along the boom and carries an upwardly directed lance and discharge nozzle operative to discharge high pressure fluid, such as water, against a ceiling surface such that selective movement of the nozzle and mobile truck during high pressure fluid discharge are operative to remove concrete from the ceiling surface.
REFERENCES:
patent: 3027095 (1962-03-01), Paasche
patent: 3269659 (1966-08-01), Shelton et al.
patent: 3274860 (1966-09-01), Gauther et al.
patent: 3276695 (1966-10-01), Giardino et al.
patent: 3736909 (1973-06-01), Marangoni et al.
patent: 3817262 (1974-06-01), Caradeur et al.
patent: 3957203 (1976-05-01), Bullard
patent: 4676189 (1987-06-01), Takeuchi et al.
Midwest Hydro-Blasting, Inc.
Stinson Frankie L.
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