Cleaning and liquid contact with solids – Processes – With treating fluid motion
Patent
1989-12-13
1991-06-11
Davis, Curtis R.
Cleaning and liquid contact with solids
Processes
With treating fluid motion
134 16, 134 36, B08B 300
Patent
active
050229273
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 and 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), Gauthier 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.
Brochure of Atlas Copco entitled "Equipment Hydro-Demolition CONJET", and apparently published in Sweden in Feb., 1986.
Single page brochure entitled "Attachment for CONJET-Under-UP FEED" (98511552 01) bearing legend Printed in Sweden 87/08.
Single page Atlas Copco brochure entitled "Attachment for CONJET-SURVEY" (985 1591 01) bearing legend Printed in Sweden 87/08.
Single page Atlas Copco brochure entitled "Attachment for CONJET-VERTICAL FEED" (9851 151801) bearing legend Printed in Sweden 87/08.
Single page Atlas Copco brochure entitled "Attachment for CONJET-SCARIFYING FEED" (9851 1519 01) bearing legend Printed in Sweden 87/08.
Single page Atlas Copco brochure entitled "Attachment for CONJET-ROTOR CLEANER" (19851 1551 01) bearing legend Printed in Sweden 87/08.
Davis Curtis R.
Midwest Hydro-Blasting, Inc.
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