Mobile grouting plant

Claim 1

IN A SELF-CONTAINED MOBILE GROUT PLANT COMPRISING: A LOAD CARRYING FRAME, A GROUT MIXING STATION ON SAID FRAME INCLUDING AN UPRIGHT SUBSTANTIALLY CYLINDRICAL MIXING CHAMBER WITH A CONICAL OUTLET AT ITS BOTTOM, A RECYCLE LINE LEADING FROM SAID OUTLET TO AN INLET NEAR THE TOP PORTION OF SAID CYLINDRICAL CHAMBER AND DIRECTED SLIGHTLY INWARDLY OF A TANGENTIAL LINE TO IMPART A SWIRLING CENTRIFUGAL MIXING OF FLUID MATERIALS CIRCULATED INTO SAID CYLINDRICAL MIXING CHAMBER, PUMP MEANS POSITIONED IN SAID RECYCLE LINE TO RECIRCULATED THE INGREDIENTS FROM THE OUTPUT OF THE MIXING TANK THROUGH THE RECYCLE LINE AND TO THE TOP PORTION OF THE CYLINDRICAL MIXING CHAMBER, ROUGH SCREENING MEANS MOUNTED IN THE MIXING CHAMBER TO INTERRUPT THE FLOW PATH OF THE SLURRY THEREIN SO THAT ON FORMATION OF A SLURRY THE SLURRY IS CIRCULATED RAPIDLY AROUND OVER THE UPPER SURFACE OF THE SCREEN IN A ROLLING MOTION DUE TO THE COMBINED EFFECTS OF CENTRIFUGAL FORCE AND FRICTIONAL DRAG TO THEREBY BREAK UP THE MATERIALS TO BE MIXED AS THEY ROLL AROUND ON THE SCREEN; A SLURRY HOLDING STATION ON SAID FRAME; SLURRY TRANSFER AND SCREENING STATIONS ON SAID FRAME CONNECTING SAID MIXING AND HOLDING STATIONS, AND A HIGH PRESSURE PUMPING STATION ON SAID FRAME INCLUDING A SUPPLY LINE ADAPTED TO DISCHARGE GROUT UNDER HIGH PRESSURE AND IN SLURRY FORM TO A WORK SITE.