Movable settling filter

Claim 1

IN A SETTING FILTERING PLANT SUPPORTED BY MOVABLE CARRIAGE HAVING A FIRST END AND AN OPPOSITELY LOCATED SECOND END, SAID ENDS RESPECTIVELY FACING IN THE DRIVING DIRECTION OF SAID CARRIAGE AND IN THE DIRECTION OPPOSITE THERETO; A FILTER CONTAINER MOUNTED ON SAID CARRIAGE AT SAID FIRST END, SAID SECOND END FORMING THE OPERATED SIDE FROM WHICH SAID PLANT IS TO BE OPERATED, SAID FILTER CONTAINER COMPRISING A PLURALITY OF FILTER ELEMENTS EACH FORMING A TUBULAR BODY HAVING A PERFORATED SIDE WALL AND BEING CLOSED AT THE BOTTOM, EACH FILTER ELEMENT ALSO COMPRISING AN ASCENDING PIPE ARRANGED WITHIN SAID TUBULAR BODY IN SPACED RELATIONSHIP TO SAID PERFORATED WALL SO AS TO DEFINE THEREWITH AN ANNULAR CHAMBER, SAID PIPE ALSO BEING ARRANGED IN SPACED RELATIONSHIP TO THE CLOSED BOTTOM OF THE RESPECTIVE TUBULAR BODY, SAID TUBULAR BODY BEING OPEN AT ITS ENDS, COVER MEANS CLOSING THE UPPER END OF THE ANNULAR CHAMBER BETWEEN SAID ASCENDING TUBE AND SAID PERFORATED WALL OF SAID TUBULAR BODY, TWO SEPARATE MIXING CONTAINERS MOUNTED ON SAID CARRIAGE AT SAID OPERATING SIDE, A TWO MIXING CONTAINERS BEING ARRNGED SIDE BY SIDE ON OPPOSITE SIDES OF A VERTICAL PLANE EXTENDING THROUGH SAID CARRIAGE IN THE DRIVING DIRECTION THEREOF, CONDUIT MEANS LEADING FROM SAID MIXING CONTAINERS TO SAID FILTER CONTAINER, PUMPING MEANS ASSOCIATED WITH SAID CONDUIT MEANS, INDICATING MEANS INTERPOSED IN SAID CONDUIT MEANS FOR INDICATING THE FLOW OF FLUID THERETHROUGH, AND CONTROL MEANS LIKEWISE INTERPOSED IN SAID CONDUIT MEANS AND OPERABLE RESPECTIVELY AND SELECTIVELY TO CONTROL COMMUNICATION BETWEEN SAID FILTER CONTAINER AND SAID MIXING CONTAINERS, SAID INDICATING MEANS AND SAID CONTROL MEANS BEING LOCATED AT THE ACCESSIBLE FROM SAID OPERATING SIDE.