Apparatus for producing fiber reinforced cementitious structure

Claim 1

IN AN APPARATUS FOR PRODUCING FIBER-REINFORCED CEMENTITIOUS STRUCTURES, IN COMBINATION, A CONTAINER; MEANS ADJACENT SAID CONTAINER FOR INTRODUCING A STREAM OF A VISCOUS MIXTURE OF CEMENTITIOUS MATERIAL AND OF ELONGATED PARTICLES OF FIBROUS MATERIAL INTO SAID CONTAINER SO AS TO FORM THEREIN A BODY OF SAID MIXTURE HAVING PARTICLES OF SAID FIBROUS MATERIAL PREFERENTIALLY ALIGNED IN THE DIRECTION OF MOVEMENT OF SAID STREAM; BAFFLE MEANS RECIPROCABLY MOVABLE RELATIVE TO SAID CONTAINER BETWEEN TWO ANGULAR POSITIONS THEREOF FOR CHANGING THE DIRECTION OF MOVEMENT OF SAID STREAM AT PREDETERMINED INTERVALS, SAID STREAM MOVING IN A FIRST DIRECTION WHEN SAID BAFFLE MEANS IS IN ONE OF SAID POSITIONS THEREOF, AND SAID STREAM MOVING IN A SECOND DIRECTION TRANSVERSE OF SAID FIRST DIRECTION, WHEN SAID BAFFLE MEANS IS IN THE OTHER ONE OF SAID POSITIONS THEREOF; A ROTATABLE SHEET-FORMING CYLINDER MOUNTED A PREDETERMINED DISTANCE FROM SAID CONTAINER; MEANS FOR WITHDRAWING A CONTINUOUS ELONGATED LAYER OF SAID MIXTURE FROM SAID BODY THEREOF IN SAID CONTAINER, SAID LAYER HAVING A PLURALITY OF LONGITUDINALLY CONSECUTIVE PORTIONS WITHDRAWN FROM SAID BODY DURING RESPECTIVE ONES OF SAID INTERVALS, AND FOR DEPOSITING SAID PORTIONS ON SAID CYLINDER; AND MEANS FOR ACTUATING MOVEMENT OF SAID DIRECTIONCHANGING MEANS AND ROTATION OF SAID CYLINDER IN SUCH A MANNER AS TO SUPERIMPOSE CONTIGUOUSLY CONSECUTIVE ONES OF SAID PORTIONS ON SAID CYLINDER.