Hydraulically moved control devices of the lower pressing plungers in moulds for tiles and the like objects in ceramic

Claim 1

A MOLDING PRESS FOR TILES AND SIMILAR ARTICLES COMPRISING, IN COMBINATION, SUPPORT MEANS; A MOLD FIXED TO SAID SUPPORT MEANS AND FORMED WITH AT LEAST ONE CAVITY; PRESS PLATEN MEANS IN SAID MOLD CAVITY FOR COMPRESSING MATERIAL THEREIN AND FOR EJECTING THE COMPRESSED MATERIAL THEREFROM; MOVING MEANS FOR MOVING SAID PRESS PLATEN MEANS FROM A REST POSITION IN ONE DIRECTION ALONG AN ACTIVE STROKE HAVING A COMPRESSION PORTION FOR COMPRESSING MATERIAL IN SAID MOLD CAVITY, AND AN EJECTION PORTION FOR EJECTING THE COMPRESSED MATERIAL FROM A CAVITY, SAID MOVING MEANS COMPRISING A FIRST STATIONARY CYLINDER MEANS HAVING A CLOSED END FACING AWAY FROM SAID PRESS PLATEN MEANS, A SECOND MOVABLE CYLINDER MEANS HAVING A CLOSED END FACING SAID PRESS PLATEN MEANS, ELONGATED PISTON MEANS HAVING OPPOSITE ENDS RESPECTIVELY LOCATED IN SAID FIRST AND SECOND CYLINDER MEANS, AND A PAIR OF CONDUIT MEANS RESPECTIVELY COMMUNICATING WITH SAID FIRST AND SECOND CYLINDER MEANS FOR FEEDING PRESSURE FLUID INTO AND OUT OF THE SPACE BETWEEN THE CLOSED ENDS OF THE FIRST AND SECOND CYLINDER MEANS AND SAID OPPOSITE ENDS OF SAID ELONGATED PISTON MEANS; CONNECTING MEANS CONNECTING SAID PRESS PLATEN TO SAID MOVABLE CYLINDER MEANS FOR MOVEMENT THEREWITH; FIRST STOP MEANS COOPERATING WITH SAID ELONGATED PISTON MEANS FOR LIMITING MOVEMENT OF THE LATTER DURING SAID ACTIVE STROKE RELATIVE TO SAID STATIONARY CYLINDER MEANS; AND SECOND STOP MEANS COOPERATING WITH SAID MOVABLE CYLINDER MEANS FOR LIMITING TOTAL MOVEMENT OF THE LATTER DURING SAID ACTIVE STROKE.