Automatic moulding machine for paper pulp articles

Claim 1

A MACHINE FOR AUTOMATICALLY AND REPEATEDLY MANUFACTURING A PLURALITY OF HOLLOW MOULDED OBJECTS FROM A SUSPENSION OF FIBROUS MATERIAL IN A LIQUID, SAID MACHINE COMPRISING: A PLURALITY OF OPENABLE AND CLOSALBE SIMILAR MOULD MEANS MOUNTED AND ARRANGED TO BE MOVED TO HAVE AFTER EACH OF INTERMITTENT ADVANCEMENTS THE POSITION OCCUPIED BY THE PRECEDING MOULD MEANS, EACH OF SAID PLURALITY OF MOULD MEANS HAVING AT LEAST ONE CAVITY AND PERVIOUS WALL MEANS FOR RETAINING A FIBROUS MATERIAL IN SAID CAVITY AND FOR A LIQUID TO PERMEATE FROM SAID VAVITY; INTERMITTENT DRIVE MEANS OPERABLY CONNECTED WITH SAID PLURALITY OF MOULD MEANS AND MADE FOR EACH OPERATION TO STEP ADVANCE EACH MOULD MEANS INTO PAUSE IN THE POSITION OCCUPIED BY THE PRECEDING MULD MEANS DURING THE PREVIOUS PAUSE IN THE ADVANCE OF SAID PLURALITY OF MOULD MEANS; AND A PLURALITY OF UNITS EACH INCLUDING FIRST, SECOND AND THIRD WORK STATIONS DISPOSED AND ARRANGED TO COOPERATE RESPECTIVELY WITH FIRST, SECOND AND THIRD SAID MOULD MEANS DURING EACH PAUSE INTHE ADVANCE OF SAID PLURALITY OF MOULD MEANS AND CARRY OUT SIMULTANEOUSLY SEPARATE OPERATIONS, SAID FIRST WORK STATION HAVING AUTOMATIC INJECTION, PREFORMING AND DOSING MEANS TO INJECT A DOSE OF SUSPENSION INTO THE CAVITY OF SAID FIRST MOULD MEANS, TO PREFORM AN OBJECT THEREIN BY DEPOSITING THE WET FIBROUS MATERIAL OF THE SUSPENSION ON THE PERVIOUS WALL MEANS OF SAID FIRST MOULD MEANS, AND TO MEASURE OUT A DOSE OF SUSPENSION FOR INJECTION INTO THE MOULD MEANS NEXT TO BE MOVED OPPOSITE SAID FIRST WORK STATIONBY SAID INTERMITTENT DRIVE MEANS, SAID SECOND WORK STATION HAVING AUTOMATIC INFLATABLE COMPRESSING MEANS ARRANGED TO EXTEND RETRACTBLY INTO THE CAVITY OF SAID SECOND MOULD MEANS AND