Packing machines

Claim 1

A DEVICE FOR PACKING A PLURALITY OF ARTICLES INTO CARTONS, COMPRISING A ROTATABLE TURRET, A PLURALITY OF CELLS IN SAID TURRET, MEANS FOR SUCCESSIVELY INSERTING CARTON BLANKS DIRECTLY INTO SAID CELLS, ONE INTO EACH, THE SURFACE AREA OF EACH OF SAID CARTON BLANKS BEING GREATER THAN THE CROSS-SECTIONAL AREA OF ONE OF SAID CELLS WHEREBY EACH CARTON BLANK ON INSERTION IS BENT INTO U-SHAPE, MOVALBE MEANS FOR PRE-FOLDING OUTWARDLY END PORTIONS OF EACH CARTON BLANK AFTER ITS INSERTION INTO ONE OF THE CELLS TO WEAKEN AND THEREBY TO FACITITATE SUBDEQUENT INWARD FOLDING OF SAID END PORTIONS, MEANS FOR INTRODUCING ATRICLES INTO THE U-SHAPED CARTON BLANKS WHILE IN SAID CELLS, MEANS FOR INWARDLY FOLDING SAID END PORTIONS AFTER THE ARTICLES HAVE BEEN INTRODUCED, AND MEANS FOR EJECTING SAID U-SHPAED CARTON BLANKS TOGETHER WITH THE ARTICLES THEREIN FROM SAID CELLS, SAID INSERTING AND PREFOLDING MEANS COMPRISING A RECIPROCATABLE RAM MOVABLE INTO AND OUT OF THE CELLS FOR INSERTING CARTON BLANKS THEREIN, LEVERS RESPECTIVELY HAVING MAIN ARMS AND ARRANGED FOR BEING CARRIED ALONG WITH SAID RAM, ABUTMENTS ENGAGEABLE WITH SAID LEVERS WHEN SAID RAM APPROACHES ITS DEEPEST POSITION WITHIN A CELL TO PIVOT SAID LEVERS AND SPREAD SAID MAIN ARMS OF SAID LEVERS FROM ONE ANOTHER, AND RAIL-LIKE MEMBERS CARRIED BY SAID MAIN ARMS AND ARRANGED TO ENGAGE END PORTIONS OF THE CARTON BLANKS TO PRE-FOLD THE SAME OUTWARDLY ON SPREADING OF SAID MAIN ARMS OF SAID LEVERS.

Claim 2

A DEVICE FOR PACKING A PLURALITY OF ARTICLES INTO CARTONS, COMPRISING A ROTATABLE TURRET, A PLURALITY OF CELLS IN SAID TURRET, MEANS FOR SUCCESSIVELY INSERTING CARTON BLANKS DIRECTLY INTO SAID CELLS, ONE INTO EACH, THE SURFACE AREA OF EACH OF SAID CARTON BLANKS BEING GREATER THAN THE CROSS-SECTIONAL AREA OF ONE OF SAID CELLS WHEREBY EACH CARTON BLANK ON INSERTION IS BENT INTO U-SHAPE, MOVALBE MEANS FOR PRE-FOLDING OUTWARDLY END PORTIONS OF EACH CARTON BLANK AFTER ITS INSERTION INTO ONE OF THE CELLS TO WEAKEN AND THEREBY TO FACITITATE SUBDEQUENT INWARD FOLDING OF SAID END PORTIONS, MEANS FOR INTRODUCING ATRICLES INTO THE U-SHAPED CARTON BLANKS WHILE IN SAID CELLS, MEANS FOR INWARDLY FOLDING SAID END PORTIONS AFTER THE ARTICLES HAVE BEEN INTRODUCED, AND MEANS FOR EJECTING SAID U-SHPAED CARTON BLANKS TOGETHER WITH THE ARTICLES THEREIN FROM SAID CELLS, SAID INSERTING AND PREFOLDING MEANS COMPRISING A RECIPROCATABLE RAM MOVABLE INTO AND OUT OF THE CELLS FOR INSERTING CARTON BLANKS THEREIN, LEVERS RESPECTIVELY HAVING MAIN ARMS AND ARRANGED FOR BEING CARRIED ALONG WITH SAID RAM, ABUTMENTS ENGAGEABLE WITH SAID LEVERS WHEN SAID RAM APPROACHES ITS DEEPEST POSITION WITHIN A CELL TO PIVOT SAID LEVERS AND SPREAD SAID MAIN ARMS OF SAID LEVERS FROM ONE ANOTHER, AND RAIL-LIKE MEMBERS CARRIED BY SAID MAIN ARMS AND ARRANGED TO ENGAGE END PORTIONS OF THE CARTON BLANKS TO PRE-FOLD THE SAME OUTWARDLY ON SPREADING OF SAID MAIN ARMS OF SAID LEVERS.