Machines for forming cartons

Claim 1

A MACHINE FOR FORMING CARTONS COMPRISING A TABLE ROTATABLY MOUNTED ABOUT A VERTICAL AXIS, A PLURALITY OF BODY FORMERS SUSPENDED FROM THE UNDERSIDE OF SAID TABLE IN SPACED RELATION ABOUT SAID TABLE, EACH OF SAID BODY FORMERS COMPRISING A MANDREL HAVING RADIUSED CORNERS AND A DIE MEMBER ASSOCIATED THEREWITH, A FIRST CLAMPING MEANS FOR EACH OF SAID BODY FORMERS TO HOLD AND FOLD A FLAT, HEAT-SEALABLE BLANK ABOUT THE ASSOCIATED BODY FORMER, MEANS FOR MOUNTING ONE OF SAID CLAMPS PIVOTALLY ON A HORIZONTAL AXIS ABOVE SAID TABLE AT THE FRONT OF SAID BODY FORMER WHEREBY SAID ONE CLAMP HOLDS AND POSITIONS A BLANK FOR FOLDING ABOUT SAID BODY FORMER, MEANS FOR MOUNTING ANOTHER OF SAID CLAMPS AT THE SIDE OF SAID BODY FORMER ABOUT A VERTICAL AXIS RELATIVE TO SAID TABLE FOR MOVING SAID OTHER CLAMP TO FOLD THE BLANK ALONG A LONGITUDINAL EDGE, A STATIONARY PRESSURE MEMBER CARRIED BY SAID TABLE WHICH COACTS WITH THE SIDE OF EACH BODY FORMER BEARING AGAINST THE PRESSURE MEMBER AND THE INNER OVERLAPPING LONGITUDINAL SEAM OF SAID BLANK AND SAID OTHER CLAMP TO SEAL SAID BLANK, WHEREAFTER SAID DIE MEMBER PERMANENTLY SETS THE TUBE FORMED FROM SAID BLANK AT ITS RADIUSED CORNERS, BLANK FEEDING MEANS FOR THE TUBULAR BODY BLANK AND BLANK FEEDING MEANS FOR THE TOP CLOSURE, TABLE ROTATING MEANS FOR MOVING SAID TABLE AT A CONSTANT RATE OF SPEED WHICH IS SYNCHRONIZED WITH SAID BLANK FEEDING MEANS FOR SUCCESSIVE FORMATION OF TUBULAR, PERMANENTLY SET BODY BLANKS ON SAID BODY FORMERS AT A CONTINUOUS RATE, MEANS ON SAID TABLE TO AUTOMATICALLY FORM, SEAL AND CAP THE TUBULAR BODY IN THE BODYFORMED POSITION, AND MEANS FOR REMOVING THE CAPPED AND FORMED CONTAINER FROM THE MANDREL.