Cup-making machine

Claim 1

A CUP-MAKING APPARATUS COMPRISING A ROTOR SUPPORTED FOR ROTATION ABOUT A VERTICAL AXIS, AT LEAST ONE MANDREL CARRIED BY SAID ROTOR AND EXTENDING RADIALLY FROM SAID ROTOR, MEANS FOR IMPARTING ROTATION TO SAID ROTOR TO CARRY THE MANDREL THROUGH A PLURALITY OF STATIONS, MEANS FEEDING A BLANK TO A MANDREL AT ONE STATION, MEANS AT A STATION FOR WRAPPING SAID BLANK AROUND SAID MANDREL, MEANS AT A STATION FOR HEAT SEALING SAID BLANK IN TUBULAR FORM, MEANS AT A STATION FOR REMOVING THE SEALED TUBE FROM THE MANDREL, SAID MANDREL AND THE TUBE FORMED THEREON BEING TAPERED AND INCLUDING A TURNTABLE IN PROXIMITY TO THE PATH OF TRAVEL OF SAID MANDREL, AT LEAST ONE RECEPTACLE CARRIED BY SAID TURNTABLE, MEANS FOR IMPARTING ROTATION TO SAID TURNTABLE TO CARRY THE RECEPTACLE THROUGH A PLURALITY OF STATIONS, MEANS FOR TRANSFERRING THE SEALED TUBE FROM THE MANDREL TO THE RECEPTACLE, SAID RECEPTACLE BEING TAPERED SO AS TO SUPPORT THE TUBE WITH THE UPPER AND LOWER ENDS OF THE TUBE EXPOSED, MEANS FOR DELIVERING A BOTTOM TO THE TUBE WITHIN THE RECEPTACLE AT ONE STATION, SAID BOTTOM HAVING A DOWNWARDLY DEPENDENTING OUTER SKIRT, A HEATED RING MOVABLE INTO AN OPERATIVE POSITION SURROUNDING THE LOWER EDGE OF THE TUBE, AND A ROTATABLE TOOL MOVABLE INTO POSITION WITHIN THE LOWER END OF THE TUBE, SAID ROTATABLE MEANS INCLUDING MEANS FOR TURNING UP THE LOWER EDGE OF THE TUBE INSIDE THE DEPENDING SKIRT OF THE CUP BOTTOM AND MEANS URGING THE TURNED-UP EDGE OUTWARDLY TOWARD THE HEATED RING.