Packaging machines

Claim 1

A PACKAGING MACHINE FOR ARTICLES OF SUBSTANTIALLY PARALLELEPIPED, CUBICAL, OR AVOID SHAPE, COMPRISING A FIRST ENDLESS CONVEYOR ADAPTED TO MOVE ARTICLES IN SUCCESSION AND IN SPACED RELATION, WRAPPER FOLDING MEANS, A SECOND ENDLESS CONVEYOR OPERABLE TO MOVE ARTICLES WITH WRAPPERS PARTLY APPLIED THERETO RELATIVE TO SAID WRAPPER FOLDING MEANS, A PLURALITY OF PAIRS OF FOLDING JAWS MOVABLE WITH THE SECOND CONVEYOR AND SPACED APART LENGTHWISE THEREOF, THE JAWS OF EACH PAIR BEING SPACED APART LENGTHWISE OF THE SECOND CONVEYOR AND EXTENDING THEREFROM IN A DIRECTION TRANSVERSE TO THE DIRECTION OF MOVEMENT OF THE CONVEYOR, A ROTATABLE DRUM INTERPOSED BETWEEN SAID FIRST AND SECOND CONVEYORS AND INCLUDING AT LEAST ONE POCKET ADAPTED TO MOVE AN ARTICLE FROM THE FIRST CONVEYOR TO A POSITION AT WHICH IT IS TRANSFERRED TO THE SECOND CONVEYOR, A SUCTION DEVICE CO-OPERATING WITH SAID POCKET AND OPERABLE TO POSITION A WRAPPER RELATIVE TO AN ARTICLE LOCATED IN THE POCKET FOR TRANSFER WITH THE ARTICLE TO A PAIR OF JAWS CARRIED BY THE SECOND CONVEYOR, AND A PLUNGER MOVABLE WITH AND RELATIVE TO SAID DRUM AND OPERABLE TO TRANSFER AN ARTICLE AND WRAPPER FROM SAID POCKET INTO AND BETWEEN A PAIR OF SAID JAWS FOR MOVEMENT THEREWITH AND FOR FOLDING OF THE WRAPPER THEREBY INTO U-FORM ABOUT THE ARTICLE PREPARATORY TO FURTHER FOLDING OF THE WRAPPER ABOUT THE ARTICLE BY SAID WRAPPER FOLDING MEANS.